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authorDerek Jones <derek.jones@ellislab.com>2009-02-20 22:44:59 +0100
committerDerek Jones <derek.jones@ellislab.com>2009-02-20 22:44:59 +0100
commite4ed583067095144eb20aefc61d4499d8386532a (patch)
treeb156a0305e5c1e84466bcb0ca84787b234be3cfd /system/database/drivers/odbc
parent436e6e2583c574a4628984c4a95c5d3da5fcce1f (diff)
added LIKE condition escaping to all drivers and Active Record
updated all DB drivers to accept arrays in escape_str()
Diffstat (limited to 'system/database/drivers/odbc')
-rw-r--r--system/database/drivers/odbc/odbc_driver.php33
1 files changed, 29 insertions, 4 deletions
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 0f8b42007..a14aaa1f3 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -34,7 +34,11 @@ class CI_DB_odbc_driver extends CI_DB {
// the character used to excape - not necessary for ODBC
var $_escape_char = '';
-
+
+ // clause and character used for LIKE escape sequences
+ var $_like_escape_str = " {escape '%s'} ";
+ var $_like_escape_chr = '!';
+
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
@@ -237,15 +241,36 @@ class CI_DB_odbc_driver extends CI_DB {
*
* @access public
* @param string
+ * @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str)
+ function escape_str($str, $like = FALSE)
{
+ if (is_array($str))
+ {
+ foreach($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val, $like);
+ }
+
+ return $str;
+ }
+
// Access the CI object
$CI =& get_instance();
-
+
// ODBC doesn't require escaping
- return $CI->_remove_invisible_characters($str);
+ $str = $CI->input->_remove_invisible_characters($str);
+
+ // escape LIKE condition wildcards
+ if ($like === TRUE)
+ {
+ $str = str_replace( array('%', '_', $this->_like_escape_chr),
+ array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
+ $str);
+ }
+
+ return $str;
}
// --------------------------------------------------------------------