feat(odc): ODC workbench DB2 LUW support — plugin/db-browser/odc-core/service/migrate (Fixes actiontech/dms-ee#839)

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/AbstractDBBrowserFactory.java

@@ -50,6 +50,8 @@ public T create() {
                 return buildForSqlServer();
             case DM:
                 return buildForDm();
+            case DB2:
+                return buildForDB2();
             default:
                 throw new IllegalStateException("Not supported for the type, " + type);
         }
@@ -75,4 +77,6 @@ public T create() {
 
     public abstract T buildForDm();
 
+    public abstract T buildForDB2();
+
 }

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/DBBrowserFactory.java

@@ -27,6 +27,7 @@ public interface DBBrowserFactory<T> {
     String POSTGRESQL = "POSTGRESQL";
     String SQL_SERVER = "SQL_SERVER";
     String DM = "DM";
+    String DB2 = "DB2";
 
     T create();
 

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBMViewEditorFactory.java

@@ -86,6 +86,11 @@ public DBMViewEditor buildForDm() {
         return buildForOracle();
     }
 
+    @Override
+    public DBMViewEditor buildForDB2() {
+        throw new UnsupportedOperationException("DB2 not supported yet");
+    }
+
     private DBTableIndexEditor getMViewIndexEditor() {
         DBMViewIndexEditorFactory indexFactory = new DBMViewIndexEditorFactory();
         indexFactory.setType(this.type);

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBMViewIndexEditorFactory.java

@@ -76,4 +76,9 @@ public DBTableIndexEditor buildForSqlServer() {
     public DBTableIndexEditor buildForDm() {
         return buildForOracle();
     }
+
+    @Override
+    public DBTableIndexEditor buildForDB2() {
+        throw new UnsupportedOperationException("DB2 not supported yet");
+    }
 }

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBObjectOperatorFactory.java

@@ -21,6 +21,7 @@
 import org.springframework.jdbc.core.JdbcTemplate;
 
 import com.oceanbase.tools.dbbrowser.AbstractDBBrowserFactory;
+import com.oceanbase.tools.dbbrowser.editor.db2.Db2ObjectOperator;
 import com.oceanbase.tools.dbbrowser.editor.dm.DmObjectOperator;
 import com.oceanbase.tools.dbbrowser.editor.mysql.MySQLObjectOperator;
 import com.oceanbase.tools.dbbrowser.editor.oracle.OracleObjectOperator;
@@ -86,6 +87,11 @@ public DBObjectOperator buildForDm() {
         return new DmObjectOperator(getJdbcOperations());
     }
 
+    @Override
+    public DBObjectOperator buildForDB2() {
+        return new Db2ObjectOperator(getJdbcOperations());
+    }
+
     private JdbcOperations getJdbcOperations() {
         if (this.jdbcOperations != null) {
             return this.jdbcOperations;

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBSequenceEditorFactory.java

@@ -72,4 +72,9 @@ public DBObjectEditor<DBSequence> buildForDm() {
         return buildForOracle();
     }
 
+    @Override
+    public DBObjectEditor<DBSequence> buildForDB2() {
+        throw new UnsupportedOperationException("DB2 not supported yet");
+    }
+
 }

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBSynonymEditorFactory.java

@@ -72,4 +72,9 @@ public DBObjectEditor<DBSynonym> buildForDm() {
         return buildForOracle();
     }
 
+    @Override
+    public DBObjectEditor<DBSynonym> buildForDB2() {
+        throw new UnsupportedOperationException("DB2 not supported yet");
+    }
+
 }

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBTableColumnEditorFactory.java

@@ -16,6 +16,7 @@
 package com.oceanbase.tools.dbbrowser.editor;
 
 import com.oceanbase.tools.dbbrowser.AbstractDBBrowserFactory;
+import com.oceanbase.tools.dbbrowser.editor.db2.Db2ColumnEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.MySQLColumnEditor;
 import com.oceanbase.tools.dbbrowser.editor.oracle.OracleColumnEditor;
 import com.oceanbase.tools.dbbrowser.editor.sqlserver.SqlServerColumnEditor;
@@ -72,4 +73,13 @@ public DBTableColumnEditor buildForDm() {
         return buildForOracle();
     }
 
+    @Override
+    public DBTableColumnEditor buildForDB2() {
+        // fix_report_20260529_100416 Bug-2 (Issue dms-ee#839): replace the throw with the DB2-native
+        // column editor so ALTER TABLE ... ADD COLUMN / ALTER COLUMN / DROP COLUMN flow on the table
+        // designer compiles into DB2 LUW grammar (per-attribute SET DATA TYPE / SET NOT NULL
+        // sub-actions) instead of throwing on every column edit.
+        return new Db2ColumnEditor();
+    }
+
 }

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBTableConstraintEditorFactory.java

