xiong duan created CALCITE-6431:
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Summary: 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
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.
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