Backport to branch(3) : For IBM Db2, change the data type for BLOB column to support storing up to 2GB (#3024)

feeblefakie · Torch3333 · web-flow · commit f889e89549c6 · 2025-09-25T09:08:15.000+09:00
Co-authored-by: Vincent Guilpain &lt;vincent.guilpain@scalar-labs.com&gt;
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/ConsensusCommitAdminIntegrationTestWithJdbcDatabase.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/ConsensusCommitAdminIntegrationTestWithJdbcDatabase.java
@@ -122,8 +122,8 @@ public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentExcept
   }
 
   @Override
-  protected boolean isCreateIndexOnTextAndBlobColumnsEnabled() {
-    // "admin.createIndex()" for TEXT and BLOB columns fails (the "create index" query runs
+  protected boolean isCreateIndexOnTextColumnEnabled() {
+    // "admin.createIndex()" for TEXT column fails (the "create index" query runs
     // indefinitely) on the Db2 community edition docker version which we use for the CI.
     // However, the index creation is successful on Db2 hosted on IBM Cloud.
     // So we disable these tests until the issue with the Db2 community edition is resolved.
@@ -180,4 +180,9 @@ public void renameColumn_Db2_ForPrimaryOrIndexKeyColumn_ShouldThrowUnsupportedOp
       admin.dropTable(namespace1, TABLE4, true);
     }
   }
+
+  @Override
+  protected boolean isIndexOnBlobColumnSupported() {
+    return !JdbcTestUtils.isDb2(rdbEngine);
+  }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcAdminCaseSensitivityIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcAdminCaseSensitivityIntegrationTest.java
@@ -106,8 +106,8 @@ public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentExcept
   }
 
   @Override
-  protected boolean isCreateIndexOnTextAndBlobColumnsEnabled() {
-    // "admin.createIndex()" for TEXT and BLOB columns fails (the "create index" query runs
+  protected boolean isCreateIndexOnTextColumnEnabled() {
+    // "admin.createIndex()" for TEXT column fails (the "create index" query runs
     // indefinitely) on Db2 community edition version but works on Db2 hosted on IBM Cloud.
     // So we disable these tests until the issue is resolved.
     return !JdbcTestUtils.isDb2(rdbEngine);
@@ -172,4 +172,9 @@ public void renameColumn_Db2_ForPrimaryOrIndexKeyColumn_ShouldThrowUnsupportedOp
       admin.dropTable(getNamespace1(), getTable4(), true);
     }
   }
+
+  @Override
+  protected boolean isIndexOnBlobColumnSupported() {
+    return !JdbcTestUtils.isDb2(rdbEngine);
+  }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcAdminIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcAdminIntegrationTest.java
@@ -105,8 +105,8 @@ public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentExcept
   }
 
