Zoltan Haindrich created CALCITE-2848: -----------------------------------------
Summary: Simplifying a case statement's first branch should disregard its safety Key: CALCITE-2848 URL: https://issues.apache.org/jira/browse/CALCITE-2848 Project: Calcite Issue Type: Improvement Reporter: Zoltan Haindrich Assignee: Zoltan Haindrich Example: a very simple CASE which is not get rewritten because the first condition branch contains an unknown UDF {code:sql} CASE WHEN to_date('2001-11-11') = '2000' THEN true ELSE false END {code} This expression right now retained as is; because the "to_date" was an unknown UDF; but since the first branch of a CASE is always evaluated and that could unlock the rewrite of this case to it's boolean form. -- This message was sent by Atlassian JIRA (v7.6.3#76005)