From 0e8968ab7c309d17cd61079f7554ced1411a8792 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 26 Jan 2012 02:04:37 +0200 Subject: Improve the SQLSRV (MSSQL) database driver --- system/database/drivers/sqlsrv/sqlsrv_forge.php | 138 ++++++++---------------- 1 file changed, 42 insertions(+), 96 deletions(-) (limited to 'system/database/drivers/sqlsrv/sqlsrv_forge.php') diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index 2a7766927..1367ddc77 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -1,13 +1,13 @@ -db->_escape_identifiers($table); + return 'DROP TABLE '.$this->db->_escape_identifiers($table); } // -------------------------------------------------------------------- @@ -80,15 +76,14 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { /** * Create Table * - * @access private * @param string the table name * @param array the fields * @param mixed primary key(s) * @param mixed key(s) - * @param boolean should 'IF NOT EXISTS' be added to the SQL - * @return bool + * @param bool should 'IF NOT EXISTS' be added to the SQL + * @return string */ - function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -97,54 +92,29 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { $sql .= 'IF NOT EXISTS '; } - $sql .= $this->db->_escape_identifiers($table)." ("; + $sql .= $this->db->_escape_identifiers($table).' ('; $current_field_count = 0; - foreach ($fields as $field=>$attributes) + foreach ($fields as $field => $attributes) { // Numeric field names aren't allowed in databases, so if the key is // numeric, we know it was assigned by PHP and the developer manually // entered the field information, so we'll simply add it to the list if (is_numeric($field)) { - $sql .= "\n\t$attributes"; + $sql .= "\n\t".$attributes; } else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->_protect_identifiers($field); - - $sql .= ' '.$attributes['TYPE']; - - if (array_key_exists('CONSTRAINT', $attributes)) - { - $sql .= '('.$attributes['CONSTRAINT'].')'; - } - - if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) - { - $sql .= ' UNSIGNED'; - } - - if (array_key_exists('DEFAULT', $attributes)) - { - $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; - } - - if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - - if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) - { - $sql .= ' AUTO_INCREMENT'; - } + $sql .= "\n\t".$this->db->protect_identifiers($field) + .' '.$attributes['TYPE'] + .(array_key_exists('CONSTRAINT', $attributes) ? '('.$attributes['CONSTRAINT'].')' : '') + .((array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') + .(array_key_exists('DEFAULT', $attributes) ? ' DEFAULT \''.$attributes['DEFAULT'].'\'' : '') + .((array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') + .((array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); } // don't add a comma on the end of the last field @@ -156,8 +126,8 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { if (count($primary_keys) > 0) { - $primary_keys = $this->db->_protect_identifiers($primary_keys); - $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + $primary_keys = $this->db->protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (".implode(', ', $primary_keys).')'; } if (is_array($keys) && count($keys) > 0) @@ -166,20 +136,18 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { { if (is_array($key)) { - $key = $this->db->_protect_identifiers($key); + $key = $this->db->protect_identifiers($key); } else { - $key = array($this->db->_protect_identifiers($key)); + $key = array($this->db->protect_identifiers($key)); } - $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')'; } } - $sql .= "\n)"; - - return $sql; + return $sql."\n)"; } // -------------------------------------------------------------------- @@ -190,7 +158,6 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { * Generates a platform-specific query so that a table can be altered * Called by add_column(), drop_column(), and column_alter(), * - * @access private * @param string the ALTER type (ADD, DROP, CHANGE) * @param string the column name * @param string the table name @@ -200,9 +167,9 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return object */ - function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table).' '.$alter_type.' '.$this->db->_protect_identifiers($column_name); // DROP has everything it needs now. if ($alter_type == 'DROP') @@ -210,29 +177,10 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { return $sql; } - $sql .= " $column_definition"; - - if ($default_value != '') - { - $sql .= " DEFAULT \"$default_value\""; - } - - if ($null === NULL) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - - if ($after_field != '') - { - $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); - } - - return $sql; - + return $sql.' '.