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https://issues.apache.org/jira/browse/IGNITE-15585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Daschinsky reassigned IGNITE-15585:
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Assignee: Ivan Daschinsky
> Calcite. Unexpected result with EXIST and subquery.
> ---------------------------------------------------
>
> Key: IGNITE-15585
> URL: https://issues.apache.org/jira/browse/IGNITE-15585
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Reporter: Evgeny Stanilovsky
> Assignee: Ivan Daschinsky
> Priority: Major
> Labels: calcite, calcite2-required, calcite3-required, ignite-3
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {noformat}
> statement ok
> CREATE TABLE integers(i INTEGER)
> statement ok
> INSERT INTO integers VALUES (1), (2), (3), (NULL)
> query IT
> SELECT i, EXISTS(SELECT i FROM integers WHERE i=i1.i) FROM integers i1 ORDER
> BY i NULLS FIRST;
> ----
> NULL false
> 1 true
> 2 true
> 3 true
> {noformat}
> {noformat}
> /subquery/exists/test_correlated_exists.test[_ignore]
> {noformat}
> {noformat}
> statement ok
> CREATE TABLE integers(i INTEGER)
> statement ok
> INSERT INTO integers VALUES (1), (2), (3), (NULL)
> # SUM on exists
> query R
> SELECT SUM(CASE WHEN EXISTS(SELECT i FROM integers WHERE i=i1.i) THEN 1 ELSE
> 0 END) FROM integers i1;
> ----
> 3.000000
> {noformat}
> checked with mysql, all ok there.
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