[IGNITE-21921] Cover SQL E071-01 (Basic query expressions, UNION DISTINCT table operator) feature by tests

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Component/s: sql
• Labels: ignite-3
• Epic Link: SQL Features tests. Phase 1
• Assignee: Evgeny Stanilovsky
• Reporter: Iurii Gerzhedovich
• Created: 03/Apr/24 06:58
• Updated: 16/Apr/24 07:47
• Resolved: 16/Apr/24 07:47

Description

We don't have at all any tests for E071-01 (Basic query expressions, UNION DISTINCT table operator)  SQL feature.
Let's cover it and create tickets to fix them in case find any issues related to the covered area

Issue Links

• links to: GitHub Pull Request #3559
• links to: GitHub Pull Request #3559