diff --git a/google-cloud-spanner/src/main/resources/com/google/cloud/spanner/connection/PG_ClientSideStatements.json b/google-cloud-spanner/src/main/resources/com/google/cloud/spanner/connection/PG_ClientSideStatements.json
index aad7e93d4b..01f55f846e 100644
--- a/google-cloud-spanner/src/main/resources/com/google/cloud/spanner/connection/PG_ClientSideStatements.json
+++ b/google-cloud-spanner/src/main/resources/com/google/cloud/spanner/connection/PG_ClientSideStatements.json
@@ -224,13 +224,16 @@
       "examplePrerequisiteStatements": ["begin transaction"]
     },
     {
-      "name": "ROLLBACK [TRANSACTION | WORK] [AND NO CHAIN]",
+      "name": "{ROLLBACK | ABORT} [TRANSACTION | WORK] [AND NO CHAIN]",
       "executorName": "ClientSideStatementNoParamExecutor",
       "resultType": "NO_RESULT",
       "statementType": "ROLLBACK",
-      "regex": "(?is)\\A\\s*(?:rollback)(?:\\s+transaction|\\s+work)?(?:\\s+and\\s+no\\s+chain)?\\s*\\z",
+      "regex": "(?is)\\A\\s*(?:rollback|abort)(?:\\s+transaction|\\s+work)?(?:\\s+and\\s+no\\s+chain)?\\s*\\z",
       "method": "statementRollback",
-      "exampleStatements": ["rollback", "rollback transaction", "rollback work", "rollback and no chain", "rollback transaction and no chain", "rollback work and no chain"],
+      "exampleStatements": [
+        "rollback", "rollback transaction", "rollback work", "rollback and no chain", "rollback transaction and no chain", "rollback work and no chain",
+        "abort", "abort transaction", "abort work", "abort and no chain", "abort transaction and no chain", "abort work and no chain"
+      ],
       "examplePrerequisiteStatements": ["begin transaction"]
     },
     {
diff --git a/google-cloud-spanner/src/test/java/com/google/cloud/spanner/connection/ClientSideStatementsTest.java b/google-cloud-spanner/src/test/java/com/google/cloud/spanner/connection/ClientSideStatementsTest.java
index c0ca4f96c9..0fc6a82260 100644
--- a/google-cloud-spanner/src/test/java/com/google/cloud/spanner/connection/ClientSideStatementsTest.java
+++ b/google-cloud-spanner/src/test/java/com/google/cloud/spanner/connection/ClientSideStatementsTest.java
@@ -78,6 +78,22 @@ public void testClientSideStatementType() {
     assertEquals(
         ClientSideStatementType.ROLLBACK,
         parser.parse(Statement.of("ROLLBACK TRANSACTION")).getClientSideStatementType());
+    if (dialect == Dialect.POSTGRESQL) {
+      assertEquals(
+          ClientSideStatementType.ROLLBACK,
+          parser.parse(Statement.of("ABORT")).getClientSideStatementType());
+      assertEquals(
+          ClientSideStatementType.ROLLBACK,
+          parser.parse(Statement.of("ABORT TRANSACTION")).getClientSideStatementType());
+      assertEquals(
+          ClientSideStatementType.ROLLBACK,
+          parser.parse(Statement.of("ABORT WORK")).getClientSideStatementType());
+      assertEquals(
+          ClientSideStatementType.ROLLBACK,
+          parser
+              .parse(Statement.of("ABORT TRANSACTION and no chain"))
+              .getClientSideStatementType());
+    }
 
     for (ClientSideStatementImpl statement : parser.getClientSideStatements()) {
       assertNotNull(
diff --git a/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/ClientSideStatementsTest.sql b/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/ClientSideStatementsTest.sql
index 914244a02a..4a10fe34e5 100644
--- a/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/ClientSideStatementsTest.sql
+++ b/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/ClientSideStatementsTest.sql
@@ -3591,205 +3591,6 @@ NEW_CONNECTION;
 @EXPECT EXCEPTION UNIMPLEMENTED
 show variable/-savepoint_support;
 NEW_CONNECTION;
-show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-SHOW VARIABLE DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE;
-NEW_CONNECTION;
-show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-   show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-			show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-
-
-
-show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show variable delay_transaction_start_until_first_write  ;
-NEW_CONNECTION;
-show variable delay_transaction_start_until_first_write		;
-NEW_CONNECTION;
-show variable delay_transaction_start_until_first_write
-
-;
-NEW_CONNECTION;
-show   variable   delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show	variable	delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show
-variable
-delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable%delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable_delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable&delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable$delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable@delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable!delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable*delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable(delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write);
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable)delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable-delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable+delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable-#delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable/delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable\delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable?delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable-/delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable/#delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-show variable delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable delay_transaction_start_until_first_write/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable/-delay_transaction_start_until_first_write;
-NEW_CONNECTION;
 begin;
 NEW_CONNECTION;
 BEGIN;
@@ -17301,403 +17102,3 @@ set savepoint_support='DISABLED'/-;
 NEW_CONNECTION;
 @EXPECT EXCEPTION INVALID_ARGUMENT
 set/-savepoint_support='DISABLED';
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-SET DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE = TRUE;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-   set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-			set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-
-
-
-set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = true  ;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = true		;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = true
-
-;
-NEW_CONNECTION;
-set   delay_transaction_start_until_first_write   =   true;
-NEW_CONNECTION;
-set	delay_transaction_start_until_first_write	=	true;
-NEW_CONNECTION;
-set
-delay_transaction_start_until_first_write
-=
-true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =%true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =_true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =&true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =$true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =@true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =!true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =*true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =(true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true);
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =)true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =-true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =+true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =-#true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =/true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =\true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =?true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =-/true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =/#true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-set delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = true/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =/-true;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-SET DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE = FALSE;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-   set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-			set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-
-
-
-set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = false  ;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = false		;
-NEW_CONNECTION;
-set delay_transaction_start_until_first_write = false
-
-;
-NEW_CONNECTION;
-set   delay_transaction_start_until_first_write   =   false;
-NEW_CONNECTION;
-set	delay_transaction_start_until_first_write	=	false;
-NEW_CONNECTION;
-set
-delay_transaction_start_until_first_write
-=
-false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =%false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =_false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =&false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =$false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =@false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =!false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =*false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =(false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false);
