Re: [HACKERS] VACUUM ANALYZE Problem

On Tue, 3 Feb 1998, Vadim B. Mikheev wrote:

: 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...
: > 
: >         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.
: 
: Well, I found that this problem was caused by selfuncs.c:gethilokey():
: 
:     static ScanKeyData key[3] = {
:         {0, Anum_pg_statistic_starelid, F_OIDEQ},
:         {0, Anum_pg_statistic_staattnum, F_INT2EQ},
:         {0, Anum_pg_statistic_staop, F_OIDEQ}
: 
: : skankeys are hardcoded without call to ScanKeyEntryInitialize() =>
: without initialization of sk_func.fn_oid required, I assume, by
: new PL support code. Patch for this place follows...
: One should check all places where ScanKeyData is used.
: Jan, could you do this ?
: 

THANKS! I'll patch my code and check the other instances.



: (Oh, hell! I got this ERROR while testing subselect and spent so many time
: to fix this problem...)
: 
: Vadim



-James