[SPARK-51842][SQL] Remove unnecessary judgement from fillDefaultValue #50633
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beliefer
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ping @cloud-fan cc @viirya |
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LGTM barring merge conflicts. |
# Conflicts: # sql/core/src/main/scala/org/apache/spark/sql/execution/window/WindowFunctionFrame.scala
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May 1, 2025
| @@ -123,10 +123,7 @@ abstract class OffsetWindowFunctionFrameBase( | |||
| protected val fillDefaultValue = { | |||
| // Collect the expressions and bind them. | |||
| val boundExpressions = Seq.fill(ordinal)(NoOp) ++ expressions.toImmutableArraySeq.map { e => | |||
| if (e.default == null) { | |||
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It's not clear to me why this is not possible to happen, and I don't think it's worth the time to figure it out. This null check doesn't hurt at all.
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Got it. Maybe there is a chance in future. Let's hold this PR.
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What changes were proposed in this pull request?
This PR aims to remove unnecessary judgement from
fillDefaultValue.Why are the changes needed?
Currently, there is a judgement
e.default == nullwhile declaringfillDefaultValue.After an investigation, there should not be a value of primitive type here. It might be a literal null even if users specify null as the default value.
Does this PR introduce any user-facing change?
'No'.
How was this patch tested?
GA.
Was this patch authored or co-authored using generative AI tooling?
No.