示例#1
0
def get_decoders_by_depth(query):
    """
    RETURN A LIST OF DECODER ARRAYS, ONE ARRAY FOR EACH NESTED DEPTH
    """
    schema = query.frum
    output = DictList()
    for e in coalesce(query.edges, query.groupby, []):
        if e.value:
            e = e.copy()
            e.value = qb_expression(e.value)
            vars_ = e.value.vars()

            for v in vars_:
                if not schema[v]:
                    Log.error("{{var}} does not exist in schema", var=v)

            e.value = e.value.map({schema[v].name: schema[v].abs_name for v in vars_})
        else:
            vars_ = e.domain.dimension.fields
            e.domain.dimension = e.domain.dimension.copy()
            e.domain.dimension.fields = [schema[v].abs_name for v in vars_]

        depths = set(len(listwrap(schema[v].nested_path)) for v in vars_)
        if len(depths) > 1:
            Log.error("expression {{expr}} spans tables, can not handle", expr=e.value)
        depth = list(depths)[0]
        while len(output) <= depth:
            output.append([])
        output[depth].append(AggsDecoder(e, query))
    return output
示例#2
0
def es_setop(es, query):
    es_query, filters = es14.util.es_query_template(query.frum.name)
    set_default(filters[0], simplify_esfilter(qb_expression(query.where).to_esfilter()))
    es_query.size = coalesce(query.limit, queries.query.DEFAULT_LIMIT)
    es_query.sort = qb_sort_to_es_sort(query.sort)
    es_query.fields = DictList()

    return extract_rows(es, es_query, query)
示例#3
0
    def where(self, where):
        if isinstance(where, Mapping):
            temp = None
            exec("def temp(row):\n    return "+qb_expression(where).to_python())
        else:
            temp = where

        return ListContainer("from "+self.name, filter(temp, self.data), self.schema)
示例#4
0
    def update(self, command):
        """
        EXPECTING command == {"set":term, "where":where}
        THE set CLAUSE IS A DICT MAPPING NAMES TO VALUES
        THE where CLAUSE IS AN ES FILTER
        """
        command = wrap(command)
        schema = self._es.get_schema()

        # GET IDS OF DOCUMENTS
        results = self._es.search({
            "fields": listwrap(schema._routing.path),
            "query": {"filtered": {
                "query": {"match_all": {}},
                "filter": _normalize_where(qb_expression(command.where).to_esfilter(), self)
            }},
            "size": 200000
        })

        # SCRIPT IS SAME FOR ALL (CAN ONLY HANDLE ASSIGNMENT TO CONSTANT)
        scripts = DictList()
        for k, v in command.set.items():
            if not is_keyword(k):
                Log.error("Only support simple paths for now")
            if isinstance(v, Mapping) and v.doc:
                scripts.append({"doc": v.doc})
            else:
                scripts.append({"script": "ctx._source." + k + " = " + qb_expression(v).to_ruby()})

        if results.hits.hits:
            updates = []
            for h in results.hits.hits:
                for s in scripts:
                    updates.append({"update": {"_id": h._id, "_routing": unwraplist(h.fields[literal_field(schema._routing.path)])}})
                    updates.append(s)
            content = ("\n".join(convert.value2json(c) for c in updates) + "\n").encode('utf-8')
            response = self._es.cluster.post(
                self._es.path + "/_bulk",
                data=content,
                headers={"Content-Type": "application/json"}
            )
            if response.errors:
                Log.error("could not update: {{error}}", error=[e.error for i in response["items"] for e in i.values() if e.status not in (200, 201)])
示例#5
0
def es_fieldop(es, query):
    FromES = es09.util.build_es_query(query)
    select = listwrap(query.select)
    FromES.query = {
        "filtered": {
            "query": {
                "match_all": {}
            },
            "filter": simplify_esfilter(qb_expression(query.where).to_esfilter())
        }
    }
    FromES.size = coalesce(query.limit, 200000)
    FromES.fields = DictList()
    for s in select.value:
        if s == "*":
            FromES.fields = None
        elif isinstance(s, list):
            FromES.fields.extend(s)
        elif isinstance(s, Mapping):
            FromES.fields.extend(s.values())
        else:
            FromES.fields.append(s)
    FromES.sort = [{s.field: "asc" if s.sort >= 0 else "desc"} for s in query.sort]

    data = es09.util.post(es, FromES, query.limit)

