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authordchill42 <dchill42@gmail.com>2012-10-10 14:16:39 +0200
committerdchill42 <dchill42@gmail.com>2012-10-10 14:16:39 +0200
commit2716398bd2f2ae36d7420c591fc759e0951ba0e2 (patch)
tree3845d6bacc5660559740a8eddd43210bbb14fefd /system/database/drivers/mysql/mysql_driver.php
parenteeb6a480a4a25b7fe96e9ba0cf3aef273fd13c67 (diff)
parente8bc5f4450381b4f978f274f3e93604301115b64 (diff)
Merge branch 'develop' of github.com:/EllisLab/CodeIgniter into load_config_units
Diffstat (limited to 'system/database/drivers/mysql/mysql_driver.php')
-rw-r--r--system/database/drivers/mysql/mysql_driver.php42
1 files changed, 36 insertions, 6 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 29db90408..7262591ee 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -45,10 +45,6 @@ class CI_DB_mysql_driver extends CI_DB {
// The character used for escaping
protected $_escape_char = '`';
- // clause and character used for LIKE escape sequences - not used in MySQL
- protected $_like_escape_str = '';
- protected $_like_escape_chr = '\\';
-
protected $_random_keyword = ' RAND()'; // database specific random keyword
/**
@@ -83,7 +79,14 @@ class CI_DB_mysql_driver extends CI_DB {
*/
public function db_connect()
{
- return @mysql_connect($this->hostname, $this->username, $this->password, TRUE);
+ if ($this->compress === TRUE)
+ {
+ return @mysql_connect($this->hostname, $this->username, $this->password, TRUE, MYSQL_CLIENT_COMPRESS);
+ }
+ else
+ {
+ return @mysql_connect($this->hostname, $this->username, $this->password, TRUE);
+ }
}
// --------------------------------------------------------------------
@@ -95,7 +98,14 @@ class CI_DB_mysql_driver extends CI_DB {
*/
public function db_pconnect()
{
- return @mysql_pconnect($this->hostname, $this->username, $this->password);
+ if ($this->compress === TRUE)
+ {
+ return @mysql_pconnect($this->hostname, $this->username, $this->password, MYSQL_CLIENT_COMPRESS);
+ }
+ else
+ {
+ return @mysql_pconnect($this->hostname, $this->username, $this->password);
+ }
}
// --------------------------------------------------------------------
@@ -455,6 +465,26 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
+ * FROM tables
+ *
+ * Groups tables in FROM clauses if needed, so there is no confusion
+ * about operator precedence.
+ *
+ * @return string
+ */
+ protected function _from_tables()
+ {
+ if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
+ {
+ return '('.implode(', ', $this->qb_from).')';
+ }
+
+ return implode(', ', $this->qb_from);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Close DB Connection
*
* @return void