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.
Attachments
Issue Links
- is caused by
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SPARK-19737 New analysis rule for reporting unregistered functions without relying on relation resolution
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- Resolved
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- links to