    T = data.hits.hits
    matricies = {}
    for s in select:
        if s.value == "*":
            matricies[s.name] = Matrix.wrap([t._source for t in T])
        elif isinstance(s.value, Mapping):
            # for k, v in s.value.items():
            #     matricies[join_field(split_field(s.name)+[k])] = Matrix.wrap([unwrap(t.fields)[v] for t in T])
            matricies[s.name] = Matrix.wrap([{k: unwrap(t.fields).get(v, None) for k, v in s.value.items()}for t in T])
        elif isinstance(s.value, list):
            matricies[s.name] = Matrix.wrap([tuple(unwrap(t.fields).get(ss, None) for ss in s.value) for t in T])
        elif not s.value:
            matricies[s.name] = Matrix.wrap([unwrap(t.fields).get(s.value, None) for t in T])
        else:
            try:
                matricies[s.name] = Matrix.wrap([unwrap(t.fields).get(s.value, None) for t in T])
            except Exception, e:
                Log.error("", e)
示例#6
0
def es_deepop(es, mvel, query):
    FromES = es09.util.build_es_query(query)

    select = query.edges

    temp_query = query.copy()
    temp_query.select = select
    temp_query.edges = DictList()
    FromES.facets.mvel = {
        "terms": {
            "script_field": mvel.code(temp_query),
            "size": query.limit
        },
        "facet_filter": simplify_esfilter(qb_expression(query.where).to_esfilter())
    }

    data = es09.util.post(es, FromES, query.limit)

    rows = unpack_terms(data.facets.mvel, query.edges)
    terms = zip(*rows)

    # NUMBER ALL EDGES FOR Qb INDEXING
    edges = query.edges
    for f, e in enumerate(edges):
        for r in terms[f]:
            e.domain.getPartByKey(r)

        e.index = f
        for p, part in enumerate(e.domain.partitions):
            part.dataIndex = p
        e.domain.NULL.dataIndex = len(e.domain.partitions)

    # MAKE CUBE
    dims = [len(e.domain.partitions) for e in query.edges]
    output = Matrix(*dims)

    # FILL CUBE
    for r in rows:
        term_coord = [e.domain.getPartByKey(r[i]).dataIndex for i, e in enumerate(edges)]
        output[term_coord] = SUM(output[term_coord], r[-1])

    cube = Cube(query.select, query.edges, {query.select.name: output})
    cube.frum = query
    return cube
示例#7
0
    def update(self, command):
        """
        EXPECTING command == {"set":term, "clear":term, "where":where}
        THE set CLAUSE IS A DICT MAPPING NAMES TO VALUES
        THE where CLAUSE IS A QB FILTER
        """
        command = wrap(command)
        if command.where == None:
            filter_ = lambda: True
        else:
            filter_ = _exec("temp = lambda row: " + qb_expression(command.where).to_python())


        for c in self.data:
            if filter_(c):
                for k in listwrap(command["clear"]):
                    c[k] = None
                for k, v in command.set.items():
                    c[k] = v
示例#8
0
def es_deepop(es, query):
    columns = query.frum.get_columns()
    query_path = query.frum.query_path
    columns = UniqueIndex(keys=["name"], data=sorted(columns, lambda a, b: cmp(len(listwrap(b.nested_path)), len(listwrap(a.nested_path)))), fail_on_dup=False)
    map_ = {c.name: c.abs_name for c in columns}
    map_to_local = {
        c.name: "_inner" + c.abs_name[len(listwrap(c.nested_path)[0]):] if c.nested_path else "fields." + literal_field(c.abs_name)
        for c in columns
    }
    # TODO: FIX THE GREAT SADNESS CAUSED BY EXECUTING post_expressions
    # THE EXPRESSIONS SHOULD BE PUSHED TO THE CONTAINER:  ES ALLOWS
    # {"inner_hit":{"script_fields":[{"script":""}...]}}, BUT THEN YOU
    # LOOSE "_source" BUT GAIN "fields", FORCING ALL FIELDS TO BE EXPLICIT
    post_expressions = {}
    es_query, es_filters = es14.util.es_query_template(query.frum.name)

