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Description: Reinitialize static variable when switching database
In the tests, we run each test on the three supported DBMS (database systems)
namely pgsql, mysql & sqlite3.
.
Codeigniter stores the escape characters in a static variable which never
changes even when switching driver and hence use another DBMS. So it would
use the escape character of the 1st DBMS with all subsequent engines.
.
This will reset the static variable when in testing environment and when
the DBMS changed.
Author: Fab Stz <fabstz-it@yahoo.fr>
Last-Update: 2025-02-02
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1417,6 +1417,14 @@
static $preg_ec = array();
+ static $local_dbdriver = NULL;
+ if (ENVIRONMENT === 'testing' && $this->dbdriver !== $local_dbdriver)
+ {
+ $local_dbdriver = $this->dbdriver;
+ // Reinitialize static variable when switching to another database driver.
+ $preg_ec = array();
+ }
+
if (empty($preg_ec))
{
if (is_array($this->_escape_char))
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