Cleanup of stray spaces and tabs
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 8e6f888..cbfa33e 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -71,13 +71,13 @@
var $limit_used;
-
+
/**
* Constructor. Accepts one parameter containing the database
* connection settings.
*
* @param array
- */
+ */
function CI_DB_driver($params)
{
if (is_array($params))
@@ -90,7 +90,7 @@
log_message('debug', 'Database Driver Class Initialized');
}
-
+
// --------------------------------------------------------------------
/**
@@ -99,7 +99,7 @@
* @access private Called by the constructor
* @param mixed
* @return void
- */
+ */
function initialize()
{
// If an existing connection resource is available
@@ -108,9 +108,9 @@
{
return TRUE;
}
-
+
// ----------------------------------------------------------------
-
+
// Connect to the database and set the connection ID
$this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect();
@@ -118,7 +118,7 @@
if ( ! $this->conn_id)
{
log_message('error', 'Unable to connect to the database');
-
+
if ($this->db_debug)
{
$this->display_error('db_unable_to_connect');
@@ -134,12 +134,12 @@
if ( ! $this->db_select())
{
log_message('error', 'Unable to select database: '.$this->database);
-
+
if ($this->db_debug)
{
$this->display_error('db_unable_to_select', $this->database);
}
- return FALSE;
+ return FALSE;
}
else
{
@@ -148,14 +148,14 @@
{
return FALSE;
}
-
+
return TRUE;
}
}
return TRUE;
}
-
+
// --------------------------------------------------------------------
/**
@@ -171,26 +171,26 @@
if ( ! $this->_db_set_charset($this->char_set, $this->dbcollat))
{
log_message('error', 'Unable to set database connection charset: '.$this->char_set);
-
+
if ($this->db_debug)
{
$this->display_error('db_unable_to_set_charset', $this->char_set);
}
-
+
return FALSE;
}
-
+
return TRUE;
}
-
+
// --------------------------------------------------------------------
/**
* The name of the platform in use (mysql, mssql, etc...)
*
* @access public
- * @return string
- */
+ * @return string
+ */
function platform()
{
return $this->dbdriver;
@@ -203,8 +203,8 @@
* version of the database being used
*
* @access public
- * @return string
- */
+ * @return string
+ */
function version()
{
if (FALSE === ($sql = $this->_version()))
@@ -230,7 +230,7 @@
return $query->row('ver');
}
}
-
+
// --------------------------------------------------------------------
/**
@@ -245,8 +245,8 @@
* @access public
* @param string An SQL query string
* @param array An array of binding data
- * @return mixed
- */
+ * @return mixed
+ */
function query($sql, $binds = FALSE, $return_object = TRUE)
{
if ($sql == '')
@@ -279,7 +279,7 @@
}
}
}
-
+
// Compile binds if needed
if ($binds !== FALSE)
{
@@ -291,10 +291,10 @@
{
$this->queries[] = $sql;
}
-
+
// Start the Query Timer
$time_start = list($sm, $ss) = explode(' ', microtime());
-
+
// Run the Query
if (FALSE === ($this->result_id = $this->simple_query($sql)))
{
@@ -302,7 +302,7 @@
{
$this->query_times[] = 0;
}
-
+
// This will trigger a rollback if transactions are being used
$this->_trans_status = FALSE;
@@ -312,10 +312,10 @@
// additional queries before displaying the error
$error_no = $this->_error_number();
$error_msg = $this->_error_message();
-
+
// We call this function in order to roll-back queries
// if transactions are enabled. If we don't call this here
- // the error message will trigger an exit, causing the
+ // the error message will trigger an exit, causing the
// transactions to remain in limbo.
$this->trans_complete();
@@ -329,10 +329,10 @@
)
);
}
-
+
return FALSE;
}
-
+
// Stop and aggregate the query time results
$time_end = list($em, $es) = explode(' ', microtime());
$this->benchmark += ($em + $es) - ($sm + $ss);
@@ -341,10 +341,10 @@
{
$this->query_times[] = ($em + $es) - ($sm + $ss);
}
-
+
// Increment the query counter
$this->query_count++;
-
+
// Was the query a "write" type?
