Re: [HACKERS] Arrays broken on temp tables

> Greetings. I recently encountered a problem updating an array element on
> a temp table. Instead of updating just the specified array element, it
> copies the array values onto all the tuples. The command works as
> expected with regular tables.
>
>
> create temp table tmpArray (
> id int4,
> val int4[]
> );
> CREATE
> insert into tmpArray values (1, '{1,2,3,4}');
> INSERT 24630506 1
> insert into tmpArray values (2, '{4,3,2,1}');
> INSERT 24630507 1
> insert into tmpArray values (3, '{9,10,11,12}');
> INSERT 24630508 1
> select * from tmpArray;
> id|val
> --+------------
> 1|{1,2,3,4}
> 2|{4,3,2,1}
> 3|{9,10,11,12}
> (3 rows)
>
> update tmpArray set val[3] = 7;
> UPDATE 3
> select * from tmpArray;
> id|val
> --+---------
> 1|{1,2,7,4}
> 2|{1,2,7,4}
> 3|{1,2,7,4}
> (3 rows)
>
> drop table tmpArray;
> DROP
> EOF
>
> - K

Bug confirmed. Wow, that is strange. There isn't anything about temp
table that would suggest this would happen. I will keep the bug report
and try to figure it out in the future.

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026