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-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php18
-rw-r--r--system/database/drivers/postgre/postgre_driver.php17
2 files changed, 35 insertions, 0 deletions
diff --git a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
index 45165213f..41b50f0d6 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php
@@ -353,6 +353,24 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver {
return $this;
}
+ // --------------------------------------------------------------------
+
+ /**
+ * Is literal
+ *
+ * Determines if a string represents a literal value or a field name
+ *
+ * @param string $str
+ * @return bool
+ */
+ protected function _is_literal($str)
+ {
+ $str = trim($str);
+
+ return (empty($str) OR ctype_digit($str) OR $str[0] === "'" OR in_array($str, array('TRUE', 'FALSE'), TRUE));
+ }
+
+
}
/* End of file pdo_pgsql_driver.php */
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index a52777b1e..c2bc4d9ad 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -674,6 +674,23 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
+ * Is literal
+ *
+ * Determines if a string represents a literal value or a field name
+ *
+ * @param string $str
+ * @return bool
+ */
+ protected function _is_literal($str)
+ {
+ $str = trim($str);
+
+ return (empty($str) OR ctype_digit($str) OR $str[0] === "'" OR in_array($str, array('TRUE', 'FALSE'), TRUE));
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Close DB Connection
*
* @return void