GH-3172: do not drop blocks with some null values if DictionaryFilter is applied for UserDefinedPredicate which keeps null values
#3173
+24
−0
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… `UserDefinedPredicate` which keeps null values
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Thanks for the fix! I think it looks good. cc @gszadovszky |
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Rationale for this change
Fix for #3172
What changes are included in this PR?
Adding an explicit check for the existence of null values in the block if 'UserDefinedPredicate' accepts nulls. If null values exist and the predicate accepts nulls, the block cannot be dropped.
Are these changes tested?
Yes, a new test was created.
Are there any user-facing changes?
No.
Closes #3172