Odpověď: Re: [BUGS] backend don't use index when querying by indexed column

2001-08-13 Thread zhabala
end use the index. I can't understand to that. If you will need other informations, please ask me. Thank You very much Zdenek Habala > > Od : Tom Lane <[EMAIL PROTECTED]> > Datum : 2001/08/07 Út dop. 01:55:56 GMT+02:00 > Komu : [EMAIL PROTECTED], [EMAIL PROTECTED] > Pře

Re: Odpověď: Re: [BUGS] backend don't use index when querying by indexed column

2001-08-07 Thread Tom Lane
<[EMAIL PROTECTED]> writes: > first of all thank You for Your response. But here is the > reality. Table formula have about 45 rows at this time. > The id_formula column is int4 defined as not null primary key. It is eh? Have you done a VACUUM ANALYZE on this table lately? 4500 rows (1%) wou

Re: [BUGS] backend don't use index when querying by indexed column

2001-08-06 Thread Tom Lane
[EMAIL PROTECTED] writes: > backend don't use index when querying by indexed column This is not necessarily a bug. > when i try to explain this select i will got this: > explain select * from formula where id_formula = 1; > NOTICE: QUERY PLAN: > Seq Scan on formula (cost=0.00..10919.89 rows=4

[BUGS] backend don't use index when querying by indexed column

2001-08-06 Thread pgsql-bugs
Zdenek Habala ([EMAIL PROTECTED]) reports a bug with a severity of 2 The lower the number the more severe it is. Short Description backend don't use index when querying by indexed column Long Description I have a table named formula with this structure: id_formula | intege