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =)false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =-false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =+false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =-#false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =/false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =\false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =?false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =-/false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =/#false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-set delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write = false/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set delay_transaction_start_until_first_write =/-false;
diff --git a/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/ConnectionImplGeneratedSqlScriptTest.sql b/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/ConnectionImplGeneratedSqlScriptTest.sql
index d1e7971876..db44cd1b8c 100644
--- a/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/ConnectionImplGeneratedSqlScriptTest.sql
+++ b/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/ConnectionImplGeneratedSqlScriptTest.sql
@@ -162,15 +162,15 @@ NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SET READ_ONLY_STALENESS='MAX_STALENESS 10s';
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:29.560000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:29.560000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:18.835000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:18.835000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SET READ_ONLY_STALENESS='MAX_STALENESS 10s';
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:29.560000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:29.560000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:18.835000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:18.835000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
@@ -577,8 +577,8 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 COMMIT;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:29.894000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:29.894000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:19.179000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:19.179000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
@@ -586,8 +586,8 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 COMMIT;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:29.894000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:29.894000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:19.179000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:19.179000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
@@ -970,15 +970,15 @@ NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.153000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.153000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:19.454000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:19.454000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.153000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:19.454000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
@@ -1316,15 +1316,15 @@ NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.478000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.478000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:19.646000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:19.646000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.478000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:30.478000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:19.646000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:19.646000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
@@ -1671,15 +1671,15 @@ NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.715000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.715000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:19.930000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:19.930000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.715000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:30.715000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:19.930000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:19.930000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
@@ -1996,14 +1996,14 @@ SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.919000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.919000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.158000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.158000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.919000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:30.919000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.158000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:20.158000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
@@ -2325,15 +2325,15 @@ NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 COMMIT;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.177000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.177000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.345000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.345000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.177000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.345000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -2675,15 +2675,15 @@ NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 SET READ_ONLY_STALENESS='EXACT_STALENESS 10s';
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.320000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.320000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.534000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.534000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 SET READ_ONLY_STALENESS='EXACT_STALENESS 10s';
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.320000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.534000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -3115,8 +3115,8 @@ BEGIN TRANSACTION;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 ROLLBACK;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.518000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.518000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.720000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.720000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
@@ -3126,7 +3126,7 @@ BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 ROLLBACK;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.518000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.720000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -3627,8 +3627,8 @@ BEGIN TRANSACTION;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 COMMIT;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.731000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.731000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.919000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.919000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
@@ -3638,7 +3638,7 @@ BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.731000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.919000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -4041,15 +4041,15 @@ NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 BEGIN TRANSACTION;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.934000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.934000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.116000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.116000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 BEGIN TRANSACTION;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.934000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.116000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -4408,14 +4408,14 @@ SET AUTOCOMMIT=FALSE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.068000000Z';
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.236000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.068000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.236000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -4765,13 +4765,13 @@ SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.244000000Z';
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.376000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.244000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.376000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -5075,14 +5075,14 @@ SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.446000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:32.446000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.507000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.507000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.446000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.507000000Z';
 NEW_CONNECTION;
 SET READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -5394,13 +5394,13 @@ SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 START BATCH DDL;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.544000000Z';
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.594000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 START BATCH DDL;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.544000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.594000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
