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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
- *
- * NOTICE OF LICENSE
- *
- * Licensed under the Open Software License version 3.0
- *
- * This source file is subject to the Open Software License (OSL 3.0) that is
- * bundled with this package in the files license.txt / license.rst. It is
- * also available through the world wide web at this URL:
- * http://opensource.org/licenses/OSL-3.0
- * If you did not receive a copy of the license and are unable to obtain it
- * through the world wide web, please send an email to
- * licensing@ellislab.com so we can send you a copy immediately.
- *
- * @package CodeIgniter
- * @author EllisLab Dev Team
- * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
- * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Active Record Class
- *
- * This is the platform-independent base Active Record implementation class.
- *
- * @package CodeIgniter
- * @subpackage Drivers
- * @category Database
- * @author EllisLab Dev Team
- * @link http://codeigniter.com/user_guide/database/
- */
-class CI_DB_active_record extends CI_DB_driver {
-
- protected $return_delete_sql = FALSE;
- protected $reset_delete_data = FALSE;
-
- protected $ar_select = array();
- protected $ar_distinct = FALSE;
- protected $ar_from = array();
- protected $ar_join = array();
- protected $ar_where = array();
- protected $ar_like = array();
- protected $ar_groupby = array();
- protected $ar_having = array();
- protected $ar_keys = array();
- protected $ar_limit = FALSE;
- protected $ar_offset = FALSE;
- protected $ar_order = FALSE;
- protected $ar_orderby = array();
- protected $ar_set = array();
- protected $ar_wherein = array();
- protected $ar_aliased_tables = array();
- protected $ar_store_array = array();
- protected $ar_where_group_started = FALSE;
- protected $ar_where_group_count = 0;
-
- // Active Record Caching variables
- protected $ar_caching = FALSE;
- protected $ar_cache_exists = array();
- protected $ar_cache_select = array();
- protected $ar_cache_from = array();
- protected $ar_cache_join = array();
- protected $ar_cache_where = array();
- protected $ar_cache_like = array();
- protected $ar_cache_groupby = array();
- protected $ar_cache_having = array();
- protected $ar_cache_orderby = array();
- protected $ar_cache_set = array();
-
- protected $ar_no_escape = array();
- protected $ar_cache_no_escape = array();
-
- /**
- * Select
- *
- * Generates the SELECT portion of the query
- *
- * @param string
- * @return object
- */
- public function select($select = '*', $escape = NULL)
- {
- if (is_string($select))
- {
- $select = explode(',', $select);
- }
-
- foreach ($select as $val)
- {
- $val = trim($val);
-
- 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;
- }
- }
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Select Max
- *
- * Generates a SELECT MAX(field) portion of a query
- *
- * @param string the field
- * @param string an alias
- * @return object
- */
- public function select_max($select = '', $alias = '')
- {
- return $this->_max_min_avg_sum($select, $alias, 'MAX');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Select Min
- *
- * Generates a SELECT MIN(field) portion of a query
- *
- * @param string the field
- * @param string an alias
- * @return object
- */
- public function select_min($select = '', $alias = '')
- {
- return $this->_max_min_avg_sum($select, $alias, 'MIN');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Select Average
- *
- * Generates a SELECT AVG(field) portion of a query
- *
- * @param string the field
- * @param string an alias
- * @return object
- */
- public function select_avg($select = '', $alias = '')
- {
- return $this->_max_min_avg_sum($select, $alias, 'AVG');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Select Sum
- *
- * Generates a SELECT SUM(field) portion of a query
- *
- * @param string the field
- * @param string an alias
- * @return object
- */
- public function select_sum($select = '', $alias = '')
- {
- return $this->_max_min_avg_sum($select, $alias, 'SUM');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Processing Function for the four functions above:
- *
- * select_max()
- * select_min()
- * select_avg()
- * select_sum()
- *
- * @param string the field
- * @param string an alias
- * @return object
- */
- protected function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX')
- {
- if ( ! is_string($select) OR $select == '')
- {
- $this->display_error('db_invalid_query');
- }
-
- $type = strtoupper($type);
-
- if ( ! in_array($type, array('MAX', 'MIN', 'AVG', 'SUM')))
- {
- show_error('Invalid function type: '.$type);
- }
-
- if ($alias == '')
- {
- $alias = $this->_create_alias_from_table(trim($select));
- }
-
- $sql = $this->_protect_identifiers($type.'('.trim($select).')').' AS '.$this->_protect_identifiers(trim($alias));
- $this->ar_select[] = $sql;
-
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_select[] = $sql;
- $this->ar_cache_exists[] = 'select';
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Determines the alias name based on the table
- *
- * @param string
- * @return string
- */
- protected function _create_alias_from_table($item)
- {
- if (strpos($item, '.') !== FALSE)
- {
- return end(explode('.', $item));
- }
-
- return $item;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * DISTINCT
- *
- * Sets a flag which tells the query string compiler to add DISTINCT
- *
- * @param bool
- * @return object
- */
- public function distinct($val = TRUE)
- {
