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Date: Fri, 25 Nov 2005 05:07:56 +0100 (CET)
From: "Cheolgoo Kang (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-463) Sorting does not work correcly on
 "String Date"
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    [ http://issues.apache.org/jira/browse/LUCENE-463?page=3Dcomments#actio=
n_12358480 ]=20

Cheolgoo Kang commented on LUCENE-463:
--------------------------------------

AFAIK, sorting as number is far more faster than string. And friendly with =
memory issue also.

Some developers want to use the value they've inserted in database, and thi=
nks it's wasting disk space to save another 'same' field just for sorting t=
o the database or lucene index while they can sort it with existing values.

> Sorting does not work correcly on "String Date"
> -----------------------------------------------
>
>          Key: LUCENE-463
>          URL: http://issues.apache.org/jira/browse/LUCENE-463
>      Project: Lucene - Java
>         Type: Bug
>  Environment: Java Windows XP, JRE 1.3.1
>     Reporter: Etienne
>     Priority: Minor

>
> I am doing a simple query with a sort on a date field already put on a st=
ring format (YYYYmmDDHHMMSS). I am presenting 10 results per pages. The res=
ults I have is not correctly sort. On a page "4 october" is before "5 octob=
er", on another page I got the same kind of error.
> These are logs of the sorting I get:
> 20051006102501 DATE: 06 oct. 2005
> 20051004130501 DATE: 04 oct. 2005 <-- PROBLEM!
> 20051005120200 DATE: 05 oct. 2005
> 20050928094805 DATE: 28 sept. 2005
> 20050928114901 DATE: 28 sept. 2005
> 20050928114901 DATE: 28 sept. 2005
> 20050928101901 DATE: 28 sept. 2005
> 20050928142601 DATE: 28 sept. 2005
> 20050928142601 DATE: 28 sept. 2005
> 20050929094100 DATE: 29 sept. 2005 <-- PROBLEM!
> 20050928132931 DATE: 28 sept. 2005
> 20050929090002 DATE: 29 sept. 2005 <-- PROBLEM!
> 20050927203403 DATE: 27 sept. 2005
> 20050927203402 DATE: 27 sept. 2005
> 20050927131901 DATE: 27 sept. 2005
> 20050927131901 DATE: 27 sept. 2005
> 20050927132501 DATE: 27 sept. 2005
> 20050927132500 DATE: 27 sept. 2005
> 20050927133101 DATE: 27 sept. 2005
> 20050927133100 DATE: 27 sept. 2005
> 20050926115001 DATE: 26 sept. 2005
> 20050927112301 DATE: 27 sept. 2005
> 20050926091200 DATE: 26 sept. 2005 <-- PROBLEM!
> 20050927085701 DATE: 27 sept. 2005
> 20050923111558 DATE: 23 sept. 2005
> 20050923103700 DATE: 23 sept. 2005
> 20050923144300 DATE: 23 sept. 2005
> 20050922102200 DATE: 22 sept. 2005
> 20050922082701 DATE: 22 sept. 2005
> 20050923085601 DATE: 23 sept. 2005 <-- PROBLEM!
> 20050815102204 DATE: 15 august 2005
> 20050815102201 DATE: 15 august 2005
> 20050816102200 DATE: 16 august 2005  <-- PROBLEM!
> 20050815110400 DATE: 15 august 2005=20
> 20050816124500 DATE: 16 august 2005 <-- PROBLEM!
> 20050812163334 DATE: 12 august 2005
> 20050812163331 DATE: 12 august 2005
> 20050812161840 DATE: 12 august 2005
> 20050812161935 DATE: 12 ao=C3=BBt 2005
> 20050812113442 DATE: 12 ao=C3=BBt 2005

--=20
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