/
StatementParserTest.java
1363 lines (1257 loc) · 56.6 KB
/
StatementParserTest.java
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/*
* Copyright 2019 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.cloud.spanner.connection;
import static com.google.common.truth.Truth.assertThat;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.junit.Assume.assumeTrue;
import com.google.cloud.spanner.Dialect;
import com.google.cloud.spanner.ErrorCode;
import com.google.cloud.spanner.SpannerException;
import com.google.cloud.spanner.Statement;
import com.google.cloud.spanner.connection.AbstractStatementParser.ParsedStatement;
import com.google.cloud.spanner.connection.AbstractStatementParser.StatementType;
import com.google.cloud.spanner.connection.ClientSideStatementImpl.CompileException;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.truth.Truth;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
@RunWith(Parameterized.class)
public class StatementParserTest {
public static final String COPYRIGHT_PATTERN =
"\\/\\*\n"
+ " \\* Copyright \\d{4} Google LLC\n"
+ " \\*\n"
+ " \\* Licensed under the Apache License, Version 2.0 \\(the \"License\"\\);\n"
+ " \\* you may not use this file except in compliance with the License.\n"
+ " \\* You may obtain a copy of the License at\n"
+ " \\*\n"
+ " \\* http://www.apache.org/licenses/LICENSE-2.0\n"
+ " \\*\n"
+ " \\* Unless required by applicable law or agreed to in writing, software\n"
+ " \\* distributed under the License is distributed on an \"AS IS\" BASIS,\n"
+ " \\* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n"
+ " \\* See the License for the specific language governing permissions and\n"
+ " \\* limitations under the License.\n"
+ " \\*\\/\n";
private static final Pattern EXPECT_PATTERN = Pattern.compile("(?is)\\s*(?:@EXPECT)\\s+'(.*)'");
@Parameter public Dialect dialect;
@Parameters(name = "dialect = {0}")
public static Object[] data() {
return Dialect.values();
}
private AbstractStatementParser parser;
@Before
public void setupParser() {
parser = AbstractStatementParser.getInstance(dialect);
}
private static final ImmutableMap<Dialect, String> COMMENTS_SCRIPTS =
ImmutableMap.of(
Dialect.GOOGLE_STANDARD_SQL,
"CommentsTest.sql",
Dialect.POSTGRESQL,
"postgresql/CommentsTest.sql");
@Test
public void testRemoveCommentsInScript() {
List<String> statements = readStatementsFromFile(COMMENTS_SCRIPTS.get(dialect));
String currentlyExpected = "";
for (String statement : statements) {
String sql = statement.trim();
if (sql.startsWith("@EXPECT")) {
Matcher matcher = EXPECT_PATTERN.matcher(sql);
if (matcher.matches()) {
currentlyExpected = matcher.group(1);
} else {
throw new IllegalArgumentException("Unknown @EXPECT statement: " + sql);
}
} else {
assertThat(parser.removeCommentsAndTrim(statement)).isEqualTo(currentlyExpected);
}
}
}
@Test
public void testRemoveComments() {
assertThat(parser.removeCommentsAndTrim("")).isEqualTo("");
assertThat(parser.removeCommentsAndTrim("SELECT * FROM FOO")).isEqualTo("SELECT * FROM FOO");
assertThat(parser.removeCommentsAndTrim("-- This is a one line comment\nSELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
assertThat(
parser.removeCommentsAndTrim(
"/* This is a simple multi line comment */\nSELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
assertThat(
parser.removeCommentsAndTrim("/* This is a \nmulti line comment */\nSELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
assertThat(
parser.removeCommentsAndTrim(
"/* This\nis\na\nmulti\nline\ncomment */\nSELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
assertEquals(
"SELECT \"FOO\" FROM \"BAR\" WHERE name='test'",
parser.removeCommentsAndTrim(
"-- Single line comment\nSELECT \"FOO\" FROM \"BAR\" WHERE name='test'"));
assertEquals(
"SELECT \"FOO\" FROM \"BAR\" WHERE name='test' and id=1",
parser.removeCommentsAndTrim(
"/* Multi\n"
+ "line\n"
+ "comment\n"
+ "*/SELECT \"FOO\" FROM \"BAR\" WHERE name='test' and id=1"));
if (dialect == Dialect.POSTGRESQL) {
// PostgreSQL allows string literals and quoted identifiers to contain newline characters.
