| /* |
| * 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.beam.sdk.extensions.sql.meta.provider.test; |
| |
| import static org.apache.beam.sdk.extensions.sql.meta.provider.test.TestTableProvider.PUSH_DOWN_OPTION; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInAnyOrder; |
| import static org.hamcrest.core.IsInstanceOf.instanceOf; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.alibaba.fastjson.JSON; |
| import java.util.List; |
| import org.apache.beam.sdk.extensions.sql.impl.BeamSqlEnv; |
| import org.apache.beam.sdk.extensions.sql.impl.rel.BeamIOSourceRel; |
| import org.apache.beam.sdk.extensions.sql.impl.rel.BeamRelNode; |
| import org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils; |
| import org.apache.beam.sdk.extensions.sql.impl.rule.BeamCalcRule; |
| import org.apache.beam.sdk.extensions.sql.impl.rule.BeamIOPushDownRule; |
| import org.apache.beam.sdk.extensions.sql.meta.Table; |
| import org.apache.beam.sdk.extensions.sql.meta.provider.test.TestTableProvider.PushDownOptions; |
| import org.apache.beam.sdk.options.PipelineOptionsFactory; |
| import org.apache.beam.sdk.schemas.Schema; |
| import org.apache.beam.sdk.testing.PAssert; |
| import org.apache.beam.sdk.testing.TestPipeline; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.apache.beam.sdk.values.Row; |
| import org.apache.beam.vendor.calcite.v1_20_0.com.google.common.collect.ImmutableList; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.plan.RelOptRule; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.CalcMergeRule; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.FilterCalcMergeRule; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.FilterToCalcRule; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.ProjectCalcMergeRule; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.rules.ProjectToCalcRule; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.tools.RuleSet; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.tools.RuleSets; |
| import org.joda.time.Duration; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class TestTableProviderWithProjectPushDown { |
| private static final Schema BASIC_SCHEMA = |
| Schema.builder() |
| .addInt32Field("unused1") |
| .addInt32Field("id") |
| .addStringField("name") |
| .addInt32Field("unused2") |
| .build(); |
| private static final List<RelOptRule> rulesWithPushDown = |
| ImmutableList.of( |
| BeamCalcRule.INSTANCE, |
| FilterCalcMergeRule.INSTANCE, |
| ProjectCalcMergeRule.INSTANCE, |
| BeamIOPushDownRule.INSTANCE, |
| FilterToCalcRule.INSTANCE, |
| ProjectToCalcRule.INSTANCE, |
| CalcMergeRule.INSTANCE); |
| private BeamSqlEnv sqlEnv; |
| |
| @Rule public TestPipeline pipeline = TestPipeline.create(); |
| |
| @Before |
| public void buildUp() { |
| TestTableProvider tableProvider = new TestTableProvider(); |
| Table table = getTable("TEST", PushDownOptions.PROJECT); |
| tableProvider.createTable(table); |
| tableProvider.addRows( |
| table.getName(), |
| row(BASIC_SCHEMA, 100, 1, "one", 100), |
| row(BASIC_SCHEMA, 200, 2, "two", 200)); |
| |
| sqlEnv = |
| BeamSqlEnv.builder(tableProvider) |
| .setPipelineOptions(PipelineOptionsFactory.create()) |
| .setRuleSets(new RuleSet[] {RuleSets.ofList(rulesWithPushDown)}) |
| .build(); |
| } |
| |
| @Test |
| public void testIOSourceRel_withNoPredicate() { |
| String selectTableStatement = "SELECT id, name FROM TEST"; |
| |
| BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement); |
| PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); |
| |
| assertEquals( |
| result.getSchema(), Schema.builder().addInt32Field("id").addStringField("name").build()); |
| PAssert.that(result) |
| .containsInAnyOrder(row(result.getSchema(), 1, "one"), row(result.getSchema(), 2, "two")); |
| assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class)); |
| // If project push-down succeeds new BeamIOSourceRel should not output unused fields |
| assertThat(beamRelNode.getRowType().getFieldNames(), containsInAnyOrder("id", "name")); |
| |