- $this->ar_distinct = (is_bool($val)) ? $val : TRUE;
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * From
- *
- * Generates the FROM portion of the query
- *
- * @param mixed can be a string or array
- * @return object
- */
- public function from($from)
- {
- foreach ((array)$from as $val)
- {
- if (strpos($val, ',') !== FALSE)
- {
- foreach (explode(',', $val) as $v)
- {
- $v = trim($v);
- $this->_track_aliases($v);
- $v = $this->ar_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE);
-
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_from[] = $v;
- $this->ar_cache_exists[] = 'from';
- }
- }
- }
- else
- {
- $val = trim($val);
-
- // Extract any aliases that might exist. We use this information
- // in the _protect_identifiers to know whether to add a table prefix
- $this->_track_aliases($val);
- $this->ar_from[] = $val = $this->_protect_identifiers($val, TRUE, NULL, FALSE);
-
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_from[] = $val;
- $this->ar_cache_exists[] = 'from';
- }
- }
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Join
- *
- * Generates the JOIN portion of the query
- *
- * @param string
- * @param string the join condition
- * @param string the type of join
- * @return object
- */
- public function join($table, $cond, $type = '')
- {
- if ($type != '')
- {
- $type = strtoupper(trim($type));
-
- if ( ! in_array($type, array('LEFT', 'RIGHT', 'OUTER', 'INNER', 'LEFT OUTER', 'RIGHT OUTER')))
- {
- $type = '';
- }
- else
- {
- $type .= ' ';
- }
- }
-
- // Extract any aliases that might exist. We use this information
- // in the _protect_identifiers to know whether to add a table prefix
- $this->_track_aliases($table);
-
- // Strip apart the condition and protect the identifiers
- if (preg_match('/([\w\.]+)([\W\s]+)(.+)/', $cond, $match))
- {
- $cond = $this->_protect_identifiers($match[1]).$match[2].$this->_protect_identifiers($match[3]);
- }
-
- // Assemble the JOIN statement
- $this->ar_join[] = $join = $type.'JOIN '.$this->_protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond;
-
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_join[] = $join;
- $this->ar_cache_exists[] = 'join';
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Where
- *
- * Generates the WHERE portion of the query. Separates
- * multiple calls with AND
- *
- * @param mixed
- * @param mixed
- * @return object
- */
- public function where($key, $value = NULL, $escape = TRUE)
- {
- return $this->_where($key, $value, 'AND ', $escape);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * OR Where
- *
- * Generates the WHERE portion of the query. Separates
- * multiple calls with OR
- *
- * @param mixed
- * @param mixed
- * @return object
- */
- public function or_where($key, $value = NULL, $escape = TRUE)
- {
- return $this->_where($key, $value, 'OR ', $escape);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Where
- *
- * Called by where() or or_where()
- *
- * @param mixed
- * @param mixed
- * @param string
- * @return object
- */
- protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL)
- {
- $type = $this->_group_get_type($type);
-
- if ( ! is_array($key))
- {
- $key = array($key => $value);
- }
-
- // If the escape value was not set will will base it on the global setting
- if ( ! is_bool($escape))
- {
- $escape = $this->_protect_identifiers;
- }
-
- foreach ($key as $k => $v)
- {
- $prefix = (count($this->ar_where) === 0 AND count($this->ar_cache_where) === 0) ? '' : $type;
-
- if (is_null($v) && ! $this->_has_operator($k))
- {
- // value appears not to have been set, assign the test to IS NULL
- $k .= ' IS NULL';
- }
-
- if ( ! is_null($v))
- {
- if ($escape === TRUE)
- {
- $k = $this->_protect_identifiers($k, FALSE, $escape);
- $v = ' '.$this->escape($v);
- }
-
- if ( ! $this->_has_operator($k))
- {
- $k .= ' = ';
- }
- }
- else
- {
- $k = $this->_protect_identifiers($k, FALSE, $escape);
- }
-
- $this->ar_where[] = $prefix.$k.$v;
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_where[] = $prefix.$k.$v;
- $this->ar_cache_exists[] = 'where';
- }
-
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Where_in
- *
- * Generates a WHERE field IN ('item', 'item') SQL query joined with
- * AND if appropriate
- *
- * @param string The field to search
- * @param array The values searched on
- * @return object
- */
- public function where_in($key = NULL, $values = NULL)
- {
- return $this->_where_in($key, $values);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Where_in_or
- *
- * Generates a WHERE field IN ('item', 'item') SQL query joined with
- * OR if appropriate
- *
- * @param string The field to search
- * @param array The values searched on
- * @return object
- */
- public function or_where_in($key = NULL, $values = NULL)
- {
- return $this->_where_in($key, $values, FALSE, 'OR ');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Where_not_in
- *
- * Generates a WHERE field NOT IN ('item', 'item') SQL query joined
- * with AND if appropriate
- *
- * @param string The field to search
- * @param array The values searched on
- * @return object
- */
- public function where_not_in($key = NULL, $values = NULL)
- {
- return $this->_where_in($key, $values, TRUE);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Where_not_in_or
- *
- * Generates a WHERE field NOT IN ('item', 'item') SQL query joined
- * with OR if appropriate
- *
- * @param string The field to search
- * @param array The values searched on
- * @return object
- */
- public function or_where_not_in($key = NULL, $values = NULL)
- {