   @Override
-  protected boolean isCreateIndexOnTextAndBlobColumnsEnabled() {
-    // "admin.createIndex()" for TEXT and BLOB columns fails (the "create index" query runs
+  protected boolean isCreateIndexOnTextColumnEnabled() {
+    // "admin.createIndex()" for TEXT columns fails (the "create index" query runs
     // indefinitely) on Db2 community edition version but works on Db2 hosted on IBM Cloud.
     // So we disable these tests until the issue is resolved.
     return !JdbcTestUtils.isDb2(rdbEngine);
@@ -171,4 +171,9 @@ public void renameColumn_Db2_ForPrimaryOrIndexKeyColumn_ShouldThrowUnsupportedOp
       admin.dropTable(getNamespace1(), getTable4(), true);
     }
   }
+
+  @Override
+  protected boolean isIndexOnBlobColumnSupported() {
+    return !JdbcTestUtils.isDb2(rdbEngine);
+  }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseCrossPartitionScanIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseCrossPartitionScanIntegrationTest.java
@@ -80,4 +80,9 @@ protected Stream<Arguments> provideColumnsForCNFConditionsTest() {
     }
     return Stream.of(Arguments.of(allColumnNames));
   }
+
+  @Override
+  protected boolean isOrderingOnBlobColumnSupported() {
+    return !JdbcTestUtils.isDb2(rdbEngine);
+  }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseMultipleClusteringKeyScanIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseMultipleClusteringKeyScanIntegrationTest.java
@@ -94,9 +94,14 @@ protected Column<?> getColumnWithMaxValue(String columnName, DataType dataType)
   @Override
   protected List<DataType> getDataTypes() {
     // TIMESTAMP WITH TIME ZONE type cannot be used as a primary key in Oracle
+    // BLOB type cannot be used as a clustering key in Db2
     return JdbcTestUtils.filterDataTypes(
         super.getDataTypes(),
         rdbEngine,
-        ImmutableMap.of(RdbEngineOracle.class, ImmutableList.of(DataType.TIMESTAMPTZ)));
+        ImmutableMap.of(
+            RdbEngineOracle.class,
+            ImmutableList.of(DataType.TIMESTAMPTZ),
+            RdbEngineDb2.class,
+            ImmutableList.of(DataType.BLOB)));
   }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseMultiplePartitionKeyIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseMultiplePartitionKeyIntegrationTest.java
@@ -88,13 +88,16 @@ protected Column<?> getColumnWithMaxValue(String columnName, DataType dataType)
   protected List<DataType> getDataTypes() {
     // TIMESTAMP WITH TIME ZONE type cannot be used as a primary key in Oracle
     // FLOAT and DOUBLE types cannot be used as partition key in Yugabyte
+    // BLOB type cannot be used as a partition key in Db2
     return JdbcTestUtils.filterDataTypes(
         super.getDataTypes(),
         rdbEngine,
         ImmutableMap.of(
             RdbEngineOracle.class,
             ImmutableList.of(DataType.TIMESTAMPTZ),
             RdbEngineYugabyte.class,
-            ImmutableList.of(DataType.FLOAT, DataType.DOUBLE)));
+            ImmutableList.of(DataType.FLOAT, DataType.DOUBLE),
+            RdbEngineDb2.class,
+            ImmutableList.of(DataType.BLOB)));
   }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseSecondaryIndexIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseSecondaryIndexIntegrationTest.java
@@ -1,12 +1,17 @@
 package com.scalar.db.storage.jdbc;
 
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Sets;
 import com.scalar.db.api.DistributedStorageSecondaryIndexIntegrationTestBase;
 import com.scalar.db.config.DatabaseConfig;
 import com.scalar.db.io.Column;
 import com.scalar.db.io.DataType;
 import com.scalar.db.util.TestUtils;
+import java.util.Arrays;
 import java.util.Properties;
 import java.util.Random;
+import java.util.Set;
 
