[CALCITE-2344] Avoid inferring $0=null predicate from $0 IS NULL when… … $0 is not nullable

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.19.0
• Assignee: Laurent Goujon
• Reporter: Laurent Goujon
• Created: 31/May/18 03:29
• Updated: 25/Mar/19 00:11
• Resolved: 09/Jan/19 05:55

Description

RexUtil might incorrectly infer a  $0 IS NULL predicate even in case $0 is not nullable. This might cause assertion errors afterwards.

Issue Links

• links to: Pull Request