    # SPLIT WHERE CLAUSE BY DEPTH
    wheres = split_expression_by_depth(qb_expression(query.where), query.frum, map_)
    for i, f in enumerate(es_filters):
        # PROBLEM IS {"match_all": {}} DOES NOT SURVIVE set_default()
        for k, v in unwrap(simplify_esfilter(AndOp("and", wheres[i]).to_esfilter())).items():
            f[k] = v


    if not wheres[1]:
        more_filter = {
            "and": [
                simplify_esfilter(AndOp("and", wheres[0]).to_esfilter()),
                {"not": {
                    "nested": {
                        "path": query_path,
                        "filter": {
                            "match_all": {}
                        }
                    }
                }}
            ]
        }
    else:
        more_filter = None

    es_query.size = coalesce(query.limit, queries.query.DEFAULT_LIMIT)
    es_query.sort = qb_sort_to_es_sort(query.sort)
    es_query.fields = []

    is_list = isinstance(query.select, list)
    new_select = DictList()

    def get_pull(column):
        if column.nested_path:
            return "_inner" + column.abs_name[len(listwrap(column.nested_path)[0]):]
        else:
            return "fields." + literal_field(column.abs_name)

    i = 0
    for s in listwrap(query.select):
        if s.value == "*":
            # IF THERE IS A *, THEN INSERT THE EXTRA COLUMNS
            for c in columns:
                if c.relative and c.type not in ["nested", "object"]:
                    if not c.nested_path:
                        es_query.fields += [c.abs_name]
                    new_select.append({
                        "name": c.name,
                        "pull": get_pull(c),
                        "nested_path": listwrap(c.nested_path)[0],
                        "put": {"name": c.name, "index": i, "child": "."}
                    })
                    i += 1

            # REMOVE DOTS IN PREFIX IF NAME NOT AMBIGUOUS
            col_names = [c.name for c in columns if c.relative]
            for n in new_select:
                if n.name.startswith("..") and n.name.lstrip(".") not in col_names:
                    n.name = n.put.name = n.name.lstrip(".")
        elif s.value == ".":
            for c in columns:
                if c.relative and c.type not in ["nested", "object"]:
                    if not c.nested_path:
                        es_query.fields += [c.abs_name]
                    new_select.append({
                        "name": c.name,
                        "pull": get_pull(c),
                        "nested_path": listwrap(c.nested_path)[0],
                        "put": {"name": ".", "index": i, "child": c.abs_name}
                    })
            i += 1
        elif s.value == "_id":
            new_select.append({
                "name": s.name,
                "value": s.value,
                "pull": "_id",
                "put": {"name": s.name, "index": i, "child": "."}
            })
            i += 1
        elif isinstance(s.value, basestring) and s.value.endswith(".*") and is_keyword(s.value[:-2]):
            parent = s.value[:-1]
            prefix = len(parent)
            for c in columns:
                if c.name.startswith(parent) and c.type not in ["object", "nested"]:
                    pull = get_pull(c)
                    if len(listwrap(c.nested_path)) == 0:
                        es_query.fields += [c.abs_name]

