Yes. This is for the Max Activity and Max Bandwidth reports.
Karl
On Sun, Sep 19, 2010 at 2:13 PM, Alexey Serba wrote:
> And all of this is only with single table repohistory, right? Is this
> some kind of complex analytics/stats?
>
> On Sun, Sep 19, 2010 at 8:48 PM, Karl Wright wrote:
>> Here
And all of this is only with single table repohistory, right? Is this
some kind of complex analytics/stats?
On Sun, Sep 19, 2010 at 8:48 PM, Karl Wright wrote:
> Here you go:
>
> // The query we will generate here looks like this:
> // SELECT *
> // FROM
> // (SELECT DISTINCT ON
You can also try ORDER BY bytecount DESC LIMIT 1 instead of aggregate
function max, i.e.
SELECT
t1.bucket, t1.bytecount, t1.windowstart, t1.windowend
FROM
(xxx) t1
WHERE
t1.bytecount=( SELECT t2.bytecount FROM (xxx) t2 WHERE t2.bucket =
t1.bucket ORDER BY t2.bytecount DESC LIMIT 1 )
O
Looking at your proposal:
SELECT
bucket, primary_key, windowstart, etc
FROM
table AS t1
WHERE
windowstart=( SELECT max(windowstart) FROM table AS t2 WHERE
bucket = t1.bucket )
... we'd be looking actually for something more like this:
SELECT
t1.bucket, t1.bytecount, t1.windowstart,
Here you go:
// The query we will generate here looks like this:
// SELECT *
// FROM
// (SELECT DISTINCT ON (idbucket) t3.bucket AS idbucket,
t3.bytecount AS bytecount,
// t3.windowstart AS starttime,
t3.windowend AS endtime
//FRO
> The other thing is that we cannot afford to use the same "table"
> twice, as it is actually an extremely expensive query in its own
> right, with multiple joins, select distinct's, etc. under the covers.
Even if you create indexes on bucket and activitycount columns? It
might be that the query pl
"FIRST based on which sort?"?
First based on the existing sort, which is crucial, because the sort
is by bucket ASC, activitycount DESC. I'm looking for the row with
the highest activitycount, per bucket.
The other thing is that we cannot afford to use the same "table"
twice, as it is actually a
> SELECT DISTINCT ON (idbucket) t3.bucket AS idbucket, t3.activitycount AS
> activitycount, t3.windowstart AS starttime, t3.windowend AS endtime FROM
> (...) t3
Do you have primary key in your t3 table?
> In Postgresql, what this does is to return the FIRST entire row matching each
> distinct i
The Derby table-result function syntax requires all output columns to
be declared as part of the function definition, and more importantly
it does not seem to allow calls into Derby itself to get results. So
this would not seem to be a viable option for that reason.
Back to square 1, I guess. De
For what it's worth, defining a Derby function seems like the only way
to do it. These seem to call arbitrary java that can accept a query
as an argument and return a resultset as the result. But in order to
write such a thing I will need the ability to call Derby at a java
level, I think, rather
From: ext Mark Miller [mailto:markrmil...@gmail.com]
Sent: Wednesday, June 09, 2010 4:26 PM
To: connectors-dev@incubator.apache.org
Subject: Re: Derby/JUnit bad interaction - any ideas?
On 6/8/10 6:35 AM, karl.wri...@nokia.com wrote:
> I've been trying to get some basic tests w
On 6/8/10 6:35 AM, karl.wri...@nokia.com wrote:
I've been trying to get some basic tests working under Junit. Unfortunately,
I've run into a Derby problem which prevents these tests from working.
What happens is this. Derby, when it creates a database, forces a number of directories
within t
t Karl (Nokia-S/Cambridge)
Sent: Wednesday, June 09, 2010 5:24 AM
To: connectors-dev@incubator.apache.org
Subject: RE: Derby/JUnit bad interaction - any ideas?
Open jdk does not seem to work properly with most java applications at this
time, although it has continued to improve. Its switch in
Olivier Bourgeat [olivier.bourg...@polyspot.com]
Sent: Wednesday, June 09, 2010 4:03 AM
To: connectors-dev@incubator.apache.org
Subject: RE: Derby/JUnit bad interaction - any ideas?
