stats: fix row count estimation for null #6203
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/run-all-tests |
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@lamxTyler sqllogic-test failed |
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Please fix the CI. |
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It seems that all plans' is MaxFloat64 so |
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/run-all-tests |
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When building columns stats, null values will only be recorded in
NullCount, so it will be wrong to use the histogram or CM sketch to estimate. For index stats, we should not skip the null values when building the scan range.PTAL @coocood @winoros @zz-jason