Пример #1
0
def run(query, frum=Null):
    """
    THIS FUNCTION IS SIMPLY SWITCHING BASED ON THE query["from"] CONTAINER,
    BUT IT IS ALSO PROCESSING A list CONTAINER; SEPARATE TO A ListContainer
    """
    if frum == None:
        query_op = QueryOp.wrap(query)
        frum = query_op.frum
    else:
        query_op = QueryOp.wrap(query, frum.schema)

    if isinstance(frum, Container):
        return frum.query(query_op)
    elif isinstance(frum, (list, set, GeneratorType)):
        frum = wrap(list(frum))
    elif isinstance(frum, Cube):
        if is_aggs(query_op):
            return cube_aggs(frum, query_op)

    elif isinstance(frum, QueryOp):
        frum = run(frum)
    else:
        Log.error("Do not know how to handle {{type}}",
                  type=frum.__class__.__name__)

    if is_aggs(query_op):
        frum = list_aggs(frum, query_op)
    else:  # SETOP
        # try:
        #     if query.filter != None or query.esfilter != None:
        #         Log.error("use 'where' clause")
        # except AttributeError:
        #     pass

        if query_op.where is not TRUE_FILTER:
            frum = filter(frum, query_op.where)

        if query_op.sort:
            frum = sort(frum, query_op.sort, already_normalized=True)

        if query_op.select:
            frum = select(frum, query_op.select)

    if query_op.window:
        if isinstance(frum, Cube):
            frum = list(frum.values())

        for param in query_op.window:
            window(frum, param)

    # AT THIS POINT frum IS IN LIST FORMAT, NOW PACKAGE RESULT
    if query_op.format == "cube":
        frum = convert.list2cube(frum)
    elif query_op.format == "table":
        frum = convert.list2table(frum)
        frum.meta.format = "table"
    else:
        frum = wrap({"meta": {"format": "list"}, "data": frum})

    return frum
Пример #2
0
def run(query, frum=None):
    """
    THIS FUNCTION IS SIMPLY SWITCHING BASED ON THE query["from"] CONTAINER,
    BUT IT IS ALSO PROCESSING A list CONTAINER; SEPARATE TO A ListContainer
    """
    query = QueryOp.wrap(query, frum.schema)
    frum = coalesce(frum, query["from"])
    if isinstance(frum, Container):
        return frum.query(query)
    elif isinstance(frum, (list, set, GeneratorType)):
        frum = wrap(list(frum))
    elif isinstance(frum, Cube):
        if is_aggs(query):
            return cube_aggs(frum, query)

    elif isinstance(frum, QueryOp):
        frum = run(frum)
    else:
        Log.error("Do not know how to handle {{type}}",  type=frum.__class__.__name__)

    if is_aggs(query):
        frum = list_aggs(frum, query)
    else:  # SETOP
        # try:
        #     if query.filter != None or query.esfilter != None:
        #         Log.error("use 'where' clause")
        # except AttributeError:
        #     pass

        if query.where is not TRUE_FILTER:
            frum = filter(frum, query.where)

        if query.sort:
            frum = sort(frum, query.sort, already_normalized=True)

        if query.select:
            frum = select(frum, query.select)

    if query.window:
        if isinstance(frum, Cube):
            frum = list(frum.values())

        for param in query.window:
            window(frum, param)

    # AT THIS POINT frum IS IN LIST FORMAT, NOW PACKAGE RESULT
    if query.format == "cube":
        frum = convert.list2cube(frum)
    elif query.format == "table":
        frum = convert.list2table(frum)
        frum.meta.format = "table"
    else:
        frum = wrap({
            "meta": {"format": "list"},
            "data": frum
        })

    return frum
Пример #3
0
    def query(self, q):
        frum = self
        if is_aggs(q):
            return cube_aggs(frum, q)

        columns = wrap({s.name: s for s in self.select + self.edges})

        # DEFER TO ListContainer
        from pyLibrary.queries.containers.list_usingPythonList import ListContainer

        frum = ListContainer(name="", data=frum.values(), schema=columns)
        return frum.query(q)
Пример #4
0
    def query(self, q):
        frum = self
        if is_aggs(q):
            return cube_aggs(frum, q)

        columns = wrap({s.name: s for s in self.select + self.edges})

        # DEFER TO ListContainer
        from pyLibrary.queries.containers.list_usingPythonList import ListContainer

        frum = ListContainer(name="", data=frum.values(), schema=columns)
        return frum.query(q)
Пример #5
0
def run(query):
    """
    THIS FUNCTION IS SIMPLY SWITCHING BASED ON THE query["from"] CONTAINER,
    BUT IT IS ALSO PROCESSING A list CONTAINER; SEPARATE TO A ListContainer
    """
    query = Query(query)
    frum = query["from"]
    if isinstance(frum, Container):
        with frum:
            return frum.query(query)
    elif isinstance(frum, (list, set, GeneratorType)):
        frum = wrap(list(frum))
    elif isinstance(frum, Cube):
        if is_aggs(query):
            return cube_aggs(frum, query)

    elif isinstance(frum, Query):
        frum = run(frum).data
    else:
        Log.error("Do not know how to handle {{type}}",
                  type=frum.__class__.__name__)

    if is_aggs(query):
        frum = list_aggs(frum, query)
    else:  # SETOP
        try:
            if query.filter != None or query.esfilter != None:
                Log.error("use 'where' clause")
        except AttributeError, e:
            pass

        if query.where is not TRUE_FILTER:
            frum = filter(frum, query.where)

        if query.sort:
            frum = sort(frum, query.sort)

        if query.select:
            frum = select(frum, query.select)