HIVE-29503: Use the fallback of half the number of rows when estimating the join product row count with an NDV of 0#6356

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Commits on Mar 12, 2026

HIVE-29503: Use the fallback of half the number of rows when estimating the join product row count with an NDV of 0
konstantinb
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HIVE-29503: trying to trigger the fallback logic differently
konstantinb
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Commits on Mar 13, 2026

HIVE-29503: don't trigger "NDV==0 fallback" on empty or super small tables
konstantinb
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