- return $this->_where_in($key, $values, TRUE, 'OR ');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Where_in
- *
- * Called by where_in, where_in_or, where_not_in, where_not_in_or
- *
- * @param string The field to search
- * @param array The values searched on
- * @param boolean If the statement would be IN or NOT IN
- * @param string
- * @return object
- */
- protected function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ')
- {
- if ($key === NULL OR $values === NULL)
- {
- return;
- }
-
- $type = $this->_group_get_type($type);
-
- if ( ! is_array($values))
- {
- $values = array($values);
- }
-
- $not = ($not) ? ' NOT' : '';
-
- foreach ($values as $value)
- {
- $this->ar_wherein[] = $this->escape($value);
- }
-
- $prefix = (count($this->ar_where) === 0) ? '' : $type;
- $this->ar_where[] = $where_in = $prefix.$this->_protect_identifiers($key).$not.' IN ('.implode(', ', $this->ar_wherein).') ';
-
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_where[] = $where_in;
- $this->ar_cache_exists[] = 'where';
- }
-
- // reset the array for multiple calls
- $this->ar_wherein = array();
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Like
- *
- * Generates a %LIKE% portion of the query. Separates
- * multiple calls with AND
- *
- * @param mixed
- * @param mixed
- * @return object
- */
- public function like($field, $match = '', $side = 'both')
- {
- return $this->_like($field, $match, 'AND ', $side);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Not Like
- *
- * Generates a NOT LIKE portion of the query. Separates
- * multiple calls with AND
- *
- * @param mixed
- * @param mixed
- * @return object
- */
- public function not_like($field, $match = '', $side = 'both')
- {
- return $this->_like($field, $match, 'AND ', $side, 'NOT');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * OR Like
- *
- * Generates a %LIKE% portion of the query. Separates
- * multiple calls with OR
- *
- * @param mixed
- * @param mixed
- * @return object
- */
- public function or_like($field, $match = '', $side = 'both')
- {
- return $this->_like($field, $match, 'OR ', $side);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * OR Not Like
- *
- * Generates a NOT LIKE portion of the query. Separates
- * multiple calls with OR
- *
- * @param mixed
- * @param mixed
- * @return object
- */
- public function or_not_like($field, $match = '', $side = 'both')
- {
- return $this->_like($field, $match, 'OR ', $side, 'NOT');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Like
- *
- * Called by like() or orlike()
- *
- * @param mixed
- * @param mixed
- * @param string
- * @return object
- */
- protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '')
- {
- $type = $this->_group_get_type($type);
-
- if ( ! is_array($field))
- {
- $field = array($field => $match);
- }
-
- foreach ($field as $k => $v)
- {
- $k = $this->_protect_identifiers($k);
- $prefix = (count($this->ar_like) === 0) ? '' : $type;
- $v = $this->escape_like_str($v);
-
- if ($side === 'none')
- {
- $like_statement = $prefix." $k $not LIKE '{$v}'";
- }
- elseif ($side === 'before')
- {
- $like_statement = $prefix." $k $not LIKE '%{$v}'";
- }
- elseif ($side === 'after')
- {
- $like_statement = $prefix." $k $not LIKE '{$v}%'";
- }
- else
- {
- $like_statement = $prefix." $k $not LIKE '%{$v}%'";
- }
-
- // some platforms require an escape sequence definition for LIKE wildcards
- if ($this->_like_escape_str != '')
- {
- $like_statement = $like_statement.sprintf($this->_like_escape_str, $this->_like_escape_chr);
- }
-
- $this->ar_like[] = $like_statement;
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_like[] = $like_statement;
- $this->ar_cache_exists[] = 'like';
- }
-
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Starts a query group.
- *
- * @param string (Internal use only)
- * @param string (Internal use only)
- * @return object
- */
- public function group_start($not = '', $type = 'AND ')
- {
- $type = $this->_group_get_type($type);
- $this->ar_where_group_started = TRUE;
- $prefix = (count($this->ar_where) === 0 AND count($this->ar_cache_where) === 0) ? '' : $type;
- $this->ar_where[] = $value = $prefix.$not.str_repeat(' ', ++$this->ar_where_group_count).' (';
-
- if ($this->ar_caching)
- {
- $this->ar_cache_where[] = $value;
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Starts a query group, but ORs the group
- *
- * @return object
- */
- public function or_group_start()
- {
- return $this->group_start('', 'OR ');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Starts a query group, but NOTs the group
- *
- * @return object
- */
- public function not_group_start()
- {
- return $this->group_start('NOT ', 'AND ');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Starts a query group, but OR NOTs the group
- *
- * @return object
- */
- public function or_not_group_start()
- {
- return $this->group_start('NOT ', 'OR ');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Ends a query group
- *
- * @return object
- */
- public function group_end()
- {
- $this->ar_where_group_started = FALSE;
- $this->ar_where[] = $value = str_repeat(' ', $this->ar_where_group_count--) . ')';
-
- if ($this->ar_caching)
- {
- $this->ar_cache_where[] = $value;
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Group_get_type
- *
- * Called by group_start(), _like(), _where() and _where_in()
- *
- * @param string
- * @return string
- */
- protected function _group_get_type($type)
- {
- if ($this->ar_where_group_started)
- {
- $type = '';
- $this->ar_where_group_started = FALSE;
- }
-
- return $type;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * GROUP BY