// If so we'll simply return true
if ($this->is_write_type($sql) === TRUE)
@@ -355,10 +355,10 @@
{
$this->CACHE->delete();
}
-
+
return TRUE;
}
-
+
// Return TRUE if we don't need to create a result object
// Currently only the Oracle driver uses this when stored
// procedures are used
@@ -366,11 +366,11 @@
{
return TRUE;
}
-
- // Load and instantiate the result driver
-
- $driver = $this->load_rdriver();
- $RES = new $driver();
+
+ // Load and instantiate the result driver
+
+ $driver = $this->load_rdriver();
+ $RES = new $driver();
$RES->conn_id = $this->conn_id;
$RES->result_id = $this->result_id;
@@ -381,10 +381,10 @@
$RES->limit_used = $this->limit_used;
$this->stmt_id = FALSE;
}
-
+
// oci8 vars must be set before calling this
$RES->num_rows = $RES->num_rows();
-
+
// Is query caching enabled? If so, we'll serialize the
// result object and save it to a cache file.
if ($this->cache_on == TRUE AND $this->_cache_init())
@@ -396,17 +396,17 @@
// result object, so we'll have to compile the data
// and save it)
$CR = new CI_DB_result();
- $CR->num_rows = $RES->num_rows();
+ $CR->num_rows = $RES->num_rows();
$CR->result_object = $RES->result_object();
$CR->result_array = $RES->result_array();
-
+
// Reset these since cached objects can not utilize resource IDs.
$CR->conn_id = NULL;
$CR->result_id = NULL;
$this->CACHE->write($sql, $CR);
}
-
+
return $RES;
}
@@ -416,8 +416,8 @@
* Load the result drivers
*
* @access public
- * @return string the name of the result class
- */
+ * @return string the name of the result class
+ */
function load_rdriver()
{
$driver = 'CI_DB_'.$this->dbdriver.'_result';
@@ -427,10 +427,10 @@
include_once(BASEPATH.'database/DB_result'.EXT);
include_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result'.EXT);
}
-
+
return $driver;
}
-
+
// --------------------------------------------------------------------
/**
@@ -441,8 +441,8 @@
*
* @access public
* @param string the sql query
- * @return mixed
- */
+ * @return mixed
+ */
function simple_query($sql)
{
if ( ! $this->conn_id)
@@ -452,7 +452,7 @@
return $this->_execute($sql);
}
-
+
// --------------------------------------------------------------------
/**
@@ -460,8 +460,8 @@
* This permits transactions to be disabled at run-time.
*
* @access public
- * @return void
- */
+ * @return void
+ */
function trans_off()
{
$this->trans_enabled = FALSE;
@@ -477,23 +477,23 @@
* a failure of one group will not affect any others
*
* @access public
- * @return void
- */
+ * @return void
+ */
function trans_strict($mode = TRUE)
{
$this->trans_strict = is_bool($mode) ? $mode : TRUE;
}
-
+
// --------------------------------------------------------------------
/**
* Start Transaction
*
* @access public
- * @return void
- */
+ * @return void
+ */
function trans_start($test_mode = FALSE)
- {
+ {
if ( ! $this->trans_enabled)
{
return FALSE;
@@ -505,7 +505,7 @@
$this->_trans_depth += 1;
return;
}
-
+
$this->trans_begin($test_mode);
}
@@ -515,27 +515,27 @@
* Complete Transaction
*
* @access public
- * @return bool
- */
+ * @return bool
+ */
function trans_complete()
{
if ( ! $this->trans_enabled)
{
return FALSE;
}
-
+
// When transactions are nested we only begin/commit/rollback the outermost ones
if ($this->_trans_depth > 1)
{
$this->_trans_depth -= 1;
return TRUE;
}
-
+
// The query() function will set this flag to FALSE in the event that a query failed
if ($this->_trans_status === FALSE)
{
$this->trans_rollback();
-
+
// If we are NOT running in strict mode, we will reset
// the _trans_status flag so that subsequent groups of transactions
// will be permitted.
