[ASTERIXDB-1629] Union All with global aggregates fails

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Component/s: COMP - Compiler
• Assignee: Yingyi Bu
• Reporter: Yingyi Bu
• Created: 02/Sep/16 18:10
• Updated: 17/Jun/17 00:00
• Resolved: 14/Sep/16 01:07

Description

query:

SELECT COUNT(1)  AS one FROM items
UNION ALL
SELECT COUNT(1) AS one FROM items;

A runtime error is thrown:

Invalid types for casting, required type generalized-record-type: closed {
  one: UNION(INT64, NULL, MISSING)
}
, input type null: closed {
  one: UNION(INT64, NULL, MISSING)
}
 [IllegalStateException]