Re: select as params to function

On 2/17/2012 2:11 PM, Pavel Stehule wrote:
> Hello
>
> PostgreSQL has no table data type. You can use a array of records instead
>
> and then
>
> select fx((select array(select * from tab)));
>
> regards
>
> Pavel Stehule
>
> 2012/2/17 Andy Colson<andy@squeakycode.net>:
>> Hi all,
>>
>> Trying to clean up some data so I wrote myself a function which will insert
>> the new stuff okay but the existing data... I'm not sure how to run it
>> through the function.
>>
>> To make life a little simpler on myself, the old data is in table webserv2
>> and the new data will go into table webserv2a.
>>
>> The function insert_webserv2 takes the old arguments, cleans things up, and
>> inserts into webserv2a.
>>
>> All is well there.  But I have a table full of stuff in webserv2 that I'd
>> like moved over.
>>
>> I'd love to do:
>>
>> select insert_webserv2( (select * from webserv2) );
>>
>> but that obviously wont work.  Is there a simple way to feed a table through
>> the function?
>>
>> -Andy
>>
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>


Humm, I can't seem to get that to work:

stats=# select insert_webserv2((select array (select * from webserv2
limit 1)) );
ERROR:  subquery must return only one column
LINE 1: select insert_webserv2((select array (select * from webserv2...


tried array_agg too:

stats=# select insert_webserv2((select array_agg (select * from webserv2
limit 1)) );
ERROR:  syntax error at or near "select"
LINE 1: select insert_webserv2((select array_agg (select * from webs...


-Andy