$column_definition + .($default_value != '' ? ' DEFAULT "'.$default_value.'"' : '') + .($null === NULL ? ' NULL' : ' NOT NULL') + .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } // -------------------------------------------------------------------- @@ -242,19 +190,17 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { * * Generates a platform-specific query so that a table can be renamed * - * @access private * @param string the old table name * @param string the new table name * @return string */ - function _rename_table($table_name, $new_table_name) + public function _rename_table($table_name, $new_table_name) { // I think this syntax will work, but can find little documentation on renaming tables in MSSQL - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); - return $sql; + return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); } } -/* End of file mssql_forge.php */ -/* Location: ./system/database/drivers/mssql/mssql_forge.php */ \ No newline at end of file +/* End of file sqlsrv_forge.php */ +/* Location: ./system/database/drivers/sqlsrv/sqlsrv_forge.php */ -- cgit v1.2.3-24-g4f1b From 684ee3a330c90744b249b48212d85dfe4d3b1caf Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 26 Jan 2012 14:17:39 +0200 Subject: Replace array_key_exists() with isset() --- system/database/drivers/sqlsrv/sqlsrv_forge.php | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'system/database/drivers/sqlsrv/sqlsrv_forge.php') diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index 1367ddc77..c0271f671 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -110,11 +110,11 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { $sql .= "\n\t".$this->db->protect_identifiers($field) .' '.$attributes['TYPE'] - .(array_key_exists('CONSTRAINT', $attributes) ? '('.$attributes['CONSTRAINT'].')' : '') - .((array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') - .(array_key_exists('DEFAULT', $attributes) ? ' DEFAULT \''.$attributes['DEFAULT'].'\'' : '') - .((array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') - .((array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); + .(isset($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '') + .((isset($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') + .(isset($attributes['DEFAULT']) ? ' DEFAULT \''.$attributes['DEFAULT'].'\'' : '') + .((isset($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') + .((isset($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); } // don't add a comma on the end of the last field -- cgit v1.2.3-24-g4f1b From 993f932cb27f68ac4a3272502a823af0835b291c Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 26 Jan 2012 14:49:23 +0200 Subject: Another minor improvement and fix a possible false-positive --- system/database/drivers/sqlsrv/sqlsrv_forge.php | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'system/database/drivers/sqlsrv/sqlsrv_forge.php') diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index c0271f671..3beb86b4e 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -110,11 +110,11 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { $sql .= "\n\t".$this->db->protect_identifiers($field) .' '.$attributes['TYPE'] - .(isset($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '') - .((isset($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') + .( ! empty($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '') + .(( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') .(isset($attributes['DEFAULT']) ? ' DEFAULT \''.$attributes['DEFAULT'].'\'' : '') - .((isset($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') - .((isset($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); + .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') + .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); } // don't add a comma on the end of the last field -- cgit v1.2.3-24-g4f1b From 650f2a2bc15dd575f50446dcc1315c131652ca49 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 26 May 2012 18:56:29 +0300 Subject: Fix issue #862 --- system/database/drivers/sqlsrv/sqlsrv_forge.php | 39 ++++++++----------------- 1 file changed, 12 insertions(+), 27 deletions(-) (limited to 'system/database/drivers/sqlsrv/sqlsrv_forge.php') diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index e9143b269..c817c2c5d 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -48,16 +48,13 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { */ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { - $sql = 'CREATE TABLE '; + $sql = ($if_not_exists === TRUE) + ? "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'".$table."') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\n" + : ''; - if ($if_not_exists === TRUE) - { - $sql .