From fbba54ea6c896e0545d4d20a19abe06d57ffc97b Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 23 Jun 2012 20:26:31 +0300 Subject: Rename pdodriver property to subdriver and make it available to all drivers --- system/database/DB_driver.php | 1 + 1 file changed, 1 insertion(+) (limited to 'system/database/DB_driver.php') diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index a99444167..d326282c8 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -46,6 +46,7 @@ abstract class CI_DB_driver { public $hostname; public $database; public $dbdriver = 'mysql'; + public $subdriver; public $dbprefix = ''; public $char_set = 'utf8'; public $dbcollat = 'utf8_general_ci'; -- cgit v1.2.3-24-g4f1b From 75546118c628fc17ba2f1ef97442760a701aa8e8 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 5 Jul 2012 11:01:29 +0300 Subject: Move _insert() and _update() defaults from Query Builder to DB_driver so that they're available for use by insert_string() and update_string() at all times --- system/database/DB_driver.php | 63 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 60 insertions(+), 3 deletions(-) (limited to 'system/database/DB_driver.php') diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index 334bdbd04..ebf828c4e 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -45,7 +45,7 @@ abstract class CI_DB_driver { public $password; public $hostname; public $database; - public $dbdriver = 'mysql'; + public $dbdriver = 'mysqli'; public $dbprefix = ''; public $char_set = 'utf8'; public $dbcollat = 'utf8_general_ci'; @@ -77,6 +77,12 @@ abstract class CI_DB_driver { protected $_protect_identifiers = TRUE; protected $_reserved_identifiers = array('*'); // Identifiers that should NOT be escaped + /** + * Constructor + * + * @param array + * @return void + */ public function __construct($params) { if (is_array($params)) @@ -855,7 +861,7 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- /** - * Fetch MySQL Field Names + * Fetch Field Names * * @param string the table name * @return array @@ -1029,6 +1035,23 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + protected function _insert($table, $keys, $values) + { + return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; + } + + // -------------------------------------------------------------------- + /** * Generate an update string * @@ -1081,6 +1104,41 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @param array the like clause + * @return string + */ + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + { + foreach ($values as $key => $val) + { + $valstr[] = $key.' = '.$val; + } + + $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); + + if ( ! empty($like)) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); + } + + return 'UPDATE '.$table.' SET '.implode(', ', $valstr) + .$where + .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '') + .($limit ? ' LIMIT '.$limit : ''); + } + + // -------------------------------------------------------------------- + /** * Tests whether the string has an SQL operator * @@ -1171,7 +1229,6 @@ abstract class CI_DB_driver { return $this->cache_on = FALSE; } - // -------------------------------------------------------------------- /** -- cgit v1.2.3-24-g4f1b From 77a5d94974f546fb5f1cb04cfca4dbdf54f1d46b Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 5 Jul 2012 15:42:14 +0300 Subject: Add a default _count_string property --- system/database/DB_driver.php | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'system/database/DB_driver.php') diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index ebf828c4e..d5367b4d2 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -77,6 +77,13 @@ abstract class CI_DB_driver { protected $_protect_identifiers = TRUE; protected $_reserved_identifiers = array('*'); // Identifiers that should NOT be escaped + /** + * The syntax to count rows is slightly different across different + * database engines, so this string appears in each driver and is + * used for the count_all() and count_all_results() functions. + */ + protected $_count_string = 'SELECT COUNT(*) AS '; + /** * Constructor * -- cgit v1.2.3-24-g4f1b From 49aa45b45e1cc83cb61d1524ba32d6c188dac2e1 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Fri, 6 Jul 2012 16:22:21 +0300 Subject: Fix a few join() bugs --- system/database/DB_driver.php | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'system/database/DB_driver.php') diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index d5367b4d2..1060ecc6c 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -970,7 +970,7 @@ abstract class CI_DB_driver { */ public function escape_identifiers($item) { - if ($this->_escape_char === '') + if ($this->_escape_char === '' OR empty($item)) { return $item; } @@ -983,8 +983,8 @@ abstract class CI_DB_driver { return $item; } - // Avoid breaking functions inside queries - elseif (strpos($item, '(') !== FALSE) + // Avoid breaking functions and literal values inside queries + elseif (ctype_digit($item) OR $item[0] === "'" OR strpos($item, '(') !== FALSE) { return $item; } -- cgit v1.2.3-24-g4f1b