[Improve][CDC] Filter heartbeat event (#8569)

Author: hailin0

Diff for: seatunnel-connectors-v2/connector-cdc/connector-cdc-base/src/main/java/org/apache/seatunnel/connectors/cdc/debezium/row/DebeziumJsonDeserializeSchema.java

@@ -34,6 +34,8 @@
 import java.util.List;
 import java.util.Map;
 
+import static org.apache.seatunnel.connectors.cdc.base.utils.SourceRecordUtils.isHeartbeatRecord;
+
 @Slf4j
 public class DebeziumJsonDeserializeSchema
         extends AbstractDebeziumDeserializationSchema<SeaTunnelRow> {
@@ -60,9 +62,13 @@ public DebeziumJsonDeserializeSchema(
     @Override
     public void deserialize(SourceRecord record, Collector<SeaTunnelRow> out) throws Exception {
         super.deserialize(record, out);
+        if (!isHeartbeatRecord(record)) {
+            SeaTunnelRow row = deserializationSchema.deserialize(record);
+            out.collect(row);
+            return;
+        }
 
-        SeaTunnelRow row = deserializationSchema.deserialize(record);
-        out.collect(row);
+        log.debug("Unsupported record {}, just skip.", record);
     }
 
     @Override

Diff for: seatunnel-connectors-v2/connector-cdc/connector-cdc-base/src/test/java/org/apache/seatunnel/connectors/cdc/debezium/row/DebeziumJsonDeserializeSchemaTest.java

@@ -0,0 +1,91 @@
+/*
+ * 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.seatunnel.connectors.cdc.debezium.row;
+
+import org.apache.seatunnel.api.source.Collector;
+import org.apache.seatunnel.api.table.type.SeaTunnelRow;
+
+import org.apache.kafka.connect.data.SchemaBuilder;
+import org.apache.kafka.connect.data.Struct;
+import org.apache.kafka.connect.source.SourceRecord;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Collections;
+import java.util.Map;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+public class DebeziumJsonDeserializeSchemaTest {
+    @Test
+    void deserializeNonHeartbeatRecord() throws Exception {
+        Map<String, String> debeziumConfig = Collections.EMPTY_MAP;
+        DebeziumJsonDeserializeSchema schema = new DebeziumJsonDeserializeSchema(debeziumConfig);
+
+        // Create a schema for the record
+        SchemaBuilder schemaBuilder =
+                SchemaBuilder.struct()
+                        .name("test")
+                        .field("field", SchemaBuilder.string().optional().build());
+        Struct struct = new Struct(schemaBuilder.build()).put("field", "value");
+        SourceRecord record =
+                new SourceRecord(
+                        null,
+                        null,
+                        "test",
+                        schemaBuilder.build(),
+                        struct,
+                        schemaBuilder.build(),
+                        struct);
+
+        Collector<SeaTunnelRow> collector = mock(Collector.class);
+        schema.deserialize(record, collector);
+
+        verify(collector, times(1)).collect(any(SeaTunnelRow.class));
+    }
+
+    @Test
+    void skipHeartbeatRecord() throws Exception {
+        Map<String, String> debeziumConfig = Collections.EMPTY_MAP;
+        DebeziumJsonDeserializeSchema schema = new DebeziumJsonDeserializeSchema(debeziumConfig);
+
+        // Create a schema for the record
+        SchemaBuilder schemaBuilder =
+                SchemaBuilder.struct()
+                        .name("io.debezium.connector.common.Heartbeat")
+                        .field("field", SchemaBuilder.string().optional().build());
+        Struct struct = new Struct(schemaBuilder.build()).put("field", "value");
+        SourceRecord record =
+                new SourceRecord(
+                        null,
+                        null,
+                        "test",
+                        schemaBuilder.build(),
+                        struct,
+                        schemaBuilder.build(),
+                        struct);
+
+        Collector<SeaTunnelRow> collector = mock(Collector.class);
+        schema.deserialize(record, collector);
+
+        verify(collector, times(0)).collect(any(SeaTunnelRow.class));
+    }
+}