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yanjing.wang commented on CALCITE-4683: --------------------------------------- Thanks duan, I have simplified the sql case and updated the pr, If you're available, Welcome review. > In-list to join causes field datatypes not matched > -------------------------------------------------- > > Key: CALCITE-4683 > URL: https://issues.apache.org/jira/browse/CALCITE-4683 > Project: Calcite > Issue Type: Bug > Components: core > Affects Versions: 1.26.0, 1.27.0 > Environment: jdk8 > > Reporter: yanjing.wang > Assignee: yanjing.wang > Priority: Major > Labels: pull-request-available > Fix For: 1.30.0 > > Time Spent: 10m > Remaining Estimate: 0h > > The sql query is > {code:java} > SELECT * FROM ( > SELECT '20210101' AS dt, deptno > FROM emp > GROUP BY deptno > ) t > WHERE cast(deptno as varchar) in ('1') > {code} > When Calcite converts the in list to a join, the original leave rel will be > replaced by a new rel, but the new rel hasn't been set as a leave rel, This > will cause mismatched field type. > Finally, the query results java.lang.AssertionError: Conversion to relational > algebra failed to preserve datatypes. -- This message was sent by Atlassian Jira (v8.20.1#820001)