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-rw-r--r--system/database/DB_active_rec.php569
1 files changed, 301 insertions, 268 deletions
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index e7920d083..f4c13cc42 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -28,57 +28,38 @@
*/
class CI_DB_active_record extends CI_DB_driver {
- var $ar_select = array();
- var $ar_distinct = FALSE;
- var $ar_from = array();
- var $ar_join = array();
- var $ar_where = array();
- var $ar_like = array();
- var $ar_groupby = array();
- var $ar_having = array();
- var $ar_limit = FALSE;
- var $ar_offset = FALSE;
- var $ar_order = FALSE;
- var $ar_orderby = array();
- var $ar_set = array();
- var $ar_wherein = array();
+ var $ar_select = array();
+ var $ar_distinct = FALSE;
+ var $ar_from = array();
+ var $ar_join = array();
+ var $ar_where = array();
+ var $ar_like = array();
+ var $ar_groupby = array();
+ var $ar_having = array();
+ var $ar_limit = FALSE;
+ var $ar_offset = FALSE;
+ var $ar_order = FALSE;
+ var $ar_orderby = array();
+ var $ar_set = array();
+ var $ar_wherein = array();
var $ar_aliased_tables = array();
- var $ar_store_array = array();
-
+ var $ar_store_array = array();
+
// Active Record Caching variables
- var $ar_caching = FALSE;
- var $ar_cache_select = array();
- var $ar_cache_from = array();
- var $ar_cache_join = array();
- var $ar_cache_where = array();
- var $ar_cache_like = array();
- var $ar_cache_groupby = array();
- var $ar_cache_having = array();
- var $ar_cache_limit = FALSE;
- var $ar_cache_offset = FALSE;
- var $ar_cache_order = FALSE;
- var $ar_cache_orderby = array();
- var $ar_cache_set = array();
-
-
- /**
- * DB Prefix
- *
- * Prepends a database prefix if one exists in configuration
- *
- * @access public
- * @param string the table
- * @return string
- */
- function dbprefix($table = '')
- {
- if ($table == '')
- {
- $this->display_error('db_table_name_required');
- }
+ var $ar_caching = FALSE;
+ var $ar_cache_select = array();
+ var $ar_cache_from = array();
+ var $ar_cache_join = array();
+ var $ar_cache_where = array();
+ var $ar_cache_like = array();
+ var $ar_cache_groupby = array();
+ var $ar_cache_having = array();
+ var $ar_cache_limit = FALSE;
+ var $ar_cache_offset = FALSE;
+ var $ar_cache_order = FALSE;
+ var $ar_cache_orderby = array();
+ var $ar_cache_set = array();
- return $this->dbprefix.$table;
- }
// --------------------------------------------------------------------
@@ -91,39 +72,27 @@ class CI_DB_active_record extends CI_DB_driver {
* @param string
* @return object
*/
- function select($select = '*', $protect_identifiers = TRUE)
+ function select($select = '*', $escape = NULL)
{
+ // Set the global value if this was sepecified
+ if (is_bool($escape))
+ {
+ $this->_protect_identifiers = $escape;
+ }
+
if (is_string($select))
{
- if ($protect_identifiers !== FALSE)
- {
- $select = explode(',', $select);
- }
- else
- {
- $select = array($select);
- }
+ $select = explode(',', $select);
}
foreach ($select as $val)
{
$val = trim($val);
- if ($val != '*' && $protect_identifiers !== FALSE)
- {
- if (strpos($val, '.') !== FALSE)
- {
- $val = $this->dbprefix.$val;
- }
- else
- {
- $val = $this->_protect_identifiers($val);
- }
- }
-
if ($val != '')
{
$this->ar_select[] = $val;
+
if ($this->ar_caching === TRUE)
{
$this->ar_cache_select[] = $val;
@@ -145,26 +114,11 @@ class CI_DB_active_record extends CI_DB_driver {
* @param string an alias
* @return object
*/
- function select_max($select = '', $alias='')
+ function select_max($select = '', $alias = '')
{
- if ( ! is_string($select) OR $select == '')
- {
