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authorrvelices <rv-github@modusoptimus.com>2014-04-08 20:45:48 +0000
committerrvelices <rv-github@modusoptimus.com>2014-04-08 20:45:48 +0000
commit3ab9ee5b470bfb488829207df88e5a3595d4f320 (patch)
tree8e4cf63f528ebc810a735ce6f14c3a4e029f1f92 /include/functions_search.inc.php
parentae58b3d7a1e83814f0f7d415742186deb792b36b (diff)
bug 3056: quick search - fix warning; better management of variants and short words
git-svn-id: http://piwigo.org/svn/trunk@28128 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to 'include/functions_search.inc.php')
-rw-r--r--include/functions_search.inc.php92
1 files changed, 50 insertions, 42 deletions
diff --git a/include/functions_search.inc.php b/include/functions_search.inc.php
index e9d04d09f..6c83df76a 100644
--- a/include/functions_search.inc.php
+++ b/include/functions_search.inc.php
@@ -484,6 +484,7 @@ class QSingleToken
var $is_single = true;
var $modifier;
var $term; /* the actual word/phrase string*/
+ var $variants = array();
var $scope;
var $scope_data;
@@ -833,32 +834,21 @@ class QResults
var $tag_iids;
var $images_iids;
var $iids;
-
- var $variants;
}
function qsearch_get_images(QExpression $expr, QResults $qsr)
{
$qsr->images_iids = array_fill(0, count($expr->stokens), array());
- $inflector = null;
- $lang_code = substr(get_default_language(),0,2);
- include_once(PHPWG_ROOT_PATH.'include/inflectors/'.$lang_code.'.php');
- $class_name = 'Inflector_'.$lang_code;
- if (class_exists($class_name))
- {
- $inflector = new $class_name;
- }
-
- $query_base = 'SELECT id from '.IMAGES_TABLE.' i WHERE ';
+ $query_base = 'SELECT id from '.IMAGES_TABLE.' i WHERE
+';
for ($i=0; $i<count($expr->stokens); $i++)
{
$token = $expr->stokens[$i];
- $term = $token->term;
$scope_id = isset($token->scope) ? $token->scope->id : 'photo';
$clauses = array();
- $like = addslashes($term);
+ $like = addslashes($token->term);
$like = str_replace( array('%','_'), array('\\%','\\_'), $like); // escape LIKE specials %_
$file_like = 'CONVERT(file, CHAR) LIKE \'%'.$like.'%\'';
@@ -867,37 +857,32 @@ function qsearch_get_images(QExpression $expr, QResults $qsr)
case 'photo':
$clauses[] = $file_like;
- $variants = array();
- if (strlen($term)>2
- && ($expr->stoken_modifiers[$i] & (QST_QUOTED|QST_WILDCARD))==0
- && strcspn($term, '\'0123456789') == strlen($term) )
+ $variants = array_merge(array($token->term), $token->variants);
+ $fts = array();
+ foreach ($variants as $variant)
{
- if ($inflector!=null)
- $variants = array_unique( array_diff( $inflector->get_variants($term), array($term) ) );
- $variants = trigger_event('qsearch_get_variants', $variants, $token, $expr);
- $variants = array_unique( array_diff( $variants, array($term) ) );
- $qsr->variants[$term] = $variants;
- }
-
- if (strlen($term)>3) // default minimum full text index
- {
- $ft = $term;
- if ($expr->stoken_modifiers[$i] & QST_QUOTED)
- $ft = '"'.$ft.'"';
- if ($expr->stoken_modifiers[$i] & QST_WILDCARD_END)
- $ft .= '*';
- foreach ($variants as $variant)
+ if (mb_strlen($variant)<=3
+ || strcspn($variant, '!"#$%&()*+,./:;<=>?@[\]^`{|}~') < 3)
+ {// odd term or too short for full text search; fallback to regex but unfortunately this is diacritic/accent sensitive
+ $pre = ($token->modifier & QST_WILDCARD_BEGIN) ? '' : '[[:<:]]';
+ $post = ($token->modifier & QST_WILDCARD_END) ? '' : '[[:>:]]';
+ foreach( array('i.name', 'i.comment') as $field)
+ $clauses[] = $field.' REGEXP \''.$pre.addslashes(preg_quote($variant)).$post.'\'';
+ }
+ else
{
- $ft.=' '.$variant;
+ $ft = $variant;
+ if ($expr->stoken_modifiers[$i] & QST_QUOTED)
+ $ft = '"'.$ft.'"';
+ if ($expr->stoken_modifiers[$i] & QST_WILDCARD_END)
+ $ft .= '*';
+ $fts[] = $ft;
}
- $clauses[] = 'MATCH(i.name, i.comment) AGAINST( \''.addslashes($ft).'\' IN BOOLEAN MODE)';
}
- else
+
+ if (count($fts))
{
- foreach( array('i.name', 'i.comment') as $field)
- {
- $clauses[] = $field.' REGEXP \'[[:<:]]'.addslashes(preg_quote($term)).'[[:>:]]\'';
- }
+ $clauses[] = 'MATCH(i.name, i.comment) AGAINST( \''.addslashes(implode(' ',$fts)).'\' IN BOOLEAN MODE)';
}
break;
@@ -936,7 +921,7 @@ function qsearch_get_images(QExpression $expr, QResults $qsr)
}
if (!empty($clauses))
{
- $query = $query_base.'('.implode(' OR ', $clauses).')';
+ $query = $query_base.'('.implode("\n OR ", $clauses).')';
$qsr->images_iids[$i] = query2array($query,null,'id');
}
}
@@ -1230,6 +1215,29 @@ function get_quick_search_results($q, $options)
// allow plugins to add their own scopes
$scopes = trigger_event('qsearch_get_scopes', $scopes);
$expression = new QExpression($q, $scopes);
+
+ // get inflections for terms
+ $inflector = null;
+ $lang_code = substr(get_default_language(),0,2);
+ @include_once(PHPWG_ROOT_PATH.'include/inflectors/'.$lang_code.'.php');
+ $class_name = 'Inflector_'.$lang_code;
+ if (class_exists($class_name))
+ {
+ $inflector = new $class_name;
+ foreach( $expression->stokens as $token)
+ {
+ if (isset($token->scope) && !$token->scope->is_text)
+ continue;
+ if (strlen($token->term)>2
+ && ($token->modifier & (QST_QUOTED|QST_WILDCARD))==0
+ && strcspn($token->term, '\'0123456789') == strlen($token->term) )
+ {
+ $token->variants = array_unique( array_diff( $inflector->get_variants($token->term), array($token->term) ) );
+ }
+ }
+ }
+
+
trigger_action('qsearch_expression_parsed', $expression);
//var_export($expression);
@@ -1251,7 +1259,7 @@ function get_quick_search_results($q, $options)
for ($i=0; $i<count($expression->stokens); $i++)
{
$debug[] = $expression->stokens[$i].': '.count($qsr->tag_ids[$i]).' tags, '.count($qsr->tag_iids[$i]).' tiids, '.count($qsr->images_iids[$i]).' iiids, '.count($qsr->iids[$i]).' iids'
- .( !empty($qsr->variants[$expression->stokens[$i]->term]) ? ' variants: '.implode(', ',$qsr->variants[$expression->stokens[$i]->term]): '');
+ .( !empty($expression->stokens[$i]->variants) ? ' variants: '.implode(', ',$expression->stokens[$i]->variants): '');
}
$debug[] = 'before perms '.count($ids);