[ https://issues.apache.org/jira/browse/CALCITE-2344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16496714#comment-16496714 ]
Laurent Goujon commented on CALCITE-2344: ----------------------------------------- Attaching pull request with 2 test cases added to RelOptRulesTests and a possible fix > Wrong constant reduction over windows function > ---------------------------------------------- > > Key: CALCITE-2344 > URL: https://issues.apache.org/jira/browse/CALCITE-2344 > Project: Calcite > Issue Type: Bug > Reporter: Laurent Goujon > Assignee: Laurent Goujon > Priority: Major > > {{RexUtil}} might incorrectly infer a IS NULL predicate would cause a > reference over a window function to return null, but a window function type > is never nullable. -- This message was sent by Atlassian JIRA (v7.6.3#76005)