Vas Shabu created FLINK-41422:
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Summary: Remove the built-in DEDUPLICATE_KEEP_FIRST process table
function
Key: FLINK-41422
URL: https://issues.apache.org/jira/browse/FLINK-41422
Project: Flink
Issue Type: Improvement
Components: Table SQL / API, Table SQL / Client
Reporter: Vas Shabu
DEDUPLICATE_KEEP_FIRST was added in FLINK-40896. It is being replaced by the
DEDUPLICATE and DEDUPLICATE_WINDOW functions, which cover the same use case, so
the function is removed before it ships in a release.\
Scope:
- Remove the BuiltInFunctionDefinitions entry,
DeduplicateKeepFirstTypeStrategy, and the DeduplicateKeepFirst runtime function.
- Remove its semantic, restore and unit tests, with the restore-test plans and
savepoints.
- Remove the deduplicate-keep-first reference page and the function's row in
the process table functions overview (English and content.zh).
- Remove the function from the ValidationOnlyInputTypeStrategy example in
AGENTS.md.
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