Ramin Gharib created FLINK-40556:
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Summary: Support UUID value literals in the Table API
Key: FLINK-40556
URL: https://issues.apache.org/jira/browse/FLINK-40556
Project: Flink
Issue Type: Sub-task
Reporter: Ramin Gharib
Assignee: Ramin Gharib
A UUID currently has no literal form in the Table API / expression layer.
lit(java.util.UUID) and materializing a UUID column via
TableEnvironment.fromValues(...) fail, because RexBuilder.makeLiteral has no
UUID case — only the SQL parser produces a UUID literal (UUID '...'). A UUID
value therefore has to be produced via CAST(... AS UUID) from a string.
Add UUID to the value-literal path (ValueLiteralExpression →
RexBuilder.makeUuidLiteral) so lit(uuid) and UUID input columns work in the
Table API. Surfaced while writing CastFunctionITCase for FLINK-40487.
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