[FLINK-7572] Improve TableSchema ValidationException message.

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.4, 1.4.0
• Assignee: sunjincheng
• Reporter: sunjincheng
• Created: 04/Sep/17 00:28
• Updated: 12/Mar/18 15:38
• Resolved: 12/Mar/18 15:38

Description

When sql is very complicated(e.g.: more than 100+ tables), the following exception information is very confusing:

org.apache.flink.table.api.TableException: Table column names must be unique. at org.apache.flink.table.api.TableSchema.<init>(TableSchema.scala:36)

Issue Links

• links to: GitHub Pull Request #4640