> Looks to me, someone forgot something. That would be me and now I
> remember that I originally wanted to add some utility command for that.
>
> What you need in the meantime is a little C function that calls
>
> void pgstat_reset_counters(void);
>
> I might find the time tomorrow to write one for you if you don't know
> how.
Is this the kind of thing you mean?
#include "postgres.h"
#include "fmgr.h"
extern Datum pg_reset_stats(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(pg_reset_stats);
Datum
pg_reset_stats(PG_FUNCTION_ARGS)
{
void pgstat_reset_counters(void);
PG_RETURN_VOID();
}
With this code I get this:
test=# select pg_reset_stats();
ERROR: Unable to look up type id 0
I'm creating it like this:
create or replace function pg_reset_stats() returns opaque as
'/home/chriskl/local/lib/postgresql/pg_reset_stats.so'
language 'C';
Is it something to do with the return type being declared wrongly?
Hmm...the manual indicates that opaque functions cannot be called directly -
so what the heck do I do?
Also, where would I put this function in the main postgres source and how
would I modify initdb?
Chris
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