@@ -547,7 +547,7 @@
log_message('debug', 'DB Transaction Failure');
return FALSE;
}
-
+
$this->trans_commit();
return TRUE;
}
@@ -558,8 +558,8 @@
* Lets you retrieve the transaction flag to determine if it has failed
*
* @access public
- * @return bool
- */
+ * @return bool
+ */
function trans_status()
{
return $this->_trans_status;
@@ -573,20 +573,20 @@
* @access public
* @param string the sql statement
* @param array an array of bind data
- * @return string
- */
+ * @return string
+ */
function compile_binds($sql, $binds)
{
if (strpos($sql, $this->bind_marker) === FALSE)
{
return $sql;
}
-
+
if ( ! is_array($binds))
{
$binds = array($binds);
}
-
+
// Get the sql segments around the bind markers
$segments = explode($this->bind_marker, $sql);
@@ -607,7 +607,7 @@
return $result;
}
-
+
// --------------------------------------------------------------------
/**
@@ -615,8 +615,8 @@
*
* @access public
* @param string An SQL query string
- * @return boolean
- */
+ * @return boolean
+ */
function is_write_type($sql)
{
if ( ! preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|GRANT|REVOKE|LOCK|UNLOCK)\s+/i', $sql))
@@ -625,7 +625,7 @@
}
return TRUE;
}
-
+
// --------------------------------------------------------------------
/**
@@ -633,34 +633,34 @@
*
* @access public
* @param integer The number of decimal places
- * @return integer
- */
+ * @return integer
+ */
function elapsed_time($decimals = 6)
{
return number_format($this->benchmark, $decimals);
}
-
+
// --------------------------------------------------------------------
/**
* Returns the total number of queries
*
* @access public
- * @return integer
- */
+ * @return integer
+ */
function total_queries()
{
return $this->query_count;
}
-
+
// --------------------------------------------------------------------
/**
* Returns the last query that was executed
*
* @access public
- * @return void
- */
+ * @return void
+ */
function last_query()
{
return end($this->queries);
@@ -676,10 +676,10 @@
*
* @access public
* @param string
- * @return mixed
- */
+ * @return mixed
+ */
function escape($str)
- {
+ {
if (is_string($str))
{
$str = "'".$this->escape_str($str)."'";
@@ -703,14 +703,14 @@
*
* Calls the individual driver for platform
* specific escaping for LIKE conditions
- *
+ *
* @access public
* @param string
* @return mixed
*/
- function escape_like_str($str)
- {
- return $this->escape_str($str, TRUE);
+ function escape_like_str($str)
+ {
+ return $this->escape_str($str, TRUE);
}
// --------------------------------------------------------------------
@@ -723,12 +723,12 @@
*
* @access public
* @param string the table name
- * @return string
- */
+ * @return string
+ */
function primary($table = '')
- {
+ {
$fields = $this->list_fields($table);
-
+
if ( ! is_array($fields))
{
return FALSE;
@@ -743,8 +743,8 @@
* Returns an array of table names
*
* @access public
- * @return array
- */
+ * @return array
+ */
function list_tables($constrain_by_prefix = FALSE)
{
// Is there a cached result?
@@ -752,7 +752,7 @@
{
return $this->data_cache['table_names'];
}
-
+
if (FALSE === ($sql = $this->_list_tables($constrain_by_prefix)))
{
if ($this->db_debug)
@@ -764,7 +764,7 @@
$retval = array();
$query = $this->query($sql);
-
+
if ($query->num_rows() > 0)
{
foreach($query->result_array() as $row)
@@ -783,7 +783,7 @@
$this->data_cache['table_names'] = $retval;
return $this->data_cache['table_names'];
}
-
+
// --------------------------------------------------------------------
/**
@@ -792,10 +792,10 @@
* @return boolean
*/
function table_exists($table_name)
- {
+ {
return ( ! in_array($this->_protect_identifiers($table_name, TRUE, FALSE, FALSE), $this->list_tables())) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
/**
@@ -803,7 +803,7 @@
*
* @access public
* @param string the table name
- * @return array
+ * @return array
*/
function list_fields($table = '')
{
@@ -812,7 +812,7 @@
{
return $this->data_cache['field_names'][$table];
}
-
+
if ($table == '')
{
if ($this->db_debug)
@@ -821,7 +821,7 @@
}
return FALSE;
}
-
+
if (FALSE === ($sql = $this->_list_columns($table)))
{
if ($this->db_debug)
@@ -830,9 +830,9 @@
}
return FALSE;
}
-
+
$query = $this->query($sql);
-
+
$retval = array();
foreach($query->result_array() as $row)
{
@@ -843,9 +843,9 @@
else
{
$retval[] = current($row);
- }
+ }
}
-
+
$this->data_cache['field_names'][$table] = $retval;
return $this->data_cache['field_names'][$table];
