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Merge pull request #1195 from owncloud/cache_prepared 

Cache prepared statements in OC_DB
remotes/origin/stable5
Thomas Müller 2013-01-15 22:23:34 +07:00
parent 0398bfffca f18fc1c510
commit 1f7bf57ece
1 changed files with 14 additions and 2 deletions
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16
lib/db.php
Unescape Escape View File

@ -41,6 +41,8 @@ class OC_DB {
const BACKEND_PDO=0;
const BACKEND_MDB2=1;
static private $preparedQueries = array();
/**
* @var MDB2_Driver_Common
*/
@ -121,6 +123,7 @@ class OC_DB {
return true;
}
}
self::$preparedQueries = array();
// The global data we need
$name = OC_Config::getValue( "dbname", "owncloud" );
$host = OC_Config::getValue( "dbhost", "" );
@ -201,6 +204,7 @@ class OC_DB {
return true;
}
}
self::$preparedQueries = array();
// The global data we need
$name = OC_Config::getValue( "dbname", "owncloud" );
$host = OC_Config::getValue( "dbhost", "" );
@ -321,7 +325,12 @@ class OC_DB {
$query.=$limitsql;
}
}
} else {
if (isset(self::$preparedQueries[$query])) {
return self::$preparedQueries[$query];
}
}
$rawQuery = $query;
// Optimize the query
$query = self::processQuery( $query );
@ -343,6 +352,9 @@ class OC_DB {
}
$result=new PDOStatementWrapper($result);
}
if (is_null($limit) || $limit == -1) {
self::$preparedQueries[$rawQuery] = $result;
}
return $result;
}
@ -588,7 +600,7 @@ class OC_DB {
error_log('DB error: '.$entry);
OC_Template::printErrorPage( $entry );
}
if($result->numRows() == 0) {
$query = 'INSERT INTO "' . $table . '" ("'
. implode('","', array_keys($input)) . '") VALUES("'
@ -623,7 +635,7 @@ class OC_DB {
return $result->execute();
}
/**
* @brief does minor changes to query
* @param string $query Query string