Tom Lane writes:
> Well, I certainly think all of these represent bugs:
>
> [...]
thanks for priorizing them. I'll try to digest them somewhat before
posting.
> This one's pretty darn odd, because 2619 is pg_statistic and not an index
> at all:
>
>> 4 | ERROR: cache lookup failed for index 2619
This is actually the one from the README :-). Quoting to spare media
discontinuity:
--8<---------------cut here---------------start------------->8---
Taking a closer look at it reveals that it happens when you query a
certain catalog view like this:
self=# select indexdef from pg_catalog.pg_indexes where indexdef is not NULL; FEHLER: cache lookup failed for index
2619
This is because the planner then puts pg_get_indexdef(oid) in a context
where it sees non-index-oids, which causes it to croak:
QUERY PLAN
------------------------------------------------------------------------------------Hash Join (cost=17.60..30.65
rows=9width=4) Hash Cond: (i.oid = x.indexrelid) -> Seq Scan on pg_class i (cost=0.00..12.52 rows=114 width=8)
Filter: ((pg_get_indexdef(oid) IS NOT NULL) AND (relkind = 'i'::"char")) -> Hash (cost=17.31..17.31 rows=23
width=4) -> Hash Join (cost=12.52..17.31 rows=23 width=4) Hash Cond: (x.indrelid = c.oid)
-> Seq Scan on pg_index x (cost=0.00..4.13 rows=113 width=8) -> Hash (cost=11.76..11.76 rows=61
width=8) -> Seq Scan on pg_class c (cost=0.00..11.76 rows=61 width=8)
Filter:(relkind = ANY ('{r,m}'::"char"[]))
--8<---------------cut here---------------end--------------->8---
thanks,
Andreas