- *
- * @param string
- * @return object
- */
- public function group_by($by)
- {
- if (is_string($by))
- {
- $by = explode(',', $by);
- }
-
- foreach ($by as $val)
- {
- $val = trim($val);
-
- if ($val != '')
- {
- $this->ar_groupby[] = $val = $this->_protect_identifiers($val);
-
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_groupby[] = $val;
- $this->ar_cache_exists[] = 'groupby';
- }
- }
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Sets the HAVING value
- *
- * Separates multiple calls with AND
- *
- * @param string
- * @param string
- * @return object
- */
- public function having($key, $value = '', $escape = TRUE)
- {
- return $this->_having($key, $value, 'AND ', $escape);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Sets the OR HAVING value
- *
- * Separates multiple calls with OR
- *
- * @param string
- * @param string
- * @return object
- */
- public function or_having($key, $value = '', $escape = TRUE)
- {
- return $this->_having($key, $value, 'OR ', $escape);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Sets the HAVING values
- *
- * Called by having() or or_having()
- *
- * @param string
- * @param string
- * @return object
- */
- protected function _having($key, $value = '', $type = 'AND ', $escape = TRUE)
- {
- if ( ! is_array($key))
- {
- $key = array($key => $value);
- }
-
- foreach ($key as $k => $v)
- {
- $prefix = (count($this->ar_having) === 0) ? '' : $type;
-
- if ($escape === TRUE)
- {
- $k = $this->_protect_identifiers($k);
- }
-
- if ( ! $this->_has_operator($k))
- {
- $k .= ' = ';
- }
-
- if ($v != '')
- {
- $v = ' '.$this->escape($v);
- }
-
- $this->ar_having[] = $prefix.$k.$v;
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_having[] = $prefix.$k.$v;
- $this->ar_cache_exists[] = 'having';
- }
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Sets the ORDER BY value
- *
- * @param string
- * @param string direction: asc or desc
- * @param bool enable field name escaping
- * @return object
- */
- public function order_by($orderby, $direction = '', $escape = TRUE)
- {
- if (strtolower($direction) === 'random')
- {
- $orderby = ''; // Random results want or don't need a field name
- $direction = $this->_random_keyword;
- }
- elseif (trim($direction) != '')
- {
- $direction = (in_array(strtoupper(trim($direction)), array('ASC', 'DESC'), TRUE)) ? ' '.$direction : ' ASC';
- }
-
-
- if ((strpos($orderby, ',') !== FALSE) && $escape === TRUE)
- {
- $temp = array();
- foreach (explode(',', $orderby) as $part)
- {
- $part = trim($part);
- if ( ! in_array($part, $this->ar_aliased_tables))
- {
- $part = $this->_protect_identifiers(trim($part));
- }
-
- $temp[] = $part;
- }
-
- $orderby = implode(', ', $temp);
- }
- elseif ($direction != $this->_random_keyword)
- {
- if ($escape === TRUE)
- {
- $orderby = $this->_protect_identifiers($orderby);
- }
- }
-
- $this->ar_orderby[] = $orderby_statement = $orderby.$direction;
-
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_orderby[] = $orderby_statement;
- $this->ar_cache_exists[] = 'orderby';
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Sets the LIMIT value
- *
- * @param integer the limit value
- * @param integer the offset value
- * @return object
- */
- public function limit($value, $offset = NULL)
- {
- $this->ar_limit = (int) $value;
-
- if ( ! is_null($offset))
- {
- $this->ar_offset = (int) $offset;
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Sets the OFFSET value
- *
- * @param integer the offset value
- * @return object
- */
- public function offset($offset)
- {
- $this->ar_offset = (int) $offset;
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The "set" function. Allows key/value pairs to be set for inserting or updating
- *
- * @param mixed
- * @param string
- * @param boolean
- * @return object
- */
- public function set($key, $value = '', $escape = TRUE)
- {
- $key = $this->_object_to_array($key);
-
- if ( ! is_array($key))
- {
- $key = array($key => $value);
- }
-
- foreach ($key as $k => $v)
- {
- if ($escape === FALSE)
- {
- $this->ar_set[$this->_protect_identifiers($k)] = $v;
- }
- else
- {
- $this->ar_set[$this->_protect_identifiers($k, FALSE, TRUE)] = $this->escape($v);
- }
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Get SELECT query string
- *
- * Compiles a SELECT query string and returns the sql.
- *
- * @access public
- * @param string the table name to select from (optional)
- * @param boolean TRUE: resets AR values; FALSE: leave AR vaules alone
- * @return string
- */
- public function get_compiled_select($table = '', $reset = TRUE)
- {
- if ($table != '')
- {
- $this->_track_aliases($table);
- $this->from($table);
- }
-
- $select = $this->_compile_select();
-
- if ($reset === TRUE)
- {
- $this->_reset_select();
- }
-
- return $select;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Get
- *
- * Compiles the select statement based on the other functions called
- * and runs the query
- *
- * @param string the table
- * @param string the limit clause
- * @param string the offset clause
- * @return object
- */
- public function get($table = '', $limit = null, $offset = null)
- {
- if ($table != '')
- {
- $this->_track_aliases($table);
- $this->from($table);
- }
-
- if ( ! is_null($limit))
- {
- $this->limit($limit, $offset);
- }
-
- $result = $this->query($this->_compile_select());
- $this->_reset_select();
- return $result;
- }
-
- /**
- * "Count All Results" query
- *
- * Generates a platform-specific query string that counts all records
- * returned by an Active Record query.