@@ -5755,8 +5755,8 @@ SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 SET TRANSACTION READ ONLY;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.627000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:32.627000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.672000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.672000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -5764,7 +5764,7 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 SET TRANSACTION READ ONLY;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.627000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.672000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
@@ -6199,8 +6199,8 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 UPDATE foo SET bar=1;
 COMMIT;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.790000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:32.790000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.849000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.849000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -6208,8 +6208,8 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 UPDATE foo SET bar=1;
 COMMIT;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.790000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:32.790000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.849000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:21.849000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -6595,15 +6595,15 @@ NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.947000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:32.947000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.039000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.039000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.947000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.039000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
@@ -6954,15 +6954,15 @@ NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.048000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.048000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.160000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.160000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.048000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.048000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.160000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.160000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -7322,15 +7322,15 @@ NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 UPDATE foo SET bar=1;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.176000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.176000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.296000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.296000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 UPDATE foo SET bar=1;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.176000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.176000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.296000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.296000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -7720,16 +7720,16 @@ SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.309000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.309000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.426000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.426000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.309000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.309000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.426000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.426000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -8112,15 +8112,15 @@ NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.438000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.438000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.537000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.537000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.438000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.438000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.537000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.537000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -8450,14 +8450,14 @@ SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.553000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.553000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.648000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.648000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.553000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.553000000Z'
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.648000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.648000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -8788,15 +8788,15 @@ NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 COMMIT;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.647000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.647000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.731000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.731000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.647000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.731000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -9206,8 +9206,8 @@ SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
 RUN BATCH;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.744000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.744000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.827000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.827000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -9216,7 +9216,7 @@ START BATCH DDL;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
 RUN BATCH;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.744000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.827000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -9625,14 +9625,14 @@ SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.867000000Z';
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.946000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.867000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.946000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -9982,13 +9982,13 @@ SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.965000000Z';
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.044000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.965000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.044000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -10422,8 +10422,8 @@ SET TRANSACTION READ ONLY;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 COMMIT;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.057000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.057000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.140000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.140000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -10433,7 +10433,7 @@ SET TRANSACTION READ ONLY;
 SELECT 1 AS TEST;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.057000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.140000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -10833,15 +10833,15 @@ NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SET TRANSACTION READ ONLY;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.162000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.162000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.244000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.244000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SET TRANSACTION READ ONLY;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.162000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.244000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -11187,15 +11187,15 @@ NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SET READ_ONLY_STALENESS='EXACT_STALENESS 10s';
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.240000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.240000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.326000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.326000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SET READ_ONLY_STALENESS='EXACT_STALENESS 10s';
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.240000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.326000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -11635,8 +11635,8 @@ BEGIN TRANSACTION;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 ROLLBACK;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.340000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.340000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.433000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.433000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -11646,7 +11646,7 @@ BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 ROLLBACK;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.340000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.433000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -12155,8 +12155,8 @@ BEGIN TRANSACTION;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 COMMIT;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.486000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.486000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.604000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.604000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
