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This commit is contained in:
Eike Foken
2011-09-13 19:15:50 +02:00
parent 8dd1099e04
commit a8c2551be2
53 changed files with 1949 additions and 578 deletions
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12
system/database/DB.php
View File

@@ -28,11 +28,11 @@ function &DB($params = '', $active_record_override = NULL)
if (is_string($params) AND strpos($params, '://') === FALSE)
{
// Is the config file in the environment folder?
if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database'.EXT))
if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php'))
{
if ( ! file_exists($file_path = APPPATH.'config/database'.EXT))
if ( ! file_exists($file_path = APPPATH.'config/database.php'))
{
show_error('The configuration file database'.EXT.' does not exist.');
show_error('The configuration file database.php does not exist.');
}
}
@@ -116,11 +116,11 @@ function &DB($params = '', $active_record_override = NULL)
$active_record = $active_record_override;
}
require_once(BASEPATH.'database/DB_driver'.EXT);
require_once(BASEPATH.'database/DB_driver.php');
if ( ! isset($active_record) OR $active_record == TRUE)
{
require_once(BASEPATH.'database/DB_active_rec'.EXT);
require_once(BASEPATH.'database/DB_active_rec.php');
if ( ! class_exists('CI_DB'))
{
@@ -135,7 +135,7 @@ function &DB($params = '', $active_record_override = NULL)
}
}
require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver'.EXT);
require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php');
// Instantiate the DB adapter
$driver = 'CI_DB_'.$params['dbdriver'].'_driver';