                    new_select.append({
                        "name": s.name + "." + c.name[prefix:],
                        "pull": pull,
                        "nested_path": listwrap(c.nested_path)[0],
                        "put": {"name": s.name + "." + literal_field(c.name[prefix:]), "index": i, "child": "."}
                    })
                    i += 1
        elif isinstance(s.value, basestring) and is_keyword(s.value):
            parent = s.value + "."
            prefix = len(parent)
            net_columns = [c for c in columns if c.name.startswith(parent) and c.type not in ["object", "nested"]]
            if not net_columns:
                c = columns[(s.value,)]
                pull = get_pull(c)
                if not c.nested_path:
                    es_query.fields += [s.value]
                new_select.append({
                    "name": s.name,
                    "pull": pull,
                    "nested_path": listwrap(c.nested_path)[0],
                    "put": {"name": s.name, "index": i, "child": "."}
                })
            else:
                for n in net_columns:
                    pull = get_pull(n)
                    if not n.nested_path:
                        es_query.fields += [n.abs_name]
                    new_select.append({
                        "name": s.name,
                        "pull": pull,
                        "nested_path": listwrap(n.nested_path)[0],
                        "put": {"name": s.name, "index": i, "child": n.name[prefix:]}
                    })
            i += 1
        else:
            expr = qb_expression(s.value)
            for v in expr.vars():
                for n in columns:
                    if n.name==v:
                        if not n.nested_path:
                            es_query.fields += [n.abs_name]

            pull = EXPRESSION_PREFIX + s.name
            post_expressions[pull] = compile_expression(expr.map(map_to_local).to_python())


            new_select.append({
                "name": s.name if is_list else ".",
                "pull": pull,
                "value": expr.to_dict(),
                "put": {"name": s.name, "index": i, "child": "."}
            })
            i += 1

    # <COMPLICATED> ES needs two calls to get all documents
    more = []
    def get_more(please_stop):
        more.append(es09.util.post(
            es,
            Dict(
                filter=more_filter,
                fields=es_query.fields
            ),
            query.limit
        ))
    if more_filter:
        need_more = Thread.run("get more", target=get_more)

    with Timer("call to ES") as call_timer:
        data = es09.util.post(es, es_query, query.limit)

    # EACH A HIT IS RETURNED MULTIPLE TIMES FOR EACH INNER HIT, WITH INNER HIT INCLUDED
    def inners():
        for t in data.hits.hits:
            for i in t.inner_hits[literal_field(query_path)].hits.hits:
                t._inner = i._source
                for k, e in post_expressions.items():
                    t[k] = e(t)
                yield t
        if more_filter:
            Thread.join(need_more)
            for t in more[0].hits.hits:
                yield t
    #</COMPLICATED>

    try:
        formatter, groupby_formatter, mime_type = format_dispatch[query.format]

        output = formatter(inners(), new_select, query)
        output.meta.es_response_time = call_timer.duration
        output.meta.content_type = mime_type
        output.meta.es_query = es_query
        return output
    except Exception, e:
        Log.error("problem formatting", e)
示例#9
0
def es_setop(es, mvel, query):
    FromES = es09.util.build_es_query(query)
    select = listwrap(query.select)

    isDeep = len(split_field(query.frum.name)) > 1  # LOOKING INTO NESTED WILL REQUIRE A SCRIPT
    isComplex = OR([s.value == None and s.aggregate not in ("count", "none") for s in select])   # CONVERTING esfilter DEFINED PARTS WILL REQUIRE SCRIPT

    if not isDeep and not isComplex:
        if len(select) == 1 and not select[0].value or select[0].value == "*":
            FromES = wrap({
                "query": {"filtered": {
                    "query": {"match_all": {}},
                    "filter": simplify_esfilter(qb_expression(query.where).to_esfilter())
                }},
                "sort": query.sort,
                "size": 1
            })
        elif all(map(is_keyword, select.value)):
            FromES = wrap({
                "query": {"filtered": {
                    "query": {"match_all": {}},
                    "filter": simplify_esfilter(qb_expression(query.where).to_esfilter())
                }},
                "fields": select.value,
                "sort": query.sort,
                "size": coalesce(query.limit, 200000)
            })
    elif not isDeep:
        simple_query = query.copy()
        simple_query.where = TRUE_FILTER  # THE FACET FILTER IS FASTER
        FromES.facets.mvel = {
            "terms": {
                "script_field": mvel.code(simple_query),
                "size": coalesce(simple_query.limit, 200000)
            },
            "facet_filter": simplify_esfilter(qb_expression(query.where).to_esfilter())
        }
    else:
        FromES.facets.mvel = {
            "terms": {
                "script_field": mvel.code(query),
                "size": coalesce(query.limit, 200000)
            },
            "facet_filter": simplify_esfilter(qb_expression(query.where).to_esfilter())
        }

