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* cache $db->hasTable and $db->hasColumn functions

Browse Source 
* changed tableExist and fieldExist to $db->hasTable(table) +
$db->hasColumn(table, column)
* new configurable: database_log - can log database queries and show in
website source when logged as super admin
* removed debug_level configurable, enabled by default when logged on
super admin
* added OTS_Account:getCountry()
* added posibility to load OTS_Player partially, and without skills
* (internal) changed depracated $ots->createObject() functions with
their OTS_ equivalents
* (internal) removed unused code
This commit is contained in:
slawkens1
2018-01-06 05:44:33 +01:00
parent 31537687c1
commit 1025fad0e6
65 changed files with 446 additions and 417 deletions
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58
system/libs/pot/OTS_DB_MySQL.php
View File

@@ -24,6 +24,8 @@
*/
class OTS_DB_MySQL extends OTS_Base_DB
{
private $has_table_cache = array();
private $has_column_cache = array();
/**
* Creates database connection.
*
@@ -92,9 +94,48 @@ class OTS_DB_MySQL extends OTS_Base_DB
$this->prefix = $params['prefix'];
}
if( isset($params['log']) )
{
$this->logged = true;
}
global $cache, $config;
if($cache->enabled()) {
$tmp = null;
$need_revalidation = true;
if($cache->fetch('database_checksum', $tmp) && $tmp) {
$tmp = unserialize($tmp);
if(sha1($config['database_host'] . '.' . $config['database_name']) == $tmp) {
$need_revalidation = false;
}
}
if(!$need_revalidation) {
$tmp = null;
if($cache->fetch('database_tables', $tmp) && $tmp) {
$this->has_table_cache = unserialize($tmp);
}
$tmp = null;
if($cache->fetch('database_columns', $tmp) && $tmp) {
$this->has_column_cache = unserialize($tmp);
}
}
}
parent::__construct('mysql:' . implode(';', $dns), $user, $password);
}
public function __destruct()
{
global $cache, $config;
if($cache->enabled()) {
$cache->set('database_tables', serialize($this->has_table_cache));
$cache->set('database_columns', serialize($this->has_column_cache));
$cache->set('database_checksum', serialize(sha1($config['database_host'] . '.' . $config['database_name'])));
}
}
/**
* Query-quoted field name.
*
@@ -133,6 +174,23 @@ class OTS_DB_MySQL extends OTS_Base_DB
return $sql;
}
public function hasTable($name) {
if(isset($this->has_table_cache[$name])) {
return $this->has_table_cache[$name];
}
global $config;
return ($this->has_table_cache[$name] = $this->query("SELECT `TABLE_NAME` FROM `information_schema`.`tables` WHERE `TABLE_SCHEMA` = " . $this->quote($config['database_name']) . " AND `TABLE_NAME` = " . $this->quote($name) . " LIMIT 1;")->rowCount() > 0);
}
public function hasColumn($table, $column) {
if(isset($this->has_column_cache[$table . '.' . $column])) {
return $this->has_column_cache[$table . '.' . $column];
}
return ($this->has_column_cache[$table . '.' . $column] = count($this->query("SHOW COLUMNS FROM `" . $table . "` LIKE '" . $column . "'")->fetchAll()) > 0);
}
}
/**#@-*/