[FLINK-20977] USE DATABASE & USE CATALOG fails with quoted identifiers containing characters to be escaped in Flink SQL client

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.12.0
• Fix Version/s: 1.12.3
• Component/s: Table SQL / Client
• Labels: pull-request-available
• Assignee: Jark Wu
• Reporter: Jun Zhang
• Created: 14/Jan/21 11:01
• Updated: 16/Mar/21 12:00
• Resolved: 16/Mar/21 12:00

Description

I have a database which name is mod, when I use `use mod` to switch to the db,the system throw an exception, I surround it with backticks ,it is still not well

Issue Links

• duplicates: FLINK-21494 Could not execute statement 'USE `default`' in Flink SQL client
• duplicates: FLINK-21572 USE DATABASE & USE CATALOG fails with quoted identifiers containing characters to be escaped in Flink SQL client.
• links to: GitHub Pull Request #14725
• links to: GitHub Pull Request #15226