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  1. Spark
  2. SPARK-23486

LookupFunctions should not check the same function name more than once

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.2.1, 2.3.0
    • Fix Version/s: 2.4.0
    • Component/s: SQL
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      Description

      For a query invoking the same function multiple times, the current LookupFunctions rule performs a check for each invocation. For users using Hive metastore as external catalog, this issues unnecessary metastore accesses and can slow down the analysis phase quite a bit.

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              • Assignee:
                kevinyu98 kevin yu
                Reporter:
                lian cheng Cheng Lian
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                • Created:
                  Updated:
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