[FLINK-4655] Add tests for validation of Expressions

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.4.0
• Component/s: Table SQL / API
• Assignee: Unassigned
• Reporter: Timo Walther
• Created: 21/Sep/16 13:17
• Updated: 27/Apr/21 18:07
• Resolved: 16/Nov/17 11:01

Description

Currently, it is only tested if Table API expressions work if the input is correct. The validation method of expressions is not tested. The ExpressionTestBase should be extended to provide means to also test invalid expressions.