doris

Files

shee f8ad2613cf [Enhancement](Nereids) add some expr rewrite rule and plan rewrite rule of rewrite its expression (#10667 )

# first: Add two expr rewrite rule:
1. remove duplicate expr
a = 1 and a = 1 -> a = 1

2. extract common expr
(a or b) and (a or c) -> a or (b and c)

# second: Add some plan rewrite rule of rewriting expr of operator
1. NormalizeExpressionOfPlan contains normalize expr rewrite rule. Using these normalizerule rewrite LogicalFilter、LogicalAggravate，LogicalProject，LogicalJoin exprs
2. OptimizeExpressionOfPlan contains optimize expr rewrite rule. Using these optimize rule rewrite LogicalFilter、LogicalAggravate，LogicalProject，LogicalJoin exprs

2022-07-21 12:35:28 +08:00

check/checkstyle

[chore]replace checkstyle action with mvn checkstyle:check (#10474 )

2022-06-30 11:20:50 +08:00

conf

[typo](annotation): fix typo in ldap.conf (#9200 )

2022-04-26 10:25:07 +08:00

fe-common

[Feature] Lightweight schema change of add/drop column (#10136 )

2022-07-12 19:41:06 +08:00

fe-core

[Enhancement](Nereids) add some expr rewrite rule and plan rewrite rule of rewrite its expression (#10667 )

2022-07-21 12:35:28 +08:00

hive-udf

[style](fe)the last step of fe CheckStyle (#10134 )

2022-06-17 21:02:45 +08:00

java-udf

[vectorized][udf] improvement java-udaf with group by clause (#10296 )

2022-07-14 11:23:42 +08:00

spark-dpp

[Improvement] (datetime) support microsecond for date literal (#10917 )

2022-07-18 21:39:39 +08:00

pom.xml

[improvement](doe) Step1: Fe generates the DSL and is used to explain (#9895 )

2022-07-18 23:20:58 +08:00

README

[License] Add License header for missing files (#7130 )

2021-11-16 18:37:54 +08:00

README

# 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