@@ -18,6 +18,7 @@
 import org.apache.commons.lang3.Validate;
 
 import com.oceanbase.tools.dbbrowser.AbstractDBBrowserFactory;
+import com.oceanbase.tools.dbbrowser.editor.db2.Db2ConstraintEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.MySQLConstraintEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.OBMySQLLessThan400ConstraintEditor;
 import com.oceanbase.tools.dbbrowser.editor.oracle.OBOracleLessThan400ConstraintEditor;
@@ -92,4 +93,13 @@ public DBTableConstraintEditor buildForDm() {
         return buildForOracle();
     }
 
+    @Override
+    public DBTableConstraintEditor buildForDB2() {
+        // fix_report_20260529_100416 Bug-2 (Issue dms-ee#839): replace the throw with the DB2-native
+        // constraint editor. Adding / removing PK / UNIQUE on the workbench table designer used to
+        // 500 the entire ALTER TABLE flow because DBTableEditor.generateUpdateObjectDDL invokes
+        // constraintEditor.generateUpdateObjectListDDL unconditionally.
+        return new Db2ConstraintEditor();
+    }
+
 }

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBTableEditorFactory.java

@@ -18,6 +18,7 @@
 import org.apache.commons.lang3.Validate;
 
 import com.oceanbase.tools.dbbrowser.AbstractDBBrowserFactory;
+import com.oceanbase.tools.dbbrowser.editor.db2.Db2TableEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.MySQLTableEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.OBMySQLLessThan400TableEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.OBMySQLTableEditor;
@@ -102,6 +103,18 @@ public DBTableEditor buildForDm() {
         return buildForOracle();
     }
 
+    @Override
+    public DBTableEditor buildForDB2() {
+        // fix_report_20260529_100416 Bug-2 (Issue dms-ee#839): wire DB2-native editors so the table
+        // designer can emit DB2 ALTER TABLE / RENAME TABLE / COMMENT ON TABLE statements instead of
+        // throwing UnsupportedOperationException("DB2 not supported yet") which surfaced as HTTP 500
+        // on every "保存表结构" click in the workbench.
+        return new Db2TableEditor(getTableIndexEditor(),
+                getTableColumnEditor(),
+                getTableConstraintEditor(),
+                getTablePartitionEditor());
+    }
+
     private DBTableIndexEditor getTableIndexEditor() {
         DBTableIndexEditorFactory indexFactory = new DBTableIndexEditorFactory();
         indexFactory.setType(this.type);

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBTableIndexEditorFactory.java

@@ -16,6 +16,7 @@
 package com.oceanbase.tools.dbbrowser.editor;
 
 import com.oceanbase.tools.dbbrowser.AbstractDBBrowserFactory;
+import com.oceanbase.tools.dbbrowser.editor.db2.Db2IndexEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.MySQLNoLessThan5700IndexEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.OBMySQLIndexEditor;
 import com.oceanbase.tools.dbbrowser.editor.oracle.OBOracleIndexEditor;
@@ -79,4 +80,11 @@ public DBTableIndexEditor buildForDm() {
         return buildForOracle();
     }
 
+    @Override
+    public DBTableIndexEditor buildForDB2() {
+        // fix_report_20260529_100416 Bug-2 (Issue dms-ee#839): return Db2IndexEditor which emits
+        // schema-qualified CREATE [UNIQUE] INDEX / DROP INDEX statements per DB2 LUW grammar.
+        return new Db2IndexEditor();
+    }
+
 }

libs/db-browser/src/main/java/com/oceanbase/tools/dbbrowser/editor/DBTablePartitionEditorFactory.java

@@ -18,6 +18,7 @@
 import org.apache.commons.lang3.Validate;
 
 import com.oceanbase.tools.dbbrowser.AbstractDBBrowserFactory;
+import com.oceanbase.tools.dbbrowser.editor.db2.Db2NoOpPartitionEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.MySQLDBTablePartitionEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.OBMySQLDBTablePartitionEditor;
 import com.oceanbase.tools.dbbrowser.editor.mysql.OBMySQLLessThan2277PartitionEditor;
@@ -97,4 +98,14 @@ public DBTablePartitionEditor buildForDm() {
         return buildForOracle();
     }
 
+    @Override
+    public DBTablePartitionEditor buildForDB2() {
+        // fix_report_20260529_100416 Bug-2 (Issue dms-ee#839): return a no-op partition editor so
+        // DBTableEditor.generateUpdateObjectDDL can call partitionEditor.generateUpdateObjectDDL on
+        // an unpartitioned DB2 table without throwing. DB2 partition editing is intentionally out of
+        // scope per expand_odc_db2.md §14 — the no-op emits empty strings, which is the same shape
+        // the SQL Server editor uses for partitions it doesn't manage.
+        return new Db2NoOpPartitionEditor();
+    }
+
 }