300
system/database/DB_active_rec.php
View File

@@ -58,7 +58,9 @@ class CI_DB_active_record extends CI_DB_driver {
var $ar_cache_having = array();
var $ar_cache_orderby = array();
var $ar_cache_set = array();
var $ar_no_escape = array();
var $ar_cache_no_escape = array();
// --------------------------------------------------------------------
@@ -67,18 +69,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Generates the SELECT portion of the query
*
* @access public
* @param string
* @return object
*/
function select($select = '*', $escape = NULL)
public function select($select = '*', $escape = NULL)
{
// Set the global value if this was sepecified
if (is_bool($escape))
{
$this->_protect_identifiers = $escape;
}
if (is_string($select))
{
$select = explode(',', $select);
@@ -91,11 +86,13 @@ class CI_DB_active_record extends CI_DB_driver {
if ($val != '')
{
$this->ar_select[] = $val;
$this->ar_no_escape[] = $escape;
if ($this->ar_caching === TRUE)
{
$this->ar_cache_select[] = $val;
$this->ar_cache_exists[] = 'select';
$this->ar_cache_no_escape[] = $escape;
}
}
}
@@ -109,12 +106,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Generates a SELECT MAX(field) portion of a query
*
* @access public
* @param string the field
* @param string an alias
* @return object
*/
function select_max($select = '', $alias = '')
public function select_max($select = '', $alias = '')
{
return $this->_max_min_avg_sum($select, $alias, 'MAX');
}
@@ -126,12 +122,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Generates a SELECT MIN(field) portion of a query
*
* @access public
* @param string the field
* @param string an alias
* @return object
*/
function select_min($select = '', $alias = '')
public function select_min($select = '', $alias = '')
{
return $this->_max_min_avg_sum($select, $alias, 'MIN');
}
@@ -143,12 +138,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Generates a SELECT AVG(field) portion of a query
*
* @access public
* @param string the field
* @param string an alias
* @return object
*/
function select_avg($select = '', $alias = '')
public function select_avg($select = '', $alias = '')
{
return $this->_max_min_avg_sum($select, $alias, 'AVG');
}
@@ -160,12 +154,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Generates a SELECT SUM(field) portion of a query
*
* @access public
* @param string the field
* @param string an alias
* @return object
*/
function select_sum($select = '', $alias = '')
public function select_sum($select = '', $alias = '')
{
return $this->_max_min_avg_sum($select, $alias, 'SUM');
}
@@ -180,12 +173,11 @@ class CI_DB_active_record extends CI_DB_driver {
* select_avg()
* select_sum()
*
* @access public
* @param string the field
* @param string an alias
* @return object
*/
function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX')
protected function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX')
{
if ( ! is_string($select) OR $select == '')
{
@@ -222,11 +214,10 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Determines the alias name based on the table
*
* @access private
* @param string
* @return string
*/
function _create_alias_from_table($item)
protected function _create_alias_from_table($item)
{
if (strpos($item, '.') !== FALSE)
{
@@ -243,11 +234,10 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Sets a flag which tells the query string compiler to add DISTINCT
*
* @access public
* @param bool
* @return object
*/
function distinct($val = TRUE)
public function distinct($val = TRUE)
{
$this->ar_distinct = (is_bool($val)) ? $val : TRUE;
return $this;
@@ -260,11 +250,10 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Generates the FROM portion of the query
*
* @access public
* @param mixed can be a string or array
* @return object
*/
function from($from)
public function from($from)
{
foreach ((array)$from as $val)
{
@@ -313,13 +302,12 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Generates the JOIN portion of the query
*
* @access public
* @param string
* @param string the join condition
* @param string the type of join
* @return object
*/
function join($table, $cond, $type = '')
public function join($table, $cond, $type = '')
{
if ($type != '')
{
@@ -369,12 +357,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates the WHERE portion of the query. Separates
* multiple calls with AND
*
* @access public
* @param mixed
* @param mixed
* @return object
*/
function where($key, $value = NULL, $escape = TRUE)
public function where($key, $value = NULL, $escape = TRUE)
{
return $this->_where($key, $value, 'AND ', $escape);
}
@@ -387,12 +374,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates the WHERE portion of the query. Separates
* multiple calls with OR
*
* @access public
* @param mixed
* @param mixed
* @return object
*/
function or_where($key, $value = NULL, $escape = TRUE)
public function or_where($key, $value = NULL, $escape = TRUE)
{
return $this->_where($key, $value, 'OR ', $escape);
}
@@ -402,15 +388,14 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Where
*
* Called by where() or orwhere()
* Called by where() or or_where()
*
* @access private
* @param mixed
* @param mixed
* @param string
* @return object
*/
function _where($key, $value = NULL, $type = 'AND ', $escape = NULL)
protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL)
{
if ( ! is_array($key))
{
@@ -441,10 +426,10 @@ class CI_DB_active_record extends CI_DB_driver {
$v = ' '.$this->escape($v);
}
if ( ! $this->_has_operator($k))
{
$k .= ' =';
$k .= ' = ';
}
}
else
@@ -473,12 +458,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a WHERE field IN ('item', 'item') SQL query joined with
* AND if appropriate
*
* @access public
* @param string The field to search
* @param array The values searched on
* @return object
*/
function where_in($key = NULL, $values = NULL)
public function where_in($key = NULL, $values = NULL)
{
return $this->_where_in($key, $values);
}
@@ -491,12 +475,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a WHERE field IN ('item', 'item') SQL query joined with
* OR if appropriate
*
