From fc7564545fb166553a7080b8dbd2b9941925734d Mon Sep 17 00:00:00 2001 From: danmontgomery Date: Sun, 21 Aug 2011 15:31:22 -0400 Subject: Fixed issue #150 (for mysql and mysqli), now returns the actual column length. --- system/database/drivers/mysql/mysql_driver.php | 2 +- system/database/drivers/mysql/mysql_result.php | 17 +++++++++++------ 2 files changed, 12 insertions(+), 7 deletions(-) (limited to 'system/database/drivers/mysql') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 872504564..f87cfea4b 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -441,7 +441,7 @@ class CI_DB_mysql_driver extends CI_DB { */ function _field_data($table) { - return "SELECT * FROM ".$table." LIMIT 1"; + return "DESCRIBE ".$table; } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php index 507389603..2d2905c98 100644 --- a/system/database/drivers/mysql/mysql_result.php +++ b/system/database/drivers/mysql/mysql_result.php @@ -84,14 +84,19 @@ class CI_DB_mysql_result extends CI_DB_result { function field_data() { $retval = array(); - while ($field = mysql_fetch_field($this->result_id)) + while ($field = mysql_fetch_object($this->result_id)) { + preg_match('/([a-zA-Z]+)\((\d+)\)/', $field->Type, $matches); + + $type = $matches[1]; + $length = (int)$matches[2]; + $F = new stdClass(); - $F->name = $field->name; - $F->type = $field->type; - $F->default = $field->def; - $F->max_length = $field->max_length; - $F->primary_key = $field->primary_key; + $F->name = $field->Field; + $F->type = $type; + $F->default = $field->Default; + $F->max_length = $length; + $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 ); $retval[] = $F; } -- cgit v1.2.3-24-g4f1b From 4c907236af3b6dc11a7b4989ece1c84a26483c46 Mon Sep 17 00:00:00 2001 From: Phil Sturgeon Date: Sun, 28 Aug 2011 17:11:03 +0100 Subject: Fixed recent change to $this->db->field_data() which errored for field types without constraints. It now uses a less expecting regex and defaults to NULL. --- system/database/drivers/mysql/mysql_result.php | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'system/database/drivers/mysql') diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php index 2d2905c98..6ceaf4b9b 100644 --- a/system/database/drivers/mysql/mysql_result.php +++ b/system/database/drivers/mysql/mysql_result.php @@ -86,10 +86,10 @@ class CI_DB_mysql_result extends CI_DB_result { $retval = array(); while ($field = mysql_fetch_object($this->result_id)) { - preg_match('/([a-zA-Z]+)\((\d+)\)/', $field->Type, $matches); + preg_match('/([a-zA-Z]+)(\((\d+)\))?/i', $field->Type, $matches); $type = $matches[1]; - $length = (int)$matches[2]; + $length = isset($matches[3]) ? (int) $matches[3] : NULL; $F = new stdClass(); $F->name = $field->Field; -- cgit v1.2.3-24-g4f1b From cfdb232b98dc7f6ba0e78ba95b5f89de8f423d21 Mon Sep 17 00:00:00 2001 From: RH Becker Date: Mon, 3 Oct 2011 17:28:32 -0700 Subject: Issue 352: Since the MySQL client API version matters, PHP and MySQL version checks are not sufficient to determine that set_charset functions exist. --- system/database/drivers/mysql/mysql_driver.php | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-) (limited to 'system/database/drivers/mysql') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index f87cfea4b..dc020c624 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -56,7 +56,7 @@ class CI_DB_mysql_driver extends CI_DB { // whether SET NAMES must be used to set the character set var $use_set_names; - + /** * Non-persistent database connection * @@ -135,20 +135,9 @@ class CI_DB_mysql_driver extends CI_DB { */ function db_set_charset($charset, $collation) { - if ( ! isset($this->use_set_names)) - { - // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback - $this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; - } - - if ($this->use_set_names === TRUE) - { - return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); - } - else - { - return @mysql_set_charset($charset, $this->conn_id); - } + return function_exists('mysql_set_charset') + ? @mysql_set_charset($charset, $this->conn_id) + : @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b