Yunhong Zheng created FLINK-33064:
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Summary: Improve the error message when the lookup source is used
as the scan source
Key: FLINK-33064
URL: https://issues.apache.org/jira/browse/FLINK-33064
Project: Flink
Issue Type: Improvement
Components: Table SQL / Planner
Affects Versions: 1.18.0
Reporter: Yunhong Zheng
Fix For: 1.19.0
Improve the error message when the lookup source is used as the scan source.
Currently, if we use a source which only implement LookupTableSource but not
implement ScanTableSource, as a scan source, it cannot get a property plan and
give a '
Cannot generate a valid execution plan for the given query' which can be
improved.
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