Renamed _escape_identifiers() to escape_identifiers() and moved it to CI_DB_driver
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index dea7050..8b030af 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -901,6 +901,43 @@
// --------------------------------------------------------------------
/**
+ * Escape the SQL Identifiers
+ *
+ * This function escapes column and table names
+ *
+ * @param string
+ * @return string
+ */
+ public function escape_identifiers($item)
+ {
+ if ($this->_escape_char == '')
+ {
+ return $item;
+ }
+
+ foreach ($this->_reserved_identifiers as $id)
+ {
+ if (strpos($item, '.'.$id) !== FALSE)
+ {
+ $item = str_replace('.', $this->_escape_char.'.', $item);
+
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item);
+ }
+ }
+
+ if (strpos($item, '.') !== FALSE)
+ {
+ $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item);
+ }
+
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Generate an insert string
*
* @param string the table upon which the query will be performed
@@ -913,7 +950,7 @@
foreach ($data as $key => $val)
{
- $fields[] = $this->_escape_identifiers($key);
+ $fields[] = $this->escape_identifiers($key);
$values[] = $this->escape($val);
}
@@ -1254,7 +1291,7 @@
{
if ( ! in_array($val, $this->_reserved_identifiers))
{
- $parts[$key] = $this->_escape_identifiers($val);
+ $parts[$key] = $this->escape_identifiers($val);
}
}
@@ -1311,7 +1348,7 @@
if ($protect_identifiers === TRUE)
{
- $item = $this->_escape_identifiers($item);
+ $item = $this->escape_identifiers($item);
}
return $item.$alias;
@@ -1334,7 +1371,7 @@
if ($protect_identifiers === TRUE && ! in_array($item, $this->_reserved_identifiers))
{
- $item = $this->_escape_identifiers($item);
+ $item = $this->escape_identifiers($item);
}
return $item.$alias;