Files
doris/fe
minghong 4017f64994 [feature](Nereids) support non-equal predicates in Join (#11812)
Currently, the join on conditions are denoted by Join.conditions as one expression.
It is not convenient to get equal-predicates for hash table.

This pr add a rule FindHashConditionForJoin to split on-conditions into two parts:
- hashJoinPredicates
- otherJoinConditions
And store them as two attributes in LogicalJoin and PhysicalJoin.

JoinReorder rule is impacted by this change, since the way we get the equal conditions between join children are changed.
In this pr, we changed the output of multiJoin slightly. Equations like A=1 are moved from join condition to upper filter.
For more detail, refer to fe/fe-core/src/test/java/org/apache/doris/nereids/datasets/ssb/SSBJoinReorderTest.java.
2022-08-25 11:08:31 +08:00
..

# 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