* @access public
* @param string The field to search
* @param array The values searched on
* @return object
*/
function or_where_in($key = NULL, $values = NULL)
public function or_where_in($key = NULL, $values = NULL)
{
return $this->_where_in($key, $values, FALSE, 'OR ');
}
@@ -509,12 +492,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a WHERE field NOT IN ('item', 'item') SQL query joined
* with AND if appropriate
*
* @access public
* @param string The field to search
* @param array The values searched on
* @return object
*/
function where_not_in($key = NULL, $values = NULL)
public function where_not_in($key = NULL, $values = NULL)
{
return $this->_where_in($key, $values, TRUE);
}
@@ -527,12 +509,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a WHERE field NOT IN ('item', 'item') SQL query joined
* with OR if appropriate
*
* @access public
* @param string The field to search
* @param array The values searched on
* @return object
*/
function or_where_not_in($key = NULL, $values = NULL)
public function or_where_not_in($key = NULL, $values = NULL)
{
return $this->_where_in($key, $values, TRUE, 'OR ');
}
@@ -544,14 +525,13 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Called by where_in, where_in_or, where_not_in, where_not_in_or
*
* @access public
* @param string The field to search
* @param array The values searched on
* @param boolean If the statement would be IN or NOT IN
* @param string
* @return object
*/
function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ')
protected function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ')
{
if ($key === NULL OR $values === NULL)
{
@@ -594,12 +574,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a %LIKE% portion of the query. Separates
* multiple calls with AND
*
* @access public
* @param mixed
* @param mixed
* @return object
*/
function like($field, $match = '', $side = 'both')
public function like($field, $match = '', $side = 'both')
{
return $this->_like($field, $match, 'AND ', $side);
}
@@ -612,12 +591,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a NOT LIKE portion of the query. Separates
* multiple calls with AND
*
* @access public
* @param mixed
* @param mixed
* @return object
*/
function not_like($field, $match = '', $side = 'both')
public function not_like($field, $match = '', $side = 'both')
{
return $this->_like($field, $match, 'AND ', $side, 'NOT');
}
@@ -630,12 +608,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a %LIKE% portion of the query. Separates
* multiple calls with OR
*
* @access public
* @param mixed
* @param mixed
* @return object
*/
function or_like($field, $match = '', $side = 'both')
public function or_like($field, $match = '', $side = 'both')
{
return $this->_like($field, $match, 'OR ', $side);
}
@@ -648,12 +625,11 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a NOT LIKE portion of the query. Separates
* multiple calls with OR
*
* @access public
* @param mixed
* @param mixed
* @return object
*/
function or_not_like($field, $match = '', $side = 'both')
public function or_not_like($field, $match = '', $side = 'both')
{
return $this->_like($field, $match, 'OR ', $side, 'NOT');
}
@@ -665,13 +641,12 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Called by like() or orlike()
*
* @access private
* @param mixed
* @param mixed
* @param string
* @return object
*/
function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '')
protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '')
{
if ( ! is_array($field))
{
@@ -721,11 +696,10 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* GROUP BY
*
* @access public
* @param string
* @return object
*/
function group_by($by)
public function group_by($by)
{
if (is_string($by))
{
@@ -757,12 +731,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Separates multiple calls with AND
*
* @access public
* @param string
* @param string
* @return object
*/
function having($key, $value = '', $escape = TRUE)
public function having($key, $value = '', $escape = TRUE)
{
return $this->_having($key, $value, 'AND ', $escape);
}
@@ -774,12 +747,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Separates multiple calls with OR
*
* @access public
* @param string
* @param string
* @return object
*/
function or_having($key, $value = '', $escape = TRUE)
public function or_having($key, $value = '', $escape = TRUE)
{
return $this->_having($key, $value, 'OR ', $escape);
}
@@ -791,12 +763,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Called by having() or or_having()
*
* @access private
* @param string
* @param string
* @return object
*/
function _having($key, $value = '', $type = 'AND ', $escape = TRUE)
protected function _having($key, $value = '', $type = 'AND ', $escape = TRUE)
{
if ( ! is_array($key))
{
@@ -819,7 +790,7 @@ class CI_DB_active_record extends CI_DB_driver {
if ($v != '')
{
$v = ' '.$this->escape_str($v);
$v = ' '.$this->escape($v);
}
$this->ar_having[] = $prefix.$k.$v;
@@ -838,12 +809,11 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Sets the ORDER BY value
*
* @access public
* @param string
* @param string direction: asc or desc
* @return object
*/
function order_by($orderby, $direction = '')
public function order_by($orderby, $direction = '')
{
if (strtolower($direction) == 'random')
{
@@ -894,12 +864,11 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Sets the LIMIT value
*
* @access public
* @param integer the limit value
* @param integer the offset value
* @return object
*/
function limit($value, $offset = '')
public function limit($value, $offset = '')
{
$this->ar_limit = $value;
@@ -916,11 +885,10 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Sets the OFFSET value
*
* @access public
* @param integer the offset value
* @return object
*/
function offset($offset)
public function offset($offset)
{
$this->ar_offset = $offset;
return $this;
@@ -931,13 +899,12 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* The "set" function. Allows key/value pairs to be set for inserting or updating
*
* @access public
* @param mixed
* @param string
* @param boolean