assertEquals(
"SELECT \"FOO\nBAR\" FROM \"BAR\" WHERE name='test\ntest'",
parser.removeCommentsAndTrim(
"-- Single line comment\nSELECT \"FOO\nBAR\" FROM \"BAR\" WHERE name='test\ntest'"));
assertEquals(
"SELECT \"FOO\nBAR\" FROM \"BAR\" WHERE name='test\ntest' and id=1",
parser.removeCommentsAndTrim(
"/* Multi\n"
+ "line\n"
+ "comment\n"
+ "*/SELECT \"FOO\nBAR\" FROM \"BAR\" WHERE name='test\ntest' and id=1"));
}
}
@Test
public void testGoogleStandardSQLRemoveCommentsGsql() {
assumeTrue(dialect == Dialect.GOOGLE_STANDARD_SQL);
assertThat(parser.removeCommentsAndTrim("/*GSQL*/")).isEqualTo("");
assertThat(parser.removeCommentsAndTrim("/*GSQL*/SELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
assertThat(
parser.removeCommentsAndTrim(
"/*GSQL*/-- This is a one line comment\nSELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
assertThat(
parser.removeCommentsAndTrim(
"/*GSQL*//* This is a simple multi line comment */\nSELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
assertThat(
parser.removeCommentsAndTrim(
"/*GSQL*//* This is a \nmulti line comment */\nSELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
assertThat(
parser.removeCommentsAndTrim(
"/*GSQL*//* This\nis\na\nmulti\nline\ncomment */\nSELECT * FROM FOO"))
.isEqualTo("SELECT * FROM FOO");
}
@Test
public void testStatementWithCommentContainingSlash() {
String sql =
"/*\n"
+ " * Script for testing invalid/unrecognized statements\n"
+ " */\n"
+ "\n"
+ "-- MERGE into test comment MERGE -- \n"
+ "@EXPECT EXCEPTION INVALID_ARGUMENT 'INVALID_ARGUMENT: Unknown statement'\n"
+ "MERGE INTO Singers s\n"
+ "/*** test ****/"
+ "USING (VALUES (1, 'John', 'Doe')) v\n"
+ "ON v.column1 = s.SingerId\n"
+ "WHEN NOT MATCHED \n"
+ " INSERT VALUES (v.column1, v.column2, v.column3)\n"
+ "WHEN MATCHED\n"
+ " UPDATE SET FirstName = v.column2,\n"
+ " LastName = v.column3;";
String sqlWithoutComments =
"@EXPECT EXCEPTION INVALID_ARGUMENT 'INVALID_ARGUMENT: Unknown statement'\n"
+ "MERGE INTO Singers s\n"
+ "USING (VALUES (1, 'John', 'Doe')) v\n"
+ "ON v.column1 = s.SingerId\n"
+ "WHEN NOT MATCHED \n"
+ " INSERT VALUES (v.column1, v.column2, v.column3)\n"
+ "WHEN MATCHED\n"
+ " UPDATE SET FirstName = v.column2,\n"
+ " LastName = v.column3";
ParsedStatement statement = parser.parse(Statement.of(sql));
assertThat(statement.getSqlWithoutComments()).isEqualTo(sqlWithoutComments);
}
@Test
public void testStatementWithCommentContainingSlashAndNoAsteriskOnNewLine() {
String sql =
"/*\n"
+ " * Script for testing invalid/unrecognized statements\n"
+ " foo bar baz"
+ " */\n"
+ "\n"
+ "-- MERGE INTO test comment MERGE\n"
+ "@EXPECT EXCEPTION INVALID_ARGUMENT 'INVALID_ARGUMENT: Unknown statement'\n"
+ "MERGE INTO Singers s\n"
+ "USING (VALUES (1, 'John', 'Doe')) v\n"
+ "ON v.column1 = s.SingerId\n"
+ "-- test again --\n"
+ "WHEN NOT MATCHED \n"
+ " INSERT VALUES (v.column1, v.column2, v.column3)\n"
+ "WHEN MATCHED\n"
+ " UPDATE SET FirstName = v.column2,\n"
+ " LastName = v.column3;";
String sqlWithoutComments =
"@EXPECT EXCEPTION INVALID_ARGUMENT 'INVALID_ARGUMENT: Unknown statement'\n"
+ "MERGE INTO Singers s\n"
+ "USING (VALUES (1, 'John', 'Doe')) v\n"
+ "ON v.column1 = s.SingerId\n"
+ "\nWHEN NOT MATCHED \n"
+ " INSERT VALUES (v.column1, v.column2, v.column3)\n"
+ "WHEN MATCHED\n"
+ " UPDATE SET FirstName = v.column2,\n"
+ " LastName = v.column3";
ParsedStatement statement = parser.parse(Statement.of(sql));