Debian Lenny have openjdk-6:
http://packages.debian.org/fr/source/lenny/openjdk-6
Olivier
Le mardi 08 juin 2010 à 22:37
;
> Karl
>
>
> -Original Message-
> From: ext Jack Krupansky [mailto:jack.krupan...@lucidimagination.com]
> Sent: Tuesday, June 08, 2010 4:36 PM
> To: connectors-dev@incubator.apache.org
> Subject: Re: Derby/JUnit bad interaction - any ideas?
>
> If we need to require Java 1.6
MetaCarta is running Debian Lenny, which does not have a 1.6 version of Java
available at this time.
Karl
-Original Message-
From: ext Jack Krupansky [mailto:jack.krupan...@lucidimagination.com]
Sent: Tuesday, June 08, 2010 4:36 PM
To: connectors-dev@incubator.apache.org
Subject: Re
If we need to require Java 1.6, that is probably okay. I am fine with that.
Does anybody have a serious objection to requiring Java 1.6 for LCF?
-- Jack Krupansky
--
From:
Sent: Tuesday, June 08, 2010 6:35 AM
To:
Subject: Derby/JUnit bad interac
a strange mess.
Still, things are currently working, so I guess I'll leave them as they are,
for now.
Karl
-Original Message-
From: ext Koji Sekiguchi [mailto:k...@r.email.ne.jp]
Sent: Tuesday, June 08, 2010 10:30 AM
To: connectors-dev@incubator.apache.org
Subject: Re: Derby/J
(10/06/08 23:14), karl.wri...@nokia.com wrote:
Yeah, I was pretty surprised too. But on windows it is likely that
File.makeReadOnly() (which is what Derby must be using) doesn't actually do
anything to directories, which would explain the discrepancy.
Karl
If so, luckily Ant hack can so
l.com]
Sent: Tuesday, June 08, 2010 9:45 AM
To: connectors-dev@incubator.apache.org
Subject: Re: Derby/JUnit bad interaction - any ideas?
On 6/8/10 6:35 AM, karl.wri...@nokia.com wrote:
> I've been trying to get some basic tests working under Junit. Unfortunately,
> I've run into
, 2010 10:08 AM
To: connectors-dev@incubator.apache.org
Subject: Re: Derby/JUnit bad interaction - any ideas?
(10/06/08 22:35), karl.wri...@nokia.com wrote:
> I've been trying to get some basic tests working under Junit. Unfortunately,
> I've run into a Derby problem which prevents
(10/06/08 22:35), karl.wri...@nokia.com wrote:
I've been trying to get some basic tests working under Junit. Unfortunately,
I've run into a Derby problem which prevents these tests from working.
What happens is this. Derby, when it creates a database, forces a number of directories
within th
On 6/8/10 6:35 AM, karl.wri...@nokia.com wrote:
I've been trying to get some basic tests working under Junit. Unfortunately,
I've run into a Derby problem which prevents these tests from working.
What happens is this. Derby, when it creates a database, forces a number of directories
within t
Yup.
Karl
-Original Message-
From: ext Jack Krupansky [mailto:jack.krupan...@lucidimagination.com]
Sent: Friday, June 04, 2010 12:27 AM
To: connectors-dev@incubator.apache.org
Subject: Re: Derby
Just to be clear, the full sequence would be:
1) Start UI app. Agent process should not be
@incubator.apache.org
Subject: Re: Derby
What is the nature of the single LCF process issue? Is it because the
database is being used in single-user mode, or some other issue? Is it a
permanent issue, or is there a solution or workaround anticipated at some
stage.
Thanks.
-- Jack Krupansky
What is the nature of the single LCF process issue? Is it because the
database is being used in single-user mode, or some other issue? Is it a
permanent issue, or is there a solution or workaround anticipated at some
stage.
Thanks.
-- Jack Krupansky
--
e idle.
6) Possibly commit to Solr.
7) AgentStop.
8) Back to step 1 for additional jobs.
Correct?
-- Jack Krupansky
--
From:
Sent: Thursday, June 03, 2010 7:24 PM
To:
Subject: RE: Derby
The daemon does not need to interact with the UI directly, onl
: Thursday, June 03, 2010 5:51 PM
To: connectors-dev@incubator.apache.org
Subject: Re: Derby
> (1) You can't run more than one LCF process at a time. That means you
> need to either run the daemon or the crawler-ui web application, but you
> can't run both at the same time.
H
(1) You can't run more than one LCF process at a time. That means you
need to either run the daemon or the crawler-ui web application, but you
can't run both at the same time.
How do you "Start" a crawl then if not in the web app which then starts the
agent process crawling?
Thanks for
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