Andrew Dunstan <and...@dunslane.net> writes:
> Bruce Momjian wrote:
>> One concern I have is that in PL/pgSQL, := and = behave the same, while
>> in SQL, they would not. That might cause confusion.
> I doubt there will be much confusion.
I agree. Bruce is ignoring the fact that they are *not* interchangeable
even in plpgsql, except in the one context of the assignment operator.
If you try to use := in a SQL construct it won't work, eg
if (a := b) then ...
if (a = b) then ...
have never been equivalent.
regards, tom lane
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