assertThat(statement.getSqlWithoutComments()).isEqualTo(sqlWithoutComments);
}
@Test
public void testPostgresSQLDialectDollarQuoted() {
assumeTrue(dialect == Dialect.POSTGRESQL);
assertThat(parser.removeCommentsAndTrim("$$foo$$")).isEqualTo("$$foo$$");
assertThat(parser.removeCommentsAndTrim("$$--foo$$")).isEqualTo("$$--foo$$");
assertThat(parser.removeCommentsAndTrim("$$\nline 1\n--line2$$"))
.isEqualTo("$$\nline 1\n--line2$$");
assertThat(parser.removeCommentsAndTrim("$bar$--foo$bar$")).isEqualTo("$bar$--foo$bar$");
assertThat(
parser.removeCommentsAndTrim(
"$bar$\nThis is a valid string\n -- That could contain special characters$bar$"))
.isEqualTo("$bar$\nThis is a valid string\n -- That could contain special characters$bar$");
assertThat(parser.removeCommentsAndTrim("SELECT FOO$BAR FROM SOME_TABLE"))
.isEqualTo("SELECT FOO$BAR FROM SOME_TABLE");
assertThat(parser.removeCommentsAndTrim("SELECT FOO$BAR -- This is a comment\nFROM SOME_TABLE"))
.isEqualTo("SELECT FOO$BAR \nFROM SOME_TABLE");
assertThat(
parser.removeCommentsAndTrim("SELECT FOO, $BAR -- This is a comment\nFROM SOME_TABLE"))
.isEqualTo("SELECT FOO, $BAR \nFROM SOME_TABLE");
}
@Test
public void testPostgreSQLDialectUnicodeEscapedIdentifiers() {
assumeTrue(dialect == Dialect.POSTGRESQL);
assertEquals(
"SELECT 'tricky' AS \"\\\"", parser.removeCommentsAndTrim("SELECT 'tricky' AS \"\\\""));
assertEquals(
"SELECT 'tricky' AS U&\"\\\" UESCAPE '!'",
parser.removeCommentsAndTrim("SELECT 'tricky' AS U&\"\\\" UESCAPE '!'"));
assertEquals(
"SELECT '\\' AS \"tricky\"", parser.removeCommentsAndTrim("SELECT '\\' AS \"tricky\""));
assertEquals("SELECT 'foo''bar'", parser.removeCommentsAndTrim("SELECT 'foo''bar'"));
assertEquals("SELECT 'foo\"bar'", parser.removeCommentsAndTrim("SELECT 'foo\"bar'"));
assertEquals("SELECT 'foo\"\"bar'", parser.removeCommentsAndTrim("SELECT 'foo\"\"bar'"));
assertEquals(
"SELECT 'foo'", parser.removeCommentsAndTrim("SELECT /* This is a 'comment' */ 'foo'"));
assertEquals(
"SELECT 'foo'",
parser.removeCommentsAndTrim("SELECT /* This is a '''comment''' */ 'foo'"));
assertEquals(
"SELECT '''foo''' FROM bar",
parser.removeCommentsAndTrim("SELECT /* This is a '''comment''' */ '''foo''' FROM bar"));
assertEquals(
"SELECT '''foo''' FROM \"\"\"\\bar\\\"\"\"",
parser.removeCommentsAndTrim(
"SELECT /* This is a '''comment''' */ '''foo''' FROM \"\"\"\\bar\\\"\"\""));
}
@Test
public void testPostgreSQLDialectSupportsEmbeddedComments() {
assumeTrue(dialect == Dialect.POSTGRESQL);
final String sql =
"/* This is a comment /* This is an embedded comment */ This is after the embedded comment */ SELECT 1";
assertEquals("SELECT 1", parser.removeCommentsAndTrim(sql));
}
@Test
public void testGoogleStandardSQLDialectDoesNotSupportEmbeddedComments() {
assumeTrue(dialect == Dialect.GOOGLE_STANDARD_SQL);
final String sql =
"/* This is a comment /* This is an embedded comment */ This is after the embedded comment */ SELECT 1";
assertEquals(
"This is after the embedded comment */ SELECT 1", parser.removeCommentsAndTrim(sql));
}
@Test
public void testPostgreSQLDialectUnterminatedComment() {
assumeTrue(dialect == Dialect.POSTGRESQL);
final String sql =
"/* This is a comment /* This is still a comment */ this is unterminated SELECT 1";
try {
// Cloud Spanner would see this as a valid comment, while PostgreSQL
// requires 'embedded' comments to be properly terminated.
