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https://issues.apache.org/jira/browse/CALCITE-7929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-7929:
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Labels: pull-request-available (was: )
> RelDecorrelator replaces an uncorrelated EXISTS with TRUE when the query also
> has a correlated sub-query
> --------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-7929
> URL: https://issues.apache.org/jira/browse/CALCITE-7929
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Mihai Budiu
> Assignee: Mihai Budiu
> Priority: Minor
> Labels: pull-request-available
>
> {code:java}
> CREATE TABLE s(x INT);
> CREATE TABLE t(y INT);
> CREATE VIEW V AS SELECT x,
> EXISTS(SELECT 1 FROM t WHERE y > 5) AS e, -- becomes the constant
> TRUE
> EXISTS(SELECT 1 FROM t WHERE t.y = s.x) AS ec -- the correlated
> subquery starts "Decorrelate"
> FROM s; {code}
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