[ Marcus, you should folow up to the lists, so that other
people can benefit from the discussion ]
On fim, 2006-12-07 at 09:25 +0100, Marcus Engene wrote:
> Ragnar skrev:
> > On mið, 2006-12-06 at 17:34 -0500, Wei Weng wrote:
> >> On Tue, 2006-12-05 at 15:56 -0500, Wei Weng wrote:
> >>> I have a
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On 12/06/06 16:34, Wei Weng wrote:
> On Tue, 2006-12-05 at 15:56 -0500, Wei Weng wrote:
[snip]
> I think I have discovered the reason for why the query runs so slow. The
> original query has an ORDER BY Field1 clause that I forgot to put in my
> email.
On Dec 6, 2006, at 2:34 PM, Wei Weng wrote:
On Tue, 2006-12-05 at 15:56 -0500, Wei Weng wrote:
I have a table that has roughly 200,000 entries and many columns.
The query is very simple:
SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
TargetTable has an index that is Field1.
I t
On mið, 2006-12-06 at 17:34 -0500, Wei Weng wrote:
> On Tue, 2006-12-05 at 15:56 -0500, Wei Weng wrote:
> > I have a table that has roughly 200,000 entries and many columns.
>...
> I think I have discovered the reason for why the query runs so slow. The
> original query has an ORDER BY Field1 claus
On Tue, 2006-12-05 at 15:56 -0500, Wei Weng wrote:
> I have a table that has roughly 200,000 entries and many columns.
>
> The query is very simple:
>
> SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
>
> TargetTable has an index that is Field1.
>
I think I have discovered the reason
Wei Weng wrote:
I have a table that has roughly 200,000 entries and many columns.
The query is very simple:
SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
TargetTable has an index that is Field1.
The thing is on this machine with 1Gig Ram, the above query still takes
about 20 secon
On þri, 2006-12-05 at 15:56 -0500, Wei Weng wrote:
> I have a table that has roughly 200,000 entries and many columns.
>
> SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
> The thing is on this machine with 1Gig Ram, the above query still takes
> about 20 seconds to finish. And I need i
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On 12/05/06 14:56, Wei Weng wrote:
> I have a table that has roughly 200,000 entries and many columns.
>
> The query is very simple:
>
> SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
>
> TargetTable has an index that is Field1.
>
> The
On Dec 5, 2006, at 21:56 , Wei Weng wrote:
I have a table that has roughly 200,000 entries and many columns.
The query is very simple:
SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
This is the very definition of a sequential scan: you're reading
200,000 rows from that table, an
On Tue, 2006-12-05 at 14:56, Wei Weng wrote:
> I have a table that has roughly 200,000 entries and many columns.
>
> The query is very simple:
>
> SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
>
> TargetTable has an index that is Field1.
>
> The thing is on this machine with 1Gig Ra
I am running this in the same machine as the database though.
Thanks
On Tue, 2006-12-05 at 16:02 -0500, Jan de Visser wrote:
> On Tuesday 05 December 2006 3:56 pm, Wei Weng wrote:
> > I have a table that has roughly 200,000 entries and many columns.
> >
> > The query is very simple:
> >
> > SELE
Forgot to mention the version I am using.
PostgreSQL 7.4.13
Thanks
On Tue, 2006-12-05 at 15:56 -0500, Wei Weng wrote:
> I have a table that has roughly 200,000 entries and many columns.
>
> The query is very simple:
>
> SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
>
> TargetTabl
On Tuesday 05 December 2006 3:56 pm, Wei Weng wrote:
> I have a table that has roughly 200,000 entries and many columns.
>
> The query is very simple:
>
> SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
>
> TargetTable has an index that is Field1.
>
> The thing is on this machine with 1Gi
I have a table that has roughly 200,000 entries and many columns.
The query is very simple:
SELECT Field1, Field2, Field3... FieldN FROM TargetTable;
TargetTable has an index that is Field1.
The thing is on this machine with 1Gig Ram, the above query still takes
about 20 seconds to finish. And
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