- $this->display_error('db_invalid_query');
- }
-
- $alias = ($alias != '') ? $alias : $select;
-
- $sql = 'MAX('.$this->_protect_identifiers(trim($select)).') AS '.$this->_protect_identifiers(trim($alias));
-
- $this->ar_select[] = $sql;
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_select[] = $sql;
- }
-
- return $this;
+ return $this->_max_min_avg_sum($select, $alias, 'MAX');
}
-
+
// --------------------------------------------------------------------
/**
@@ -177,24 +131,9 @@ class CI_DB_active_record extends CI_DB_driver {
* @param string an alias
* @return object
*/
- function select_min($select = '', $alias='')
+ function select_min($select = '', $alias = '')
{
- if ( ! is_string($select) OR $select == '')
- {
- $this->display_error('db_invalid_query');
- }
-
- $alias = ($alias != '') ? $alias : $select;
-
- $sql = 'MIN('.$this->_protect_identifiers(trim($select)).') AS '.$this->_protect_identifiers(trim($alias));
-
- $this->ar_select[] = $sql;
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_select[] = $sql;
- }
-
- return $this;
+ return $this->_max_min_avg_sum($select, $alias, 'MIN');
}
// --------------------------------------------------------------------
@@ -209,24 +148,9 @@ class CI_DB_active_record extends CI_DB_driver {
* @param string an alias
* @return object
*/
- function select_avg($select = '', $alias='')
+ function select_avg($select = '', $alias = '')
{
- if ( ! is_string($select) OR $select == '')
- {
- $this->display_error('db_invalid_query');
- }
-
- $alias = ($alias != '') ? $alias : $select;
-
- $sql = 'AVG('.$this->_protect_identifiers(trim($select)).') AS '.$this->_protect_identifiers(trim($alias));
-
- $this->ar_select[] = $sql;
- if ($this->ar_caching === TRUE)
- {
- $this->ar_cache_select[] = $sql;
- }
-
- return $this;
+ return $this->_max_min_avg_sum($select, $alias, 'AVG');
}
// --------------------------------------------------------------------
@@ -241,29 +165,79 @@ class CI_DB_active_record extends CI_DB_driver {
* @param string an alias
* @return object
*/
- function select_sum($select = '', $alias='')
+ function select_sum($select = '', $alias = '')
+ {
+ return $this->_max_min_avg_sum($select, $alias, 'SUM');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Processing Function for the four functions above:
+ *
+ * select_max()
+ * select_min()
+ * select_avg()
+ * select_sum()
+ *
+ * @access public
+ * @param string the field
+ * @param string an alias
+ * @return object
+ */
+ function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX')
{
if ( ! is_string($select) OR $select == '')
{
$this->display_error('db_invalid_query');
}
-
- $alias = ($alias != '') ? $alias : $select;
- $sql = 'SUM('.$this->_protect_identifiers(trim($select)).') AS '.$this->_protect_identifiers(trim($alias));
+ $type = strtoupper($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 = $type.'('.$this->_protect_identifiers(trim($select)).') AS '.$alias;
$this->ar_select[] = $sql;
+
if ($this->ar_caching === TRUE)
{
$this->ar_cache_select[] = $sql;
}
-
+
return $this;
}
// --------------------------------------------------------------------
/**
+ * Determines the alias name based on the table
+ *
+ * @access private
+ * @param string
+ * @return string
+ */
+ function _create_alias_from_table($item)
+ {
+ if (strpos($item, '.') !== FALSE)
+ {
+ return end(explode('.', $item));
+ }
+
+ return $item;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* DISTINCT
*
* Sets a flag which tells the query string compiler to add DISTINCT
@@ -293,10 +267,15 @@ class CI_DB_active_record extends CI_DB_driver {
{
foreach ((array)$from as $val)
{