 public class JdbcDatabaseSecondaryIndexIntegrationTest
     extends DistributedStorageSecondaryIndexIntegrationTestBase {
@@ -68,4 +73,14 @@ protected Column<?> getColumnWithMaxValue(String columnName, DataType dataType)
     }
     return super.getColumnWithMaxValue(columnName, dataType);
   }
+
+  @Override
+  protected Set<DataType> getSecondaryIndexTypes() {
+    // BLOB type cannot be used as a secondary index in Db2
+    return Sets.newHashSet(
+        JdbcTestUtils.filterDataTypes(
+            Arrays.asList(DataType.values()),
+            rdbEngine,
+            ImmutableMap.of(RdbEngineDb2.class, ImmutableList.of(DataType.BLOB))));
+  }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseSingleClusteringKeyScanIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseSingleClusteringKeyScanIntegrationTest.java
@@ -70,9 +70,14 @@ protected Column<?> getColumnWithMaxValue(String columnName, DataType dataType)
   @Override
   protected List<DataType> getClusteringKeyTypes() {
     // TIMESTAMP WITH TIME ZONE type cannot be used as a primary key in Oracle
+    // BLOB type cannot be used as a clustering key in Db2
     return JdbcTestUtils.filterDataTypes(
         super.getClusteringKeyTypes(),
         rdbEngine,
-        ImmutableMap.of(RdbEngineOracle.class, ImmutableList.of(DataType.TIMESTAMPTZ)));
+        ImmutableMap.of(
+            RdbEngineOracle.class,
+            ImmutableList.of(DataType.TIMESTAMPTZ),
+            RdbEngineDb2.class,
+            ImmutableList.of(DataType.BLOB)));
   }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseSinglePartitionKeyIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcDatabaseSinglePartitionKeyIntegrationTest.java
@@ -71,13 +71,16 @@ protected Column<?> getColumnWithMaxValue(String columnName, DataType dataType)
   protected List<DataType> getPartitionKeyTypes() {
     // TIMESTAMP WITH TIME ZONE type cannot be used as a primary key in Oracle
     // FLOAT and DOUBLE types cannot be used as partition key in Yugabyte
+    // BLOB type cannot be used as a partition key in Db2
     return JdbcTestUtils.filterDataTypes(
         super.getPartitionKeyTypes(),
         rdbEngine,
         ImmutableMap.of(
             RdbEngineOracle.class,
             ImmutableList.of(DataType.TIMESTAMPTZ),
             RdbEngineYugabyte.class,
-            ImmutableList.of(DataType.FLOAT, DataType.DOUBLE)));
+            ImmutableList.of(DataType.FLOAT, DataType.DOUBLE),
+            RdbEngineDb2.class,
+            ImmutableList.of(DataType.BLOB)));
   }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/jdbc/SingleCrudOperationTransactionAdminIntegrationTestWithJdbcDatabase.java b/core/src/integration-test/java/com/scalar/db/storage/jdbc/SingleCrudOperationTransactionAdminIntegrationTestWithJdbcDatabase.java
@@ -106,8 +106,8 @@ public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentExcept
   }
 
   @Override
-  protected boolean isCreateIndexOnTextAndBlobColumnsEnabled() {
-    // "admin.createIndex()" for TEXT and BLOB columns fails (the "create index" query runs
+  protected boolean isCreateIndexOnTextColumnEnabled() {
+    // "admin.createIndex()" for TEXT column fails (the "create index" query runs
     // indefinitely) on the Db2 community edition docker version which we use for the CI.
     // However, the index creation is successful on Db2 hosted on IBM Cloud.
     // So we disable these tests until the issue with the Db2 community edition is resolved.
@@ -164,4 +164,9 @@ public void renameColumn_Db2_ForPrimaryOrIndexKeyColumn_ShouldThrowUnsupportedOp
       admin.dropTable(namespace1, TABLE4, true);
     }
   }
+
+  @Override
+  protected boolean isIndexOnBlobColumnSupported() {
+    return !JdbcTestUtils.isDb2(rdbEngine);
+  }
 }
diff --git a/core/src/integration-test/java/com/scalar/db/transaction/jdbc/JdbcTransactionAdminIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/transaction/jdbc/JdbcTransactionAdminIntegrationTest.java
@@ -173,8 +173,8 @@ public void dropCoordinatorTables_IfExist_CoordinatorTablesDoNotExist_ShouldNotT
   }
 