= 'IF NOT EXISTS '; - } + $sql .= 'CREATE TABLE '.$this->db->escape_identifiers($table).' ('; - $sql .= $this->db->escape_identifiers($table).' ('; $current_field_count = 0; - foreach ($fields as $field => $attributes) { // Numeric field names aren't allowed in databases, so if the key is @@ -65,15 +62,13 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { // entered the field information, so we'll simply add it to the list if (is_numeric($field)) { - $sql .= "\n\t$attributes"; + $sql .= "\n\t".$attributes; } else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->protect_identifiers($field); - - $sql .= ' '.$attributes['TYPE']; + $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE']; if (array_key_exists('CONSTRAINT', $attributes)) { @@ -115,7 +110,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { if (count($primary_keys) > 0) { $primary_keys = $this->db->protect_identifiers($primary_keys); - $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + $sql .= ",\n\tPRIMARY KEY (".implode(', ', $primary_keys).')'; } if (is_array($keys) && count($keys) > 0) @@ -131,13 +126,11 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { $key = array($this->db->protect_identifiers($key)); } - $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')'; } } - $sql .= "\n)"; - - return $sql; + return $sql."\n)"; } // -------------------------------------------------------------------- @@ -167,21 +160,14 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { return $sql; } - $sql .= " $column_definition"; + $sql .= ' '.$column_definition; if ($default_value != '') { - $sql .= " DEFAULT \"$default_value\""; + $sql .= " DEFAULT '".$default_value."'"; } - if ($null === NULL) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } + $sql .= ($null === NULL) ? ' NULL' : ' NOT NULL'; if ($after_field != '') { @@ -189,7 +175,6 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { } return $sql; - } } -- cgit v1.2.3-24-g4f1b From 48a2baf0e288accd206f5da5031d29076e130792 Mon Sep 17 00:00:00 2001 From: Alex Bilbie Date: Sat, 2 Jun 2012 11:09:54 +0100 Subject: Replaced `==` with `===` and `!=` with `!==` in /system/database --- system/database/drivers/sqlsrv/sqlsrv_forge.php | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'system/database/drivers/sqlsrv/sqlsrv_forge.php') diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index c817c2c5d..1529b2a21 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -155,21 +155,21 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name); // DROP has everything it needs now. - if ($alter_type == 'DROP') + if ($alter_type === 'DROP') { return $sql; } $sql .= ' '.$column_definition; - if ($default_value != '') + if ($default_value !== '') { $sql .= " DEFAULT '".$default_value."'"; } $sql .= ($null === NULL) ? ' NULL' : ' NOT NULL'; - if ($after_field != '') + if ($after_field !== '') { return $sql.' AFTER '.$this->db->protect_identifiers($after_field); } -- cgit v1.2.3-24-g4f1b From 1f26edc61f314a74cd93fcdf688b3780734e0e96 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 7 Jun 2012 16:13:54 +0300 Subject: Added a work-around for MSSQL/SQLSRV create_table() with INT column types (column lengths are not supported) --- system/database/drivers/sqlsrv/sqlsrv_forge.php | 1 + 1 file changed, 1 insertion(+) (limited to 'system/database/drivers/sqlsrv/sqlsrv_forge.php') diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index 1529b2a21..bd107476e 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -67,6 +67,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { else { $attributes = array_change_key_case($attributes, CASE_UPPER); + $attributes['TYPE'] = preg_replace('/(INT)\(\d+\)/i', '$1', $attributes['TYPE']); $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE']; -- cgit v1.2.3-24-g4f1b From af4d55da04b8d8750b59e04e46463d525237b74b Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Thu, 7 Jun 2012 16:22:35 +0300 Subject: Fix issue #861 (and previous commit, for that matter) --- system/database/drivers/sqlsrv/sqlsrv_forge.php | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'system/database/drivers/sqlsrv/sqlsrv_forge.php') diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index bd107476e..d8b5193fa 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -67,11 +67,10 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $attributes['TYPE'] = preg_replace('/(INT)\(\d+\)/i', '$1', $attributes['TYPE']); $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE']; - if (array_key_exists('CONSTRAINT', $attributes)) + if (stripos($attributes['TYPE'], 'INT') === FALSE && ! empty($attributes['CONSTRAINT'])) { $sql .= '('.$attributes['CONSTRAINT'].')'; } -- cgit v1.2.3-24-g4f1b