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Posted to issues@calcite.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/07/26 04:36:00 UTC

[jira] [Updated] (CALCITE-3214) Add UnionToUnionRule for materialization matching

     [ https://issues.apache.org/jira/browse/CALCITE-3214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated CALCITE-3214:
------------------------------------
    Labels: pull-request-available  (was: )

> Add UnionToUnionRule for materialization matching
> -------------------------------------------------
>
>                 Key: CALCITE-3214
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3214
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: jin xing
>            Priority: Major
>              Labels: pull-request-available
>
> Below materialization matching fails now
> {code:java}
>   @Test public void testDEV() {
>     String sql0 = "select * from \"emps\" where \"empid\" < 300";
>     String sql1 = "select * from \"emps\" where \"empid\" > 200";
>     checkMaterialize(sql0 + " union all " + sql1, sql1 + " union all " + sql0);
>   }
> {code}
> This issue proposes to add a rule for union matching



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