diff options
Diffstat (limited to 'system/database/DB_driver.php')
| -rw-r--r-- | system/database/DB_driver.php | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index 425657e17..f066b58de 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -624,7 +624,14 @@ abstract class CI_DB_driver { // if transactions are enabled. If we don't call this here // the error message will trigger an exit, causing the // transactions to remain in limbo. - $this->_trans_depth > 0 && $this->trans_complete(); + if ($this->_trans_depth !== 0) + { + do + { + $this->trans_complete(); + } + while ($this->_trans_depth !== 0); + } // Display errors return $this->display_error(array('Error Number: '.$error['code'], $error['message'], $sql)); @@ -917,7 +924,7 @@ abstract class CI_DB_driver { */ public function is_write_type($sql) { - return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|REINDEX)\s+/i', $sql); + return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|REINDEX)\s/i', $sql); } // -------------------------------------------------------------------- @@ -1135,7 +1142,7 @@ abstract class CI_DB_driver { else { /* We have no other choice but to just get the first element's key. - * Due to array_shift() accepting it's argument by reference, if + * Due to array_shift() accepting its argument by reference, if * E_STRICT is on, this would trigger a warning. So we'll have to * assign it first. */ @@ -1375,7 +1382,9 @@ abstract class CI_DB_driver { $fields[$this->protect_identifiers($key)] = $this->escape($val); } - return $this->_update($this->protect_identifiers($table, TRUE, NULL, FALSE), $fields); + $sql = $this->_update($this->protect_identifiers($table, TRUE, NULL, FALSE), $fields); + $this->_reset_write(); + return $sql; } // -------------------------------------------------------------------- @@ -1412,7 +1421,7 @@ abstract class CI_DB_driver { */ protected function _has_operator($str) { - return (bool) preg_match('/(<|>|!|=|\sIS NULL|\sIS NOT NULL|\sBETWEEN|\sLIKE|\sIN\s*\(|\s)/i', trim($str)); + return (bool) preg_match('/(<|>|!|=|\sIS NULL|\sIS NOT NULL|\sEXISTS|\sBETWEEN|\sLIKE|\sIN\s*\(|\s)/i', trim($str)); } // -------------------------------------------------------------------- @@ -1438,6 +1447,8 @@ abstract class CI_DB_driver { '\s*>\s*', // > '\s+IS NULL', // IS NULL '\s+IS NOT NULL', // IS NOT NULL + '\s+EXISTS\s*\([^\)]+\)', // EXISTS(sql) + '\s+NOT EXISTS\s*\([^\)]+\)', // NOT EXISTS(sql) '\s+BETWEEN\s+\S+\s+AND\s+\S+', // BETWEEN value AND value '\s+IN\s*\([^\)]+\)', // IN(list) '\s+NOT IN\s*\([^\)]+\)', // NOT IN (list) @@ -1474,7 +1485,7 @@ abstract class CI_DB_driver { } return (func_num_args() > 1) - ? call_user_func_array($function, array_splice(func_get_args(), 1)) + ? call_user_func_array($function, array_slice(func_get_args(), 1)) : call_user_func($function); } |