parser.removeCommentsAndTrim(sql);
fail("missing expected exception");
} catch (SpannerException e) {
assertEquals(ErrorCode.INVALID_ARGUMENT, e.getErrorCode());
assertTrue(
"Message should contain 'unterminated block comment'",
e.getMessage().contains("unterminated block comment"));
}
}
@Test
public void testGoogleStandardSqlDialectDialectUnterminatedComment() {
assumeTrue(dialect == Dialect.GOOGLE_STANDARD_SQL);
final String sql =
"/* This is a comment /* This is still a comment */ this is unterminated SELECT 1";
assertEquals("this is unterminated SELECT 1", parser.removeCommentsAndTrim(sql));
}
@Test
public void testShowStatements() {
AbstractStatementParser parser = AbstractStatementParser.getInstance(dialect);
assertThat(parser.parse(Statement.of("show variable autocommit bar")).getType())
.isEqualTo(StatementType.QUERY);
assertThat(parser.parse(Statement.of("show variable autocommit")).getType())
.isEqualTo(StatementType.CLIENT_SIDE);
if (dialect == Dialect.POSTGRESQL) {
assertThat(parser.parse(Statement.of("show autocommit")).getType())
.isEqualTo(StatementType.CLIENT_SIDE);
assertThat(
parser.parse(Statement.of("show variable spanner.retry_aborts_internally")).getType())
.isEqualTo(StatementType.CLIENT_SIDE);
} else {
assertThat(parser.parse(Statement.of("show autocommit")).getType())
.isEqualTo(StatementType.QUERY);
assertThat(parser.parse(Statement.of("show variable retry_aborts_internally")).getType())
.isEqualTo(StatementType.CLIENT_SIDE);
}
assertThat(parser.parse(Statement.of("show variable retry_aborts_internally bar")).getType())
.isEqualTo(StatementType.QUERY);
}
@Test
public void testGoogleStandardSQLDialectStatementWithHashTagSingleLineComment() {
assumeTrue(dialect == Dialect.GOOGLE_STANDARD_SQL);
// Supports # based comments
assertThat(
parser
.parse(Statement.of("# this is a comment\nselect * from foo"))
.getSqlWithoutComments())
.isEqualTo("select * from foo");
assertThat(
parser
.parse(Statement.of("select * from foo\n#this is a comment"))
.getSqlWithoutComments())
.isEqualTo("select * from foo");
assertThat(
parser
.parse(Statement.of("select *\nfrom foo # this is a comment\nwhere bar=1"))
.getSqlWithoutComments())
.isEqualTo("select *\nfrom foo \nwhere bar=1");
}
@Test
public void testPostgreSQLDialectStatementWithHashTagSingleLineComment() {
assumeTrue(dialect == Dialect.POSTGRESQL);
// Does not support # based comments
assertThat(
parser
.parse(Statement.of("# this is a comment\nselect * from foo"))
.getSqlWithoutComments())
.isEqualTo("# this is a comment\nselect * from foo");
assertThat(
parser
.parse(Statement.of("select * from foo\n#this is a comment"))
.getSqlWithoutComments())
.isEqualTo("select * from foo\n#this is a comment");
assertThat(
parser
.parse(Statement.of("select *\nfrom foo # this is a comment\nwhere bar=1"))
.getSqlWithoutComments())
.isEqualTo("select *\nfrom foo # this is a comment\nwhere bar=1");
}
@Test
public void testIsDdlStatement() {
assertThat(parser.isDdlStatement("")).isFalse();
assertThat(parser.isDdlStatement("random text")).isFalse();
assertThat(parser.isDdlStatement("CREATETABLE")).isFalse();
assertThat(parser.isDdlStatement("CCREATE TABLE")).isFalse();
assertThat(parser.isDdlStatement("SELECT 1")).isFalse();
assertThat(parser.isDdlStatement("SELECT FOO FROM BAR")).isFalse();
assertThat(parser.isDdlStatement("INSERT INTO FOO (ID, NAME) VALUES (1, 'NAME')")).isFalse();
assertThat(parser.isDdlStatement("UPDATE FOO SET NAME='NAME' WHERE ID=1")).isFalse();
assertThat(parser.isDdlStatement("DELETE FROM FOO")).isFalse();
assertThat(
parser.isDdlStatement("CREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isTrue();
assertThat(parser.isDdlStatement("alter table foo add Description string(100)")).isTrue();
assertThat(parser.isDdlStatement("drop table foo")).isTrue();
assertThat(parser.isDdlStatement("Create index BAR on foo (name)")).isTrue();
assertThat(
parser
.parse(
Statement.of(
"\t\tCREATE\n\t TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isDdl())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"\n\n\nCREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isDdl())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"-- this is a comment\nCREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isDdl())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"/* multi line comment\n* with more information on the next line\n*/\nCREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isDdl())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"/** java doc comment\n* with more information on the next line\n*/\nCREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isDdl())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"-- SELECT in a single line comment \nCREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isDdl())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"/* SELECT in a multi line comment\n* with more information on the next line\n*/\nCREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isDdl())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"/** SELECT in a java doc comment\n* with more information on the next line\n*/\nCREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isDdl())
.isTrue();
assertTrue(
parser
.parse(
Statement.of(
