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Diffstat (limited to 'system/database/drivers/postgre/postgre_driver.php')
| -rw-r--r-- | system/database/drivers/postgre/postgre_driver.php | 17 |
1 files changed, 17 insertions, 0 deletions
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 |