2010/3/9 <venkatrao.b@tcs.com>:
>
> Hello,
>
> We have migrated oracle database to postgre.
> In oracle char to numeric type conversion is explicit (i.e. we can compare
> char = numeric); but in postgre it is throwing errors. There are so many
> functions - around 2000, and we can not go and do explict type casting in
> every function , where there is problem.
>
> Is there any way to come out of this problem. I mean is there any way to
> make = operator work for numeric = charater varying .
> Your suggestions are highly appreciated.
try
create or replace function num_text_eq(numeric, varchar)
returns bool as $$
select $1 = $2::numeric$$
language sql;
create operator = ( leftarg=numeric, rightarg=varchar, procedure=num_text_eq);
postgres=# select 10='10';
?column?
----------
t
(1 row)
regards
Pavel Stehule
>
> Venkat
>
> =====-----=====-----=====
> Notice: The information contained in this e-mail
> message and/or attachments to it may contain
> confidential or privileged information. If you are
> not the intended recipient, any dissemination, use,
> review, distribution, printing or copying of the
> information contained in this e-mail message
> and/or attachments to it are strictly prohibited. If
> you have received this communication in error,
> please notify us by reply e-mail or telephone and
> immediately and permanently delete the message
> and any attachments. Thank you
>
>
>