Pass empty vectors as min/max for all null pages when building ColumnIndex #6316
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Which issue does this PR close?
Closes #6315.
Rationale for this change
Pages with all null values should write an empty array for min and max to the ColumnIndex. The current behavior is to write one
0byte for each.What changes are included in this PR?
Pass empty vectors to
ColumnIndexBuilder::append.Are there any user-facing changes?
No, since min/max statistics should be ignored for pages with all nulls.