"CREATE VIEW SingerNames\n"
+ "SQL SECURITY INVOKER\n"
+ "AS SELECT SingerId as SingerId,\n"
+ " CONCAT(Singers.FirstName, Singers.LastName) as Name\n"
+ " FROM Singers"))
.isDdl());
assertTrue(
parser
.parse(Statement.of("create view SingerNames as select FullName from Singers"))
.isDdl());
assertTrue(
parser
.parse(
Statement.of(
"/* this is a comment */ create view SingerNames as select FullName from Singers"))
.isDdl());
assertTrue(
parser
.parse(
Statement.of(
"create /* this is a comment */ view SingerNames as select FullName from Singers"))
.isDdl());
assertTrue(
parser
.parse(
Statement.of(
"create \n -- This is a comment \n view SingerNames as select FullName from Singers"))
.isDdl());
assertTrue(
parser
.parse(
Statement.of(
" \t \n create \n \t view \n \t SingerNames as select FullName from Singers"))
.isDdl());
assertTrue(parser.parse(Statement.of("DROP VIEW SingerNames")).isDdl());
assertTrue(
parser
.parse(
Statement.of(
"ALTER VIEW SingerNames\n"
+ "AS SELECT SingerId as SingerId,\n"
+ " CONCAT(Singers.FirstName, Singers.LastName) as Name\n"
+ " FROM Singers"))
.isDdl());
assertTrue(parser.parse(Statement.of("analyze")).isDdl());
assertTrue(parser.parse(Statement.of("Analyze")).isDdl());
assertTrue(parser.parse(Statement.of("ANALYZE")).isDdl());
assertTrue(parser.parse(Statement.of("\t ANALYZE\n ")).isDdl());
assertTrue(parser.parse(Statement.of("/* This is a comment */ ANALYZE ")).isDdl());
assertTrue(parser.parse(Statement.of("-- comment\n ANALYZE ")).isDdl());
}
@Test
public void testIsQuery() {
assertThat(parser.isQuery("")).isFalse();
assertThat(parser.isQuery("random text")).isFalse();
assertThat(parser.isQuery("SELECT1")).isFalse();
assertThat(parser.isQuery("SSELECT 1")).isFalse();
assertThat(parser.isQuery("SELECT 1")).isTrue();
assertThat(parser.isQuery("select 1")).isTrue();
assertThat(parser.isQuery("SELECT foo FROM bar WHERE id=@id")).isTrue();
assertThat(parser.isQuery("INSERT INTO FOO (ID, NAME) VALUES (1, 'NAME')")).isFalse();
assertThat(parser.isQuery("UPDATE FOO SET NAME='NAME' WHERE ID=1")).isFalse();
assertThat(parser.isQuery("DELETE FROM FOO")).isFalse();
assertThat(parser.isQuery("CREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"))
.isFalse();
assertThat(parser.isQuery("alter table foo add Description string(100)")).isFalse();
assertThat(parser.isQuery("drop table foo")).isFalse();
assertThat(parser.isQuery("Create index BAR on foo (name)")).isFalse();
assertThat(parser.isQuery("select * from foo")).isTrue();
assertThat(parser.isQuery("INSERT INTO FOO (ID, NAME) SELECT ID+1, NAME FROM FOO")).isFalse();
assertThat(
parser.isQuery(
"WITH subQ1 AS (SELECT SchoolID FROM Roster),\n"
+ " subQ2 AS (SELECT OpponentID FROM PlayerStats)\n"
+ "SELECT * FROM subQ1\n"
+ "UNION ALL\n"
+ "SELECT * FROM subQ2"))
.isTrue();
assertThat(
parser.isQuery(
"with subQ1 AS (SELECT SchoolID FROM Roster),\n"
+ " subQ2 AS (SELECT OpponentID FROM PlayerStats)\n"
+ "select * FROM subQ1\n"
+ "UNION ALL\n"
+ "SELECT * FROM subQ2"))
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"-- this is a comment\nwith foo as (select * from bar)\nselect * from foo"))
.isQuery())
.isTrue();
assertThat(parser.parse(Statement.of("-- this is a comment\nselect * from foo")).isQuery())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"/* multi line comment\n* with more information on the next line\n*/\nSELECT ID, NAME\nFROM\tTEST\n\tWHERE ID=1"))
.isQuery())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"/** java doc comment\n* with more information on the next line\n*/\nselect max(id) from test"))
.isQuery())
.isTrue();
assertThat(
parser
.parse(Statement.of("-- INSERT in a single line comment \n select 1"))
.isQuery())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"/* UPDATE in a multi line comment\n* with more information on the next line\n*/\nSELECT 1"))
.isQuery())
.isTrue();
assertThat(
parser
.parse(
Statement.of(
"/** DELETE in a java doc comment\n* with more information on the next line\n*/\n\n\n\n -- UPDATE test\nSELECT 1"))
.isQuery())
.isTrue();
}
@Test
public void testGoogleStandardSQLDialectIsQuery_QueryHints() {
assumeTrue(dialect == Dialect.GOOGLE_STANDARD_SQL);
// Supports query hints, PostgreSQL dialect does NOT
// Valid query hints.
assertTrue(parser.isQuery("@{JOIN_METHOD=HASH_JOIN} SELECT * FROM PersonsTable"));
assertTrue(parser.isQuery("@ {JOIN_METHOD=HASH_JOIN} SELECT * FROM PersonsTable"));
assertTrue(parser.isQuery("@{ JOIN_METHOD=HASH_JOIN} SELECT * FROM PersonsTable"));
assertTrue(parser.isQuery("@{JOIN_METHOD=HASH_JOIN } SELECT * FROM PersonsTable"));
assertTrue(parser.isQuery("@{JOIN_METHOD=HASH_JOIN}\nSELECT * FROM PersonsTable"));
assertTrue(parser.isQuery("@{\nJOIN_METHOD = HASH_JOIN \t}\n\t SELECT * FROM PersonsTable"));
assertTrue(
parser.isQuery(
"@{JOIN_METHOD=HASH_JOIN}\n -- Single line comment\nSELECT * FROM PersonsTable"));
assertTrue(
parser.isQuery(
"@{JOIN_METHOD=HASH_JOIN}\n /* Multi line comment\n with more comments\n */SELECT * FROM PersonsTable"));
assertTrue(
parser.isQuery(
"@{JOIN_METHOD=HASH_JOIN} WITH subQ1 AS (SELECT SchoolID FROM Roster),\n"
+ " subQ2 AS (SELECT OpponentID FROM PlayerStats)\n"
+ "SELECT * FROM subQ1\n"
+ "UNION ALL\n"
+ "SELECT * FROM subQ2"));
// Multiple query hints.
