[MCOL-4605] FROM_UNIXTIME(negativeDecimal) not behaving as InnoDB Created: 2021-03-15  Updated: 2023-07-02

Status: Open
Project: MariaDB ColumnStore
Component/s: PrimProc
Affects Version/s: 5.6.1, 6.1.1
Fix Version/s: Icebox

Type: Bug Priority: Major
Reporter: Alexander Barkov Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: beginner-friendly

Issue Links:
Relates
relates to MCOL-4361 Replace pow(10.0, (double)scale) expr... Closed
relates to MCOL-641 Full DECIMAL support in ColumnStore Closed

 Description    

DROP TABLE IF EXISTS t1;
 
CREATE TABLE t1 (a DECIMAL(10,1)) ENGINE=ColumnStore;
 
INSERT INTO t1 VALUES (-0.1);
 
SELECT FROM_UNIXTIME(a) FROM t1;


+-----------------------+
 
| FROM_UNIXTIME(a)      |
 
+-----------------------+
 
| 1970-01-01 04:00:00.1 |
 
+-----------------------+


DROP TABLE IF EXISTS t1;
 
CREATE TABLE t1 (a DECIMAL(10,1)) ENGINE=InnoDB;
 
INSERT INTO t1 VALUES (-0.1);
 
SELECT FROM_UNIXTIME(a) FROM t1;


+------------------+
 
| FROM_UNIXTIME(a) |
 
+------------------+
 
| NULL             |
 
+------------------+


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