Since column is boolean, you need a boolean result:
insert into table (column) values (nullif(true,true));
> -----Original Message-----
> From: pgsql-patches-owner@postgresql.org
> [mailto:pgsql-patches-owner@postgresql.org] On Behalf Of Matt A.
> Sent: Monday, August 22, 2005 3:22 AM
> To: pgsql-bugs@postgresql.org; pgsql-patches@postgresql.org
> Subject: [PATCHES] insert into table (column) values (nullif('',''));
>
> insert into table (column) values (nullif('',''));
> ERROR: column "column" is of type boolean but expression is
> of type text.
>
> inserting NULL works. nullif('','') should return NULL if
> both values are equal? It works in MSSQL.
>
> Is there different function to accomplish a insert
> nullif('','') test.
>
> Thanks
> Matt
>
>
>
>
>
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