From 11454e039fd82f2fd4ee2f186ad0317e3435f187 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Wed, 22 Feb 2012 16:05:47 +0200 Subject: Add an optional database name parameter to db_select() --- system/database/drivers/mysql/mysql_driver.php | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'system/database/drivers/mysql/mysql_driver.php') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 067710ff0..207a68f14 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -119,11 +119,12 @@ class CI_DB_mysql_driver extends CI_DB { /** * Select the database * + * @param string database name * @return bool */ - public function db_select() + public function db_select($database = '') { - return @mysql_select_db($this->database, $this->conn_id); + return @mysql_select_db(($database == '' ? $this->database : $database), $this->conn_id); } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b From 024ba2dffd49e26f68468acd69feebd685f63f68 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Fri, 24 Feb 2012 11:40:36 +0200 Subject: Update database property when switching to a new one --- system/database/drivers/mysql/mysql_driver.php | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'system/database/drivers/mysql/mysql_driver.php') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 207a68f14..c88a8a766 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -124,7 +124,18 @@ class CI_DB_mysql_driver extends CI_DB { */ public function db_select($database = '') { - return @mysql_select_db(($database == '' ? $this->database : $database), $this->conn_id); + if ($database === '') + { + $database = $this->database; + } + + if (@mysql_select_db($database, $this->conn_id)) + { + $this->database = $database; + return TRUE; + } + + return FALSE; } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b From 4be5de1d11eefd9f0b7cf0589a2942f067cefe35 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Fri, 2 Mar 2012 15:45:41 +0200 Subject: Replaced DB methods _error_message() and _error_number() with error() (issue #1097) --- system/database/drivers/mysql/mysql_driver.php | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) (limited to 'system/database/drivers/mysql/mysql_driver.php') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index c88a8a766..a7f08d1a8 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -417,25 +417,16 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @return string - */ - protected function _error_message() - { - return mysql_error($this->conn_id); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @return int + * @return array */ - protected function _error_number() + public function error() { - return mysql_errno($this->conn_id); + return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id)); } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b From 08856b8738ea4fc17b13986c9f2619383cb4a6e9 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 3 Mar 2012 03:19:28 +0200 Subject: Improve DB version() implementation and add pg_version() support --- system/database/drivers/mysql/mysql_driver.php | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'system/database/drivers/mysql/mysql_driver.php') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index a7f08d1a8..7108a6db1 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -157,13 +157,15 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { - return 'SELECT version() AS ver'; + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id); } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b From 8e89df8f92444eb02dc73b6c3e66077a4fb3f710 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 3 Mar 2012 03:48:12 +0200 Subject: Add db_set_charset() support for PostgreSQL and change its implementation for 'mysql' --- system/database/drivers/mysql/mysql_driver.php | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'system/database/drivers/mysql/mysql_driver.php') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 7108a6db1..84f7791c7 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -147,7 +147,7 @@ class CI_DB_mysql_driver extends CI_DB { * @param string * @return bool */ - public function db_set_charset($charset, $collation) + protected function _db_set_charset($charset, $collation) { return function_exists('mysql_set_charset') ? @mysql_set_charset($charset, $this->conn_id) -- cgit v1.2.3-24-g4f1b From 3722e50439fd88281f8730fd329b41812cd19963 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 3 Mar 2012 15:04:38 +0200 Subject: Fix MySQL/MySQLi field_data() --- system/database/drivers/mysql/mysql_driver.php | 31 +++++++++++++++++++++----- 1 file changed, 25 insertions(+), 6 deletions(-) (limited to 'system/database/drivers/mysql/mysql_driver.php') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 84f7791c7..7fd08a6ed 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -404,16 +404,35 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Field data query - * - * Generates a platform-specific query so that the column data can be retrieved + * Returns an object with field data * * @param string the table name - * @return string + * @return object */ - public function _field_data($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(); + + $retval = array(); + for ($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; } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b