Re: problem porting MySQL SQL to Postgres

hi,

Dan Field wrote:

> I've stumbled across a query I don't quite understand the error message 
> for.
> 
> This query is pulled from a working MySQL setup:
> 
> SELECT
>     DEWEY_ID, DEWEY_HUNDREDS, DEWEY_TENS, DEWEY_ONES,     
> DEWEY_POINT_ONES, DEWEY_POINT_TENS,    
>     DEWEY_POINT_HUNDREDS, DEWEY_POINT_THOUSANDS,      DEWEY_TYPE, 
> DEWEY_LANG,  DEWEY_SUBJECT  FROM lu_dewey
> WHERE
>     (DEWEY_HUNDREDS = 9) AND
>     (DEWEY_TENS >= 0) AND    
>     (DEWEY_TENS <= 9) AND
>     (DEWEY_ONES = 0 || DEWEY_ONES = NULL) AND
>     (DEWEY_POINT_ONES = 0 || DEWEY_POINT_ONES = NULL) AND
>     (DEWEY_POINT_TENS = 0 || DEWEY_POINT_TENS = NULL) AND
>     (DEWEY_POINT_HUNDREDS = 0 || DEWEY_POINT_HUNDREDS = NULL) AND
>     (DEWEY_POINT_THOUSANDS = 0 || DEWEY_POINT_THOUSANDS = NULL) AND
>     (DEWEY_TYPE = 't') AND
>     (DEWEY_LANG = 'en')
> ORDER BY DEWEY_TENS
> 
> 
> However I'm getting the following error:
> 
>  ERROR:  Unable to identify an operator '=' for types 'character' and 
> 'boolean' You will have to retype this query using an explicit cast.

use OR not ||.

C.