Hi,
I can't find out why I get this error in my application :
EPQDatabase Error
pqMyServer1 : Preparation of query failed (PostgreSQL:ERROR: prepared
statement "prepst0" already exists)
Severity : ERROR
SQL State : 42P05
I'm using a TPQConnection, and I can make it active.
My TSQLQuery.SQL (pqQuery2) is this :
UPDATE mydbcarrview_10.carrier_magname
SET location = :location
where carrierid = :carrierid
Then I do this :
with Datamodule1 do
begin
// pqQuery2.UnPrepare; <-- does not help
pqQuery2.ParamByName('Location').AsString:=edtLocation.Text;
pqQuery2.ParamByName('CarrierId').AsString:=edtCarrierId.Text;
try
pqQuery2.ExecSQL; <-- gives the error
pgTransaction1.Commit;
except
on e:exception do
begin
showmessage(e.Message);
pgTransaction1.Rollback;
end;
end;
end;
pqQuery2.UpdateMode was UpWhereKeyOnly, and I tried UpWhereAll, with the
same error as result.
Lazarus 1.08, fpc 2.6.2 on winXP-32 bit.
What am I doing wrong ?
Thanks,
Koenraad Lelong
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