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Issue 1209 - DB class efficiency enhancement patch

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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10010 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ucorina 2012-01-04 12:03:33 +00:00
parent 5594488b23
commit 1f5e256339
1 changed files with 40 additions and 31 deletions
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71
classes/db/DB.class.php
View file

@ -175,6 +175,12 @@
* @return list of supported db
**/
function _getSupportedList() {
static $get_supported_list = '';
if(is_array($get_supported_list)) {
$this->supported_list = $get_supported_list;
return $this->supported_list;
}
$get_supported_list = array();
$db_classes_path = _XE_PATH_."classes/db/";
$filter = "/^DB([^\.]+)\.class\.php/i";
$supported_list = FileHandler::readDir($db_classes_path, $filter, true);
@ -201,9 +207,9 @@
$obj->db_type = $db_type;
$obj->enable = $oDB->isSupported() ? true : false;
$this->supported_list[] = $obj;
$get_supported_list[] = $obj;
}
$this->supported_list = $get_supported_list;
return $this->supported_list;
}
@ -331,6 +337,7 @@
* @remarks this function finds xml file or cache file of $query_id, compiles it and then execute it
**/
function executeQuery($query_id, $args = NULL, $arg_columns = NULL) {
static $cache_file = array();
if(!$query_id) return new Object(-1, 'msg_invalid_queryid');
if(!$this->db_type) return;
@ -338,38 +345,40 @@
$this->query_id = $query_id;
$id_args = explode('.', $query_id);
if(count($id_args) == 2) {
$target = 'modules';
$module = $id_args[0];
$id = $id_args[1];
} elseif(count($id_args) == 3) {
$target = $id_args[0];
if(!in_array($target, array('addons','widgets'))){
$this->actDBClassFinish();
return;
}
$module = $id_args[1];
$id = $id_args[2];
}
if(!$target || !$module || !$id){
$this->actDBClassFinish();
return new Object(-1, 'msg_invalid_queryid');
}
if(!isset($cache_file[$query_id])) {
$id_args = explode('.', $query_id);
if(count($id_args) == 2) {
$target = 'modules';
$module = $id_args[0];
$id = $id_args[1];
} elseif(count($id_args) == 3) {
$target = $id_args[0];
if(!in_array($target, array('addons','widgets'))){
$this->actDBClassFinish();
return;
}
$module = $id_args[1];
$id = $id_args[2];
}
if(!$target || !$module || !$id){
$this->actDBClassFinish();
return new Object(-1, 'msg_invalid_queryid');
}
$xml_file = sprintf('%s%s/%s/queries/%s.xml', _XE_PATH_, $target, $module, $id);
if(!file_exists($xml_file)){
$this->actDBClassFinish();
return new Object(-1, 'msg_invalid_queryid');
}
$xml_file = sprintf('%s%s/%s/queries/%s.xml', _XE_PATH_, $target, $module, $id);
if(!file_exists($xml_file)){
$this->actDBClassFinish();
return new Object(-1, 'msg_invalid_queryid');
}
// look for cache file
$cache_file = $this->checkQueryCacheFile($query_id, $xml_file);
$result = $this->_executeQuery($cache_file, $args, $query_id, $arg_columns);
// look for cache file
$cache_file[$query_id] = $this->checkQueryCacheFile($query_id, $xml_file);
}
$result = $this->_executeQuery($cache_file[$query_id], $args, $query_id, $arg_columns);
$this->actDBClassFinish();
// execute query
return $result;
$this->actDBClassFinish();
// execute query
return $result;
}