   @Override
-  protected boolean isCreateIndexOnTextAndBlobColumnsEnabled() {
-    // "admin.createIndex()" for TEXT and BLOB columns fails (the "create index" query runs
+  protected boolean isCreateIndexOnTextColumnEnabled() {
+    // "admin.createIndex()" for TEXT column fails (the "create index" query runs
     // indefinitely) on the Db2 community edition docker version which we use for the CI.
     // However, the index creation is successful on Db2 hosted on IBM Cloud.
     // So we disable these tests until the issue with the Db2 community edition is resolved.
@@ -231,4 +231,9 @@ public void renameColumn_Db2_ForPrimaryOrIndexKeyColumn_ShouldThrowUnsupportedOp
       admin.dropTable(namespace1, TABLE4, true);
     }
   }
+
+  @Override
+  protected boolean isIndexOnBlobColumnSupported() {
+    return !JdbcTestUtils.isDb2(rdbEngine);
+  }
 }
diff --git a/core/src/main/java/com/scalar/db/common/CoreError.java b/core/src/main/java/com/scalar/db/common/CoreError.java
@@ -742,6 +742,18 @@ public enum CoreError implements ScalarDbError {
       "The TIMESTAMP type is not supported in Cassandra. Column: %s",
       "",
       ""),
+  JDBC_DB2_INDEX_OR_KEY_ON_BLOB_COLUMN_NOT_SUPPORTED(
+      Category.USER_ERROR,
+      "0228",
+      "With Db2, using a BLOB column as partition key, clustering key or secondary index is not supported.",
+      "",
+      ""),
+  JDBC_DB2_CROSS_PARTITION_SCAN_ORDERING_ON_BLOB_COLUMN_NOT_SUPPORTED(
+      Category.USER_ERROR,
+      "0229",
+      "With Db2, setting an ordering on a BLOB column when using a cross partition scan operation is not supported. Ordering: %s",
+      "",
+      ""),
 
   //
   // Errors for the concurrency error category
diff --git a/core/src/main/java/com/scalar/db/common/checker/OperationChecker.java b/core/src/main/java/com/scalar/db/common/checker/OperationChecker.java
@@ -159,7 +159,7 @@ private void check(ScanAll scanAll) throws ExecutionException {
       throw new IllegalArgumentException(
           CoreError.OPERATION_CHECK_ERROR_CROSS_PARTITION_SCAN_ORDERING.buildMessage(scanAll));
     }
-    checkOrderings(scanAll, metadata);
+    checkOrderingsForScanAll(scanAll, metadata);
 
     if (!config.isCrossPartitionScanFilteringEnabled() && !scanAll.getConjunctions().isEmpty()) {
       throw new IllegalArgumentException(
@@ -258,7 +258,7 @@ private void checkOrderings(Scan scan, TableMetadata metadata) {
     }
   }
 
-  private void checkOrderings(ScanAll scanAll, TableMetadata metadata) {
+  protected void checkOrderingsForScanAll(ScanAll scanAll, TableMetadata metadata) {
     for (Scan.Ordering ordering : scanAll.getOrderings()) {
       if (!metadata.getColumnNames().contains(ordering.getColumnName())) {
         throw new IllegalArgumentException(
diff --git a/core/src/main/java/com/scalar/db/storage/jdbc/JdbcDatabase.java b/core/src/main/java/com/scalar/db/storage/jdbc/JdbcDatabase.java
@@ -59,8 +59,8 @@ public JdbcDatabase(DatabaseConfig databaseConfig) {
     TableMetadataManager tableMetadataManager =
         new TableMetadataManager(jdbcAdmin, databaseConfig.getMetadataCacheExpirationTimeSecs());
     OperationChecker operationChecker =
-        new OperationChecker(
-            databaseConfig, tableMetadataManager, new StorageInfoProvider(jdbcAdmin));
+        new JdbcOperationChecker(
+            databaseConfig, tableMetadataManager, new StorageInfoProvider(jdbcAdmin), rdbEngine);
 