assertTrue(
parser.isQuery("@{FORCE_INDEX=index_name} @{JOIN_METHOD=HASH_JOIN} SELECT * FROM tbl"));
assertTrue(
parser.isQuery("@{FORCE_INDEX=index_name} @{JOIN_METHOD=HASH_JOIN} Select * FROM tbl"));
assertTrue(
parser.isQuery(
"@{FORCE_INDEX=index_name}\n@{JOIN_METHOD=HASH_JOIN}\nWITH subQ1 AS (SELECT SchoolID FROM Roster),\n"
+ " subQ2 AS (SELECT OpponentID FROM PlayerStats)\n"
+ "SELECT * FROM subQ1\n"
+ "UNION ALL\n"
+ "SELECT * FROM subQ2"));
// Invalid query hints.
assertFalse(parser.isQuery("@{JOIN_METHOD=HASH_JOIN SELECT * FROM PersonsTable"));
assertFalse(parser.isQuery("@JOIN_METHOD=HASH_JOIN} SELECT * FROM PersonsTable"));
assertFalse(parser.isQuery("@JOIN_METHOD=HASH_JOIN SELECT * FROM PersonsTable"));
assertFalse(
parser.isQuery(
"@{FORCE_INDEX=index_name} @{JOIN_METHOD=HASH_JOIN} UPDATE tbl set FOO=1 WHERE ID=2"));
}
@Test
public void testIsUpdate_QueryHints() {
assumeTrue(dialect == Dialect.GOOGLE_STANDARD_SQL);
// Supports query hints, PostgreSQL dialect does NOT
// Valid query hints.
assertTrue(
parser.isUpdateStatement(
"@{LOCK_SCANNED_RANGES=exclusive} UPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(
parser.isUpdateStatement(
"@ {LOCK_SCANNED_RANGES=exclusive} UPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(
parser.isUpdateStatement(
"@{ LOCK_SCANNED_RANGES=exclusive} UPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(
parser.isUpdateStatement(
"@{LOCK_SCANNED_RANGES=exclusive } UPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(
parser.isUpdateStatement(
"@{LOCK_SCANNED_RANGES=exclusive}\nUPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(
parser.isUpdateStatement(
"@{\nLOCK_SCANNED_RANGES = exclusive \t}\n\t UPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(
parser.isUpdateStatement(
"@{LOCK_SCANNED_RANGES=exclusive}\n -- Single line comment\nUPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(
parser.isUpdateStatement(
"@{LOCK_SCANNED_RANGES=exclusive}\n /* Multi line comment\n with more comments\n */UPDATE FOO SET NAME='foo' WHERE ID=1"));
// Multiple query hints.
assertTrue(
parser.isUpdateStatement(
"@{LOCK_SCANNED_RANGES=exclusive} @{USE_ADDITIONAL_PARALLELISM=TRUE} UPDATE FOO SET NAME='foo' WHERE ID=1"));
// Invalid query hints.
assertFalse(
parser.isUpdateStatement(
"@{LOCK_SCANNED_RANGES=exclusive UPDATE FOO SET NAME='foo' WHERE ID=1"));
assertFalse(
parser.isUpdateStatement(
"@LOCK_SCANNED_RANGES=exclusive} UPDATE FOO SET NAME='foo' WHERE ID=1"));
assertFalse(
parser.isUpdateStatement(
"@LOCK_SCANNED_RANGES=exclusive UPDATE FOO SET NAME='foo' WHERE ID=1"));
}
@Test
public void testIsUpdate_InsertStatements() {
assertFalse(parser.isUpdateStatement(""));
assertFalse(parser.isUpdateStatement("random text"));
assertFalse(parser.isUpdateStatement("INSERTINTO FOO (ID) VALUES (1)"));
assertFalse(parser.isUpdateStatement("IINSERT INTO FOO (ID) VALUES (1)"));
assertTrue(parser.isUpdateStatement("INSERT INTO FOO (ID) VALUES (1)"));
assertTrue(parser.isUpdateStatement("insert into foo (id) values (1)"));
assertTrue(parser.isUpdateStatement("INSERT into Foo (id)\nSELECT id FROM bar WHERE id=@id"));
assertFalse(parser.isUpdateStatement("SELECT 1"));
assertFalse(parser.isUpdateStatement("SELECT NAME FROM FOO WHERE ID=1"));
assertFalse(
parser.isUpdateStatement("CREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"));
assertFalse(parser.isUpdateStatement("alter table foo add Description string(100)"));
assertFalse(parser.isUpdateStatement("drop table foo"));
assertFalse(parser.isUpdateStatement("Create index BAR on foo (name)"));
assertFalse(parser.isUpdateStatement("select * from foo"));
assertTrue(parser.isUpdateStatement("INSERT INTO FOO (ID, NAME) SELECT ID+1, NAME FROM FOO"));
assertTrue(
parser
.parse(Statement.of("-- this is a comment\ninsert into foo (id) values (1)"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/* multi line comment\n* with more information on the next line\n*/\nINSERT INTO FOO\n(ID)\tVALUES\n\t(1)"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/** java doc comment\n* with more information on the next line\n*/\nInsert intO foo (id) select 1"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"-- SELECT in a single line comment \n insert into foo (id) values (1)"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/* CREATE in a multi line comment\n* with more information on the next line\n*/\nINSERT INTO FOO (ID) VALUES (1)"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/** DROP in a java doc comment\n* with more information on the next line\n*/\n\n\n\n -- SELECT test\ninsert into foo (id) values (1)"))