}
@@ -860,10 +860,10 @@
* @return boolean
*/
function field_exists($field_name, $table_name)
- {
+ {
return ( ! in_array($field_name, $this->list_fields($table_name))) ? FALSE : TRUE;
}
-
+
// --------------------------------------------------------------------
/**
@@ -871,8 +871,8 @@
*
* @access public
* @param string the table name
- * @return object
- */
+ * @return object
+ */
function field_data($table = '')
{
if ($table == '')
@@ -883,36 +883,36 @@
}
return FALSE;
}
-
+
$query = $this->query($this->_field_data($this->_protect_identifiers($table, TRUE, NULL, FALSE)));
return $query->field_data();
- }
+ }
// --------------------------------------------------------------------
-
+
/**
* Generate an insert string
*
* @access public
* @param string the table upon which the query will be performed
* @param array an associative array data of key/values
- * @return string
- */
+ * @return string
+ */
function insert_string($table, $data)
{
$fields = array();
$values = array();
-
+
foreach($data as $key => $val)
{
$fields[] = $this->_escape_identifiers($key);
$values[] = $this->escape($val);
}
-
+
return $this->_insert($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $values);
- }
-
+ }
+
// --------------------------------------------------------------------
/**
@@ -922,15 +922,15 @@
* @param string the table upon which the query will be performed
* @param array an associative array data of key/values
* @param mixed the "where" statement
- * @return string
- */
+ * @return string
+ */
function update_string($table, $data, $where)
{
if ($where == '')
{
return false;
}
-
+
$fields = array();
foreach($data as $key => $val)
{
@@ -947,23 +947,23 @@
foreach ($where as $key => $val)
{
$prefix = (count($dest) == 0) ? '' : ' AND ';
-
+
if ($val !== '')
{
if ( ! $this->_has_operator($key))
{
$key .= ' =';
}
-
+
$val = ' '.$this->escape($val);
}
-
+
$dest[] = $prefix.$key.$val;
}
- }
+ }
return $this->_update($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $dest);
- }
+ }
// --------------------------------------------------------------------
@@ -993,17 +993,17 @@
* @access public
* @param string the function name
* @param mixed any parameters needed by the function
- * @return mixed
- */
+ * @return mixed
+ */
function call_function($function)
{
$driver = ($this->dbdriver == 'postgre') ? 'pg_' : $this->dbdriver.'_';
-
+
if (FALSE === strpos($driver, $function))
{
$function = $driver.$function;
}
-
+
if ( ! function_exists($function))
{
if ($this->db_debug)
@@ -1028,7 +1028,7 @@
* @access public
* @param string the path to the cache directory
* @return void
- */
+ */
function cache_set_path($path = '')
{
$this->cachedir = $path;
@@ -1041,7 +1041,7 @@
*
* @access public
* @return void
- */
+ */
function cache_on()
{
$this->cache_on = TRUE;
@@ -1055,13 +1055,13 @@
*
* @access public
* @return void
- */
+ */
function cache_off()
{
$this->cache_on = FALSE;
return FALSE;
}
-
+
// --------------------------------------------------------------------
@@ -1070,7 +1070,7 @@
*
* @access public
* @return void
- */
+ */
function cache_delete($segment_one = '', $segment_two = '')
{
if ( ! $this->_cache_init())
@@ -1087,7 +1087,7 @@
*
* @access public
* @return void
- */
+ */
function cache_delete_all()
{
if ( ! $this->_cache_init())
@@ -1105,7 +1105,7 @@
*
* @access private
* @return void
- */
+ */
function _cache_init()
{
if (is_object($this->CACHE) AND class_exists('CI_DB_Cache'))
@@ -1131,8 +1131,8 @@
* Close DB Connection
*
* @access public
- * @return void
- */
+ * @return void
+ */
function close()
{
if (is_resource($this->conn_id) OR is_object($this->conn_id))
@@ -1141,7 +1141,7 @@
}
$this->conn_id = FALSE;
}
-
+
// --------------------------------------------------------------------
/**
@@ -1151,8 +1151,8 @@
* @param string the error message
* @param string any "swap" values
* @param boolean whether to localize the message
- * @return string sends the application/error_db.php template
- */
+ * @return string sends the application/error_db.php template
+ */
function display_error($error = '', $swap = '', $native = FALSE)
{
$LANG =& load_class('Lang', 'core');
@@ -1168,11 +1168,11 @@
{
$message = ( ! is_array($error)) ? array(str_replace('%s', $swap, $LANG->line($error))) : $error;
}
-
+
// Find the most likely culprit of the error by going through
// the backtrace until the source file is no longer in the
// database folder.
