[CALCITE-5769] Optimizing 'CAST(e AS t) IS NOT NULL' to 'e IS NOT NULL'

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.34.0
• Fix Version/s: 1.35.0
• Component/s: core
• Labels: pull-request-available
• Assignee: xiong duan
• Reporter: xiong duan
• Created: 08/Jun/23 02:26
• Updated: 27/Jul/23 10:22
• Resolved: 10/Jul/23 01:27

Description

According to CALCITE-5156. We should support optimize:

• 'CAST(e AS t) IS NOT NULL' to 'e IS NOT NULL'
• 'CAST(e AS t) IS NULL' to 'e IS NULL'

Issue Links

• links to: GitHub Pull Request #3296