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Fulltext boolean search v.2.2 for vB Details »»
Fulltext boolean search v.2.2 for vB
Version: 1.00, by JohnWoo JohnWoo is offline
Developer Last Online: Apr 2014 Show Printable Version Email this Page

Version: 3.0.0 Rating:
Released: 03-07-2004 Last Update: Never Installs: 20
 
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Hello all!

Moving here from beta forum
https://vborg.vbsupport.ru/showthread.php?t=62218

This hack makes nearly same for vB3 as
[vB 2.2.x] - Mysql 4 Search hack
https://vborg.vbsupport.ru/showthread.php?t=51716
for vB2

You will need MySQL server v4.0.1 or better (but sometimes it may work on 3.23.xx). After installing you will be able to search with empty native vB index (word and postindex tables) and using modifiers.
Allowed modifiers + are ,-, * and "
All modifiers except * should be used only once for one word (in the beginning and without space).
* it should be used at the end of a word.
For example:
windows unix -> will find messages containing at least one these words.
+windows +unix -> will find messages with both this words.
windows* -> will find "windows", "windowss", "windowssauce" or "windowst".
*indows will NOT find "windows"
"some words" -> will find "some words of wisdom", but will not find "some extra words".
Search phrase length limitations replaced with results number limitation.
Value of old "Search Index Maximum Word Length" used to limit number of posts in the result returned by fulltext search (control panel/Message Searching Options)
Supposed that it must run faster then native vB search

History:
v.2.2 [5 Apr 2004]
- search words relevance (when sort by relevance) added at last
but little different then native vB (it may not work when searching with * modifiers)
- attempt to fix incompatibility with other hacks
=to upgrade replace code block #5 in search.php with latest one

v.2.1 [4 Apr 2004]
- Excluding from search forums with "Index New Posts in Search Engine" option set to "No"

v.2.0 [30 Mar 2004]
-"Similar Threads" now must start working (to move from 1.x to 2 just change one more script - functions_search.php)

v.1.9 [29 Mar 2004]
-checking if $query string is not empty before running fill text sql

v.1.8 [20 Mar 2004]
- line numbers and higlight code changed for VB3 Gold
- more tests and error explanations

v.1.7 [9 Mar 2004]
- MySQL error for administrators bug fixed
checking is $not_forumid string exixts before adding it to query

v.1.6 [9 Mar 2004]
- national letters bug fixed
preg_replace("~[^\w\"\-+\* ]~i", "", $query);
was replaced by
preg_replace("~[^\w\xC0-\xFF\"\-+\* ]~i", "", $query);

v.1.5 [8 Mar 2004]
- TABLE_PREFIX bug fixed
- slightly optimised SQL requests

v.1.4 [8 Mar 2004]
- delete_post_index function turned off
- more tests and error explanations

v.1.3 [7 Mar 2004]
- less code because of using native vB $postQueryLogic and $threadQueryLogic conditions
- more tests and error explanations

v.1.2 [7 Mar 2004]
- boolean mode can be turned off in AdminCP ("Allow Search Wild Cards" setting)
- "titles only" search fixed
- limiting number of matches retunned by fulltext search AFTER applying search conditions

v.1.1 [7 Mar 2004]
- HighLight support added

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  • This modification may not be copied, reproduced or published elsewhere without author's permission.

Comments
  #32  
Old 03-24-2004, 06:27 PM
Dontom Dontom is offline
 
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Hello, i tried this hack but somehow it showed far less results than the normal search (12 <-> 1000).
Currently our forums is on rc2 and I replaced search.php with vb3 gold hacked search - which might be a reason.
Tom
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  #33  
Old 03-24-2004, 06:37 PM
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JohnWoo JohnWoo is offline
 
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you tried to change number in "Search Index Maximum Word Length" setting in adminCP?
Sorry - asking becase it looks like the most possible reason
And if it will continue returning too few results after setting large number there, you may try to drop fulltext index and create it again with repair and optimise requests before and after creation.
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  #34  
Old 03-25-2004, 09:45 AM
Dontom Dontom is offline
 
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I don't understand this
I think the Search Index Maximum Word Length in admincp has nothing to do with mysqls fulltext index (this is limited only by entries in my.cnf regarding the fulltext index) - the maximum word length in vbs acp only limits the entries of the word table...

Recreating the mysqls fulltext index might be an idea - i have to shut down our forums tonight and will try this.
Thank you
Tom
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  #35  
Old 03-25-2004, 10:53 AM
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JohnWoo JohnWoo is offline
 
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Quote:
Originally Posted by Dontom
I don't understand this
I think the Search Index Maximum Word Length in admincp has nothing to do with mysqls fulltext index (this is limited only by entries in my.cnf regarding the fulltext index) - the maximum word length in vbs acp only limits the entries of the word table...
Tom
yes but see #2 in extra changes part

2. Value of old "Search Index Maximum Word Length" used to limit number of posts in the result returned by fulltext search

I used value of that setting just to free database from searces that may return too much results - sorry
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  #36  
Old 03-25-2004, 11:16 AM
Dontom Dontom is offline
 
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JohnWoo, thank you!
LOL, didn't see this

will try it again...
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  #37  
Old 03-25-2004, 09:39 PM
JonP JonP is offline
 
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In the process of installing, 1.3 million posts.

alter tables are taking ages ...

Will keep you updated.
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  #38  
Old 03-25-2004, 10:34 PM
JonP JonP is offline
 
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Still altering... sigh.
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  #39  
Old 03-26-2004, 03:02 AM
Dontom Dontom is offline
 
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Ok, this hack seems to work on our 1.1mio posts board. :up: :up:

I will be able to say something about load after sunday evening, which is one of
our most freuqented days
Thank you for this hack!
Tom
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  #40  
Old 03-26-2004, 04:03 AM
JonP JonP is offline
 
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Had to reindex, still indexing, forum's been down most the day ...
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  #41  
Old 03-26-2004, 04:10 AM
Dontom Dontom is offline
 
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This took iirc ~ less than half an hour.. you know that you do not have to reindex using vbulletin? Mysql will create this automatically for you as soon as you enter the sql commands as instructed...
Tom
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