hailong wang created FLINK-15479:
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Summary: Override explainSource method in JDBCTableSource
Key: FLINK-15479
URL: https://issues.apache.org/jira/browse/FLINK-15479
Project: Flink
Issue Type: Improvement
Components: Connectors / JDBC
Affects Versions: 1.9.0
Reporter: hailong wang
Fix For: 1.10.0
JDBCTableSource support project push down, when the final fieldNames is
inconsistent with that in tableSchema, the source's explanation will be wrong.
So we should override explainSource method for it.
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