    data = es09.util.post(es, FromES, query.limit)

    if len(select) == 1 and  not select[0].value or select[0].value == "*":
        # SPECIAL CASE FOR SINGLE COUNT
        cube = wrap(data).hits.hits._source
    elif all(map(is_keyword, select[0].value)):
        # SPECIAL CASE FOR SINGLE TERM
        cube = wrap(data).hits.hits.fields
    else:
        data_list = unpack_terms(data.facets.mvel, select)
        if not data_list:
            cube = Cube(select, [], {s.name: Matrix.wrap([]) for s in select})
        else:
            output = zip(*data_list)
            cube = Cube(select, [], {s.name: Matrix(list=output[i]) for i, s in enumerate(select)})

    return Dict(
        meta={"esquery": FromES},
        data=cube
    )
示例#10
0
def extract_rows(es, es_query, query):
    is_list = isinstance(query.select, list)
    select = wrap([s.copy() for s in listwrap(query.select)])
    new_select = DictList()
    column_names = set(c.name for c in query.frum.get_columns() if c.type not in ["object"] and (not c.nested_path or c.abs_name == c.nested_path or not c.nested_path))
    source = "fields"

    i = 0
    for s in select:
        # IF THERE IS A *, THEN INSERT THE EXTRA COLUMNS
        if s.value == "*":
            es_query.fields = None
            source = "_source"

            net_columns = column_names - set(select.name)
            for n in net_columns:
                new_select.append({
                    "name": n,
                    "value": n,
                    "put": {"name": n, "index": i, "child": "."}
                })
                i += 1
        elif s.value == ".":
            es_query.fields = None
            source = "_source"

            new_select.append({
                "name": s.name,
                "value": s.value,
                "put": {"name": s.name, "index": i, "child": "."}
            })
            i += 1
        elif s.value == "_id":
            new_select.append({
                "name": s.name,
                "value": s.value,
                "pull": "_id",
                "put": {"name": s.name, "index": i, "child": "."}
            })
            i += 1
        elif isinstance(s.value, basestring) and s.value.endswith(".*") and is_keyword(s.value[:-2]):
            parent = s.value[:-1]
            prefix = len(parent)
            for c in column_names:
                if c.startswith(parent):
                    if es_query.fields is not None:
                        es_query.fields.append(c)

                    new_select.append({
                        "name": s.name + "." + c[prefix:],
                        "value": c,
                        "put": {"name": s.name + "." + c[prefix:], "index": i, "child": "."}
                    })
                    i += 1
        elif isinstance(s.value, basestring) and is_keyword(s.value):
            parent = s.value + "."
            prefix = len(parent)
            net_columns = [c for c in column_names if c.startswith(parent)]
            if not net_columns:
                if es_query.fields is not None:
                    es_query.fields.append(s.value)
                new_select.append({
                    "name": s.name,
                    "value": s.value,
                    "put": {"name": s.name, "index": i, "child": "."}
                })
            else:
                for n in net_columns:
                    if es_query.fields is not None:
                        es_query.fields.append(n)
                    new_select.append({
                        "name": s.name,
                        "value": n,
                        "put": {"name": s.name, "index": i, "child": n[prefix:]}
                    })
            i += 1
        elif isinstance(s.value, list):
            Log.error("need an example")
            if es_query.fields is not None:
                es_query.fields.extend([v for v in s.value])
        else:
            es_query.script_fields[literal_field(s.name)] = {"script": qb_expression(s.value).to_ruby()}
            new_select.append({
                "name": s.name,
                "pull": "fields." + literal_field(s.name),
                "put": {"name": s.name, "index": i, "child": "."}
            })
            i += 1

    for n in new_select:
        if n.pull:
            continue
        if source == "_source":
            n.pull = join_field(["_source"] + split_field(n.value))
        else:
            n.pull = "fields." + literal_field(n.value)

    with Timer("call to ES") as call_timer:
        data = es09.util.post(es, es_query, query.limit)

