Ruan Hang created FLINK-36784:
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Summary: Support to add metadata columns for data in the meta
fields of DataChangeEvent at transform
Key: FLINK-36784
URL: https://issues.apache.org/jira/browse/FLINK-36784
Project: Flink
Issue Type: New Feature
Components: Flink CDC
Affects Versions: cdc-3.2.1
Reporter: Ruan Hang
Assignee: Ruan Hang
Fix For: cdc-3.3.0
Flink CDC supports to use some metadata columns in transform, which includes as
follows.
||Field||Data Type||Description||
|*namespace_name*|String|Name of the namespace that contains the row.|
|*schema_name*|String|Name of the schema that contains the row.|
|*table_name*|String|Name of the table that contains the row.|
|*data_event_type*|String|Operation type of data change event.|
These metadata columns are from the tableId or op field in DataChangeEvent.
Some metadata columns are not supported in pipeline connectors, like op_ts.
These metadata is stored in the meta field in DataChangeEvent.
I think we should support to add metadata columns for the meta field in
DataChangeEvent.
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