[SPARK-45354][SQL] Resolve functions bottom-up #43146
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peter-toth
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cc @cloud-fan |
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Thanks for the review @cloud-fan! Merged to master. |
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What changes were proposed in this pull request?
This PR proposes bottum-up resolution in
ResolveFunctions, which is much faster (requires less number of resolution rounds) if we have deeply nestedUnresolvedFunctions. These structures are more likely to occur after #42864.Why are the changes needed?
Performance optimization.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
Existing UTs.
Was this patch authored or co-authored using generative AI tooling?
No.