[jira] [Assigned] (SPARK-23486) LookupFunctions should not check the same function name more than once

[Apache Spark (JIRA)]

 [ 
https://issues.apache.org/jira/browse/SPARK-23486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-23486:


Assignee: (was: Apache Spark)

> LookupFunctions should not check the same function name more than once
> --
>
> Key: SPARK-23486
> URL: https://issues.apache.org/jira/browse/SPARK-23486
> Project: Spark
>  Issue Type: Bug
>  Components: SQL
>Affects Versions: 2.2.1, 2.3.0
>Reporter: Cheng Lian
>Priority: Major
>  Labels: starter
>
> 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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[jira] [Assigned] (SPARK-23486) LookupFunctions should not check the same function name more than once

[Apache Spark (JIRA)]

 [ 
https://issues.apache.org/jira/browse/SPARK-23486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-23486:


Assignee: Apache Spark

> LookupFunctions should not check the same function name more than once
> --
>
> Key: SPARK-23486
> URL: https://issues.apache.org/jira/browse/SPARK-23486
> Project: Spark
>  Issue Type: Bug
>  Components: SQL
>Affects Versions: 2.2.1, 2.3.0
>Reporter: Cheng Lian
>Assignee: Apache Spark
>Priority: Major
>  Labels: starter
>
> 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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