xzj7019 commented on code in PR #28486: URL: https://github.com/apache/doris/pull/28486#discussion_r1432573703
########## fe/fe-core/src/test/java/org/apache/doris/nereids/rules/rewrite/EliminateJoinByFkTest.java: ########## @@ -0,0 +1,121 @@ +// 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.rules.rewrite; + +import org.apache.doris.nereids.util.MemoPatternMatchSupported; +import org.apache.doris.nereids.util.PlanChecker; +import org.apache.doris.utframe.TestWithFeService; + +import org.junit.jupiter.api.Test; + +class EliminateJoinByFkTest extends TestWithFeService implements MemoPatternMatchSupported { + @Override + protected void runBeforeAll() throws Exception { + createDatabase("test"); + connectContext.setDatabase("default_cluster:test"); + createTables( + "CREATE TABLE IF NOT EXISTS pri (\n" + + " id1 int not null\n" + + ")\n" + + "DUPLICATE KEY(id1)\n" + + "DISTRIBUTED BY HASH(id1) BUCKETS 10\n" + + "PROPERTIES (\"replication_num\" = \"1\")\n", + "CREATE TABLE IF NOT EXISTS foreign_not_null (\n" + + " id2 int not null\n" + + ")\n" + + "DUPLICATE KEY(id2)\n" + + "DISTRIBUTED BY HASH(id2) BUCKETS 10\n" + + "PROPERTIES (\"replication_num\" = \"1\")\n", + "CREATE TABLE IF NOT EXISTS foreign_null (\n" + + " id3 int\n" + + ")\n" + + "DUPLICATE KEY(id3)\n" + + "DISTRIBUTED BY HASH(id3) BUCKETS 10\n" + + "PROPERTIES (\"replication_num\" = \"1\")\n" + ); + addConstraint("Alter table pri add constraint pk primary key (id1)"); + addConstraint("Alter table foreign_not_null add constraint f_not_null foreign key (id2)\n" + + "references pri(id1)"); + addConstraint("Alter table foreign_null add constraint f_not_null foreign key (id3)\n" + + "references pri(id1)"); + } + + @Test + void testNotNull() throws Exception { + addConstraint("Alter table foreign_not_null add constraint uk1 unique (id2)\n"); + String sql = "select pri.id1 from pri inner join foreign_not_null on pri.id1 = foreign_not_null.id2"; + PlanChecker.from(connectContext) Review Comment: only select fk side column can be eliminated? select foreign_not_null.xxx? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
