interpreter.py 文件源码

def interpret(query):
    query_dict = Parser().parse(query)

    if query_dict["columns"] == "*":
        columns = list(PROPERTIES)
    else:
        columns = query_dict["columns"]

    result_set = []

    if "processes" in query_dict["tables"]:
        result_set = _select_processes_infos(columns)
    else:
        raise Exception("Table not found")

    if "order by" in query_dict:
        column_idx = columns.index(query_dict["order by"])
        result_set = sorted(result_set, key=lambda x: x[column_idx])

    return columns, result_set