* @return object
*/
function set($key, $value = '', $escape = TRUE)
public function set($key, $value = '', $escape = TRUE)
{
$key = $this->_object_to_array($key);
@@ -969,13 +936,12 @@ class CI_DB_active_record extends CI_DB_driver {
* Compiles the select statement based on the other functions called
* and runs the query
*
* @access public
* @param string the table
* @param string the limit clause
* @param string the offset clause
* @return object
*/
function get($table = '', $limit = null, $offset = null)
public function get($table = '', $limit = null, $offset = null)
{
if ($table != '')
{
@@ -1001,11 +967,10 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a platform-specific query string that counts all records
* returned by an Active Record query.
*
* @access public
* @param string
* @return string
*/
function count_all_results($table = '')
public function count_all_results($table = '')
{
if ($table != '')
{
@@ -1034,13 +999,12 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Allows the where clause, limit and offset to be added directly
*
* @access public
* @param string the where clause
* @param string the limit clause
* @param string the offset clause
* @return object
*/
function get_where($table = '', $where = null, $limit = null, $offset = null)
public function get_where($table = '', $where = null, $limit = null, $offset = null)
{
if ($table != '')
{
@@ -1071,12 +1035,11 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles batch insert strings and runs the queries
*
* @access public
* @param string the table to retrieve the results from
* @param array an associative array of insert values
* @return object
*/
function insert_batch($table = '', $set = NULL)
public function insert_batch($table = '', $set = NULL)
{
if ( ! is_null($set))
{
@@ -1129,14 +1092,12 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* The "set_insert_batch" function. Allows key/value pairs to be set for batch inserts
*
* @access public
* @param mixed
* @param string
* @param boolean
* @return object
*/
function set_insert_batch($key, $value = '', $escape = TRUE)
public function set_insert_batch($key, $value = '', $escape = TRUE)
{
$key = $this->_object_to_array_batch($key);
@@ -1191,8 +1152,7 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles an insert string and runs the query
*
* @access public
* @param string the table to retrieve the results from
* @param string the table to insert data into
* @param array an associative array of insert values
* @return object
*/
@@ -1232,7 +1192,18 @@ class CI_DB_active_record extends CI_DB_driver {
return $this->query($sql);
}
function replace($table = '', $set = NULL)
// --------------------------------------------------------------------
/**
* Replace
*
* Compiles an replace into string and runs the query
*
* @param string the table to replace data into
* @param array an associative array of insert values
* @return object
*/
public function replace($table = '', $set = NULL)
{
if ( ! is_null($set))
{
@@ -1275,13 +1246,12 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles an update string and runs the query
*
* @access public
* @param string the table to retrieve the results from
* @param array an associative array of update values
* @param mixed the where clause
* @return object
*/
function update($table = '', $set = NULL, $where = NULL, $limit = NULL)
public function update($table = '', $set = NULL, $where = NULL, $limit = NULL)
{
// Combine any cached components with the current statements
$this->_merge_cache();
@@ -1338,13 +1308,12 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles an update string and runs the query
*
* @access public
* @param string the table to retrieve the results from
* @param array an associative array of update values
* @param string the where key
* @return object
*/
function update_batch($table = '', $set = NULL, $index = NULL)
public function update_batch($table = '', $set = NULL, $index = NULL)
{
// Combine any cached components with the current statements
$this->_merge_cache();
@@ -1404,14 +1373,12 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* The "set_update_batch" function. Allows key/value pairs to be set for batch updating
*
* @access public
* @param array
* @param string
* @param boolean
* @return object
*/
function set_update_batch($key, $index = '', $escape = TRUE)
public function set_update_batch($key, $index = '', $escape = TRUE)
{
$key = $this->_object_to_array_batch($key);
@@ -1464,11 +1431,10 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles a delete string and runs "DELETE FROM table"
*
* @access public
* @param string the table to empty
* @return object
*/
function empty_table($table = '')
public function empty_table($table = '')
{
if ($table == '')
{
@@ -1504,11 +1470,10 @@ class CI_DB_active_record extends CI_DB_driver {
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table to truncate
* @return object
*/
function truncate($table = '')
public function truncate($table = '')
{
if ($table == '')
{
@@ -1542,14 +1507,13 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles a delete string and runs the query
*
* @access public
* @param mixed the table(s) to delete from. String or array
* @param mixed the where clause
* @param mixed the limit clause
* @param boolean
* @return object
*/
function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE)
public function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE)
{
// Combine any cached components with the current statements
$this->_merge_cache();
@@ -1619,11 +1583,10 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Prepends a database prefix if one exists in configuration
*
* @access public
* @param string the table
* @return string
*/
function dbprefix($table = '')
public function dbprefix($table = '')
{
if ($table == '')
{
@@ -1635,16 +1598,30 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
* Set DB Prefix
*
* Set's the DB Prefix to something new without needing to reconnect
*
* @param string the prefix
* @return string
*/
public function set_dbprefix($prefix = '')
{
