This is slightly off the original topic but related.
Is there any function or way I can easily find the size of the passed array?
> On Fri, 14 Feb 2003, Michael Weaver wrote:
>
>>
>>
>> > -----Original Message-----
>> > From: Stephan Szabo [mailto:sszabo(at)megazone23(dot)bigpanda(dot)com]
>> > Sent: Friday, 14 February 2003 12:58 PM
>> > To: Michael Weaver
>> > Cc: 'pgsql-novice(at)postgresql(dot)org'; 'pgsql-sql(at)postgresql(dot)org'
>> > Subject: Re: [SQL] Passing arrays
>> >
>> >
>> >
>> > On Fri, 14 Feb 2003, Michael Weaver wrote:
>> >
>> > > How do you get an array of elements to be passed to a
>> > stored proc such that
>> > > you can use the array in a SELECT statement in the WHERE clause
>> > > - e.g. WHERE field IN (array) etc...
>> >
>> > A straight WHERE field IN (array) doesn't work. That's attempting
>> to compare the field directly to the array as a whole (which is
>> > why you get
>> > the particular error you do.
>>
>> I've got around this limitation using strings, but I do find it
>> suprising, that Postgres handles arrays this way.
>> Searching an array in an WHERE IN clause would be a useful task.
>> (namely for passing arrays of values between stored functions)
>>
>> Ok it could be confusing, but I think a number of other DBs employ it
>> to good effect.
>>
>> I'll take a look at the array extension in contrib - it sounds useful.
>
> Also check out contrib/intarray and its indexing capabilites
> if you have 1 dimensional integer arrays.
>
>>
>> Thanks.
>>
>
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