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[FLINK-40161] Log original MySQL DDL events before parsing #4478

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Merged
lvyanquan merged 1 commit into from
Jul 19, 2026
+18 −0
Merged

[FLINK-40161] Log original MySQL DDL events before parsing #4478

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18 changes: 18 additions & 0 deletions ...-mysql-cdc/src/main/java/io/debezium/connector/mysql/MySqlStreamingChangeEventSource.java
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Original file line number Diff line number Diff line change
Expand Up @@ -652,6 +652,24 @@ protected void handleQueryEvent(
LOGGER.warn(
"Rollback statements cannot be handled without binlog buffering, the connector will fail. Please check '{}' to see how to enable buffering",
MySqlConnectorConfig.BUFFER_SIZE_FOR_BINLOG_READER.name());
} else {
// ROLLBACK is not a DDL event and already has a dedicated warning above.
EventHeader header = event.getHeader();
if (header instanceof EventHeaderV4) {
EventHeaderV4 eventHeader = (EventHeaderV4) header;
LOGGER.info(
"Received MySQL DDL event at {} [{}-{}], database={}, ddl={}",
offsetContext.getSource().binlogFilename(),
eventHeader.getPosition(),
eventHeader.getNextPosition(),
command.getDatabase(),
sql);
} else {
LOGGER.info(
"Received MySQL DDL event, database={}, ddl={}",
command.getDatabase(),
sql);
}
}

final List<SchemaChangeEvent> schemaChangeEvents =
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