summaryrefslogtreecommitdiffstats
path: root/system/database/drivers/mysqli/mysqli_driver.php
diff options
context:
space:
mode:
authorAndrey Andreev <narf@bofh.bg>2012-03-09 13:31:13 +0100
committerAndrey Andreev <narf@bofh.bg>2012-03-09 13:31:13 +0100
commit4b4363871256df9009bb4245def8f89420331cfd (patch)
tree3d611272a20f7fb7d8f936b4e1bd8b0ba98f6715 /system/database/drivers/mysqli/mysqli_driver.php
parent342ad538e9b0bb037a4c266fb3a58218f3317e3f (diff)
parentc016a1102e2a77e0c27b9656c19a0460df24dfb6 (diff)
Merge upstream branch
Diffstat (limited to 'system/database/drivers/mysqli/mysqli_driver.php')
-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php62
1 files changed, 37 insertions, 25 deletions
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index dbba12e15..d06119a13 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -157,13 +157,15 @@ class CI_DB_mysqli_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
* @return string
*/
- protected function _version()
+ public function version()
{
- return @mysqli_get_server_info($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = @mysqli_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
@@ -351,7 +353,7 @@ class CI_DB_mysqli_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string.$this->_protect_identifiers('numrows').' FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
@@ -397,46 +399,56 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
protected function _list_columns($table = '')
{
- return 'SHOW COLUMNS FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
- * Field data query
- *
- * Generates a platform-specific query so that the column data can be retrieved
+ * Returns an object with field data
*
* @param string the table name
- * @return string
+ * @return object
*/
- protected function _field_data($table)
+ public function field_data($table = '')
{
- return 'DESCRIBE '.$table;
- }
+ if ($table == '')
+ {
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
+ }
- // --------------------------------------------------------------------
+ $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $query->result_object();
- /**
- * The error message string
- *
- * @return string
- */
- protected function _error_message()
- {
- return mysqli_error($this->conn_id);
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
+ {
+ preg_match('/([a-z]+)(\(\d+\))?/', $query[$i]->Type, $matches);
+
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $query[$i]->Field;
+ $retval[$i]->type = empty($matches[1]) ? NULL : $matches[1];
+ $retval[$i]->default = $query[$i]->Default;
+ $retval[$i]->max_length = empty($matches[2]) ? NULL : preg_replace('/[^\d]/', '', $matches[2]);
+ $retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
+ }
+
+ return $retval;
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Error
*
- * @return int
+ * Returns an array containing code and message of the last
+ * database error that has occured.
+ *
+ * @return array
*/
- protected function _error_number()
+ public function error()
{
- return mysqli_errno($this->conn_id);
+ return array('code' => mysqli_errno($this->conn_id), 'message' => mysqli_error($this->conn_id));
}
// --------------------------------------------------------------------