@@ -12166,7 +12166,7 @@ BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.486000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.604000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -12571,15 +12571,15 @@ NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 BEGIN TRANSACTION;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.618000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.618000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.755000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.755000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 BEGIN TRANSACTION;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.618000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.755000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -12942,14 +12942,14 @@ SET AUTOCOMMIT=FALSE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.727000000Z';
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.849000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.727000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.849000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -13304,13 +13304,13 @@ SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.887000000Z';
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.965000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.887000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.965000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -13624,14 +13624,14 @@ SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
-SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:35.036000000Z';
-@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:35.036000000Z'
+SET READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:24.080000000Z';
+@EXPECT RESULT_SET 'READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:24.080000000Z'
 SHOW VARIABLE READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:35.036000000Z';
+SET READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:24.080000000Z';
 NEW_CONNECTION;
 SET READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
diff --git a/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/postgresql/ClientSideStatementsTest.sql b/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/postgresql/ClientSideStatementsTest.sql
index bb109c3feb..d2201dff1e 100644
--- a/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/postgresql/ClientSideStatementsTest.sql
+++ b/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/postgresql/ClientSideStatementsTest.sql
@@ -7167,403 +7167,6 @@ NEW_CONNECTION;
 @EXPECT EXCEPTION UNIMPLEMENTED
 show variable/-spanner.savepoint_support;
 NEW_CONNECTION;
-show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-SHOW SPANNER.DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE;
-NEW_CONNECTION;
-show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-   show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-			show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-
-
-
-show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show spanner.delay_transaction_start_until_first_write  ;
-NEW_CONNECTION;
-show spanner.delay_transaction_start_until_first_write		;
-NEW_CONNECTION;
-show spanner.delay_transaction_start_until_first_write
-
-;
-NEW_CONNECTION;
-show   spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show	spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show
-spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show%spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show_spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show&spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show$spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show@spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show!spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show*spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show(spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write);
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show)spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show-spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show+spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show-#spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show/spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show\spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show?spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show-/spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show/#spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-show spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show spanner.delay_transaction_start_until_first_write/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-show/-spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-SHOW VARIABLE SPANNER.DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE;
-NEW_CONNECTION;
-show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-   show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-			show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-
-
-
-show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show variable spanner.delay_transaction_start_until_first_write  ;
-NEW_CONNECTION;
-show variable spanner.delay_transaction_start_until_first_write		;
-NEW_CONNECTION;
-show variable spanner.delay_transaction_start_until_first_write
-
-;
-NEW_CONNECTION;
-show   variable   spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show	variable	spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-show
-variable
-spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable%spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable_spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable&spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable$spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable@spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable!spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable*spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable(spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write);
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable)spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable-spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable+spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable-#spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable/spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable\spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable?spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable-/spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable/#spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-show variable spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable spanner.delay_transaction_start_until_first_write/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION UNIMPLEMENTED
-show variable/-spanner.delay_transaction_start_until_first_write;
-NEW_CONNECTION;
 show transaction isolation level;
 NEW_CONNECTION;
 SHOW TRANSACTION ISOLATION LEVEL;
@@ -69321,803 +68924,3 @@ set spanner.savepoint_support to 'DISABLED'/-;
 NEW_CONNECTION;
 @EXPECT EXCEPTION INVALID_ARGUMENT
 set spanner.savepoint_support to/-'DISABLED';
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-SET SPANNER.DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE = TRUE;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-   set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-			set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-
-
-
-set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = true  ;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = true		;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = true
-
-;
-NEW_CONNECTION;
-set   spanner.delay_transaction_start_until_first_write   =   true;
-NEW_CONNECTION;
-set	spanner.delay_transaction_start_until_first_write	=	true;
-NEW_CONNECTION;
-set
-spanner.delay_transaction_start_until_first_write
-=
-true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =%true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =_true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =&true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =$true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =@true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =!true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =*true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =(true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true);
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =)true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =-true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =+true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =-#true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =/true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =\true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =?true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =-/true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =/#true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-set spanner.delay_transaction_start_until_first_write = true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = true/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =/-true;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-SET SPANNER.DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE = FALSE;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-   set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-			set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-
-
-
-set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = false  ;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = false		;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write = false
-
-;
