[HUDI-3739] Fix handling of the `isNotNull` predicate in Data Skipping#5224

Merged

nsivabalan merged 12 commits intoapache:masterfrom

onehouseinc:ak/dskp-fix

Apr 6, 2022

Commits on Apr 6, 2022

Replaced `_num_nulls` > `_nullCount`
Alexey Kudinkin
committed
Tidying up
Alexey Kudinkin
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Cleaning up tests
Alexey Kudinkin
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Fixed handling of "is not null" filter expression in Data Skipping
Alexey Kudinkin
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Added proper test for "is not null" case
Alexey Kudinkin
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Missing `valueCount` in transposed table
Alexey Kudinkin
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Fixing typo
Alexey Kudinkin
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Fixed `ColumnStatsIndexSupport` to yield just one `valueCount` column per row
Alexey Kudinkin
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Fixing typo
Alexey Kudinkin
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Updated `TestDataSkippingUtils`
Alexey Kudinkin
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Fixed tests;
Alexey Kudinkin
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De-duped constants
Alexey Kudinkin
committed