.isUpdate());
}
@Test
public void testIsUpdate_UpdateStatements() {
assertFalse(parser.isUpdateStatement(""));
assertFalse(parser.isUpdateStatement("random text"));
assertFalse(parser.isUpdateStatement("UPDATEFOO SET NAME='foo' WHERE ID=1"));
assertFalse(parser.isUpdateStatement("UUPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(parser.isUpdateStatement("UPDATE FOO SET NAME='foo' WHERE ID=1"));
assertTrue(parser.isUpdateStatement("update foo set name='foo' where id=1"));
assertTrue(
parser.isUpdateStatement("update foo set name=\n(SELECT name FROM bar WHERE id=@id)"));
assertFalse(parser.isUpdateStatement("SELECT 1"));
assertFalse(parser.isUpdateStatement("SELECT NAME FROM FOO WHERE ID=1"));
assertFalse(
parser.isUpdateStatement("CREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"));
assertFalse(parser.isUpdateStatement("alter table foo add Description string(100)"));
assertFalse(parser.isUpdateStatement("drop table foo"));
assertFalse(parser.isUpdateStatement("Create index BAR on foo (name)"));
assertFalse(parser.isUpdateStatement("select * from foo"));
assertTrue(
parser.isUpdateStatement(
"UPDATE FOO SET NAME=(SELECT NAME FROM FOO) WHERE ID=(SELECT ID+1 FROM FOO)"));
assertTrue(
parser
.parse(Statement.of("-- this is a comment\nupdate foo set name='foo' where id=@id"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/* multi line comment\n* with more information on the next line\n*/\nUPDATE FOO\nSET NAME=\t'foo'\n\tWHERE ID=1"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/** java doc comment\n* with more information on the next line\n*/\nUPDATE FOO SET NAME=(select 'bar')"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of("-- SELECT in a single line comment \n update foo set name='bar'"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/* CREATE in a multi line comment\n* with more information on the next line\n*/\nUPDATE FOO SET NAME='BAR'"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/** DROP in a java doc comment\n* with more information on the next line\n*/\n\n\n\n -- SELECT test\nupdate foo set bar='foo'"))
.isUpdate());
}
@Test
public void testIsUpdate_DeleteStatements() {
assertFalse(parser.isUpdateStatement(""));
assertFalse(parser.isUpdateStatement("random text"));
assertFalse(parser.isUpdateStatement("DELETEFROM FOO WHERE ID=1"));
assertFalse(parser.isUpdateStatement("DDELETE FROM FOO WHERE ID=1"));
assertTrue(parser.isUpdateStatement("DELETE FROM FOO WHERE ID=1"));
assertTrue(parser.isUpdateStatement("delete from foo where id=1"));
assertTrue(
parser.isUpdateStatement(
"delete from foo where name=\n(SELECT name FROM bar WHERE id=@id)"));
assertFalse(parser.isUpdateStatement("SELECT 1"));
assertFalse(parser.isUpdateStatement("SELECT NAME FROM FOO WHERE ID=1"));
assertFalse(
parser.isUpdateStatement("CREATE TABLE FOO (ID INT64, NAME STRING(100)) PRIMARY KEY (ID)"));
assertFalse(parser.isUpdateStatement("alter table foo add Description string(100)"));
assertFalse(parser.isUpdateStatement("drop table foo"));
assertFalse(parser.isUpdateStatement("Create index BAR on foo (name)"));
assertFalse(parser.isUpdateStatement("select * from foo"));
assertTrue(
parser.isUpdateStatement(
"UPDATE FOO SET NAME=(SELECT NAME FROM FOO) WHERE ID=(SELECT ID+1 FROM FOO)"));
assertTrue(
parser
.parse(Statement.of("-- this is a comment\ndelete from foo where id=@id"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/* multi line comment\n* with more information on the next line\n*/\nDELETE FROM FOO\n\n\tWHERE ID=1"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/** java doc comment\n* with more information on the next line\n*/\nDELETE FROM FOO WHERE NAME=(select 'bar')"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"-- SELECT in a single line comment \n delete from foo where name='bar'"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/* CREATE in a multi line comment\n* with more information on the next line\n*/\nDELETE FROM FOO WHERE NAME='BAR'"))
.isUpdate());
assertTrue(
parser
.parse(
Statement.of(
"/** DROP in a java doc comment\n* with more information on the next line\n*/\n\n\n\n -- SELECT test\ndelete from foo where bar='foo'"))
.isUpdate());
}
@Test
public void testParseStatementsWithNoParameters() throws CompileException {