-NEW_CONNECTION;
-set   spanner.delay_transaction_start_until_first_write   =   false;
-NEW_CONNECTION;
-set	spanner.delay_transaction_start_until_first_write	=	false;
-NEW_CONNECTION;
-set
-spanner.delay_transaction_start_until_first_write
-=
-false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =%false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =_false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =&false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =$false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =@false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =!false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =*false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =(false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false);
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =)false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =-false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =+false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =-#false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =/false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =\false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =?false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =-/false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =/#false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-set spanner.delay_transaction_start_until_first_write = false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write = false/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write =/-false;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-SET SPANNER.DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE TO TRUE;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-   set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-			set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-
-
-
-set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to true  ;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to true		;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to true
-
-;
-NEW_CONNECTION;
-set   spanner.delay_transaction_start_until_first_write   to   true;
-NEW_CONNECTION;
-set	spanner.delay_transaction_start_until_first_write	to	true;
-NEW_CONNECTION;
-set
-spanner.delay_transaction_start_until_first_write
-to
-true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to%true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to_true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to&true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to$true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to@true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to!true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to*true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to(true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true);
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to)true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to-true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to+true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to-#true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to/true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to\true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to?true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to-/true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to/#true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-set spanner.delay_transaction_start_until_first_write to true;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to true/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to/-true;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-SET SPANNER.DELAY_TRANSACTION_START_UNTIL_FIRST_WRITE TO FALSE;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-   set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-			set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-
-
-
-set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to false  ;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to false		;
-NEW_CONNECTION;
-set spanner.delay_transaction_start_until_first_write to false
-
-;
-NEW_CONNECTION;
-set   spanner.delay_transaction_start_until_first_write   to   false;
-NEW_CONNECTION;
-set	spanner.delay_transaction_start_until_first_write	to	false;
-NEW_CONNECTION;
-set
-spanner.delay_transaction_start_until_first_write
-to
-false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-foo set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false bar;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-%set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false%;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to%false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-_set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false_;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to_false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-&set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false&;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to&false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-$set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false$;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to$false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-@set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false@;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to@false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-!set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false!;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to!false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-*set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false*;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to*false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-(set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false(;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to(false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-)set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false);
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to)false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to-false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-+set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false+;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to+false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--#set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false-#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to-#false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to/false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-\set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false\;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to\false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-?set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false?;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to?false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
--/set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false-/;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to-/false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/#set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false/#;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to/#false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-/-set spanner.delay_transaction_start_until_first_write to false;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to false/-;
-NEW_CONNECTION;
-@EXPECT EXCEPTION INVALID_ARGUMENT
-set spanner.delay_transaction_start_until_first_write to/-false;
diff --git a/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/postgresql/ConnectionImplGeneratedSqlScriptTest.sql b/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/postgresql/ConnectionImplGeneratedSqlScriptTest.sql
index 195f61d694..09e88db7ae 100644
--- a/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/postgresql/ConnectionImplGeneratedSqlScriptTest.sql
+++ b/google-cloud-spanner/src/test/resources/com/google/cloud/spanner/connection/postgresql/ConnectionImplGeneratedSqlScriptTest.sql
@@ -162,15 +162,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SET SPANNER.READ_ONLY_STALENESS='MAX_STALENESS 10s';
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:29.726000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:29.726000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:19.019000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:19.019000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SET SPANNER.READ_ONLY_STALENESS='MAX_STALENESS 10s';
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:29.726000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:29.726000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:19.019000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:19.019000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
@@ -577,8 +577,8 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.037000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.037000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:19.308000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:19.308000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
@@ -586,8 +586,8 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.037000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:30.037000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:19.308000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:19.308000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