- $this->ar_from[] = $this->_protect_identifiers($this->_track_aliases($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[] = $this->_protect_identifiers($val, TRUE, NULL, FALSE);
+
if ($this->ar_caching === TRUE)
{
- $this->ar_cache_from[] = $this->_protect_identifiers($this->_track_aliases($val));
+ $this->ar_cache_from[] = $this->_protect_identifiers($val, TRUE, NULL, FALSE);
}
}
@@ -322,7 +301,7 @@ class CI_DB_active_record extends CI_DB_driver {
{
$type = strtoupper(trim($type));
- if ( ! in_array($type, array('LEFT', 'RIGHT', 'OUTER', 'INNER', 'LEFT OUTER', 'RIGHT OUTER'), TRUE))
+ if ( ! in_array($type, array('LEFT', 'RIGHT', 'OUTER', 'INNER', 'LEFT OUTER', 'RIGHT OUTER')))
{
$type = '';
}
@@ -332,19 +311,21 @@ class CI_DB_active_record extends CI_DB_driver {
}
}
- // If a DB prefix is used we might need to add it to the column names
- if ($this->dbprefix)
- {
- $this->_track_aliases($table);
-
- // First we remove any existing prefixes in the condition to avoid duplicates
- $cond = preg_replace('|('.$this->dbprefix.')([\w\.]+)([\W\s]+)|', "$2$3", $cond);
+ // 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);
- // Next we add the prefixes to the condition
- $cond = preg_replace('|([\w\.]+)([\W\s]+)(.+)|', $this->dbprefix . "$1$2" . $this->dbprefix . "$3", $cond);
+ // Strip apart the condition and protect the identifiers
+ if (preg_match('/([\w\.]+)([\W\s]+)(.+)/', $cond, $match))
+ {
+ $match[1] = $this->_protect_identifiers($match[1]);
+ $match[3] = $this->_protect_identifiers($match[3]);
+
+ $cond = $match[1].$match[2].$match[3];
}
-
- $join = $type.'JOIN '.$this->_protect_identifiers($this->dbprefix.$table, TRUE).' ON '.$cond;
+
+ // Assemble the JOIN statement
+ $join = $type.'JOIN '.$this->_protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond;
$this->ar_join[] = $join;
if ($this->ar_caching === TRUE)
@@ -416,12 +397,18 @@ class CI_DB_active_record extends CI_DB_driver {
* @param string
* @return object
*/
- function _where($key, $value = NULL, $type = 'AND ', $escape = TRUE)
+ function _where($key, $value = NULL, $type = 'AND ', $escape = NULL)
{
if ( ! is_array($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 => $v)
{
@@ -437,15 +424,7 @@ class CI_DB_active_record extends CI_DB_driver {
{
if ($escape === TRUE)
{
- // exception for "field<=" keys
- if ($this->_has_operator($k))
- {
- $k = preg_replace("/([A-Za-z_0-9]+)/", $this->_escape_column($this->_protect_identifiers('$1')), $k);
- }
- else
- {
- $k = $this->_protect_identifiers($k);
- }
+ $k = $this->_protect_identifiers($k, FALSE, $escape);
$v = ' '.$this->escape($v);
}
@@ -457,10 +436,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
else
{
- if ($escape === TRUE)
- {
- $k = $this->_protect_identifiers($k, TRUE);
- }
+ $k = $this->_protect_identifiers($k, FALSE, $escape);
}
$this->ar_where[] = $prefix.$k.$v;
@@ -489,7 +465,7 @@ class CI_DB_active_record extends CI_DB_driver {
* @return object
*/
function where_in($key = NULL, $values = NULL)
- {
+ {
return $this->_where_in($key, $values);
}
@@ -557,18 +533,23 @@ class CI_DB_active_record extends CI_DB_driver {
* @access public
* @param string The field to search
* @param array The values searched on
- * @param boolean If the statement whould be IN or NOT IN
+ * @param boolean If the statement would be IN or NOT IN
* @param string
* @return object
*/
function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ')
{
- if ($key === NULL OR ! is_array($values))
+ if ($key === NULL OR $values === NULL)
{
return;
}
-
- $not = ($not) ? ' NOT ' : '';
+
+ if ( ! is_array($values))
+ {
+ $values = array($values);
+ }
+
+ $not = ($not) ? ' NOT' : '';
