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ignore frequent partial search terms

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Adds word counts from a full planet to the word table. There is a
new configuration option CONST_Max_Word_Frequency which allows to
take into account the word count: the value that was set on import
is used to determine if a word is added to the search_name table.
The value during runtime determines if a single term should be
used for partial search or simply be ignored.
This commit is contained in:
Sarah Hoffmann
2012-09-25 00:36:34 +02:00
parent f1063497ef
commit e73e67001e
5 changed files with 49667 additions and 12 deletions
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website/search.php
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@@ -312,6 +312,7 @@
// Check which tokens we have, get the ID numbers
$sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator';
$sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
$sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
$sSQL .= ' and (class is null or class not in (\'highway\'))';
// $sSQL .= ' group by word_token, word, class, type, location, country_code';