- *
- * @param string
- * @return string
- */
- public function count_all_results($table = '')
- {
- if ($table != '')
- {
- $this->_track_aliases($table);
- $this->from($table);
- }
-
- $result = $this->query($this->_compile_select($this->_count_string.$this->_protect_identifiers('numrows')));
- $this->_reset_select();
-
- if ($result->num_rows() === 0)
- {
- return 0;
- }
-
- $row = $result->row();
- return (int) $row->numrows;
- }
- // --------------------------------------------------------------------
-
- /**
- * Get_Where
- *
- * Allows the where clause, limit and offset to be added directly
- *
- * @param string the where clause
- * @param string the limit clause
- * @param string the offset clause
- * @return object
- */
- public function get_where($table = '', $where = null, $limit = null, $offset = null)
- {
- if ($table != '')
- {
- $this->from($table);
- }
-
- if ( ! is_null($where))
- {
- $this->where($where);
- }
-
- if ( ! is_null($limit))
- {
- $this->limit($limit, $offset);
- }
-
- $result = $this->query($this->_compile_select());
- $this->_reset_select();
- return $result;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_Batch
- *
- * Compiles batch insert strings and runs the queries
- *
- * @param string the table to retrieve the results from
- * @param array an associative array of insert values
- * @return object
- */
- public function insert_batch($table = '', $set = NULL)
- {
- if ( ! is_null($set))
- {
- $this->set_insert_batch($set);
- }
-
- if (count($this->ar_set) === 0)
- {
- if ($this->db_debug)
- {
- // No valid data array. Folds in cases where keys and values did not match up
- return $this->display_error('db_must_use_set');
- }
- return FALSE;
- }
-
- if ($table == '')
- {
- if ( ! isset($this->ar_from[0]))
- {
- return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE;
- }
-
- $table = $this->ar_from[0];
- }
-
- // Batch this baby
- for ($i = 0, $total = count($this->ar_set); $i < $total; $i += 100)
- {
- $this->query($this->_insert_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_keys, array_slice($this->ar_set, $i, 100)));
- }
-
- $this->_reset_write();
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The "set_insert_batch" function. Allows key/value pairs to be set for batch inserts
- *
- * @param mixed
- * @param string
- * @param boolean
- * @return object
- */
- public function set_insert_batch($key, $value = '', $escape = TRUE)
- {
- $key = $this->_object_to_array_batch($key);
-
- if ( ! is_array($key))
- {
- $key = array($key => $value);
- }
-
- $keys = array_keys(current($key));
- sort($keys);
-
- foreach ($key as $row)
- {
- if (count(array_diff($keys, array_keys($row))) > 0 OR count(array_diff(array_keys($row), $keys)) > 0)
- {
- // batch function above returns an error on an empty array
- $this->ar_set[] = array();
- return;
- }
-
- ksort($row); // puts $row in the same order as our keys
-
- if ($escape === FALSE)
- {
- $this->ar_set[] = '('.implode(',', $row).')';
- }
- else
- {
- $clean = array();
- foreach ($row as $value)
- {
- $clean[] = $this->escape($value);
- }
-
- $this->ar_set[] = '('.implode(',', $clean).')';
- }
- }
-
- foreach ($keys as $k)
- {
- $this->ar_keys[] = $this->_protect_identifiers($k);
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Get INSERT query string
- *
- * Compiles an insert query and returns the sql
- *
- * @access public
- * @param string the table to insert into
- * @param boolean TRUE: reset AR values; FALSE: leave AR values alone
- * @return string
- */
- public function get_compiled_insert($table = '', $reset = TRUE)
- {
- if ($this->_validate_insert($table) === FALSE)
- {
- return FALSE;
- }
-
- $sql = $this->_insert(
- $this->_protect_identifiers(
- $this->ar_from[0], TRUE, NULL, FALSE
- ),
- array_keys($this->ar_set),
- array_values($this->ar_set)
- );
-
- if ($reset === TRUE)
- {
- $this->_reset_write();
- }
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert
- *
- * Compiles an insert string and runs the query
- *
- * @access public
- * @param string the table to insert data into
- * @param array an associative array of insert values
- * @return object
- */
- public function insert($table = '', $set = NULL)
- {
- if ( ! is_null($set))
- {
- $this->set($set);
- }
-
- if ($this->_validate_insert($table) === FALSE)
- {
- return FALSE;
- }
-
- $sql = $this->_insert(
- $this->_protect_identifiers(
- $this->ar_from[0], TRUE, NULL, FALSE
- ),
- array_keys($this->ar_set),
- array_values($this->ar_set)
- );
-
- $this->_reset_write();
- return $this->query($sql);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Validate Insert
- *
- * This method is used by both insert() and get_compiled_insert() to
- * validate that the there data is actually being set and that table
- * has been chosen to be inserted into.
