[MDEV-17384] Inconsistent conversion of ADDTIME() to number Created: 2018-10-07  Updated: 2019-11-18

Status: Open
Project: MariaDB Server
Component/s: Data types, Temporal Types
Affects Version/s: 5.5, 10.0, 10.1, 10.2, 10.3, 10.4
Fix Version/s: 10.4

Type: Bug Priority: Major
Reporter: Alexander Barkov Assignee: Alexander Barkov
Resolution: Unresolved Votes: 0
Labels: None

Epic Link: Data type cleanups

 Description    

SELECT
 
  CAST(ADDTIME(0, 8385959) AS SIGNED) AS ci,
 
  CAST(ADDTIME(0, 8385959) AS DECIMAL(30,0)) AS c0,
 
  CAST(ADDTIME(0, 8385959) AS DECIMAL(30,1)) AS c1,
 
  ADDTIME(0, 8385959)+0 AS pi,
 
  ADDTIME(0, 8385959)+0.0 AS c1;


+------+---------+-----------+---------+-----------+
 
| ci   | c0      | c1        | pi      | c1        |
 
+------+---------+-----------+---------+-----------+
 
|  838 | 8385959 | 8385959.0 | 8385959 | 8385959.0 |
 
+------+---------+-----------+---------+-----------+

The result for ci looks wrong.
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