Re: [HACKERS] Possible bug in parsing

From: Hannu Krosing <hannu(at)trust(dot)ee>
To: "Thomas G(dot) Lockhart" <lockhart(at)alumni(dot)caltech(dot)edu>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [HACKERS] Possible bug in parsing
Date: 1998-03-18 07:31:40
Message-ID: 350F785C.8620F61C@sid.trust.ee
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Thomas G. Lockhart wrote:

> > I understand the 'there is more than one operator' errors, but
> > what is so different between operators + and || ?
>
> ?? They are different operators, that's why. The "+" is addition, and
> the "||" is defined in SQL92 to be string concatenation.
>
>

Yes I know that, but why are they so different that I can have

ARG1 op ARG2 op ARG3

with + but not with ||

Hannu

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Peter T Mount 1998-03-18 07:37:44 Re: [DOCS] Re: [HACKERS] Small changes for the "no excuses" release
Previous Message Hannu Krosing 1998-03-18 06:58:21 Re: [HACKERS] Re: Multi field hash indexes