diff options
Diffstat (limited to 'system/database/drivers/sqlite3/sqlite3_driver.php')
-rw-r--r-- | system/database/drivers/sqlite3/sqlite3_driver.php | 60 |
1 files changed, 25 insertions, 35 deletions
diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php index fdbe94939..73e453785 100644 --- a/system/database/drivers/sqlite3/sqlite3_driver.php +++ b/system/database/drivers/sqlite3/sqlite3_driver.php @@ -134,22 +134,10 @@ class CI_DB_sqlite3_driver extends CI_DB { /** * Begin Transaction * - * @param bool $test_mode * @return bool */ - public function trans_begin($test_mode = FALSE) + protected function _trans_begin() { - // When transactions are nested we only begin/commit/rollback the outermost ones - if ( ! $this->trans_enabled OR $this->_trans_depth > 0) - { - return TRUE; - } - - // Reset the transaction failure flag. - // If the $test_mode flag is set to TRUE transactions will be rolled back - // even if the queries produce a successful result. - $this->_trans_failure = ($test_mode === TRUE); - return $this->conn_id->exec('BEGIN TRANSACTION'); } @@ -160,14 +148,8 @@ class CI_DB_sqlite3_driver extends CI_DB { * * @return bool */ - public function trans_commit() + protected function _trans_commit() { - // When transactions are nested we only begin/commit/rollback the outermost ones - if ( ! $this->trans_enabled OR $this->_trans_depth > 0) - { - return TRUE; - } - return $this->conn_id->exec('END TRANSACTION'); } @@ -178,14 +160,8 @@ class CI_DB_sqlite3_driver extends CI_DB { * * @return bool */ - public function trans_rollback() + protected function _trans_rollback() { - // When transactions are nested we only begin/commit/rollback the outermost ones - if ( ! $this->trans_enabled OR $this->_trans_depth > 0) - { - return TRUE; - } - return $this->conn_id->exec('ROLLBACK'); } @@ -247,17 +223,31 @@ class CI_DB_sqlite3_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Show column query + * Fetch Field Names * - * Generates a platform-specific query string so that the column names can be fetched - * - * @param string $table - * @return string + * @param string $table Table name + * @return array */ - protected function _list_columns($table = '') + public function list_fields($table) { - // Not supported - return FALSE; + // Is there a cached result? + if (isset($this->data_cache['field_names'][$table])) + { + return $this->data_cache['field_names'][$table]; + } + + if (($result = $this->query('PRAGMA TABLE_INFO('.$this->protect_identifiers($table, TRUE, NULL, FALSE).')')) === FALSE) + { + return FALSE; + } + + $this->data_cache['field_names'][$table] = array(); + foreach ($result->result_array() as $row) + { + $this->data_cache['field_names'][$table][] = $row['name']; + } + + return $this->data_cache['field_names'][$table]; } // -------------------------------------------------------------------- |