Re: pass in array to function for use by where clause? how optimize?

On 04/13/2011 09:09 AM, Tom Lane wrote:
> Anish Kejariwal<anishkej@gmail.com>  writes:
>> (select store_id, avg(sales) sales
>> from store
>> where group_id in(select $1[i] from generate_subscripts($1, 1) g(i))
>
> Seems like a pretty brute-force way to deal with the array.  Try
>
> where group_id = any($1)
>
> Not sure if it'll be a great deal faster, but it's at least easier to
> write.
>
>             regards, tom lane
>
Would adding a subservient function which actually uses the value of the 
iteration (group_id) as a single parameter be of any use?

rjs