feat: Implement deferrable foreign keys for SAP HANA (#6104)

* Implement deferrable foreign keys for SAP HANA * Fix code style Co-authored-by: Lucian Mocanu <lucian.mocanu@nexontis.com>
typeorm · Feb 19, 2022 · 1f54c70 · 1f54c70
1 parent 136015b
commit 1f54c70
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/driver/sap/SapQueryRunner.ts b/src/driver/sap/SapQueryRunner.ts
@@ -508,6 +508,7 @@ export class SapQueryRunner extends BaseQueryRunner implements QueryRunner {
                     referencedColumnNames: foreignKeys.map(dbFk => dbFk["REFERENCED_COLUMN_NAME"]),
                     onDelete: dbForeignKey["DELETE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["DELETE_RULE"],
                     onUpdate: dbForeignKey["UPDATE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["UPDATE_RULE"],
+                    deferrable: dbForeignKey["CHECK_TIME"].replace("_", " "), // "CHECK_TIME" is "INITIALLY_IMMEDIATE" or "INITIALLY DEFERRED"
                 });
             });
 
@@ -620,6 +621,7 @@ export class SapQueryRunner extends BaseQueryRunner implements QueryRunner {
                             referencedColumnNames: foreignKeys.map(dbFk => dbFk["REFERENCED_COLUMN_NAME"]),
                             onDelete: dbForeignKey["DELETE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["DELETE_RULE"],
                             onUpdate: dbForeignKey["UPDATE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["UPDATE_RULE"],
+                            deferrable: dbForeignKey["CHECK_TIME"].replace("_", " "),
                         });
                     });
 
@@ -966,6 +968,7 @@ export class SapQueryRunner extends BaseQueryRunner implements QueryRunner {
                         referencedColumnNames: foreignKeys.map(dbFk => dbFk["REFERENCED_COLUMN_NAME"]),
                         onDelete: dbForeignKey["DELETE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["DELETE_RULE"],
                         onUpdate: dbForeignKey["UPDATE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["UPDATE_RULE"],
+                        deferrable: dbForeignKey["CHECK_TIME"].replace("_", " "),
                     });
                 });
 
@@ -1110,6 +1113,7 @@ export class SapQueryRunner extends BaseQueryRunner implements QueryRunner {
                     referencedColumnNames: foreignKeys.map(dbFk => dbFk["REFERENCED_COLUMN_NAME"]),
                     onDelete: dbForeignKey["DELETE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["DELETE_RULE"],
                     onUpdate: dbForeignKey["UPDATE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["UPDATE_RULE"],
+                    deferrable: dbForeignKey["CHECK_TIME"].replace("_", " "),
                 });
             });
 
@@ -1185,6 +1189,7 @@ export class SapQueryRunner extends BaseQueryRunner implements QueryRunner {
                     referencedColumnNames: foreignKeys.map(dbFk => dbFk["REFERENCED_COLUMN_NAME"]),
                     onDelete: dbForeignKey["DELETE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["DELETE_RULE"],
                     onUpdate: dbForeignKey["UPDATE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["UPDATE_RULE"],
+                    deferrable: dbForeignKey["CHECK_TIME"].replace("_", " "),
                 });
             });
 
@@ -1705,6 +1710,7 @@ export class SapQueryRunner extends BaseQueryRunner implements QueryRunner {
                     referencedColumnNames: foreignKeys.map(dbFk => dbFk["REFERENCED_COLUMN_NAME"]),
                     onDelete: dbForeignKey["DELETE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["DELETE_RULE"],
                     onUpdate: dbForeignKey["UPDATE_RULE"] === "RESTRICT" ? "NO ACTION" : dbForeignKey["UPDATE_RULE"],
+                    deferrable: dbForeignKey["CHECK_TIME"].replace("_", " "),
                 });
             });
 
@@ -1799,6 +1805,9 @@ export class SapQueryRunner extends BaseQueryRunner implements QueryRunner {
                     const onUpdate = fk.onUpdate === "NO ACTION" ? "RESTRICT" : fk.onUpdate;
                     constraint += ` ON UPDATE ${onUpdate}`;
                 }
+                if (fk.deferrable) {
+                    constraint += ` ${fk.deferrable}`;
+                }
 
                 return constraint;
             }).join(", ");
@@ -1960,6 +1969,10 @@ export class SapQueryRunner extends BaseQueryRunner implements QueryRunner {
             sql += ` ON UPDATE ${onUpdate}`;
         }
 
+        if (foreignKey.deferrable) {
+            sql += ` ${foreignKey.deferrable}`;
+        }
+
         return new Query(sql);
     }