@@ -970,15 +970,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.249000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.249000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:19.540000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:19.540000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.249000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:19.540000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
@@ -1316,15 +1316,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.599000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.599000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:19.792000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:19.792000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.599000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:30.599000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:19.792000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:19.792000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
@@ -1671,15 +1671,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.820000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.820000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.042000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.042000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.820000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:30.820000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.042000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:20.042000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
@@ -1996,14 +1996,14 @@ SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:30.997000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:30.997000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.251000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.251000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=TRUE;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:30.997000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:30.997000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.251000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:20.251000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
@@ -2325,15 +2325,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.248000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.248000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.438000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.438000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.248000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.438000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -2675,15 +2675,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 SET SPANNER.READ_ONLY_STALENESS='EXACT_STALENESS 10s';
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.427000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.427000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.632000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.632000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 SET SPANNER.READ_ONLY_STALENESS='EXACT_STALENESS 10s';
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.427000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.632000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -3115,8 +3115,8 @@ BEGIN TRANSACTION;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 ROLLBACK;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.627000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.627000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:20.826000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:20.826000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
@@ -3126,7 +3126,7 @@ BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 ROLLBACK;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.627000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:20.826000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -3627,8 +3627,8 @@ BEGIN TRANSACTION;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.840000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.840000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.025000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.025000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
@@ -3638,7 +3638,7 @@ BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.840000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.025000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -4041,15 +4041,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 BEGIN TRANSACTION;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:31.992000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:31.992000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.172000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.172000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 BEGIN TRANSACTION;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:31.992000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.172000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -4408,14 +4408,14 @@ SET AUTOCOMMIT=FALSE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.159000000Z';
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.311000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.159000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.311000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -4765,13 +4765,13 @@ SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.353000000Z';
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.448000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.353000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.448000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -5075,14 +5075,14 @@ SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.499000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:32.499000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.553000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.553000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.499000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.553000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=TRUE;
 SET AUTOCOMMIT=FALSE;
@@ -5394,13 +5394,13 @@ SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 START BATCH DDL;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.588000000Z';
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.633000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 START BATCH DDL;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.588000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.633000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
@@ -5755,8 +5755,8 @@ SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 SET TRANSACTION READ ONLY;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.667000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:32.667000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.711000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.711000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -5764,7 +5764,7 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 SET TRANSACTION READ ONLY;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.667000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.711000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
@@ -6199,8 +6199,8 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 UPDATE foo SET bar=1;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.881000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:32.881000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:21.954000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:21.954000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -6208,8 +6208,8 @@ SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 UPDATE foo SET bar=1;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.881000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:32.881000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:21.954000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:21.954000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -6595,15 +6595,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:32.992000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:32.992000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.094000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.094000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 BEGIN TRANSACTION;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:32.992000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.094000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