-
+
$trace = debug_backtrace();
foreach($trace as $call)
@@ -1182,11 +1182,11 @@
// Found it - use a relative path for safety
$message[] = 'Filename: '.str_replace(array(BASEPATH, APPPATH), '', $call['file']);
$message[] = 'Line Number: '.$call['line'];
-
+
break;
}
}
-
+
$error =& load_class('Exceptions', 'core');
echo $error->show_error($heading, $message, 'error_db');
exit;
@@ -1214,7 +1214,7 @@
* Protect Identifiers
*
* This function is used extensively by the Active Record class, and by
- * a couple functions in this class.
+ * a couple functions in this class.
* It takes a column or table name (optionally with an alias) and inserts
* the table prefix onto it. Some logic is necessary in order to deal with
* column names that include the path. Consider a query like this:
@@ -1236,7 +1236,7 @@
* @param mixed
* @param bool
* @return string
- */
+ */
function _protect_identifiers($item, $prefix_single = FALSE, $protect_identifiers = NULL, $field_exists = TRUE)
{
if ( ! is_bool($protect_identifiers))
@@ -1258,7 +1258,7 @@
// Convert tabs or multiple spaces into single spaces
$item = preg_replace('/[\t ]+/', ' ', $item);
-
+
// If the item has an alias declaration we remove it and set it aside.
// Basically we remove everything to the right of the first space
$alias = '';
@@ -1269,7 +1269,7 @@
}
// This is basically a bug fix for queries that use MAX, MIN, etc.
- // If a parenthesis is found we know that we do not need to
+ // If a parenthesis is found we know that we do not need to
// escape the data or add a prefix. There's probably a more graceful
// way to deal with this, but I'm not thinking of it -- Rick
if (strpos($item, '(') !== FALSE)
@@ -1283,7 +1283,7 @@
if (strpos($item, '.') !== FALSE)
{
$parts = explode('.', $item);
-
+
// Does the first segment of the exploded item match
// one of the aliases previously identified? If so,
// we have nothing more to do other than escape the item
@@ -1298,12 +1298,12 @@
$parts[$key] = $this->_escape_identifiers($val);
}
}
-
+
$item = implode('.', $parts);
- }
+ }
return $item.$alias;
}
-
+
// Is there a table prefix defined in the config file? If not, no need to do anything
if ($this->dbprefix != '')
{
@@ -1326,35 +1326,35 @@
{
$i = 0;
}
-
+
// This flag is set when the supplied $item does not contain a field name.
// This can happen when this function is being called from a JOIN.
if ($field_exists == FALSE)
{
$i++;
}
-
+
// Verify table prefix and replace if necessary
if ($this->swap_pre != '' && strncmp($parts[$i], $this->swap_pre, strlen($this->swap_pre)) === 0)
{
$parts[$i] = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $parts[$i]);
}
-
+
// We only add the table prefix if it does not already exist
if (substr($parts[$i], 0, strlen($this->dbprefix)) != $this->dbprefix)
{
$parts[$i] = $this->dbprefix.$parts[$i];
}
-
+
// Put the parts back together
$item = implode('.', $parts);
}
-
+
if ($protect_identifiers === TRUE)
{
$item = $this->_escape_identifiers($item);
}
-
+
return $item.$alias;
}
@@ -1371,14 +1371,14 @@
if ($prefix_single == TRUE AND substr($item, 0, strlen($this->dbprefix)) != $this->dbprefix)
{
$item = $this->dbprefix.$item;
- }
+ }
}
if ($protect_identifiers === TRUE AND ! in_array($item, $this->_reserved_identifiers))
{
$item = $this->_escape_identifiers($item);
}
-
+
return $item.$alias;
}