diff options
Diffstat (limited to 'system/database/drivers/pdo/pdo_driver.php')
-rw-r--r-- | system/database/drivers/pdo/pdo_driver.php | 74 |
1 files changed, 39 insertions, 35 deletions
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 705b16560..57a3c5c98 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -1,4 +1,4 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php /** * CodeIgniter * @@ -24,6 +24,7 @@ * @since Version 2.1.0 * @filesource */ +defined('BASEPATH') OR exit('No direct script access allowed'); /** * PDO Database Adapter Class @@ -40,28 +41,35 @@ */ class CI_DB_pdo_driver extends CI_DB { + /** + * Database driver + * + * @var string + */ public $dbdriver = 'pdo'; - // The character used to escaping - protected $_escape_char = '"'; - - // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; - - protected $_random_keyword; - + /** + * Transaction enabled flag + * + * @var bool + */ public $trans_enabled = FALSE; - // need to track the PDO options + /** + * PDO Options + * + * @var array + */ public $options = array(); + // -------------------------------------------------------------------- + /** - * Constructor + * Class constructor * - * Validates the DSN string and/or detects the subdriver + * Validates the DSN string and/or detects the subdriver. * - * @param array + * @param array $params * @return void */ public function __construct($params) @@ -107,9 +115,9 @@ class CI_DB_pdo_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Non-persistent database connection + * Database connection * - * @param bool + * @param bool $persistent * @return object */ public function db_connect($persistent = FALSE) @@ -174,7 +182,7 @@ class CI_DB_pdo_driver extends CI_DB { /** * Execute the query * - * @param string an SQL query + * @param string $sql SQL query * @return mixed */ protected function _execute($sql) @@ -187,6 +195,7 @@ class CI_DB_pdo_driver extends CI_DB { /** * Begin Transaction * + * @param bool $test_mode * @return bool */ public function trans_begin($test_mode = FALSE) @@ -246,8 +255,8 @@ class CI_DB_pdo_driver extends CI_DB { /** * Escape String * - * @param string - * @param bool whether or not the string will be used in a LIKE condition + * @param string $str + * @param bool $like Whether or not the string will be used in a LIKE condition * @return string */ public function escape_str($str, $like = FALSE) @@ -299,7 +308,7 @@ class CI_DB_pdo_driver extends CI_DB { /** * Insert ID * - * @param string + * @param string $name * @return int */ public function insert_id($name = NULL) @@ -314,7 +323,7 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific query so that the column data can be retrieved * - * @param string the table name + * @param string $table * @return string */ protected function _field_data($table) @@ -358,16 +367,14 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific batch update string from the supplied data * - * @param string the table name - * @param array the update data - * @param array the where clause + * @param string $table Table name + * @param array $values Update data + * @param string $index WHERE key * @return string */ - protected function _update_batch($table, $values, $index, $where = NULL) + protected function _update_batch($table, $values, $index) { $ids = array(); - $where = ($where !== '' && count($where) >=1) ? implode(' ', $where).' AND ' : ''; - foreach ($values as $key => $val) { $ids[] = $val[$index]; @@ -381,9 +388,7 @@ class CI_DB_pdo_driver extends CI_DB { } } - $sql = 'UPDATE '.$table.' SET '; $cases = ''; - foreach ($final as $k => $v) { $cases .= $k.' = CASE '."\n"; @@ -396,10 +401,9 @@ class CI_DB_pdo_driver extends CI_DB { $cases .= 'ELSE '.$k.' END, '; } - $sql .= substr($cases, 0, -2); - $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + $this->where($index.' IN('.implode(',', $ids).')', NULL, FALSE); - return $sql; + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2).$this->_compile_wh('qb_where'); } // -------------------------------------------------------------------- @@ -409,10 +413,10 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific truncate string from the supplied data * - * If the database does not support the truncate() command, + * If the database does not support the TRUNCATE statement, * then this method maps to 'DELETE FROM table' * - * @param string the table name + * @param string $table * @return string */ protected function _truncate($table) @@ -423,4 +427,4 @@ class CI_DB_pdo_driver extends CI_DB { } /* End of file pdo_driver.php */ -/* Location: ./system/database/drivers/pdo/pdo_driver.php */ +/* Location: ./system/database/drivers/pdo/pdo_driver.php */
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