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Posted to issues@calcite.apache.org by "Liya Fan (Jira)" <ji...@apache.org> on 2020/11/02 02:53:00 UTC
[jira] [Commented] (CALCITE-4364) "a in (1, 2) and a = 1" should be
simplified to "a=1"
[ https://issues.apache.org/jira/browse/CALCITE-4364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17224405#comment-17224405 ]
Liya Fan commented on CALCITE-4364:
-----------------------------------
[~julianhyde] Thanks for your suggestion. I am working on a patch based on the PR for CALCITE-4352.
> "a in (1, 2) and a = 1" should be simplified to "a=1"
> -----------------------------------------------------
>
> Key: CALCITE-4364
> URL: https://issues.apache.org/jira/browse/CALCITE-4364
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.26.0
> Reporter: Danny Chen
> Priority: Major
> Fix For: 1.27.0
>
>
> Check this test in {{RexProgramTest}}:
> {code:java}
> @Test void testSimplifyInAnd() {
> // deptno in (20, 10) and deptno = 10
> // ==>
> // deptno = 10
> final RexNode e =
> and(
> in(vInt(), literal(20), literal(10)),
> eq(vInt(), literal(10)));
> checkSimplify(e, "=(?0.int0, 10)");
> }
> {code}
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