[SPARK-35973] DataSourceV2: Support SHOW CATALOGS

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.3.0
• Component/s: SQL
• Assignee: PengLei
• Reporter: PengLei
• Created: 01/Jul/21 13:41
• Updated: 14/Oct/21 05:04
• Resolved: 14/Oct/21 05:04

Description

Datasource V2 can support multiple catalogs. Having "SHOW CATALOGS" to list the catalogs and corresponding default-namespace info will be useful.

Issue Links

• links to: [Github] Pull Request #33175 (Peng-Lei)
• links to: [Github] Pull Request #34232 (Peng-Lei)
• links to: [Github] Pull Request #34232 (Peng-Lei)