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https://issues.apache.org/jira/browse/CALCITE-6431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-6431:
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Labels: pull-request-available (was: )
> Implement the SINGLE_VALUE aggregation in HiveSqlDialect And SparkSQLDialect
> ----------------------------------------------------------------------------
>
> Key: CALCITE-6431
> URL: https://issues.apache.org/jira/browse/CALCITE-6431
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.37.0
> Reporter: xiong duan
> Assignee: xiong duan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.38.0
>
>
> When we use the SQL including the scalar query, converting this SQL Rel to
> HiveSQL will include the SINGLE_VALUE aggregation function(HiveSQL can't
> handle it) in the dialect SQL.
> In this PR, I will add identifier Quote String for Spark and Hive, Here is
> the document:
> * [https://spark.apache.org/docs/latest/sql-ref-identifier.html]
> *
> [https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.support.quoted.identifiers]
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