return $this->dbprefix = $prefix;
}
// --------------------------------------------------------------------
/**
* Track Aliases
*
* Used to track SQL statements written with aliased tables.
*
* @access private
* @param string The table to inspect
* @return string
*/
function _track_aliases($table)
protected function _track_aliases($table)
{
if (is_array($table))
{
@@ -1687,10 +1664,9 @@ class CI_DB_active_record extends CI_DB_driver {
* Generates a query string based on which functions were used.
* Should not be called directly. The get() function calls it.
*
* @access private
* @return string
*/
function _compile_select($select_override = FALSE)
protected function _compile_select($select_override = FALSE)
{
// Combine any cached components with the current statements
$this->_merge_cache();
@@ -1718,7 +1694,8 @@ class CI_DB_active_record extends CI_DB_driver {
// is because until the user calls the from() function we don't know if there are aliases
foreach ($this->ar_select as $key => $val)
{
$this->ar_select[$key] = $this->_protect_identifiers($val);
$no_escape = isset($this->ar_no_escape[$key]) ? $this->ar_no_escape[$key] : NULL;
$this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $no_escape);
}
$sql .= implode(', ', $this->ar_select);
@@ -1753,9 +1730,7 @@ class CI_DB_active_record extends CI_DB_driver {
if (count($this->ar_where) > 0 OR count($this->ar_like) > 0)
{
$sql .= "\n";
$sql .= "WHERE ";
$sql .= "\nWHERE ";
}
$sql .= implode("\n", $this->ar_where);
@@ -1830,11 +1805,10 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Takes an object as input and converts the class variables to array key/vals
*
* @access public
* @param object
* @return array
*/
function _object_to_array($object)
public function _object_to_array($object)
{
if ( ! is_object($object))
{
@@ -1861,11 +1835,10 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Takes an object as input and converts the class variables to array key/vals
*
* @access public
* @param object
* @return array
*/
function _object_to_array_batch($object)
public function _object_to_array_batch($object)
{
if ( ! is_object($object))
{
@@ -1901,10 +1874,9 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Starts AR caching
*
* @access public
* @return void
*/
function start_cache()
public function start_cache()
{
$this->ar_caching = TRUE;
}
@@ -1916,10 +1888,9 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Stops AR caching
*
* @access public
* @return void
*/
function stop_cache()
public function stop_cache()
{
$this->ar_caching = FALSE;
}
@@ -1934,22 +1905,21 @@ class CI_DB_active_record extends CI_DB_driver {
* @access public
* @return void
*/
function flush_cache()
public function flush_cache()
{
$this->_reset_run(
array(
'ar_cache_select' => array(),
'ar_cache_from' => array(),
'ar_cache_join' => array(),
'ar_cache_where' => array(),
'ar_cache_like' => array(),
'ar_cache_groupby' => array(),
'ar_cache_having' => array(),
'ar_cache_orderby' => array(),
'ar_cache_set' => array(),
'ar_cache_exists' => array()
)
);
$this->_reset_run(array(
'ar_cache_select' => array(),
'ar_cache_from' => array(),
'ar_cache_join' => array(),
'ar_cache_where' => array(),
'ar_cache_like' => array(),
'ar_cache_groupby' => array(),
'ar_cache_having' => array(),
'ar_cache_orderby' => array(),
'ar_cache_set' => array(),
'ar_cache_exists' => array(),
'ar_cache_no_escape' => array()
));
}
// --------------------------------------------------------------------
@@ -1960,10 +1930,9 @@ class CI_DB_active_record extends CI_DB_driver {
* When called, this function merges any cached AR arrays with
* locally called ones.
*
* @access private
* @return void
*/
function _merge_cache()
protected function _merge_cache()
{
if (count($this->ar_cache_exists) == 0)
{
@@ -1989,6 +1958,8 @@ class CI_DB_active_record extends CI_DB_driver {
{
$this->_track_aliases($this->ar_from);
}
$this->ar_no_escape = $this->ar_cache_no_escape;
}
// --------------------------------------------------------------------
@@ -1996,11 +1967,10 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Resets the active record values. Called by the get() function
*
* @access private
* @param array An array of fields to reset
* @return void
*/
function _reset_run($ar_reset_items)
protected function _reset_run($ar_reset_items)
{
foreach ($ar_reset_items as $item => $default_value)
{
@@ -2016,27 +1986,27 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Resets the active record values. Called by the get() function
*
* @access private
* @return void
*/
function _reset_select()
protected function _reset_select()
{
$ar_reset_items = array(
'ar_select' => array(),
'ar_from' => array(),
'ar_join' => array(),
'ar_where' => array(),
'ar_like' => array(),
'ar_groupby' => array(),
'ar_having' => array(),
'ar_orderby' => array(),
'ar_wherein' => array(),
'ar_aliased_tables' => array(),
'ar_distinct' => FALSE,
'ar_limit' => FALSE,
'ar_offset' => FALSE,
'ar_order' => FALSE,
);
'ar_select' => array(),
'ar_from' => array(),
'ar_join' => array(),
'ar_where' => array(),
'ar_like' => array(),
'ar_groupby' => array(),
'ar_having' => array(),
'ar_orderby' => array(),
'ar_wherein' => array(),
'ar_aliased_tables' => array(),
'ar_no_escape' => array(),
'ar_distinct' => FALSE,
'ar_limit' => FALSE,
'ar_offset' => FALSE,
'ar_order' => FALSE,
);
$this->_reset_run($ar_reset_items);
}
@@ -2048,25 +2018,23 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Called by the insert() update() insert_batch() update_batch() and delete() functions
*
* @access private
* @return void
*/
function _reset_write()
protected function _reset_write()
{
$ar_reset_items = array(
'ar_set' => array(),
'ar_from' => array(),
'ar_where' => array(),
'ar_like' => array(),
'ar_orderby' => array(),
'ar_keys' => array(),
'ar_limit' => FALSE,
'ar_order' => FALSE
);
'ar_set' => array(),
'ar_from' => array(),
'ar_where' => array(),
'ar_like' => array(),
'ar_orderby' => array(),
'ar_keys' => array(),
'ar_limit' => FALSE,
'ar_order' => FALSE
);
$this->_reset_run($ar_reset_items);
}
}
/* End of file DB_active_rec.php */

