xzj7019 commented on code in PR #27051: URL: https://github.com/apache/doris/pull/27051#discussion_r1406065279
########## fe/fe-core/src/test/java/org/apache/doris/nereids/properties/FunctionalDependenciesTest.java: ########## @@ -0,0 +1,383 @@ +// 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. + +package org.apache.doris.nereids.properties; + +import org.apache.doris.nereids.properties.FunctionalDependencies.Builder; +import org.apache.doris.nereids.trees.expressions.Slot; +import org.apache.doris.nereids.trees.expressions.SlotReference; +import org.apache.doris.nereids.trees.plans.Plan; +import org.apache.doris.nereids.trees.plans.logical.LogicalPartitionTopN; +import org.apache.doris.nereids.types.IntegerType; +import org.apache.doris.nereids.util.PlanChecker; +import org.apache.doris.utframe.TestWithFeService; + +import com.google.common.collect.ImmutableSet; +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.Test; + +class FunctionalDependenciesTest extends TestWithFeService { + Slot slot1 = new SlotReference("1", IntegerType.INSTANCE, false); + Slot slot2 = new SlotReference("2", IntegerType.INSTANCE, false); + Slot slot3 = new SlotReference("1", IntegerType.INSTANCE, false); + Slot slot4 = new SlotReference("1", IntegerType.INSTANCE, false); + + @Override + protected void runBeforeAll() throws Exception { + createDatabase("test"); + createTable("create table test.agg (\n" + + "id int not null,\n" + + "name varchar(128) replace not null )\n" + + "AGGREGATE KEY(id)\n" + + "distributed by hash(id) buckets 10\n" + + "properties('replication_num' = '1');"); + createTable("create table test.uni (\n" + + "id int not null,\n" + + "name varchar(128) not null)\n" + + "UNIQUE KEY(id)\n" + + "distributed by hash(id) buckets 10\n" + + "properties('replication_num' = '1');"); + connectContext.setDatabase("default_cluster:test"); + } + + @Test + void testUniform() { + Builder fdBuilder = new Builder(); + fdBuilder.addUniformSlot(slot1); + FunctionalDependencies fd = fdBuilder.build(); + Assertions.assertTrue(fd.isUniformAndNotNull(slot1)); + Assertions.assertFalse(fd.isUniformAndNotNull(slot2)); + fdBuilder.addUniformSlot(ImmutableSet.of(slot2)); + fd = fdBuilder.build(); + Assertions.assertTrue(fd.isUniformAndNotNull(slot2)); + ImmutableSet<Slot> slotSet = ImmutableSet.of(slot1, slot2, slot3); + fdBuilder.addUniformSlot(slotSet); + fd = fdBuilder.build(); + Assertions.assertTrue(fd.isUniformAndNotNull(slotSet)); + Assertions.assertFalse(fd.isUniformAndNotNull(ImmutableSet.of(slot1, slot2, slot3, slot4))); + Assertions.assertTrue(fd.isUniformAndNotNull(ImmutableSet.of(slot1, slot2))); + Assertions.assertFalse(fd.isUniformAndNotNull(ImmutableSet.of(slot3, slot2))); + } + + @Test + void testUnique() { + Builder fdBuilder = new Builder(); + fdBuilder.addUniqueSlot(slot1); + FunctionalDependencies fd = fdBuilder.build(); + Assertions.assertTrue(fd.isUniqueAndNotNull(slot1)); + Assertions.assertFalse(fd.isUniqueAndNotNull(slot2)); + fdBuilder.addUniqueSlot(slot2); + fd = fdBuilder.build(); + Assertions.assertTrue(fd.isUniqueAndNotNull(slot2)); + ImmutableSet<Slot> slotSet = ImmutableSet.of(slot1, slot2, slot3); + fdBuilder.addUniqueSlot(slotSet); + fd = fdBuilder.build(); + Assertions.assertTrue(fd.isUniqueAndNotNull(slotSet)); + Assertions.assertTrue(fd.isUniqueAndNotNull(ImmutableSet.of(slot1, slot2, slot3, slot4))); + Assertions.assertFalse(fd.isUniqueAndNotNull(ImmutableSet.of(slot3, slot4))); + } + + @Test + void testMergeFD() { + Builder fdBuilder1 = new Builder(); + fdBuilder1.addUniformSlot(slot1); + Builder fdBuilder2 = new Builder(); + fdBuilder2.addUniformSlot(slot2); + + fdBuilder1.addFunctionalDependencies(fdBuilder2.build()); + FunctionalDependencies fd = fdBuilder1.build(); + Assertions.assertTrue(fd.isUniformAndNotNull(slot1)); + Assertions.assertTrue(fd.isUniformAndNotNull(slot2)); + } + + @Test + void testScan() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select id from agg") + .rewrite() + .getPlan(); + Assertions.assertTrue(plan.getLogicalProperties().getFunctionalDependencies() + .isUniqueAndNotNull(plan.getOutput().get(0))); + plan = PlanChecker.from(connectContext) + .analyze("select id from uni") + .rewrite() + .getPlan(); + Assertions.assertTrue(plan.getLogicalProperties().getFunctionalDependencies() + .isUniqueAndNotNull(plan.getOutput().get(0))); + } + + @Test + void testFilter() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select name from agg where name = \"1\"") + .rewrite() + .getPlan(); + Assertions.assertTrue(plan.getLogicalProperties().getFunctionalDependencies() + .isUniformAndNotNull(plan.getOutput().get(0))); + } + + @Test + void testJoin() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select * from agg full outer join uni " + + "on agg.id = uni.id") + .rewrite() + .getPlan(); + Assertions.assertTrue(plan.getLogicalProperties().getFunctionalDependencies().isEmpty()); + + plan = PlanChecker.from(connectContext) + .analyze("select agg.id, uni.id from agg full outer join uni " + + "on agg.id = uni.id") + .rewrite() + .getPlan(); + Assertions.assertTrue(plan.getLogicalProperties().getFunctionalDependencies().isEmpty()); + + plan = PlanChecker.from(connectContext) + .analyze("select agg.id from agg left outer join uni " + + "on agg.id = uni.id") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select agg.id from agg left semi join uni " + + "on agg.id = uni.id") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select agg.id from agg left anti join uni " + + "on agg.id = uni.id") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select uni.id from agg right outer join uni " + + "on agg.id = uni.id") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select uni.id, agg.id from agg inner join uni " + + "on agg.id = uni.id") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(0))); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(1))); + } + + @Test + void testAgg() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select count(1), name from agg group by name") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(1))); + + plan = PlanChecker.from(connectContext) + .analyze("select count(1), max(id), id from agg group by id") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(1))); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(2))); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniformAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select count(1), id from agg where id = 1 group by id") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniformAndNotNull(plan.getOutput().get(1))); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniformAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select count(name) from agg") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniformAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select id from agg where id = 1 group by cube(id, name)") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniform(plan.getOutput().get(0))); + } + + @Test + void testGenerate() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select k1 from (select 1 k1) as t lateral view explode([1,2,3]) tmp1 as e1") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniform(plan.getOutput().get(0))); + } + + @Test + void testWindow() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select rank() over(partition by id) from agg") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniformAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select rank() over(partition by name) from agg where name = '1'") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select rank() over(partition by name) from agg where name = '1' limit 1") + .rewrite() + .getPlan(); + LogicalPartitionTopN<?> ptopn = (LogicalPartitionTopN<?>) plan.child(0).child(0).child(0).child(0).child(0); + System.out.println(ptopn.getLogicalProperties().getFunctionalDependencies()); + System.out.println(ptopn.getOutput()); + Assertions.assertTrue(ptopn.getLogicalProperties() + .getFunctionalDependencies().isUniformAndNotNull(ImmutableSet.copyOf(ptopn.getOutputSet()))); + + plan = PlanChecker.from(connectContext) + .analyze("select rank() over(partition by name) from agg limit 1") + .rewrite() + .getPlan(); + ptopn = (LogicalPartitionTopN<?>) plan.child(0).child(0).child(0).child(0).child(0); + Assertions.assertTrue(ptopn.getLogicalProperties() + .getFunctionalDependencies().isEmpty()); + } + + @Test + void testProject() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select name from agg where id = 1") + .rewrite() + .getPlan(); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isEmpty()); + } + + @Test + void testLimitAndTopN() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select name from agg limit 1") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniformAndNotNull(plan.getOutput().get(0))); + + plan = PlanChecker.from(connectContext) + .analyze("select name from agg order by id limit 1") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniformAndNotNull(plan.getOutput().get(0))); + } + + @Test + void testSubQuery() { + Plan plan = PlanChecker.from(connectContext) + .analyze("select id from (select * from agg) t") + .rewrite() + .getPlan(); + System.out.println(plan.getLogicalProperties().getFunctionalDependencies()); + Assertions.assertTrue(plan.getLogicalProperties() + .getFunctionalDependencies().isUniqueAndNotNull(plan.getOutput().get(0))); + } + + @Test + void testCTE() { + Plan plan = PlanChecker.from(connectContext) + .analyze("with t as (select * from agg) select id from t") Review Comment: add cases for materialized cte -- This is an automated message from the Apache Git Service. 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