foreach ($values as $value)
{
@@ -623,7 +604,7 @@ class CI_DB_active_record extends CI_DB_driver {
*/
function not_like($field, $match = '', $side = 'both')
{
- return $this->_like($field, $match, 'AND ', $side, ' NOT');
+ return $this->_like($field, $match, 'AND ', $side, 'NOT');
}
// --------------------------------------------------------------------
@@ -659,7 +640,7 @@ class CI_DB_active_record extends CI_DB_driver {
*/
function or_not_like($field, $match = '', $side = 'both')
{
- return $this->_like($field, $match, 'OR ', $side, 'NOT ');
+ return $this->_like($field, $match, 'OR ', $side, 'NOT');
}
// --------------------------------------------------------------------
@@ -695,13 +676,12 @@ class CI_DB_active_record extends CI_DB_driver {
}
foreach ($field as $k => $v)
- {
-
+ {
$k = $this->_protect_identifiers($k);
$prefix = (count($this->ar_like) == 0) ? '' : $type;
- $v = $this->escape($v);
+ $v = $this->escape_str($v);
if ($side == 'before')
{
@@ -749,6 +729,7 @@ class CI_DB_active_record extends CI_DB_driver {
if ($val != '')
{
$this->ar_groupby[] = $this->_protect_identifiers($val);
+
if ($this->ar_caching === TRUE)
{
$this->ar_cache_groupby[] = $this->_protect_identifiers($val);
@@ -851,7 +832,7 @@ class CI_DB_active_record extends CI_DB_driver {
if ($v != '')
{
- $v = ' '.$this->escape($v);
+ $v = ' '.$this->escape_str($v);
}
$this->ar_having[] = $prefix.$k.$v;
@@ -886,7 +867,7 @@ class CI_DB_active_record extends CI_DB_driver {
$direction = (in_array(strtoupper(trim($direction)), array('ASC', 'DESC'), TRUE)) ? ' '.$direction : ' ASC';
}
- $orderby_statement = $this->_protect_identifiers($orderby, TRUE).$direction;
+ $orderby_statement = $this->_protect_identifiers($orderby).$direction;
$this->ar_orderby[] = $orderby_statement;
if ($this->ar_caching === TRUE)
@@ -984,6 +965,7 @@ class CI_DB_active_record extends CI_DB_driver {
if ($escape === FALSE)
{
$this->ar_set[$this->_protect_identifiers($k)] = $v;
+
if ($this->ar_caching === TRUE)
{
$this->ar_cache_offset[$this->_protect_identifiers($k)] = $v;
@@ -992,6 +974,7 @@ class CI_DB_active_record extends CI_DB_driver {
else
{
$this->ar_set[$this->_protect_identifiers($k)] = $this->escape($v);
+
if ($this->ar_caching === TRUE)
{
$this->ar_cache_offset[$this->_protect_identifiers($k)] = $this->escape($v);
@@ -1085,7 +1068,6 @@ class CI_DB_active_record extends CI_DB_driver {
{
if ($table != '')
{
- $this->_track_aliases($table);
$this->from($table);
}
@@ -1160,7 +1142,7 @@ class CI_DB_active_record extends CI_DB_driver {
$table = $this->ar_from[0];
}
- $sql = $this->_insert($this->_protect_identifiers($this->dbprefix.$table), array_keys($this->ar_set), array_values($this->ar_set));
+ $sql = $this->_insert($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set));
$this->_reset_write();
return $this->query($sql);
@@ -1219,7 +1201,7 @@ class CI_DB_active_record extends CI_DB_driver {
$this->limit($limit);
}
- $sql = $this->_update($this->_protect_identifiers($this->dbprefix.$table), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit);
+ $sql = $this->_update($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit);
$this->_reset_write();
return $this->query($sql);
@@ -1253,10 +1235,9 @@ class CI_DB_active_record extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($this->dbprefix.$table);
+ $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
-
$sql = $this->_delete($table);
$this->_reset_write();
@@ -1294,10 +1275,9 @@ class CI_DB_active_record extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($this->dbprefix.$table);
+ $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
-
$sql = $this->_truncate($table);
