[IGNITE-23351] COALESCE detects type wrong if first argument is null

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-beta1
• Fix Version/s: 3.0
• Component/s: sql
• Labels: ignite-3
• Assignee: Konstantin Orlov
• Reporter: Igor
• Created: 03/Oct/24 10:12
• Updated: 03/Oct/24 12:55
• Resolved: 03/Oct/24 12:55

Description

Query: "select COALESCE(null,null,null,null,25,'') as Test;"
Expected:
.*Illegal mixing of types in CASE or COALESCE statement.*
Actual:
('25') 

Issue Links

• is caused by: IGNITE-23042 Sql. Forbid implicit casts between different type families