6
system/database/DB_driver.php
View File

@@ -424,8 +424,8 @@ class CI_DB_driver {
if ( ! class_exists($driver))
{
include_once(BASEPATH.'database/DB_result'.EXT);
include_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result'.EXT);
include_once(BASEPATH.'database/DB_result.php');
include_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result.php');
}
return $driver;
@@ -1115,7 +1115,7 @@ class CI_DB_driver {
if ( ! class_exists('CI_DB_Cache'))
{
if ( ! @include(BASEPATH.'database/DB_cache'.EXT))
if ( ! @include(BASEPATH.'database/DB_cache.php'))
{
return $this->cache_off();
}

95
system/database/DB_result.php
View File

@@ -28,14 +28,14 @@
*/
class CI_DB_result {
var $conn_id = NULL;
var $result_id = NULL;
var $result_array = array();
var $result_object = array();
var $custom_result_object = array();
var $current_row = 0;
var $num_rows = 0;
var $row_data = NULL;
var $conn_id = NULL;
var $result_id = NULL;
var $result_array = array();
var $result_object = array();
var $custom_result_object = array();
var $current_row = 0;
var $num_rows = 0;
var $row_data = NULL;
/**
@@ -47,47 +47,52 @@ class CI_DB_result {
*/
function result($type = 'object')
{
if ($type == 'array') return $this->result_array();
else if ($type == 'object') return $this->result_object();
else return $this->custom_result_object($type);
if ($type == 'array') return $this->result_array();
else if ($type == 'object') return $this->result_object();
else return $this->custom_result_object($type);
}
// --------------------------------------------------------------------
/**
* Custom query result.
*
* @param class_name A string that represents the type of object you want back
* @return array of objects
*/
function custom_result_object($class_name)
{
if (array_key_exists($class_name, $this->custom_result_object))
{
return $this->custom_result_object[$class_name];
}
if ($this->result_id === FALSE OR $this->num_rows() == 0)
{
return array();
}
/**
* Custom query result.
*
* @param class_name A string that represents the type of object you want back
* @return array of objects
*/
function custom_result_object($class_name)
{
if (array_key_exists($class_name, $this->custom_result_object))
{
return $this->custom_result_object[$class_name];
}
if ($this->result_id === FALSE OR $this->num_rows() == 0)
{
return array();
}
// add the data to the object
$this->_data_seek(0);
$result_object = array();
// add the data to the object
$this->_data_seek(0);
$result_object = array();
while ($row = $this->_fetch_object())
{
$object = new $class_name();
foreach ($row as $key => $value)
{
$object->$key = $value;
}
{
$object = new $class_name();
foreach ($row as $key => $value)
{
$object->$key = $value;
}
$result_object[] = $object;
}
// return the array
return $this->custom_result_object[$class_name] = $result_object;
}
// return the array
return $this->custom_result_object[$class_name] = $result_object;
}
// --------------------------------------------------------------------
/**
* Query result. "object" version.
@@ -180,9 +185,9 @@ class CI_DB_result {
$n = 0;
}
if ($type == 'object') return $this->row_object($n);
else if ($type == 'array') return $this->row_array($n);
else return $this->custom_row_object($n, $type);
if ($type == 'object') return $this->row_object($n);
else if ($type == 'array') return $this->row_array($n);
else return $this->custom_row_object($n, $type);
}
// --------------------------------------------------------------------
@@ -219,7 +224,7 @@ class CI_DB_result {
// --------------------------------------------------------------------
/**
/**
* Returns a single result row - custom object version
*
* @access public
@@ -242,7 +247,7 @@ class CI_DB_result {
return $result[$this->current_row];
}
/**
/**
* Returns a single result row - object version
*
* @access public

17
system/database/drivers/mysql/mysql_driver.php
View File

@@ -132,7 +132,22 @@ class CI_DB_mysql_driver extends CI_DB {
*/
function db_set_charset($charset, $collation)
{
return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
static $use_set_names;
if ( ! isset($use_set_names))
{
// mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback
$use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
}
if ($use_set_names)
{
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);
}
}
// --------------------------------------------------------------------

8
system/database/drivers/mysql/mysql_forge.php
View File

@@ -119,9 +119,13 @@ class CI_DB_mysql_forge extends CI_DB_forge {
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes))
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ($attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL';
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)

17
system/database/drivers/mysqli/mysqli_driver.php
View File

@@ -132,7 +132,22 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
function _db_set_charset($charset, $collation)
{
return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'");
static $use_set_names;
if ( ! isset($use_set_names))
{
// mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback
$use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE;
}
if ($use_set_names)
{
return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'");
}
else
{
return @mysqli_set_charset($this->conn_id, $charset);
}
}
// --------------------------------------------------------------------

8
system/database/drivers/mysqli/mysqli_forge.php
View File

@@ -104,9 +104,13 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
if (array_key_exists('NULL', $attributes))
if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
$sql .= ($attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL';
$sql .= ' NULL';
}
else
{
$sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)

18
system/database/drivers/postgre/postgre_driver.php
View File

@@ -553,6 +553,24 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
* Insert_batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert_batch($table, $keys, $values)
{
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
}
// --------------------------------------------------------------------
/**
* Update statement
*

