[FLINK-19883] Support "IF EXISTS" in DDL for ALTER TABLE

• Type: Sub-task
• Status: Closed
• Priority: Not a Priority
• Resolution: Implemented
• Affects Version/s: 1.11.2
• Fix Version/s: 1.17.0
• Component/s: Table SQL / API
• Labels: pull-request-available stale-assigned
• Assignee: Jane Chan
• Reporter: Ingo Bürk
• Created: 29/Oct/20 10:24
• Updated: 15/Jan/23 09:57
• Resolved: 15/Jan/23 09:57

Description

ALTER TABLE does not seem to support the "IF EXISTS" part in the DDL, but the corresponding methods Catalog#renameTable and Catalog#alterTable do support it.

Issue Links

• links to: GitHub Pull Request #17155
• links to: GitHub Pull Request #21640