| pipeline.run().waitUntilFinish(Duration.standardMinutes(2)); |
| } |
| |
| @Test |
| public void testIOSourceRel_withNoPredicate_withRename() { |
| String selectTableStatement = "SELECT id as new_id, name as new_name FROM TEST"; |
| |
| BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement); |
| PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); |
| |
| assertEquals( |
| result.getSchema(), |
| Schema.builder().addInt32Field("new_id").addStringField("new_name").build()); |
| PAssert.that(result) |
| .containsInAnyOrder(row(result.getSchema(), 1, "one"), row(result.getSchema(), 2, "two")); |
| assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class)); |
| // If project push-down succeeds new BeamIOSourceRel should not output unused fields |
| assertThat(beamRelNode.getRowType().getFieldNames(), containsInAnyOrder("new_id", "new_name")); |
| |
| pipeline.run().waitUntilFinish(Duration.standardMinutes(2)); |
| } |
| |
| @Test |
| public void testIOSourceRel_withPredicate() { |
| String selectTableStatement = "SELECT name FROM TEST where id=2"; |
| |
| BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement); |
| PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); |
| |
| assertEquals(result.getSchema(), Schema.builder().addStringField("name").build()); |
| PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two")); |
| assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class)); |
| // When doing only project push-down, predicate should be preserved in a Calc and IO should |
| // project fields queried + fields used by the predicate |
| assertThat( |
| beamRelNode.getInput(0).getRowType().getFieldNames(), containsInAnyOrder("id", "name")); |
| |
| pipeline.run().waitUntilFinish(Duration.standardMinutes(2)); |
| } |
| |
| @Test |
| public void testIOSourceRel_withPredicate_withRename() { |
| String selectTableStatement = "SELECT name as new_name FROM TEST where id=2"; |
| |
| BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement); |
| PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); |
| |
| assertEquals(result.getSchema(), Schema.builder().addStringField("new_name").build()); |
| PAssert.that(result).containsInAnyOrder(row(result.getSchema(), "two")); |
| assertThat(beamRelNode.getInput(0), instanceOf(BeamIOSourceRel.class)); |
| // When doing only project push-down, predicate (and rename) should be preserved in a Calc |
| assertThat(beamRelNode.getRowType().getFieldNames(), containsInAnyOrder("new_name")); |
| // IO should project fields queried + fields used by the predicate |
| assertThat( |
| beamRelNode.getInput(0).getRowType().getFieldNames(), containsInAnyOrder("id", "name")); |
| |
| pipeline.run().waitUntilFinish(Duration.standardMinutes(2)); |
| } |
| |
| @Test |
| public void testIOSourceRel_AllFields() { |
| String selectTableStatement = "SELECT * FROM TEST"; |
| |
| BeamRelNode beamRelNode = sqlEnv.parseQuery(selectTableStatement); |
| PCollection<Row> result = BeamSqlRelUtils.toPCollection(pipeline, beamRelNode); |
| |
| assertEquals(result.getSchema(), BASIC_SCHEMA); |
| PAssert.that(result) |
| .containsInAnyOrder( |
| row(result.getSchema(), 100, 1, "one", 100), |
| row(result.getSchema(), 200, 2, "two", 200)); |
| assertThat(beamRelNode, instanceOf(BeamIOSourceRel.class)); |
| // If project push-down succeeds new BeamIOSourceRel should not output unused fields |
| assertThat( |
| beamRelNode.getRowType().getFieldNames(), |
| containsInAnyOrder("unused1", "id", "name", "unused2")); |
| |
| pipeline.run().waitUntilFinish(Duration.standardMinutes(2)); |
| } |
| |
| private static Row row(Schema schema, Object... objects) { |
| return Row.withSchema(schema).addValues(objects).build(); |
| } |
| |
| private static Table getTable(String name, PushDownOptions options) { |
| return Table.builder() |
| .name(name) |
| .comment(name + " table") |
| .schema(BASIC_SCHEMA) |
| .properties( |
| JSON.parseObject("{ " + PUSH_DOWN_OPTION + ": " + "\"" + options.toString() + "\" }")) |
| .type("test") |
| .build(); |
| } |
| } |