$this->_reset_write();
@@ -1346,7 +1326,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($this->dbprefix.$table);
+ $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
if ($where != '')
@@ -1382,13 +1362,22 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Use Table - DEPRECATED
+ * DB Prefix
*
- * @deprecated use $this->db->from instead
+ * Prepends a database prefix if one exists in configuration
+ *
+ * @access public
+ * @param string the table
+ * @return string
*/
- function use_table($table)
+ function dbprefix($table = '')
{
- return $this->from($table);
+ if ($table == '')
+ {
+ $this->display_error('db_table_name_required');
+ }
+
+ return $this->dbprefix.$table;
}
// --------------------------------------------------------------------
@@ -1404,41 +1393,37 @@ class CI_DB_active_record extends CI_DB_driver {
*/
function _track_aliases($table)
{
- // if a table alias is used we can recognize it by a space
- if (strpos($table, " ") !== FALSE)
+ if (is_array($table))
{
- // if the alias is written with the AS keyowrd, get it out
- $table = preg_replace('/ AS /i', ' ', $table);
-
- $this->ar_aliased_tables[] = trim(strrchr($table, " "));
+ foreach ($table as $t)
+ {
+ $this->_track_aliases($t);
+ }
+ return;
}
-
- return $this->dbprefix.$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Filter Table Aliases
- *
- * Intelligently removes database prefixes from aliased tables
- *
- * @access private
- * @param array An array of compiled SQL
- * @return array Cleaned up statement with aliases accounted for
- */
- function _filter_table_aliases($statements)
- {
-
- foreach ($statements as $k => $v)
+
+ // Does the string contain a comma? If so, we need to separate
+ // the string into discreet statements
+ if (strpos($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)
{
- foreach ($this->ar_aliased_tables as $table)
+ // 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))
{
- $statements[$k] = preg_replace('/(\w+\.\w+)/', $this->_protect_identifiers('$0'), $statements[$k]); // makes `table.field`
- $statements[$k] = str_replace($this->dbprefix.$table.'.', $table.'.', $statements[$k]);
+ $this->ar_aliased_tables[] = $table;
}
}
- return $statements;
}
// --------------------------------------------------------------------
@@ -1456,69 +1441,99 @@ class CI_DB_active_record extends CI_DB_driver {
{
$this->_merge_cache();
- $sql = ( ! $this->ar_distinct) ? 'SELECT ' : 'SELECT DISTINCT ';
-
- $sql .= (count($this->ar_select) == 0) ? '*' : implode(', ', $this->_filter_table_aliases($this->ar_select));
+ // ----------------------------------------------------------------
+
+ // 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)
+ {
+ $this->ar_select[$key] = $this->_protect_identifiers($val);
+ }
+
+ $sql .= implode(', ', $this->ar_select);
+ }
+ }
+
+ // ----------------------------------------------------------------
+
+ // Write the "FROM" portion of the query
if (count($this->ar_from) > 0)
{
$sql .= "\nFROM ";
+
$sql .= $this->_from_tables($this->ar_from);
}
+ // ----------------------------------------------------------------
+
+ // Write the "JOIN" portion of the query
+
if (count($this->ar_join) > 0)
{
$sql .= "\n";
- // special consideration for table aliases
- if (count($this->ar_aliased_tables) > 0 && $this->dbprefix)
- {
- $sql .= implode("\n", $this->_filter_table_aliases($this->ar_join));
- }
- else
- {
- $sql .= implode("\n", $this->ar_join);
- }
-
+ $sql .= 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 .= "\n";
+
+ $sql .= "WHERE ";
}
$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 .= " AND ";
+ $sql .= "\nAND ";
}
