parser.py 文件源码

def __init__(self, sql: str, initial_offset: int) -> None:
        self._initial_offset = initial_offset
        self._tokens = []  # type: Tuple[sqlparse.sql.Token, int]
        depth = 0
        for statement in sqlparse.parse(sql):
            for token in statement.tokens:
                if token.is_group:
                    self._tokens.extend(_flatten_group(token, depth))
                else:
                    self._tokens.append((token, depth))