[FLINK-22065] Improve the error message when input invalid command in the sql client

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.13.0
• Fix Version/s: 2.0.0
• Component/s: Table SQL / Client
• Labels: auto-deprioritized-major auto-unassigned pull-request-available
• Assignee: Unassigned
• Reporter: Shengkai Fang
• Created: 31/Mar/21 09:32
• Updated: 10/Jul/24 06:57

Description

Issue Links

• links to: GitHub Pull Request #15585