[SPARK-57806][SQL] Fix coercion of NullTyped expressions#56927
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eejbyfeldt wants to merge 1 commit into
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[SPARK-57806][SQL] Fix coercion of NullTyped expressions#56927eejbyfeldt wants to merge 1 commit into
eejbyfeldt wants to merge 1 commit into
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What changes were proposed in this pull request?
Instead of replacing the Nulltyped value with a literal a cast is introduced. The optimizer can later constant fold this when that safe to do.
Why are the changes needed?
The current behavior is not safe for expressions that might raise an error as the expression get removed.
Does this PR introduce any user-facing change?
Yes, fixes correctness issue.
How was this patch tested?
Existing a new tests.
Was this patch authored or co-authored using generative AI tooling?
Generated-by: Claude sonnet 4.6