10
system/database/drivers/sqlsrv/index.html Executable file
View File

@@ -0,0 +1,10 @@
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

598
system/database/drivers/sqlsrv/sqlsrv_driver.php Executable file
View File

@@ -0,0 +1,598 @@
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the active record
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_driver extends CI_DB {
var $dbdriver = 'sqlsrv';
// The character used for escaping
var $_escape_char = '';
// clause and character used for LIKE escape sequences
var $_like_escape_str = " ESCAPE '%s' ";
var $_like_escape_chr = '!';
/**
* 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.
*/
var $_count_string = "SELECT COUNT(*) AS ";
var $_random_keyword = ' ASC'; // not currently supported
/**
* Non-persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_connect($pooling = false)
{
// Check for a UTF-8 charset being passed as CI's default 'utf8'.
$character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set;
$connection = array(
'UID' => empty($this->username) ? '' : $this->username,
'PWD' => empty($this->password) ? '' : $this->password,
'Database' => $this->database,
'ConnectionPooling' => $pooling ? 1 : 0,
'CharacterSet' => $character_set,
'ReturnDatesAsStrings' => 1
);
// If the username and password are both empty, assume this is a
// 'Windows Authentication Mode' connection.
if(empty($connection['UID']) && empty($connection['PWD'])) {
unset($connection['UID'], $connection['PWD']);
}
return sqlsrv_connect($this->hostname, $connection);
}
// --------------------------------------------------------------------
/**
* Persistent database connection
*
* @access private called by the base class
* @return resource
*/
function db_pconnect()
{
$this->db_connect(TRUE);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @access public
* @return void
*/
function reconnect()
{
// not implemented in MSSQL
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @access private called by the base class
* @return resource
*/
function db_select()
{
return $this->_execute('USE ' . $this->database);
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @access public
* @param string
* @param string
* @return resource
*/
function db_set_charset($charset, $collation)
{
// @todo - add support if needed
return TRUE;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @access private called by the base class
* @param string an SQL query
* @return resource
*/
function _execute($sql)
{
$sql = $this->_prep_query($sql);
return sqlsrv_query($this->conn_id, $sql, null, array(
'Scrollable' => SQLSRV_CURSOR_STATIC,
'SendStreamParamsAtExec' => true
));
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @access private called by execute()
* @param string an SQL query
* @return string
*/
function _prep_query($sql)
{
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @access public
* @return bool
*/
function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
return sqlsrv_begin_transaction($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @access public
* @return bool
*/
function trans_commit()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return sqlsrv_commit($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @access public
* @return bool
*/
function trans_rollback()
{
if ( ! $this->trans_enabled)
{
return TRUE;
}
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 0)
{
return TRUE;
}
return sqlsrv_rollback($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Escape String
*
* @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
function escape_str($str, $like = FALSE)
{
// Escape single quotes
return str_replace("'", "''", $str);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @access public
* @return integer
*/
function affected_rows()
{
return @sqlrv_rows_affected($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* Returns the last id created in the Identity column.
*
* @access public
* @return integer
*/
function insert_id()
{
return $this->query('select @@IDENTITY as insert_id')->row('insert_id');
}
// --------------------------------------------------------------------
/**
* Parse major version
*
* Grabs the major version number from the
* database server version string passed in.
*
* @access private
* @param string $version
* @return int16 major version number
*/
function _parse_major_version($version)
{
preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
return $ver_info[1]; // return the major version b/c that's all we're interested in.
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @access public
* @return string
*/
function _version()
{
$info = sqlsrv_server_info($this->conn_id);
return sprintf("select '%s' as ver", $info['SQLServerVersion']);
}
// --------------------------------------------------------------------
/**
* "Count All" query
*
* Generates a platform-specific query string that counts all records in
* the specified database
*
* @access public
* @param string
* @return string
*/
function count_all($table = '')
{
if ($table == '')
return '0';
$query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table);
if ($query->num_rows() == 0)
return '0';
$row = $query->row();
return $row->numrows;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @access private
* @param boolean
* @return string
*/
function _list_tables($prefix_limit = FALSE)
{
return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
}
// --------------------------------------------------------------------
/**
* List column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @access private
* @param string the table name
* @return string
*/
function _list_columns($table = '')
{
return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'";
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @access public
* @param string the table name
* @return object
*/
function _field_data($table)
{
return "SELECT TOP 1 * FROM " . $this->_escape_table($table);
}
// --------------------------------------------------------------------
/**
* The error message string
*
* @access private
* @return string
*/
function _error_message()
{
$error = array_shift(sqlsrv_errors());
return !empty($error['message']) ? $error['message'] : null;
}
// --------------------------------------------------------------------
/**
* The error message number
*
* @access private
* @return integer
*/
function _error_number()
{
$error = array_shift(sqlsrv_errors());
return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null;
}
// --------------------------------------------------------------------
/**
* Escape Table Name
*
* This function adds backticks if the table name has a period
* in it. Some DBs will get cranky unless periods are escaped
*
* @access private
* @param string the table name
* @return string
*/
function _escape_table($table)
{
return $table;
}
/**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
* @access private
* @param string
* @return string
*/
function _escape_identifiers($item)
{
return $item;
}
// --------------------------------------------------------------------
/**
* From Tables
*
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
* @access public
* @param type
* @return type
*/
function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
return implode(', ', $tables);
}
// --------------------------------------------------------------------
/**
* Insert statement
*
* Generates a platform-specific insert string from the supplied data
*
* @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
function _insert($table, $keys, $values)
{
return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @param array the orderby clause
* @param array the limit clause
* @return string
*/
function _update($table, $values, $where)
{
foreach($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
* @access public
* @param string the table name
* @return string
*/
function _truncate($table)
{
return "TRUNCATE ".$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
function _delete($table, $where)
{
return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where);
}
// --------------------------------------------------------------------
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
* @access public
* @param string the sql query string
* @param integer the number of rows to limit the query to
* @param integer the offset value
* @return string
*/
function _limit($sql, $limit, $offset)
{
$i = $limit + $offset;
return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @access public
* @param resource
* @return void
*/
function _close($conn_id)
{
@sqlsrv_close($conn_id);
}
}
/* End of file mssql_driver.php */
/* Location: ./system/database/drivers/mssql/mssql_driver.php */

