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### What changes were proposed in this pull request? This PR: - Fixes a bug that prevents analysis of: ``` CREATE TEMPORARY VIEW temp_view AS WITH cte AS (SELECT temp_func(0)) SELECT * FROM cte; SELECT * FROM temp_view ``` by throwing: ``` Undefined function: 'temp_func'. This function is neither a registered temporary function nor a permanent function registered in the database 'default'. ``` - and doesn't report analysis error when it should: ``` CREATE TEMPORARY VIEW temp_view AS SELECT 0; CREATE VIEW view_on_temp_view AS WITH cte AS (SELECT * FROM temp_view) SELECT * FROM cte ``` by properly collecting temporary objects from VIEW definitions with CTEs. - Minor refactor to make the affected code more readable. ### Why are the changes needed? To fix a bug introduced with https://github.com/apache/spark/pull/30567 ### Does this PR introduce _any_ user-facing change? Yes, the query works again. ### How was this patch tested? Added new UT + existing ones. Closes #31550 from peter-toth/SPARK-34421-temp-functions-in-views-with-cte. Authored-by: Peter Toth <peter.toth@gmail.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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