I've tried to do this same thing i "psql" client. It was worked properly.
I'm not sure, but maybe Your table on disk is corrupted.
Does it work simply:
select oid from public.lock
and
select * from public.lock
and
SELECT "oid", * FROM "public"."lock"
?
Your query will be faster makinkg it that way:
SELECT COUNT(*) AS total FROM "public"."lock"
"lock" is not very fine name for table (for ex. You can do inside
transaction: LOCK table public.lock IN SHARE MODE).
Greetings
Adam
MG wrote:
Hello,
I have the following error and I'm a bit worried:
SELECT COUNT(*) AS total FROM (SELECT "oid", * FROM "public"."lock")
AS sub
-> ERROR: invalid page header in block 0 of relation "lock"
delete from lock where bildschirmnr=16
-> ERROR: invalid page header in block 0 of relation "lock"
Any ideas whats going on?
Thanks for any help
Michaela
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