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Zhiqiang He edited comment on CALCITE-1849 at 8/7/17 4:50 AM: -------------------------------------------------------------- [~julianhyde] I'm already add instance for RexSubQuery and RexCall. but the rexnode of exists and scalar_query is always RexSubQuery . and the rexnode of NOT expression is always RexCall instance. so I can not test for the else branch. they will in default branch of switch-case expression. was (Author: ransom): I'm already add instance for RexSubQuery and RexCall. but the rexnode of exists and scalar_query is always RexSubQuery . and the rexnode of NOT expression is always RexCall instance. so I can not test for the else branch. they will in default branch of switch-case expression. > Support sub-queries (RexSubQuery) in RelToSqlConverter > ------------------------------------------------------ > > 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. -- This message was sent by Atlassian JIRA (v6.4.14#64029)