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-rw-r--r--system/database/DB_active_rec.php258
1 files changed, 186 insertions, 72 deletions
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index 530b44e09..b7f43945c 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -5,9 +5,9 @@
* 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:
@@ -40,42 +40,44 @@
*/
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 $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();
+ 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 $ar_cache_no_escape = array();
// --------------------------------------------------------------------
@@ -412,6 +414,8 @@ class CI_DB_active_record extends CI_DB_driver {
*/
protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL)
{
+ $type = $this->_group_get_type($type);
+
if ( ! is_array($key))
{
$key = array($key => $value);
@@ -441,7 +445,7 @@ class CI_DB_active_record extends CI_DB_driver {
$v = ' '.$this->escape($v);
}
-
+
if ( ! $this->_has_operator($k))
{
$k .= ' = ';
@@ -553,6 +557,8 @@ class CI_DB_active_record extends CI_DB_driver {
return;
}
+ $type = $this->_group_get_type($type);
+
if ( ! is_array($values))
{
$values = array($values);
@@ -663,6 +669,8 @@ class CI_DB_active_record extends CI_DB_driver {
*/
protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '')
{
+ $type = $this->_group_get_type($type);
+
if ( ! is_array($field))
{
$field = array($field => $match);
@@ -713,6 +721,112 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
+ * Starts a query group.
+ *
+ * @param string (Internal use only)
+ * @param string (Internal use only)
+ * @return object
+ */
+ public function group_start($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;
+ $value = $prefix . $not . str_repeat(' ', ++$this->ar_where_group_count) . ' (';
+
+ $this->ar_where[] = $value;
+ if ($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()
+ {
+ $value = str_repeat(' ', $this->ar_where_group_count--) . ')';
+
+ $this->ar_where[] = $value;
+ if ($this->ar_caching)
+ {
+ $this->ar_cache_where[] = $value;
+ }
+
+ $this->ar_where_group_started = FALSE;
+
+ 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
@@ -950,7 +1064,7 @@ class CI_DB_active_record extends CI_DB_driver {
return $this;
}
-
+
// --------------------------------------------------------------------
/**
@@ -963,24 +1077,24 @@ class CI_DB_active_record extends CI_DB_driver {
* @param boolean TRUE: resets AR values; FALSE: leave AR vaules alone
* @return string
*/
- public function get_compiled_select($table = '', $reset = TRUE)
+ public function get_compiled_select($table = '', $reset = TRUE)
{
if ($table != '')
{
$this->_track_aliases($table);
$this->from($table);
}
-
+
$select = $this->_compile_select();
-
+
if ($reset === TRUE)
{
$this->_reset_select();
}
-
+
return $select;
}
-
+
// --------------------------------------------------------------------
/**
@@ -1197,7 +1311,7 @@ class CI_DB_active_record extends CI_DB_driver {
return $this;
}
-
+
// --------------------------------------------------------------------
/**
@@ -1211,25 +1325,25 @@ class CI_DB_active_record extends CI_DB_driver {
* @return string
*/
public function get_compiled_insert($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_keys($this->ar_set),
array_values($this->ar_set)
);
-
+
if ($reset === TRUE)
{
$this->_reset_write();
}
-
+
return $sql;
}
@@ -1251,24 +1365,24 @@ class CI_DB_active_record extends CI_DB_driver {
{
$this->set($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_keys($this->ar_set),
array_values($this->ar_set)
);
$this->_reset_write();
return $this->query($sql);
}
-
+
// --------------------------------------------------------------------
/**
@@ -1282,7 +1396,7 @@ class CI_DB_active_record extends CI_DB_driver {
* @param string the table to insert data into
* @return string
*/
- protected function _validate_insert($table = '')
+ protected function _validate_insert($table = '')
{
if (count($this->ar_set) == 0)
{
@@ -1308,7 +1422,7 @@ class CI_DB_active_record extends CI_DB_driver {
{
$this->ar_from[0] = $table;
}
-
+
return TRUE;
}
@@ -1358,7 +1472,7 @@ class CI_DB_active_record extends CI_DB_driver {
$this->_reset_write();
return $this->query($sql);
}
-
+
// --------------------------------------------------------------------
/**
@@ -1375,22 +1489,22 @@ class CI_DB_active_record extends CI_DB_driver {
{
// 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;
}
-
+
// --------------------------------------------------------------------
/**
@@ -1433,7 +1547,7 @@ class CI_DB_active_record extends CI_DB_driver {
$this->_reset_write();
return $this->query($sql);
}
-
+
// --------------------------------------------------------------------
/**
@@ -1474,7 +1588,7 @@ class CI_DB_active_record extends CI_DB_driver {
$this->ar_from[0] = $table;
}
}
-
+
// --------------------------------------------------------------------
/**
@@ -1673,7 +1787,7 @@ class CI_DB_active_record extends CI_DB_driver {
return $this->query($sql);
}
-
+
// --------------------------------------------------------------------
/**
@@ -1693,7 +1807,7 @@ class CI_DB_active_record extends CI_DB_driver {
$this->return_delete_sql = FALSE;
return $sql;
}
-
+
// --------------------------------------------------------------------
/**
@@ -1766,7 +1880,7 @@ class CI_DB_active_record extends CI_DB_driver {
{
$this->_reset_write();
}
-
+
if ($this->return_delete_sql === true)
{
return $sql;
@@ -1774,7 +1888,7 @@ class CI_DB_active_record extends CI_DB_driver {
return $this->query($sql);
}
-
+
// --------------------------------------------------------------------
/**
@@ -1854,7 +1968,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
}
}
-
+
// --------------------------------------------------------------------
/**
@@ -2160,12 +2274,12 @@ class CI_DB_active_record extends CI_DB_driver {
$this->ar_no_escape = $this->ar_cache_no_escape;
}
-
+
// --------------------------------------------------------------------
/**
* Reset Active Record values.
- *
+ *
* Publicly-visible method to reset the AR values.
*
* @access public
@@ -2253,4 +2367,4 @@ class CI_DB_active_record extends CI_DB_driver {
}
/* End of file DB_active_rec.php */
-/* Location: ./system/database/DB_active_rec.php */ \ No newline at end of file
+/* Location: ./system/database/DB_active_rec.php */
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-01 06:00:56 +0100