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php-db-drivers
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Add READ COMMITTED

master
Vitaliy Filippov 2015-05-13 11:00:14 +00:00
parent 4d9a65d632
commit 3bdc635003
1 changed files with 13 additions and 2 deletions
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15
DatabaseMysql.php
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@ -4,7 +4,7 @@
* Very stable interface for MySQL - object-oriented at last :)
* Select builder is inspired by MediaWiki's one.
* Also usable for querying SphinxQL.
* Version: 2015-05-12
* Version: 2015-05-13
* (c) Vitaliy Filippov, 2012-2015
*/
@ -127,6 +127,11 @@ class DatabaseMysql implements Database
{
$this->transactions = array();
$this->link->set_charset('utf8');
if ($this->username || $this->dbname) // skip for Sphinx
{
// READ COMMITTED is more consistent for average usage
$this->link->query('SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED');
}
if ($this->autoBegin)
{
$this->begin();
@ -178,9 +183,15 @@ class DatabaseMysql implements Database
$this->queryCount++;
if ($this->queryLogFile)
{
$this->loggedQueries .= date("[Y-m-d H:i:s] ").$sql."\n";
$begin = explode(' ', microtime(), 2);
}
$r = $this->link->query($sql, $fetchMode);
if ($this->queryLogFile)
{
$end = explode(' ', microtime(), 2);
$this->loggedQueries .= date("[Y-m-d H:i:s.").substr($end[0], 2, 6)."] [".
sprintf("%.05fs", $end[1]-$begin[1]+$end[0]-$begin[0])."] $sql\n";
}
if (!$r)
{
if ($this->link->errno == 2006 && $this->reconnect && !$this->transactions)