[FLINK-16623] add the shorthand 'desc' for describe on sql client

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.10.0
• Fix Version/s: 1.11.0
• Component/s: Table SQL / Client
• Labels: pull-request-available
• Assignee: Jun Zhang
• Reporter: Jun Zhang
• Due: 17/Mar/20
• Created: 17/Mar/20 00:57
• Updated: 17/Mar/20 06:13
• Resolved: 17/Mar/20 06:13

Description

When get the table schema in the sql client, we can only use the describe command, not the shorthand desc, but the desc command is supported in many sql clients, such as spark, hive, mysql, etc. We should add the desc command in the flink sql client

Issue Links

• links to: GitHub Pull Request #11422