@@ -6954,15 +6954,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.117000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.117000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.229000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.229000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.117000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.117000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.229000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.229000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -7322,15 +7322,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 UPDATE foo SET bar=1;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.242000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.242000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.356000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.356000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 UPDATE foo SET bar=1;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.242000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.242000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.356000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.356000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -7720,16 +7720,16 @@ SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.379000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.379000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.483000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.483000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.379000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.379000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.483000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.483000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -8112,15 +8112,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.502000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.502000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.600000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.600000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
 SELECT 1 AS TEST;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.502000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.502000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.600000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.600000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -8450,14 +8450,14 @@ SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.602000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.602000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.688000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.688000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=TRUE;
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.602000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-05-22T15:54:33.602000000Z'
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.688000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','MIN_READ_TIMESTAMP 2023-06-02T14:28:22.688000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -8788,15 +8788,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.691000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.691000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.778000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.778000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.691000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.778000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -9206,8 +9206,8 @@ SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
 RUN BATCH;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.807000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:33.807000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.886000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:22.886000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -9216,7 +9216,7 @@ START BATCH DDL;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
 RUN BATCH;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.807000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.886000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -9625,14 +9625,14 @@ SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:33.914000000Z';
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:22.997000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 CREATE TABLE foo (id INT64 NOT NULL, name STRING(100)) PRIMARY KEY (id);
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:33.914000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:22.997000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -9982,13 +9982,13 @@ SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.010000000Z';
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.088000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 START BATCH DDL;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.010000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.088000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -10422,8 +10422,8 @@ SET TRANSACTION READ ONLY;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.115000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.115000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.196000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.196000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -10433,7 +10433,7 @@ SET TRANSACTION READ ONLY;
 SELECT 1 AS TEST;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.115000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.196000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -10833,15 +10833,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SET TRANSACTION READ ONLY;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.199000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.199000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.284000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.284000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SET TRANSACTION READ ONLY;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.199000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.284000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -11187,15 +11187,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SET SPANNER.READ_ONLY_STALENESS='EXACT_STALENESS 10s';
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.287000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.287000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.370000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.370000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SET SPANNER.READ_ONLY_STALENESS='EXACT_STALENESS 10s';
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.287000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.370000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -11635,8 +11635,8 @@ BEGIN TRANSACTION;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 ROLLBACK;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.411000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.411000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.515000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.515000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -11646,7 +11646,7 @@ BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 ROLLBACK;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.411000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.515000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -12155,8 +12155,8 @@ BEGIN TRANSACTION;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 COMMIT;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.554000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.554000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.687000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.687000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
@@ -12166,7 +12166,7 @@ BEGIN TRANSACTION;
 SELECT 1 AS TEST;
 COMMIT;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.554000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.687000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -12571,15 +12571,15 @@ NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 BEGIN TRANSACTION;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.666000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:34.666000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.800000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:23.800000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 BEGIN TRANSACTION;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.666000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.800000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -12942,14 +12942,14 @@ SET AUTOCOMMIT=FALSE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.802000000Z';
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:23.909000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 @EXPECT RESULT_SET 'TEST',1
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.802000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:23.909000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -13304,13 +13304,13 @@ SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:34.967000000Z';
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:24.028000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 SELECT 1 AS TEST;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:34.967000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:24.028000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
@@ -13624,14 +13624,14 @@ SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
-SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-05-22T15:54:35.088000000Z';
-@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-05-22T15:54:35.088000000Z'
+SET SPANNER.READ_ONLY_STALENESS='READ_TIMESTAMP 2023-06-02T14:28:24.119000000Z';
+@EXPECT RESULT_SET 'SPANNER.READ_ONLY_STALENESS','READ_TIMESTAMP 2023-06-02T14:28:24.119000000Z'
 SHOW VARIABLE SPANNER.READ_ONLY_STALENESS;
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;
 @EXPECT EXCEPTION FAILED_PRECONDITION
-SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-05-22T15:54:35.088000000Z';
+SET SPANNER.READ_ONLY_STALENESS='MIN_READ_TIMESTAMP 2023-06-02T14:28:24.119000000Z';
 NEW_CONNECTION;
 SET SPANNER.READONLY=FALSE;
 SET AUTOCOMMIT=FALSE;