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The following commit(s) were added to refs/heads/master by this push:
     new dd4b7ef4 [improve](cdc) support PostgreSQL regclass CDC type (#658)
dd4b7ef4 is described below

commit dd4b7ef45c1c89070646d5486911dde6995a6f7c
Author: Jiwen liu <[email protected]>
AuthorDate: Tue May 19 14:29:29 2026 +0800

    [improve](cdc) support PostgreSQL regclass CDC type (#658)
---
 .../flink/tools/cdc/postgres/PostgresType.java     |  2 ++
 .../sink/schema/SQLParserSchemaManagerTest.java    | 11 ++++++++
 .../TestJsonDebeziumSchemaChangeImplV2.java        |  6 +++++
 .../flink/tools/cdc/postgres/PostgresTypeTest.java | 31 ++++++++++++++++++++++
 4 files changed, 50 insertions(+)

diff --git 
a/flink-doris-connector/flink-doris-connector-base/src/main/java/org/apache/doris/flink/tools/cdc/postgres/PostgresType.java
 
b/flink-doris-connector/flink-doris-connector-base/src/main/java/org/apache/doris/flink/tools/cdc/postgres/PostgresType.java
index aff07382..bb602cb8 100644
--- 
a/flink-doris-connector/flink-doris-connector-base/src/main/java/org/apache/doris/flink/tools/cdc/postgres/PostgresType.java
+++ 
b/flink-doris-connector/flink-doris-connector-base/src/main/java/org/apache/doris/flink/tools/cdc/postgres/PostgresType.java
@@ -55,6 +55,7 @@ public class PostgresType {
     private static final String VARBIT = "varbit";
     private static final String UUID = "uuid";
     private static final String BYTEA = "bytea";
+    private static final String REGCLASS = "regclass";
     private static final String JSON = "json";
     private static final String JSONB = "jsonb";
     private static final String _INT2 = "_int2";
@@ -127,6 +128,7 @@ public class PostgresType {
             case VARBIT:
             case UUID:
             case BYTEA:
+            case REGCLASS:
                 return DorisType.STRING;
             case JSON:
             case JSONB:
diff --git 
a/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/sink/schema/SQLParserSchemaManagerTest.java
 
b/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/sink/schema/SQLParserSchemaManagerTest.java
index c7b23c18..23eca804 100644
--- 
a/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/sink/schema/SQLParserSchemaManagerTest.java
+++ 
b/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/sink/schema/SQLParserSchemaManagerTest.java
@@ -80,6 +80,17 @@ public class SQLParserSchemaManagerTest {
         }
     }
 
+    @Test
+    public void testParserPostgresAlterDDLsAddRegclass() {
+        String ddl = "ALTER TABLE access_control_device ADD COLUMN relation_id 
regclass";
+        List<String> actualDDLs =
+                schemaManager.parseAlterDDLs(SourceConnector.POSTGRES, ddl, 
dorisTable);
+
+        Assert.assertEquals(1, actualDDLs.size());
+        Assert.assertEquals(
+                "ALTER TABLE `doris`.`tab` ADD COLUMN `relation_id` STRING", 
actualDDLs.get(0));
+    }
+
     @Test
     public void testParserAlterDDLsChange() {
         List<String> expectDDLs = new ArrayList<>();
diff --git 
a/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/sink/writer/serializer/jsondebezium/TestJsonDebeziumSchemaChangeImplV2.java
 
b/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/sink/writer/serializer/jsondebezium/TestJsonDebeziumSchemaChangeImplV2.java
index fc3f6ffb..a5a081be 100644
--- 
a/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/sink/writer/serializer/jsondebezium/TestJsonDebeziumSchemaChangeImplV2.java
+++ 
b/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/sink/writer/serializer/jsondebezium/TestJsonDebeziumSchemaChangeImplV2.java
@@ -386,6 +386,12 @@ public class TestJsonDebeziumSchemaChangeImplV2 extends 
TestJsonDebeziumChangeBa
         JsonNode columns = objectMapper.readTree(columnInfo);
         String dorisTypeName = schemaChange.buildDorisTypeName(columns);
         Assert.assertEquals(dorisTypeName, "VARCHAR(384)");
+
+        columnInfo =
+                
"{\"name\":\"RELATION_ID\",\"jdbcType\":1111,\"nativeType\":null,\"typeName\":\"regclass\",\"typeExpression\":\"regclass\",\"charsetName\":null,\"position\":3,\"optional\":true,\"autoIncremented\":false,\"generated\":false,\"comment\":null}";
+        columns = objectMapper.readTree(columnInfo);
+        dorisTypeName = schemaChange.buildDorisTypeName(columns);
+        Assert.assertEquals(dorisTypeName, "STRING");
     }
 
     @Test
diff --git 
a/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/tools/cdc/postgres/PostgresTypeTest.java
 
b/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/tools/cdc/postgres/PostgresTypeTest.java
new file mode 100644
index 00000000..dec2263a
--- /dev/null
+++ 
b/flink-doris-connector/flink-doris-connector-base/src/test/java/org/apache/doris/flink/tools/cdc/postgres/PostgresTypeTest.java
@@ -0,0 +1,31 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 org.apache.doris.flink.tools.cdc.postgres;
+
+import org.apache.doris.flink.catalog.doris.DorisType;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class PostgresTypeTest {
+    @Test
+    public void regclassTypeTest() {
+        assertEquals(DorisType.STRING, PostgresType.toDorisType("regclass", 
null, null));
+        assertEquals(DorisType.STRING, PostgresType.toDorisType("REGCLASS", 
null, null));
+    }
+}


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