- *
- * @access public
- * @param string the table to insert data into
- * @return string
- */
- protected function _validate_insert($table = '')
- {
- if (count($this->ar_set) === 0)
- {
- return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
- }
-
- if ($table == '')
- {
- if ( ! isset($this->ar_from[0]))
- {
- return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE;
- }
- }
- else
- {
- $this->ar_from[0] = $table;
- }
-
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Replace
- *
- * Compiles an replace into string and runs the query
- *
- * @param string the table to replace data into
- * @param array an associative array of insert values
- * @return object
- */
- public function replace($table = '', $set = NULL)
- {
- if ( ! is_null($set))
- {
- $this->set($set);
- }
-
- if (count($this->ar_set) === 0)
- {
- return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
- }
-
- if ($table == '')
- {
- if ( ! isset($this->ar_from[0]))
- {
- return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE;
- }
-
- $table = $this->ar_from[0];
- }
-
- $sql = $this->_replace($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set));
- $this->_reset_write();
- return $this->query($sql);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Get UPDATE query string
- *
- * Compiles an update query and returns the sql
- *
- * @access public
- * @param string the table to update
- * @param boolean TRUE: reset AR values; FALSE: leave AR values alone
- * @return string
- */
- public function get_compiled_update($table = '', $reset = TRUE)
- {
- // Combine any cached components with the current statements
- $this->_merge_cache();
-
- if ($this->_validate_update($table) === FALSE)
- {
- return FALSE;
- }
-
- $sql = $this->_update($this->_protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit);
-
- if ($reset === TRUE)
- {
- $this->_reset_write();
- }
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update
- *
- * Compiles an update string and runs the query
- *
- * @param string the table to retrieve the results from
- * @param array an associative array of update values
- * @param mixed the where clause
- * @return object
- */
- public function update($table = '', $set = NULL, $where = NULL, $limit = NULL)
- {
- // Combine any cached components with the current statements
- $this->_merge_cache();
-
- if ( ! is_null($set))
- {
- $this->set($set);
- }
-
- if ($this->_validate_update($table) === FALSE)
- {
- return FALSE;
- }
-
- if ($where != NULL)
- {
- $this->where($where);
- }
-
- if ($limit != NULL)
- {
- $this->limit($limit);
- }
-
- $sql = $this->_update($this->_protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit, $this->ar_like);
- $this->_reset_write();
- return $this->query($sql);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Validate Update
- *
- * This method is used by both update() and get_compiled_update() to
- * validate that data is actually being set and that a table has been
- * chosen to be update.
- *
- * @access public
- * @param string the table to update data on
- * @return bool
- */
- protected function _validate_update($table = '')
- {
- if (count($this->ar_set) == 0)
- {
- return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
- }
-
- if ($table == '')
- {
- if ( ! isset($this->ar_from[0]))
- {
- return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE;
- }
- }
- else
- {
- $this->ar_from[0] = $table;
- }
-
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update_Batch
- *
- * Compiles an update string and runs the query
- *
- * @param string the table to retrieve the results from
- * @param array an associative array of update values
- * @param string the where key
- * @return bool
- */
- public function update_batch($table = '', $set = NULL, $index = NULL)
- {
- // Combine any cached components with the current statements
- $this->_merge_cache();
-
- if (is_null($index))
- {
- return ($this->db_debug) ? $this->display_error('db_must_use_index') : FALSE;
- }
-
- if ( ! is_null($set))
- {
- $this->set_update_batch($set, $index);
- }
-
- if (count($this->ar_set) === 0)
- {
- return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
- }
-
- if ($table == '')
- {
- if ( ! isset($this->ar_from[0]))
- {
- return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE;
- }
-
- $table = $this->ar_from[0];
- }
-
- // Batch this baby
- for ($i = 0, $total = count($this->ar_set); $i < $total; $i += 100)
- {
- $this->query($this->_update_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->ar_set, $i, 100), $this->_protect_identifiers($index), $this->ar_where));
- }
-
- $this->_reset_write();
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The "set_update_batch" function. Allows key/value pairs to be set for batch updating
- *
- * @param array
- * @param string
- * @param boolean
- * @return object
- */
- public function set_update_batch($key, $index = '', $escape = TRUE)
- {
- $key = $this->_object_to_array_batch($key);
-
- if ( ! is_array($key))
- {
- // @todo error
- }
-
- foreach ($key as $k => $v)
- {
- $index_set = FALSE;
- $clean = array();
- foreach ($v as $k2 => $v2)
- {
- if ($k2 == $index)
- {
- $index_set = TRUE;
- }
- else
- {
- $not[] = $k.'-'.$v;
- }
-
- $clean[$this->_protect_identifiers($k2)] = ($escape === FALSE) ? $v2 : $this->escape($v2);
- }
-
- if ($index_set == FALSE)