for (ClientSideStatementImpl statement : getAllStatements()) {
if (statement.getSetStatement() == null) {
for (String testStatement : statement.getExampleStatements()) {
testParseStatement(testStatement, statement.getClass());
}
}
}
}
@Test
public void testParseStatementsWithOneParameterAtTheEnd() throws CompileException {
for (ClientSideStatementImpl statement : getAllStatements()) {
if (statement.getSetStatement() != null) {
for (String testStatement : statement.getExampleStatements()) {
testParseStatementWithOneParameterAtTheEnd(testStatement, statement.getClass());
}
}
}
}
private Set<ClientSideStatementImpl> getAllStatements() throws CompileException {
return ClientSideStatements.getInstance(dialect).getCompiledStatements();
}
private <T extends ClientSideStatementImpl> void assertParsing(
String value, Class<T> statementClass) {
assertThat(this.<T>parse(value)).isEqualTo(statementClass);
}
private <T extends ClientSideStatementImpl> void testParseStatement(
String statement, Class<T> statementClass) {
Truth.assertWithMessage("\"" + statement + "\" should be " + statementClass.getName())
.that(this.<T>parse(statement))
.isEqualTo(statementClass);
assertParsing(upper(statement), statementClass);
assertParsing(lower(statement), statementClass);
assertParsing(withSpaces(statement), statementClass);
assertParsing(withTabs(statement), statementClass);
assertParsing(withLinefeeds(statement), statementClass);
assertParsing(withLeadingSpaces(statement), statementClass);
assertParsing(withLeadingTabs(statement), statementClass);
assertParsing(withLeadingLinefeeds(statement), statementClass);
assertParsing(withTrailingSpaces(statement), statementClass);
assertParsing(withTrailingTabs(statement), statementClass);
assertParsing(withTrailingLinefeeds(statement), statementClass);
assertThat(parse(withInvalidPrefix(statement))).isNull();
assertThat(parse(withInvalidSuffix(statement))).isNull();
assertThat(parse(withPrefix("%", statement))).isNull();
assertThat(parse(withPrefix("_", statement))).isNull();
assertThat(parse(withPrefix("&", statement))).isNull();
assertThat(parse(withPrefix("$", statement))).isNull();
assertThat(parse(withPrefix("@", statement))).isNull();
assertThat(parse(withPrefix("!", statement))).isNull();
assertThat(parse(withPrefix("*", statement))).isNull();
assertThat(parse(withPrefix("(", statement))).isNull();
assertThat(parse(withPrefix(")", statement))).isNull();
Truth.assertWithMessage(withSuffix("%", statement) + " is not a valid statement")
.that(parse(withSuffix("%", statement)))
.isNull();
assertThat(parse(withSuffix("_", statement))).isNull();
assertThat(parse(withSuffix("&", statement))).isNull();
assertThat(parse(withSuffix("$", statement))).isNull();
assertThat(parse(withSuffix("@", statement))).isNull();
assertThat(parse(withSuffix("!", statement))).isNull();
assertThat(parse(withSuffix("*", statement))).isNull();
assertThat(parse(withSuffix("(", statement))).isNull();
assertThat(parse(withSuffix(")", statement))).isNull();
}
private <T extends ClientSideStatementImpl> void testParseStatementWithOneParameterAtTheEnd(
String statement, Class<T> statementClass) {
Truth.assertWithMessage("\"" + statement + "\" should be " + statementClass.getName())
.that(this.<T>parse(statement))
.isEqualTo(statementClass);
assertParsing(upper(statement), statementClass);
assertParsing(lower(statement), statementClass);
assertParsing(withSpaces(statement), statementClass);
assertParsing(withTabs(statement), statementClass);
assertParsing(withLinefeeds(statement), statementClass);
assertParsing(withLeadingSpaces(statement), statementClass);
assertParsing(withLeadingTabs(statement), statementClass);
assertParsing(withLeadingLinefeeds(statement), statementClass);
assertParsing(withTrailingSpaces(statement), statementClass);
assertParsing(withTrailingTabs(statement), statementClass);
assertParsing(withTrailingLinefeeds(statement), statementClass);
assertThat(parse(withInvalidPrefix(statement))).isNull();
assertParsing(withInvalidSuffix(statement), statementClass);
assertThat(parse(withPrefix("%", statement))).isNull();
assertThat(parse(withPrefix("_", statement))).isNull();
assertThat(parse(withPrefix("&", statement))).isNull();
assertThat(parse(withPrefix("$", statement))).isNull();
assertThat(parse(withPrefix("@", statement))).isNull();
assertThat(parse(withPrefix("!", statement))).isNull();