Fix distinct count for DictionaryArray to correctly account for nulls in values array#16258

Merged

blaginin merged 24 commits intoapache:mainfrom

kosiew:count-16228

Jun 9, 2025

Commits on Jun 5, 2025

Add tests
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trigger ci
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Commits on Jun 6, 2025

Update tpch, clickbench, sort_tpch to mark failed queries (#16182)

ding-young
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Adjust slttest to pass without RUST_BACKTRACE enabled (#16251)

alamb
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add more tests where the dict keys are not null but dict values are null
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Revert "add more tests where the dict keys are not null but dict values are null"
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Add tests for count and count_distinct with dictionary arrays containing null values
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Merge branch 'main' into count-16228
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resolve merge conflict, reorder imports
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Add helper function to create dictionary array with non-null keys and null values
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Add test for count_distinct accumulator with dictionary array containing all null values
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add tests to aggregate.rs
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remove redundant comments in get_formatted_results function
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remove redundant safety checks in count distinct dictionary test
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refactor: introduce helper function for output assertion
kosiew
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Commits on Jun 8, 2025

test: add count distinct dictionary handling for null values
kosiew
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