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https://issues.apache.org/jira/browse/CALCITE-1849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-1849:
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Description:
RelToSqlConverter does not currently support sub-queries (RexSubQuery), but it
should.
SqlToRelConverter, in the default configuration, converts sub-queries into Join
clause. But when SqlToRelConverter.Config.expand = false, it does not convert
them to Join. And that causes problems because RelToSqlConverter cannot handle
them.
was:
In SqltoRelConvert, the subquery will be convert into Join clause in default
config.
when SqlToRelConverter.Config.expand = false, subquery will not convert to
Join. and reltosqlconvert is not support subquery.
> SubQuery in not support in reltosql when SqlToRelConverter.Config.expand =
> false
> --------------------------------------------------------------------------------
>
> Key: CALCITE-1849
> URL: https://issues.apache.org/jira/browse/CALCITE-1849
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.12.0
> Reporter: Zhiqiang He
> Assignee: Zhiqiang He
>
> RelToSqlConverter does not currently support sub-queries (RexSubQuery), but
> it should.
> SqlToRelConverter, in the default configuration, converts sub-queries into
> Join clause. But when SqlToRelConverter.Config.expand = false, it does not
> convert them to Join. And that causes problems because RelToSqlConverter
> cannot handle them.
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