$sql .= implode("\n", $this->ar_like);
}
+
+ // ----------------------------------------------------------------
+ // Write the "GROUP BY" portion of the query
+
if (count($this->ar_groupby) > 0)
{
-
$sql .= "\nGROUP BY ";
- // special consideration for table aliases
- if (count($this->ar_aliased_tables) > 0 && $this->dbprefix)
- {
- $sql .= implode(", ", $this->_filter_table_aliases($this->ar_groupby));
- }
- else
- {
- $sql .= implode(', ', $this->ar_groupby);
- }
+ $sql .= implode(', ', $this->ar_groupby);
}
+
+ // ----------------------------------------------------------------
+
+ // Write the "HAVING" portion of the query
if (count($this->ar_having) > 0)
{
@@ -1526,6 +1541,10 @@ class CI_DB_active_record extends CI_DB_driver {
$sql .= implode("\n", $this->ar_having);
}
+ // ----------------------------------------------------------------
+
+ // Write the "ORDER BY" portion of the query
+
if (count($this->ar_orderby) > 0)
{
$sql .= "\nORDER BY ";
@@ -1536,6 +1555,10 @@ class CI_DB_active_record extends CI_DB_driver {
$sql .= ($this->ar_order == 'desc') ? ' DESC' : ' ASC';
}
}
+
+ // ----------------------------------------------------------------
+
+ // Write the "LIMIT" portion of the query
if (is_numeric($this->ar_limit))
{
@@ -1569,7 +1592,6 @@ class CI_DB_active_record extends CI_DB_driver {
{
// There are some built in keys we need to ignore for this conversion
if ( ! is_object($val) && ! is_array($val) && $key != '_parent_name' && $key != '_ci_scaffolding' && $key != '_ci_scaff_table')
-
{
$array[$key] = $val;
}
@@ -1608,7 +1630,6 @@ class CI_DB_active_record extends CI_DB_driver {
$this->ar_caching = FALSE;
}
-
// --------------------------------------------------------------------
/**
@@ -1622,16 +1643,16 @@ class CI_DB_active_record extends CI_DB_driver {
function flush_cache()
{
$ar_reset_items = 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_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()
+ );
$this->_reset_run($ar_reset_items);
}
@@ -1649,6 +1670,11 @@ class CI_DB_active_record extends CI_DB_driver {
*/
function _merge_cache()
{
+ if ($this->ar_caching == FALSE)
+ {
+ return;
+ }
+
$ar_items = array('select', 'from', 'join', 'where', 'like', 'groupby', 'having', 'orderby', 'set');
foreach ($ar_items as $ar_item)
@@ -1657,6 +1683,13 @@ class CI_DB_active_record extends CI_DB_driver {
$ar_item = 'ar_'.$ar_item;
$this->$ar_item = array_unique(array_merge($this->$ar_item, $this->$ar_cache_item));
}
+
+ // 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)
+ {
+ $this->_track_aliases($this->ar_from);
+ }
}
// --------------------------------------------------------------------
@@ -1678,7 +1711,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
}
}
-
+
// --------------------------------------------------------------------
/**
@@ -1690,21 +1723,21 @@ class CI_DB_active_record extends CI_DB_driver {
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_distinct' => FALSE,
+ 'ar_limit' => FALSE,
+ 'ar_offset' => FALSE,
+ 'ar_order' => FALSE,
+ );
$this->_reset_run($ar_reset_items);
}
@@ -1722,14 +1755,14 @@ class CI_DB_active_record extends CI_DB_driver {
function _reset_write()
{
$ar_reset_items = array(
- 'ar_set' => array(),
- 'ar_from' => array(),
- 'ar_where' => array(),
- 'ar_like' => array(),
- 'ar_orderby' => array(),
- 'ar_limit' => FALSE,
- 'ar_order' => FALSE
- );
+ 'ar_set' => array(),
+ 'ar_from' => array(),
+ 'ar_where' => array(),
+ 'ar_like' => array(),
+ 'ar_orderby' => array(),
+ 'ar_limit' => FALSE,
+ 'ar_order' => FALSE
+ );
$this->_reset_run($ar_reset_items);
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-02 20:39:29 +0100