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  1. Hive
  2. HIVE-4160 Vectorized Query Execution in Hive
  3. HIVE-4575

In place filtering in Not Filter doesn't handle nulls correctly.

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    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Later
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
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      Description

      The FilterNotExpr evaluates the child expression and takes the compliment of the selected vector. Since child expression filters out null values, the compliment includes the nulls in the output. This is incorrect because not(null) = null.

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            • Assignee:
              jnp Jitendra Nath Pandey
              Reporter:
              jnp Jitendra Nath Pandey
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