Igor Tandetnik wrote:
>
> Try searching for a value that doesn't fall into any block - you'll
> likely find that the query takes a noticeable time to produce zero
> records. Pick a large value that's greater than all startIpNum's.
>
Yes, you are right. That's why I'm going with the original
that first matching
row.
> -Original Message-
> From: Dani Va [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, October 31, 2007 8:30 AM
> To: sqlite-users@sqlite.org
> Subject: Re: [sqlite] Performance problem for a simple select with range
>
>
> First, thanks, your sugg
First, thanks, your suggestion worked.
To my surprise, it was enough to add "limit 1" to the original query.
So:
select * from blocks,locations where locations.locid = blocks.locid AND ? >=
blocks.startIpNum AND ? <= blocks.endIpNum limit 1
takes about 1.398-005 seconds
and
select * from
"Dani Valevski" <[EMAIL PROTECTED]> wrote:
> I think I have a performance problem for a simple select with range.
>
> My Tables:
> CREATE TABLE locations(locidINTEGER PRIMARY KEY, ...);
>
> CREATE TABLE blocks(
> startIpNum INTEGER,
> endIpNum INTEGER,
>
[Default] On Mon, 29 Oct 2007 15:25:18 +0200, "Dani Valevski"
<[EMAIL PROTECTED]> wrote:
>I think I have a performance problem for a simple select with range.
>
>My Tables:
>CREATE TABLE locations(
>locidINTEGER PRIMARY KEY,
>country TEXT,
>
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