     jdbcService =
         new JdbcService(
diff --git a/core/src/main/java/com/scalar/db/storage/jdbc/JdbcOperationChecker.java b/core/src/main/java/com/scalar/db/storage/jdbc/JdbcOperationChecker.java
@@ -0,0 +1,29 @@
+package com.scalar.db.storage.jdbc;
+
+import com.scalar.db.api.ScanAll;
+import com.scalar.db.api.TableMetadata;
+import com.scalar.db.common.StorageInfoProvider;
+import com.scalar.db.common.TableMetadataManager;
+import com.scalar.db.common.checker.OperationChecker;
+import com.scalar.db.config.DatabaseConfig;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
+public class JdbcOperationChecker extends OperationChecker {
+  private final RdbEngineStrategy rdbEngine;
+
+  @SuppressFBWarnings("EI_EXPOSE_REP2")
+  public JdbcOperationChecker(
+      DatabaseConfig config,
+      TableMetadataManager tableMetadataManager,
+      StorageInfoProvider storageInfoProvider,
+      RdbEngineStrategy rdbEngine) {
+    super(config, tableMetadataManager, storageInfoProvider);
+    this.rdbEngine = rdbEngine;
+  }
+
+  @Override
+  protected void checkOrderingsForScanAll(ScanAll scanAll, TableMetadata metadata) {
+    super.checkOrderingsForScanAll(scanAll, metadata);
+    rdbEngine.throwIfCrossPartitionScanOrderingOnBlobColumnNotSupported(scanAll, metadata);
+  }
+}
diff --git a/core/src/main/java/com/scalar/db/storage/jdbc/RdbEngineDb2.java b/core/src/main/java/com/scalar/db/storage/jdbc/RdbEngineDb2.java
@@ -6,6 +6,8 @@
 import com.google.common.collect.ImmutableMap;
 import com.ibm.db2.jcc.DB2BaseDataSource;
 import com.scalar.db.api.LikeExpression;
+import com.scalar.db.api.Scan.Ordering;
+import com.scalar.db.api.ScanAll;
 import com.scalar.db.api.TableMetadata;
 import com.scalar.db.common.CoreError;
 import com.scalar.db.exception.storage.ExecutionException;
@@ -31,6 +33,7 @@
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import javax.annotation.Nullable;
@@ -64,7 +67,7 @@ public String getDataTypeForEngine(DataType scalarDbDataType) {
       case BIGINT:
         return "BIGINT";
       case BLOB:
-        return "VARBINARY(32672)";
+        return "BLOB(2G)";
       case BOOLEAN:
         return "BOOLEAN";
       case FLOAT:
@@ -352,7 +355,8 @@ public String getDataTypeForKey(DataType dataType) {
       case TEXT:
         return "VARCHAR(" + keyColumnSize + ") NOT NULL";
       case BLOB:
-        return "VARBINARY(" + keyColumnSize + ") NOT NULL";
+        throw new UnsupportedOperationException(
+            CoreError.JDBC_DB2_INDEX_OR_KEY_ON_BLOB_COLUMN_NOT_SUPPORTED.buildMessage());
       default:
         return getDataTypeForEngine(dataType) + " NOT NULL";
     }
@@ -365,7 +369,8 @@ public String getDataTypeForSecondaryIndex(DataType dataType) {
       case TEXT:
         return "VARCHAR(" + keyColumnSize + ")";
       case BLOB:
-        return "VARBINARY(" + keyColumnSize + ")";
+        throw new UnsupportedOperationException(
+            CoreError.JDBC_DB2_INDEX_OR_KEY_ON_BLOB_COLUMN_NOT_SUPPORTED.buildMessage());
       default:
         return null;
     }
@@ -518,4 +523,19 @@ private String getProjection(String columnName, DataType dataType) {
     }
     return enclose(columnName);
   }
+
+  @Override
+  public void throwIfCrossPartitionScanOrderingOnBlobColumnNotSupported(
+      ScanAll scanAll, TableMetadata metadata) {
+    Optional<Ordering> orderingOnBlobColumn =
+        scanAll.getOrderings().stream()
+            .filter(
+                ordering -> metadata.getColumnDataType(ordering.getColumnName()) == DataType.BLOB)
+            .findFirst();
+    if (orderingOnBlobColumn.isPresent()) {
+      throw new UnsupportedOperationException(
+          CoreError.JDBC_DB2_CROSS_PARTITION_SCAN_ORDERING_ON_BLOB_COLUMN_NOT_SUPPORTED
+              .buildMessage(orderingOnBlobColumn.get()));
+    }
+  }
 }
diff --git a/core/src/main/java/com/scalar/db/storage/jdbc/RdbEngineStrategy.java b/core/src/main/java/com/scalar/db/storage/jdbc/RdbEngineStrategy.java
@@ -1,6 +1,7 @@
 package com.scalar.db.storage.jdbc;
 
