2011/3/21 Vibhor Kumar <vibhor.kumar@enterprisedb.com>:
>
> On Mar 21, 2011, at 11:13 PM, Jon Smark wrote:
>
>>
>> Is there any way for a SQL or PL/pgSQL function to receive a table
>> as parameter? As an illustration, consider the dummy example below.
>> Note that functions get_from_data1 and get_from_data2 follow essentially
>> the same pattern; it would be nice to define instead a single polymorphic
>> function parameterised on the id and table. Is this possible?
>
>
> Try Something like given below:
> CREATE OR REPLACE FUNCTION tab_pass(text) returns setof numeric
> as
> $$
> DECLARE
> rec record;
> BEGIN
> for rec in execute 'select empno from '||$1||' where id = 1'
> LOOP
> return next rec.empno;
> END LOOP;
> return next rec.empno;
> END;
> $$ language plpgsql;
it can work too, but there is sql injection risk.
Do newer 'SELECT ... FROM ' || tabname || ' ...
Regards
Pavel Stehule
>
>
> Thanks & Regards,
> Vibhor Kumar
> EnterpriseDB Corporation
> The Enterprise PostgreSQL Company
> vibhor.kumar@enterprisedb.com
> Blog:http://vibhork.blogspot.com
>
>
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