248
system/database/drivers/sqlsrv/sqlsrv_forge.php Executable file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Forge Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_forge extends CI_DB_forge {
/**
* Create database
*
* @access private
* @param string the database name
* @return bool
*/
function _create_database($name)
{
return "CREATE DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @access private
* @param string the database name
* @return bool
*/
function _drop_database($name)
{
return "DROP DATABASE ".$name;
}
// --------------------------------------------------------------------
/**
* Drop Table
*
* @access private
* @return bool
*/
function _drop_table($table)
{
return "DROP TABLE ".$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Create Table
*
* @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
* @param boolean should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
$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
// 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";
}
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)
{
$sql .= ' AUTO_INCREMENT';
}
}
// don't add a comma on the end of the last field
if (++$current_field_count < count($fields))
{
$sql .= ',';
}
}
if (count($primary_keys) > 0)
{
$primary_keys = $this->db->_protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
if (is_array($keys) && count($keys) > 0)
{
foreach ($keys as $key)
{
if (is_array($key))
{
$key = $this->db->_protect_identifiers($key);
}
else
{
$key = array($this->db->_protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
}
}
$sql .= "\n)";
return $sql;
}
// --------------------------------------------------------------------
/**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
* @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return object
*/
function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
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 $sql;
}
// --------------------------------------------------------------------
/**
* Rename a table
*
* Generates a platform-specific query so that a table can be renamed
*
* @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
function _rename_table($table_name, $new_table_name)
{
// 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;
}
}
/* End of file mssql_forge.php */
/* Location: ./system/database/drivers/mssql/mssql_forge.php */

169
system/database/drivers/sqlsrv/sqlsrv_result.php Executable file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @access public
* @return integer
*/
function num_rows()
{
return @sqlsrv_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @access public
* @return integer
*/
function num_fields()
{
return @sqlsrv_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @access public
* @return array
*/
function list_fields()
{
$field_names = array();
foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$field_names[] = $field['Name'];
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @access public
* @return array
*/
function field_data()
{
$retval = array();
foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$F = new stdClass();
$F->name = $field['Name'];
$F->type = $field['Type'];
$F->max_length = $field['Size'];
$F->primary_key = 0;
$F->default = '';
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return null
*/
function free_result()
{
if (is_resource($this->result_id))
{
sqlsrv_free_stmt($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
* @access private
* @return array
*/
function _data_seek($n = 0)
{
// Not implemented
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @access private
* @return array
*/
function _fetch_assoc()
{
return sqlsrv_fetch_array($this->result_id, SQLSRV_FETCH_ASSOC);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @access private
* @return object
*/
function _fetch_object()
{
return sqlsrv_fetch_object($this->result_id);
}
}
/* End of file mssql_result.php */
/* Location: ./system/database/drivers/mssql/mssql_result.php */

88
system/database/drivers/sqlsrv/sqlsrv_utility.php Executable file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* SQLSRV Utility Class
*
* @category Database
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlsrv_utility extends CI_DB_utility {
/**
* List databases
*
* @access private
* @return bool
*/
function _list_databases()
{
return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
}
// --------------------------------------------------------------------
/**
* Optimize table query
*
* Generates a platform-specific query so that a table can be optimized
*
* @access private
* @param string the table name
* @return object
*/
function _optimize_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* Repair table query
*
* Generates a platform-specific query so that a table can be repaired
*
* @access private
* @param string the table name
* @return object
*/
function _repair_table($table)
{
return FALSE; // Is this supported in MS SQL?
}
// --------------------------------------------------------------------
/**
* MSSQL Export
*
* @access private
* @param array Preferences
* @return mixed
*/
function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
/* End of file mssql_utility.php */
/* Location: ./system/database/drivers/mssql/mssql_utility.php */