As you know, presence of shared library doesn't mean precense of module in db :).
You can try selecting:
# select count(*) from pg_opclass where opcname = 'tsvector_ops';
or, more general,
# select count(*) from pg_proc where probin = '$libdir/tsearch2';
But not all modules adds new function...
Christopher Kings-Lynne wrote:
> Hi,
>
> Is there any way of checking to see if a particular shared library is
> installed?
>
> eg. select is_shared_library('$libdir/tsearch2');
>
> If not, can we please have one :D
>
> This will greatly help in GUI apps like phpPgAdmin...
>
> Chris
>
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--
Teodor Sigaev E-mail: teodor@sigaev.ru
WWW: http://www.sigaev.ru/
