1b6b92a19d
Support hll roll up, the hll fucntion supportd is as following: +-----------------------------------------------------------------------------------------------------------------------------------------------------+ | in query | in materialized view | rolluped | + ------------------------------------------------ + ----------------------------------------------------------------------- + ---------------------- + | HLL_UNION_AGG(hll column) | hll_union(column) or hll_raw_agg(column) as column1 | HLL_UNION_AGG(column1) | | HLL_RAW_AGG(hll column) or HLL_UNION(hll column) | | HLL_UNION(column) | | approx_count_distinct(not hll column) | hll_union(HLL_HASH(column)) or hll_raw_agg(HLL_HASH(column)) as column1 | HLL_UNION_AGG(column1) | | HLL_UNION_AGG(HLL_HASH(column)) | | HLL_UNION_AGG(column) | | hll_cardinality(hll_union(HLL_HASH(column))) | hll_union(HLL_HASH(column)) or hll_raw_agg(HLL_HASH(column)) as column1 | | | hll_cardinality(hll_raw_agg(HLL_HASH(column))) | hll_union(HLL_HASH(column)) or hll_raw_agg(HLL_HASH(column)) as column1 | | | HLL_RAW_AGG(HLL_HASH(column)) | hll_union(HLL_HASH(column)) or hll_raw_agg(HLL_HASH(column)) as column1 | HLL_RAW_AGG(column1) | +-----------------------------------------------------------------------------------------------------------------------------------------------------+
# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. # fe-common This module is used to store some common classes of other modules. # spark-dpp This module is Spark DPP program, used for Spark Load function. Depends: fe-common # fe-core This module is the main process module of FE. Depends: fe-common, spark-dpp