[SPARK-50694][SQL] Support renames in subqueries #49336
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HyukjinKwon
approved these changes
Dec 31, 2024
zhengruifeng
approved these changes
Dec 31, 2024
|
BTW, do we have a list that which dataframe operations are allowed in subqueries? |
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What changes were proposed in this pull request?
Supports renames in subqueries:
sub.toDF(...)sub.alias(...)Why are the changes needed?
When the query is used as a subquery by adding
col.outer(),toDForaliasdoesn't work because they need analyzed plans.Does this PR introduce any user-facing change?
Yes, those APIs are available in subqueries.
How was this patch tested?
Added / modified the related tests.
Was this patch authored or co-authored using generative AI tooling?
No.