    T = data.hits.hits

    try:
        formatter, groupby_formatter, mime_type = format_dispatch[query.format]

        output = formatter(T, new_select, query)
        output.meta.es_response_time = call_timer.duration
        output.meta.content_type = mime_type
        output.meta.es_query = es_query
        return output
    except Exception, e:
        Log.error("problem formatting", e)
示例#11
0
def es_aggsop(es, frum, query):
    select = wrap([s.copy() for s in listwrap(query.select)])

    es_query = Dict()
    new_select = Dict()  # MAP FROM canonical_name (USED FOR NAMES IN QUERY) TO SELECT MAPPING
    formula = []
    for s in select:
        if s.aggregate == "count" and (s.value == None or s.value == "."):
            s.pull = "doc_count"
        elif s.value == ".":
            if frum.typed:
                # STATISITCAL AGGS IMPLY $value, WHILE OTHERS CAN BE ANYTHING
                if s.aggregate in NON_STATISTICAL_AGGS:
                    # TODO: HANDLE BOTH $value AND $objects TO COUNT
                    Log.error("do not know how to handle")
                else:
                    s.value = "$value"
                    new_select["$value"] += [s]
            else:
                if s.aggregate in NON_STATISTICAL_AGGS:
                    # TODO:  WE SHOULD BE ABLE TO COUNT, BUT WE MUST *OR* ALL LEAF VALUES TO DO IT
                    Log.error("do not know how to handle")
                else:
                    Log.error('Not expecting ES to have a value at "." which {{agg}} can be applied', agg=s.aggregate)
        elif is_keyword(s.value) and s.aggregate == "count":
            s.value = coalesce(frum[s.value].abs_name, s.value)
            new_select["count_" + literal_field(s.value)] += [s]
        elif is_keyword(s.value):
            s.value = coalesce(frum[s.value].abs_name, s.value)
            new_select[literal_field(s.value)] += [s]
        else:
            formula.append(s)

    for canonical_name, many in new_select.items():
        representative = many[0]
        if representative.value == ".":
            Log.error("do not know how to handle")
        else:
            field_name = representative.value

        # canonical_name=literal_field(many[0].name)
        for s in many:
            if s.aggregate == "count":
                es_query.aggs[literal_field(canonical_name)].value_count.field = field_name
                s.pull = literal_field(canonical_name) + ".value"
            elif s.aggregate == "median":
                # ES USES DIFFERENT METHOD FOR PERCENTILES THAN FOR STATS AND COUNT
                key = literal_field(canonical_name + " percentile")

                es_query.aggs[key].percentiles.field = field_name
                es_query.aggs[key].percentiles.percents += [50]
                s.pull = key + ".values.50\.0"
            elif s.aggregate == "percentile":
                # ES USES DIFFERENT METHOD FOR PERCENTILES THAN FOR STATS AND COUNT
                key = literal_field(canonical_name + " percentile")
                percent = Math.round(s.percentile * 100, decimal=6)

                es_query.aggs[key].percentiles.field = field_name
                es_query.aggs[key].percentiles.percents += [percent]
                s.pull = key + ".values." + literal_field(unicode(percent))
            elif s.aggregate == "cardinality":
                # ES USES DIFFERENT METHOD FOR CARDINALITY
                key = literal_field(canonical_name + " cardinality")

                es_query.aggs[key].cardinality.field = field_name
                s.pull = key + ".value"
            else:
                # PULL VALUE OUT OF THE stats AGGREGATE
                es_query.aggs[literal_field(canonical_name)].stats.field = field_name
                s.pull = literal_field(canonical_name) + "." + aggregates1_4[s.aggregate]

    for i, s in enumerate(formula):
        canonical_name = literal_field(s.name)
        abs_value = qb_expression(s.value).map({c.name: c.abs_name for c in frum._columns})