- {
- return $this->display_error('db_batch_missing_index');
- }
-
- $this->ar_set[] = $clean;
- }
-
- return $this;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Empty Table
- *
- * Compiles a delete string and runs "DELETE FROM table"
- *
- * @param string the table to empty
- * @return object
- */
- public function empty_table($table = '')
- {
- if ($table == '')
- {
- if ( ! isset($this->ar_from[0]))
- {
- return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE;
- }
-
- $table = $this->ar_from[0];
- }
- else
- {
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
- }
-
- $sql = $this->_delete($table);
- $this->_reset_write();
- return $this->query($sql);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Truncate
- *
- * Compiles a truncate string and runs the query
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @param string the table to truncate
- * @return object
- */
- public function truncate($table = '')
- {
- if ($table == '')
- {
- if ( ! isset($this->ar_from[0]))
- {
- return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE;
- }
-
- $table = $this->ar_from[0];
- }
- else
- {
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
- }
-
- $sql = $this->_truncate($table);
- $this->_reset_write();
- return $this->query($sql);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Get DELETE query string
- *
- * Compiles a delete query string and returns the sql
- *
- * @access public
- * @param string the table to delete from
- * @param boolean TRUE: reset AR values; FALSE: leave AR values alone
- * @return string
- */
- public function get_compiled_delete($table = '', $reset = TRUE)
- {
- $this->return_delete_sql = TRUE;
- $sql = $this->delete($table, '', NULL, $reset);
- $this->return_delete_sql = FALSE;
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete
- *
- * Compiles a delete string and runs the query
- *
- * @param mixed the table(s) to delete from. String or array
- * @param mixed the where clause
- * @param mixed the limit clause
- * @param boolean
- * @return object
- */
- public function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE)
- {
- // Combine any cached components with the current statements
- $this->_merge_cache();
-
- if ($table == '')
- {
- if ( ! isset($this->ar_from[0]))
- {
- return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE;
- }
-
- $table = $this->ar_from[0];
- }
- elseif (is_array($table))
- {
- foreach ($table as $single_table)
- {
- $this->delete($single_table, $where, $limit, FALSE);
- }
-
- $this->_reset_write();
- return;
- }
- else
- {
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
- }
-
- if ($where != '')
- {
- $this->where($where);
- }
-
- if ($limit != NULL)
- {
- $this->limit($limit);
- }
-
- if (count($this->ar_where) === 0 && count($this->ar_wherein) === 0 && count($this->ar_like) === 0)
- {
- return ($this->db_debug) ? $this->display_error('db_del_must_use_where') : FALSE;
- }
-
- $sql = $this->_delete($table, $this->ar_where, $this->ar_like, $this->ar_limit);
- if ($reset_data)
- {
- $this->_reset_write();
- }
-
- return ($this->return_delete_sql === TRUE) ? $sql : $this->query($sql);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * DB Prefix
- *
- * Prepends a database prefix if one exists in configuration
- *
- * @param string the table
- * @return string
- */
- public function dbprefix($table = '')
- {
- if ($table == '')
- {
- $this->display_error('db_table_name_required');
- }
-
- return $this->dbprefix.$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * 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 = $prefix;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Track Aliases
- *
- * Used to track SQL statements written with aliased tables.
- *
- * @param string The table to inspect
- * @return string
- */
- protected function _track_aliases($table)
- {
- if (is_array($table))
- {
- foreach ($table as $t)
- {
- $this->_track_aliases($t);
- }
- return;
- }
-
- // Does the string contain a comma? If so, we need to separate
- // the string into discreet statements
- if (strpos($table, ',') !== FALSE)
- {
- return $this->_track_aliases(explode(',', $table));
- }
-
- // if a table alias is used we can recognize it by a space
- if (strpos($table, ' ') !== FALSE)
- {
- // if the alias is written with the AS keyword, remove it
- $table = preg_replace('/ AS /i', ' ', $table);
-
- // Grab the alias
- $table = trim(strrchr($table, ' '));
-
- // Store the alias, if it doesn't already exist
- if ( ! in_array($table, $this->ar_aliased_tables))
- {
- $this->ar_aliased_tables[] = $table;
- }
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Compile the SELECT statement
- *
- * Generates a query string based on which functions were used.
- * Should not be called directly. The get() function calls it.
- *
- * @return string
- */
- protected function _compile_select($select_override = FALSE)
- {
- // Combine any cached components with the current statements
- $this->_merge_cache();
-
- // Write the "select" portion of the query
- if ($select_override !== FALSE)
- {
- $sql = $select_override;
- }
- else
- {
- $sql = ( ! $this->ar_distinct) ? 'SELECT ' : 'SELECT DISTINCT ';
-
- if (count($this->ar_select) === 0)
- {
- $sql .= '*';
- }
- else
- {
- // Cycle through the "select" portion of the query and prep each column name.