 import com.scalar.db.api.LikeExpression;
+import com.scalar.db.api.ScanAll;
 import com.scalar.db.api.TableMetadata;
 import com.scalar.db.exception.storage.ExecutionException;
 import com.scalar.db.io.DataType;
@@ -283,4 +284,16 @@ default void setConnectionToReadOnly(Connection connection, boolean readOnly)
       throws SQLException {
     connection.setReadOnly(readOnly);
   }
+
+  /**
+   * Throws an exception if a cross-partition scan operation with ordering on a blob column is
+   * specified and is not supported in the underlying storage.
+   *
+   * @param scanAll the ScanAll operation
+   * @param metadata the table metadata
+   * @throws UnsupportedOperationException if the ScanAll operation contains an ordering on a blob
+   *     column, and it is not supported in the underlying storage
+   */
+  default void throwIfCrossPartitionScanOrderingOnBlobColumnNotSupported(
+      ScanAll scanAll, TableMetadata metadata) {}
 }
diff --git a/core/src/test/java/com/scalar/db/common/checker/OperationCheckerTest.java b/core/src/test/java/com/scalar/db/common/checker/OperationCheckerTest.java
diff --git a/core/src/test/java/com/scalar/db/storage/jdbc/JdbcAdminTestBase.java b/core/src/test/java/com/scalar/db/storage/jdbc/JdbcAdminTestBase.java
diff --git a/core/src/test/java/com/scalar/db/storage/jdbc/JdbcOperationCheckerTest.java b/core/src/test/java/com/scalar/db/storage/jdbc/JdbcOperationCheckerTest.java
diff --git a/core/src/test/java/com/scalar/db/storage/jdbc/RdbEngineDb2Test.java b/core/src/test/java/com/scalar/db/storage/jdbc/RdbEngineDb2Test.java
diff --git a/integration-test/src/main/java/com/scalar/db/api/DistributedStorageAdminIntegrationTestBase.java b/integration-test/src/main/java/com/scalar/db/api/DistributedStorageAdminIntegrationTestBase.java
diff --git a/integration-test/src/main/java/com/scalar/db/api/DistributedStorageCrossPartitionScanIntegrationTestBase.java b/integration-test/src/main/java/com/scalar/db/api/DistributedStorageCrossPartitionScanIntegrationTestBase.java
diff --git a/integration-test/src/main/java/com/scalar/db/api/DistributedTransactionAdminIntegrationTestBase.java b/integration-test/src/main/java/com/scalar/db/api/DistributedTransactionAdminIntegrationTestBase.java

