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List:       postgresql-sql
Subject:    Re: [SQL] String concat operator???
From:       Tom Lane <tgl () sss ! pgh ! pa ! us>
Date:       1999-06-30 14:18:06
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webmaster <webmaster@tony.cz> writes:
> update temp_kat set id_look = substr(ident,1,6) || '-' || substr(ident,7,7)
> where from_kat='P'; 

> Both id_look and ident are varchars.. So what's wrong with || operator? There
> is an error parsing the querry near || ...

In 6.4.* you have to parenthesize the above because Postgres doesn't
assume that the operator || is associative:

update temp_kat set id_look = (substr(ident,1,6) || '-') || substr(ident,7,7)
where from_kat='P'; 

6.5 takes the query without parentheses...

			regards, tom lane

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