Yunhong Zheng created FLINK-33085:
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Summary: Improve the error message when the invalidate
lookupTableSource without primary key is used as temporal join table
Key: FLINK-33085
URL: https://issues.apache.org/jira/browse/FLINK-33085
Project: Flink
Issue Type: Improvement
Components: Table SQL / Planner
Affects Versions: 1.19.0
Reporter: Yunhong Zheng
Fix For: 1.19.0
Improve the error message when the invalidate lookupTableSource without primary
key is used as temporal join table. This pr can check the legality of
temporary table join syntax in sqlToRel phase and make the thrown error clearer.
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