Re: [HACKERS] VACUUM ANALYZE Problem - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [HACKERS] VACUUM ANALYZE Problem
Date
Msg-id 199802031926.OAA21735@candle.pha.pa.us
Whole thread Raw
In response to Re: [HACKERS] VACUUM ANALYZE Problem  ("Vadim B. Mikheev" <vadim@sable.krasnoyarsk.su>)
List pgsql-hackers
>
> James Hughes wrote:
> >
> > After poking arround some more, I found that the "vacuum analyze" is
> > causing problems with the "<" and ">" operators. The "> 0" in the SELECT
> > for "/d <table>" and "/dS" commands in psql cause the error.
> >
> > I verified that any simple query using the "<" or ">" operators fail
> > with the same message...
>
> Analyze uses oper("=",...), oper("<",...) and oper(">",...)...
> Are queries with "=" OK ?
>
> >
> >         ERROR:  fmgr_info: function 0: cache lookup failed
> >
> >                         ...after using the "vacuum analyse" command.
> > But, only after vacuuming any relation that was created and populated by
> > me. Vacumming system catalogs poses no problems.
>
> There are comments into vc_updstats:
>
>     /*
>      * invalidating system relations confuses the function cache of
>      * pg_operator and pg_opclass
>      */
>     if (!IsSystemRelationName(pgcform->relname.data))
>         RelationInvalidateHeapTuple(rd, rtup);
>
> ==> invalidation of user relation causes problems too, Bruce ?

So this is not a problem?  right?

--
Bruce Momjian
maillist@candle.pha.pa.us

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