From 24276a3a204ddf5947c66bd74f183d8058c1171e Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sun, 8 Jan 2012 02:44:38 +0200 Subject: Improve database classes --- system/database/DB_forge.php | 94 ++++++++++++-------------------------------- 1 file changed, 25 insertions(+), 69 deletions(-) (limited to 'system/database/DB_forge.php') diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php index 762d18a46..336e9497d 100644 --- a/system/database/DB_forge.php +++ b/system/database/DB_forge.php @@ -1,13 +1,13 @@ -db $CI =& get_instance(); $this->db =& $CI->db; - log_message('debug', "Database Forge Class Initialized"); + log_message('debug', 'Database Forge Class Initialized'); } // -------------------------------------------------------------------- @@ -60,20 +54,13 @@ class CI_DB_forge { /** * Create database * - * @access public * @param string the database name * @return bool */ - function create_database($db_name) + public function create_database($db_name) { $sql = $this->_create_database($db_name); - - if (is_bool($sql)) - { - return $sql; - } - - return $this->db->query($sql); + return is_bool($sql) ? $sql : $this->db->query($sql); } // -------------------------------------------------------------------- @@ -81,20 +68,13 @@ class CI_DB_forge { /** * Drop database * - * @access public * @param string the database name * @return bool */ - function drop_database($db_name) + public function drop_database($db_name) { $sql = $this->_drop_database($db_name); - - if (is_bool($sql)) - { - return $sql; - } - - return $this->db->query($sql); + return is_bool($sql) ? $sql : $this->db->query($sql); } // -------------------------------------------------------------------- @@ -152,7 +132,7 @@ class CI_DB_forge { if (is_string($field)) { - if ($field == 'id') + if ($field === 'id') { $this->add_field(array( 'id' => array( @@ -178,7 +158,7 @@ class CI_DB_forge { { $this->fields = array_merge($this->fields, $field); } - + return $this; } @@ -197,21 +177,14 @@ class CI_DB_forge { show_error('A table name is required for that operation.'); } - if (count($this->fields) == 0) + if (count($this->fields) === 0) { show_error('Field information is required.'); } $sql = $this->_create_table($this->db->dbprefix.$table, $this->fields, $this->primary_keys, $this->keys, $if_not_exists); - $this->_reset(); - - if (is_bool($sql)) - { - return $sql; - } - - return $this->db->query($sql); + return is_bool($sql) ? $sql : $this->db->query($sql); } // -------------------------------------------------------------------- @@ -225,13 +198,7 @@ class CI_DB_forge { public function drop_table($table_name) { $sql = $this->_drop_table($this->db->dbprefix.$table_name); - - if (is_bool($sql)) - { - return $sql; - } - - return $this->db->query($sql); + return is_bool($sql) ? $sql : $this->db->query($sql); } // -------------------------------------------------------------------- @@ -250,8 +217,7 @@ class CI_DB_forge { show_error('A table name is required for that operation.'); } - $sql = $this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name); - return $this->db->query($sql); + return $this->db->query($this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name)); } // -------------------------------------------------------------------- @@ -273,8 +239,7 @@ class CI_DB_forge { // add field info into field array, but we can only do one at a time // so we cycle through - - foreach ($field as $k => $v) + foreach (array_keys($field) as $k) { $this->add_field(array($k => $field[$k])); @@ -284,7 +249,6 @@ class CI_DB_forge { } $sql = $this->_alter_table('ADD', $this->db->dbprefix.$table, $this->fields, $after_field); - $this->_reset(); if ($this->db->query($sql) === FALSE) @@ -307,7 +271,6 @@ class CI_DB_forge { */ public function drop_column($table = '', $column_name = '') { - if ($table == '') { show_error('A table name is required for that operation.'); @@ -318,9 +281,7 @@ class CI_DB_forge { show_error('A column name is required for that operation.'); } - $sql = $this->_alter_table('DROP', $this->db->dbprefix.$table, $column_name); - - return $this->db->query($sql); + return $this->db->query($this->_alter_table('DROP', $this->db->dbprefix.$table, $column_name)); } // -------------------------------------------------------------------- @@ -342,8 +303,7 @@ class CI_DB_forge { // add field info into field array, but we can only do one at a time // so we cycle through - - foreach ($field as $k => $v) + foreach (array_keys($field) as $k) { // If no name provided, use the current name if ( ! isset($field[$k]['name'])) @@ -352,14 +312,12 @@ class CI_DB_forge { } $this->add_field(array($k => $field[$k])); - - if (count($this->fields) == 0) + if (count($this->fields) === 0) { show_error('Field information is required.'); } $sql = $this->_alter_table('CHANGE', $this->db->dbprefix.$table, $this->fields); - $this->_reset(); if ($this->db->query($sql) === FALSE) @@ -382,12 +340,10 @@ class CI_DB_forge { */ protected function _reset() { - $this->fields = array(); - $this->keys = array(); - $this->primary_keys = array(); + $this->fields = $this->keys = $this->primary_keys = array(); } } /* End of file DB_forge.php */ -/* Location: ./system/database/DB_forge.php */ \ No newline at end of file +/* Location: ./system/database/DB_forge.php */ -- cgit v1.2.3-24-g4f1b