hql0312 created FLINK-40385:
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Summary: Optimize efficiency issues of PostgreSQL during the full
snapshot phase.- #4506
Key: FLINK-40385
URL: https://issues.apache.org/jira/browse/FLINK-40385
Project: Flink
Issue Type: Improvement
Components: Flink CDC
Reporter: hql0312
When fetching snapshot data, refreshSchema is executed to retrieve data of
subscribed tables. This refresh operation has already been invoked via refresh
within PostgresSourceFetchTaskContext.configure
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