[CALCITE-3712] Optimize lossless casts in RexSimplify: CAST(CAST(intExpr as BIGINT) as INT) => intExpr

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.21.0
• Fix Version/s: 1.22.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Vladimir Sitnikov
• Reporter: Vladimir Sitnikov
• Created: 06/Jan/20 17:05
• Updated: 13/Jul/20 14:25
• Resolved: 07/Jan/20 17:05

Issue Links

• causes: CALCITE-4118 RexSimplify might remove CAST from RexNode incorrectly
• links to: GitHub Pull Request #1730