Original file line number	Diff line number	Diff line change
`@@ -122,8 +122,8 @@ public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentExcept`
`122`	`122`	`}`
`123`	`123`
`124`	`124`	`@Override`
`125`		`- protected boolean isCreateIndexOnTextAndBlobColumnsEnabled() {`
`126`		`- // "admin.createIndex()" for TEXT and BLOB columns fails (the "create index" query runs`
	`125`	`+ protected boolean isCreateIndexOnTextColumnEnabled() {`
	`126`	`+ // "admin.createIndex()" for TEXT column fails (the "create index" query runs`
`127`	`127`	`// indefinitely) on the Db2 community edition docker version which we use for the CI.`
`128`	`128`	`// However, the index creation is successful on Db2 hosted on IBM Cloud.`
`129`	`129`	`// So we disable these tests until the issue with the Db2 community edition is resolved.`
`@@ -180,4 +180,9 @@ public void renameColumn_Db2_ForPrimaryOrIndexKeyColumn_ShouldThrowUnsupportedOp`
`180`	`180`	`admin.dropTable(namespace1, TABLE4, true);`
`181`	`181`	`}`
`182`	`182`	`}`
	`183`	`+`
	`184`	`+ @Override`
	`185`	`+ protected boolean isIndexOnBlobColumnSupported() {`
	`186`	`+ return !JdbcTestUtils.isDb2(rdbEngine);`
	`187`	`+ }`
`183`	`188`	`}`
Original file line number	Diff line number	Diff line change
`@@ -106,8 +106,8 @@ public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentExcept`
`106`	`106`	`}`
`107`	`107`
`108`	`108`	`@Override`
`109`		`- protected boolean isCreateIndexOnTextAndBlobColumnsEnabled() {`
`110`		`- // "admin.createIndex()" for TEXT and BLOB columns fails (the "create index" query runs`
	`109`	`+ protected boolean isCreateIndexOnTextColumnEnabled() {`
	`110`	`+ // "admin.createIndex()" for TEXT column fails (the "create index" query runs`
`111`	`111`	`// indefinitely) on Db2 community edition version but works on Db2 hosted on IBM Cloud.`
`112`	`112`	`// So we disable these tests until the issue is resolved.`
`113`	`113`	`return !JdbcTestUtils.isDb2(rdbEngine);`
`@@ -172,4 +172,9 @@ public void renameColumn_Db2_ForPrimaryOrIndexKeyColumn_ShouldThrowUnsupportedOp`
`172`	`172`	`admin.dropTable(getNamespace1(), getTable4(), true);`
`173`	`173`	`}`
`174`	`174`	`}`
	`175`	`+`
	`176`	`+ @Override`
	`177`	`+ protected boolean isIndexOnBlobColumnSupported() {`
	`178`	`+ return !JdbcTestUtils.isDb2(rdbEngine);`
	`179`	`+ }`
`175`	`180`	`}`
Original file line number	Diff line number	Diff line change
`@@ -105,8 +105,8 @@ public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentExcept`
`105`	`105`	`}`
`106`	`106`
`107`	`107`	`@Override`
`108`		`- protected boolean isCreateIndexOnTextAndBlobColumnsEnabled() {`
`109`		`- // "admin.createIndex()" for TEXT and BLOB columns fails (the "create index" query runs`
	`108`	`+ protected boolean isCreateIndexOnTextColumnEnabled() {`
	`109`	`+ // "admin.createIndex()" for TEXT columns fails (the "create index" query runs`
`110`	`110`	`// indefinitely) on Db2 community edition version but works on Db2 hosted on IBM Cloud.`
`111`	`111`	`// So we disable these tests until the issue is resolved.`
`112`	`112`	`return !JdbcTestUtils.isDb2(rdbEngine);`
`@@ -171,4 +171,9 @@ public void renameColumn_Db2_ForPrimaryOrIndexKeyColumn_ShouldThrowUnsupportedOp`
`171`	`171`	`admin.dropTable(getNamespace1(), getTable4(), true);`
`172`	`172`	`}`
`173`	`173`	`}`
	`174`	`+`
	`175`	`+ @Override`
	`176`	`+ protected boolean isIndexOnBlobColumnSupported() {`
	`177`	`+ return !JdbcTestUtils.isDb2(rdbEngine);`
	`178`	`+ }`
`174`	`179`	`}`
Original file line number	Diff line number	Diff line change
`@@ -80,4 +80,9 @@ protected Stream<Arguments> provideColumnsForCNFConditionsTest() {`
`80`	`80`	`}`
`81`	`81`	`return Stream.of(Arguments.of(allColumnNames));`
`82`	`82`	`}`
	`83`	`+`
	`84`	`+ @Override`
	`85`	`+ protected boolean isOrderingOnBlobColumnSupported() {`
	`86`	`+ return !JdbcTestUtils.isDb2(rdbEngine);`
	`87`	`+ }`
`83`	`88`	`}`