[FLINK-27376] Hive dialect supports "select current_database()"

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Implemented
• Labels: pull-request-available
• Assignee: luoyuxia
• Reporter: luoyuxia
• Created: 25/Apr/22 04:19
• Updated: 09/Aug/22 12:19
• Resolved: 14/Jul/22 01:45

Description

Hive supports select current database using the following sql:

select current_database() 

It'll involve Hive's 'GenericUDFCurrentDatabase'in run time, in this udf, it will try to call '

SessionState.get().getCurrentDatabase()', but we has closed the SessionState before excuting.

Issue Links

• links to: GitHub Pull Request #19218