zstan commented on code in PR #2768: URL: https://github.com/apache/ignite-3/pull/2768#discussion_r1377469481
########## modules/sql-engine/src/test/java/org/apache/ignite/internal/sql/engine/exec/mapping/FragmentMappingTest.java: ########## @@ -0,0 +1,337 @@ +/* + * 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.ignite.internal.sql.engine.exec.mapping; + +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; +import java.util.TreeSet; +import java.util.stream.Collectors; +import org.apache.ignite.internal.catalog.CatalogManager; +import org.apache.ignite.internal.cluster.management.topology.api.LogicalNode; +import org.apache.ignite.internal.cluster.management.topology.api.LogicalTopologySnapshot; +import org.apache.ignite.internal.sql.engine.exec.mapping.MappingTestRunner.TestSetup; +import org.apache.ignite.internal.sql.engine.framework.TestBuilders; +import org.apache.ignite.internal.sql.engine.framework.TestBuilders.ExecutionTargetProviderBuilder; +import org.apache.ignite.internal.sql.engine.framework.TestBuilders.TableBuilder; +import org.apache.ignite.internal.sql.engine.framework.TestTable; +import org.apache.ignite.internal.sql.engine.planner.AbstractPlannerTest; +import org.apache.ignite.internal.sql.engine.rel.IgniteRel; +import org.apache.ignite.internal.sql.engine.schema.IgniteDataSource; +import org.apache.ignite.internal.sql.engine.schema.IgniteSchema; +import org.apache.ignite.internal.sql.engine.trait.DistributionFunction.AffinityDistribution; +import org.apache.ignite.internal.sql.engine.trait.DistributionFunction.IdentityDistribution; +import org.apache.ignite.internal.sql.engine.trait.IgniteDistribution; +import org.apache.ignite.internal.sql.engine.trait.IgniteDistributions; +import org.apache.ignite.internal.type.NativeTypes; +import org.apache.ignite.internal.util.Pair; +import org.apache.ignite.network.NetworkAddress; +import org.junit.jupiter.api.Test; + +/** + * Tests for fragment mapping. + * + * <p>Test setup: + * <pre> + * // add nodes named n1, n2, and n3 to the cluster. + * addNodes("N1", "N2", "N3"); + * + * // The first statement adds a table with data located at node n1. + * // The first one adds a table with data located at node n2, n3. + * // The catalog is going to contain to tables "t1_n1" and "t2_n2n3". + * // Both tables have distribution affinity([0], tableId, zoneId) + * addTable("T1", "N1"); + * addTable("T2", "N2", "N3"); + * + * // Adds table with identity(0) distribution. Can be used to mimic node system views. + * addTableIdent("NT1", "N1"); + * + * // Adds table with single distribution. Can be used to mimic cluster-wide system views. + * addTableSingle("CT2", "N1", "N2", "N3"); + * + * // Sets row count statistics to 100 for all tables named like T1_* + * setRowCount("T1", 100); + * + * var runner = new MappingTestRunner("tests_dir"); + * // run test cases + * runner.run(this::initSchema, "file.test"); + * </pre> + * + * <p>See {@link MappingTestRunner} for test file format description. + * + * @see MappingTestRunner + */ +public class FragmentMappingTest extends AbstractPlannerTest { + + private static final Path LOCATION = Paths.get("src/test/resources/mapping"); + + private final TreeSet<String> nodeNames = new TreeSet<>(); + + private final TreeMap<String, Pair<IgniteDistribution, List<String>>> tables = new TreeMap<>(); + + private final Map<String, Integer> tableRows = new HashMap<>(); + + private final MappingTestRunner testRunner = new MappingTestRunner(LOCATION, this::parseQuery); + + @Test + public void testValues() { + addNodes("N1", "N2"); + + testRunner.runTest(this::initSchema, "values.test"); + } + + @Test + public void testTable() { + addNodes("N1", "N2"); + + addTable("T1", "N1"); Review Comment: i try to play with this framework and change : addNodes("N2", "N3"); addTable("T1", "N2"); and in the table_affinity.test i change : N1 SELECT * FROM t1_n2 obtain test infinetely hanging -- This is an automated message from the Apache Git Service. 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