        if s.aggregate == "count":
            es_query.aggs[literal_field(canonical_name)].value_count.script = abs_value.to_ruby()
            s.pull = literal_field(canonical_name) + ".value"
        elif s.aggregate == "median":
            # ES USES DIFFERENT METHOD FOR PERCENTILES THAN FOR STATS AND COUNT
            key = literal_field(canonical_name + " percentile")

            es_query.aggs[key].percentiles.script = abs_value.to_ruby()
            es_query.aggs[key].percentiles.percents += [50]
            s.pull = key + ".values.50\.0"
        elif s.aggregate == "percentile":
            # ES USES DIFFERENT METHOD FOR PERCENTILES THAN FOR STATS AND COUNT
            key = literal_field(canonical_name + " percentile")
            percent = Math.round(s.percentile * 100, decimal=6)

            es_query.aggs[key].percentiles.script = abs_value.to_ruby()
            es_query.aggs[key].percentiles.percents += [percent]
            s.pull = key + ".values." + literal_field(unicode(percent))
        elif s.aggregate == "cardinality":
            # ES USES DIFFERENT METHOD FOR CARDINALITY
            key = canonical_name + " cardinality"

            es_query.aggs[key].cardinality.script = abs_value.to_ruby()
            s.pull = key + ".value"
        else:
            # PULL VALUE OUT OF THE stats AGGREGATE
            s.pull = canonical_name + "." + aggregates1_4[s.aggregate]
            es_query.aggs[canonical_name].stats.script = abs_value.to_ruby()

    decoders = get_decoders_by_depth(query)
    start = 0

    vars_ = qb_expression(query.where).vars()
    map_ = {v: frum[v].abs_name for v in vars_}

    # <TERRIBLE SECTION> THIS IS WHERE WE WEAVE THE where CLAUSE WITH nested
    split_where = split_expression_by_depth(qb_expression(query.where), schema=frum, map_=map_)

    if len(split_field(frum.name)) > 1:
        if any(split_where[2:]):
            Log.error("Where clause is too deep")

        for d in decoders[1]:
            es_query = d.append_query(es_query, start)
            start += d.num_columns

        if split_where[1]:
            # TODO: INCLUDE FILTERS ON EDGES
            filter_ = simplify_esfilter(AndOp("and", split_where[1]).to_esfilter())
            es_query = Dict(aggs={"_filter": set_default({"filter": filter_}, es_query)})

        es_query = wrap({"aggs": {"_nested": set_default({"nested": {"path": frum.query_path}}, es_query)}})
    else:
        if any(split_where[1:]):
            Log.error("Where clause is too deep")

    for d in decoders[0]:
        es_query = d.append_query(es_query, start)
        start += d.num_columns

    if split_where[0]:
        # TODO: INCLUDE FILTERS ON EDGES
        filter = simplify_esfilter(AndOp("and", split_where[0]).to_esfilter())
        es_query = Dict(aggs={"_filter": set_default({"filter": filter}, es_query)})
    # </TERRIBLE SECTION>

    if not es_query:
        es_query = wrap({"query": {"match_all": {}}})

    es_query.size = 0

    with Timer("ES query time") as es_duration:
        result = es09.util.post(es, es_query, query.limit)

    try:
        decoders = [d for ds in decoders for d in ds]
        result.aggregations.doc_count = coalesce(
            result.aggregations.doc_count, result.hits.total
        )  # IT APPEARS THE OLD doc_count IS GONE

        formatter, groupby_formatter, aggop_formatter, mime_type = format_dispatch[query.format]
        if query.edges:
            output = formatter(decoders, result.aggregations, start, query, select)
        elif query.groupby:
            output = groupby_formatter(decoders, result.aggregations, start, query, select)
        else:
            output = aggop_formatter(decoders, result.aggregations, start, query, select)

        output.meta.es_response_time = es_duration.duration
        output.meta.content_type = mime_type
        output.meta.es_query = es_query
        return output
    except Exception, e:
        if query.format not in format_dispatch:
            Log.error("Format {{format|quote}} not supported yet", format=query.format, cause=e)
        Log.error("Some problem", e)