[FLINK-3735] Embedded SQL union should fail during translation

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Fix Version/s: 1.1.0
• Component/s: Table SQL / API
• Assignee: Vasia Kalavri
• Reporter: Vasia Kalavri
• Created: 11/Apr/16 17:57
• Updated: 13/Apr/16 10:41
• Resolved: 13/Apr/16 10:41

Description

The Table API currently only supports union all and embedded SQL queries translate both union and union all to union all. We should only generate a valid plan for union all.