- // The reason we protect identifiers here rather then in the select() function
- // is because until the user calls the from() function we don't know if there are aliases
- foreach ($this->ar_select as $key => $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(', ', $this->ar_select);
- }
- }
-
- // Write the "FROM" portion of the query
- if (count($this->ar_from) > 0)
- {
- $sql .= "\nFROM ".$this->_from_tables($this->ar_from);
- }
-
- // Write the "JOIN" portion of the query
- if (count($this->ar_join) > 0)
- {
- $sql .= "\n".implode("\n", $this->ar_join);
- }
-
- // Write the "WHERE" portion of the query
- if (count($this->ar_where) > 0 OR count($this->ar_like) > 0)
- {
- $sql .= "\nWHERE ";
- }
-
- $sql .= implode("\n", $this->ar_where);
-
- // Write the "LIKE" portion of the query
- if (count($this->ar_like) > 0)
- {
- if (count($this->ar_where) > 0)
- {
- $sql .= "\nAND ";
- }
-
- $sql .= implode("\n", $this->ar_like);
- }
-
- // Write the "GROUP BY" portion of the query
- if (count($this->ar_groupby) > 0)
- {
- $sql .= "\nGROUP BY ".implode(', ', $this->ar_groupby);
- }
-
- // Write the "HAVING" portion of the query
- if (count($this->ar_having) > 0)
- {
- $sql .= "\nHAVING ".implode("\n", $this->ar_having);
- }
-
- // Write the "ORDER BY" portion of the query
- if (count($this->ar_orderby) > 0)
- {
- $sql .= "\nORDER BY ".implode(', ', $this->ar_orderby);
- if ($this->ar_order !== FALSE)
- {
- $sql .= ($this->ar_order == 'desc') ? ' DESC' : ' ASC';
- }
- }
-
- // Write the "LIMIT" portion of the query
- if (is_numeric($this->ar_limit))
- {
- return $this->_limit($sql."\n", $this->ar_limit, $this->ar_offset);
- }
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Object to Array
- *
- * Takes an object as input and converts the class variables to array key/vals
- *
- * @param object
- * @return array
- */
- public function _object_to_array($object)
- {
- if ( ! is_object($object))
- {
- return $object;
- }
-
- $array = array();
- foreach (get_object_vars($object) as $key => $val)
- {
- // There are some built in keys we need to ignore for this conversion
- if ( ! is_object($val) && ! is_array($val) && $key != '_parent_name')
- {
- $array[$key] = $val;
- }
- }
-
- return $array;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Object to Array
- *
- * Takes an object as input and converts the class variables to array key/vals
- *
- * @param object
- * @return array
- */
- public function _object_to_array_batch($object)
- {
- if ( ! is_object($object))
- {
- return $object;
- }
-
- $array = array();
- $out = get_object_vars($object);
- $fields = array_keys($out);
-
- foreach ($fields as $val)
- {
- // There are some built in keys we need to ignore for this conversion
- if ($val !== '_parent_name')
- {
- $i = 0;
- foreach ($out[$val] as $data)
- {
- $array[$i++][$val] = $data;
- }
- }
- }
-
- return $array;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Start Cache
- *
- * Starts AR caching
- *
- * @return void
- */
- public function start_cache()
- {
- $this->ar_caching = TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Stop Cache
- *
- * Stops AR caching
- *
- * @return void
- */
- public function stop_cache()
- {
- $this->ar_caching = FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Flush Cache
- *
- * Empties the AR cache
- *
- * @access public
- * @return void
- */
- public function flush_cache()
- {
- $this->_reset_run(array(
- 'ar_cache_select' => array(),
- 'ar_cache_from' => array(),
- 'ar_cache_join' => array(),
- 'ar_cache_where' => array(),
- 'ar_cache_like' => array(),
- 'ar_cache_groupby' => array(),
- 'ar_cache_having' => array(),
- 'ar_cache_orderby' => array(),
- 'ar_cache_set' => array(),
- 'ar_cache_exists' => array(),
- 'ar_cache_no_escape' => array()
- ));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Merge Cache
- *
- * When called, this function merges any cached AR arrays with
- * locally called ones.
- *
- * @return void
- */
- protected function _merge_cache()
- {
- if (count($this->ar_cache_exists) === 0)
- {
- return;
- }
-
- foreach ($this->ar_cache_exists as $val)
- {
- $ar_variable = 'ar_'.$val;
- $ar_cache_var = 'ar_cache_'.$val;
-
- if (count($this->$ar_cache_var) === 0)
- {
- continue;
- }
-
- $this->$ar_variable = array_unique(array_merge($this->$ar_cache_var, $this->$ar_variable));
- }
-
- // If we are "protecting identifiers" we need to examine the "from"
- // portion of the query to determine if there are any aliases
- if ($this->_protect_identifiers === TRUE AND count($this->ar_cache_from) > 0)
- {
- $this->_track_aliases($this->ar_from);
- }
-
- $this->ar_no_escape = $this->ar_cache_no_escape;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Reset Active Record values.
- *
- * Publicly-visible method to reset the AR values.
- *
- * @return void
- */
- public function reset_query()
- {
- $this->_reset_select();
- $this->_reset_write();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Resets the active record values. Called by the get() function
- *
- * @param array An array of fields to reset
- * @return void
- */
- protected function _reset_run($ar_reset_items)
- {
- foreach ($ar_reset_items as $item => $default_value)
- {
- if ( ! in_array($item, $this->ar_store_array))
- {
- $this->$item = $default_value;
- }
- }
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Resets the active record values. Called by the get() function
- *
- * @return void
- */
- protected function _reset_select()
- {
- $this->_reset_run(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_no_escape' => array(),
- 'ar_distinct' => FALSE,
- 'ar_limit' => FALSE,
- 'ar_offset' => FALSE,
- 'ar_order' => FALSE
- )
- );
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Resets the active record "write" values.
- *
- * Called by the insert() update() insert_batch() update_batch() and delete() functions
- *
- * @return void
- */
- protected function _reset_write()
- {
- $this->_reset_run(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
- )
- );
- }
-
-}
-
-/* End of file DB_active_rec.php */
-/* Location: ./system/database/DB_active_rec.php */
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-10-30 02:51:53 +0100