-- 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. CREATE TABLE hbase_pushdown(key int, value string) STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler' WITH SERDEPROPERTIES ("hbase.columns.mapping" = ":key,cf:string"); INSERT OVERWRITE TABLE hbase_pushdown SELECT * FROM src; -- with full pushdown explain select * from hbase_pushdown where key=90; select * from hbase_pushdown where key=90; -- with partial pushdown explain select * from hbase_pushdown where key=90 and value like '%90%'; select * from hbase_pushdown where key=90 and value like '%90%'; -- with two residuals explain select * from hbase_pushdown where key=90 and value like '%90%' and key=cast(value as int); -- with contradictory pushdowns explain select * from hbase_pushdown where key=80 and key=90 and value like '%90%'; select * from hbase_pushdown where key=80 and key=90 and value like '%90%'; -- with nothing to push down explain select * from hbase_pushdown; -- with a predicate which is not actually part of the filter, so -- it should be ignored by pushdown explain select * from hbase_pushdown where (case when key=90 then 2 else 4 end) > 3; -- with a predicate which is under an OR, so it should -- be ignored by pushdown explain select * from hbase_pushdown where key=80 or value like '%90%'; set hive.optimize.ppd.storage=false; -- with pushdown disabled explain select * from hbase_pushdown where key=90;