| /* |
| * 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.impl.rel; |
| |
| import java.math.BigDecimal; |
| import org.apache.beam.sdk.extensions.sql.TestUtils; |
| import org.apache.beam.sdk.extensions.sql.impl.BeamTableStatistics; |
| import org.apache.beam.sdk.extensions.sql.impl.planner.NodeStats; |
| import org.apache.beam.sdk.extensions.sql.meta.provider.test.TestBoundedTable; |
| import org.apache.beam.sdk.extensions.sql.meta.provider.test.TestUnboundedTable; |
| 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.org.apache.calcite.rel.RelNode; |
| import org.joda.time.DateTime; |
| import org.joda.time.Duration; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| /** Test for {@code BeamMinusRel}. */ |
| public class BeamMinusRelTest extends BaseRelTest { |
| @Rule public final TestPipeline pipeline = TestPipeline.create(); |
| |
| private static final DateTime FIRST_DATE = new DateTime(1); |
| private static final DateTime SECOND_DATE = new DateTime(1 + 3600 * 1000); |
| |
| private static final Duration WINDOW_SIZE = Duration.standardHours(1); |
| |
| @BeforeClass |
| public static void prepare() { |
| registerTable( |
| "ORDER_DETAILS1", |
| TestBoundedTable.of( |
| Schema.FieldType.INT64, "order_id", |
| Schema.FieldType.INT32, "site_id", |
| Schema.FieldType.DECIMAL, "price") |
| .addRows( |
| 1L, |
| 1, |
| new BigDecimal(1.0), |
| 1L, |
| 1, |
| new BigDecimal(1.0), |
| 2L, |
| 2, |
| new BigDecimal(2.0), |
| 4L, |
| 4, |
| new BigDecimal(4.0), |
| 4L, |
| 4, |
| new BigDecimal(4.0))); |
| |
| registerTable( |
| "ORDER_DETAILS2", |
| TestBoundedTable.of( |
| Schema.FieldType.INT64, "order_id", |
| Schema.FieldType.INT32, "site_id", |
| Schema.FieldType.DECIMAL, "price") |
| .addRows( |
| 1L, |
| 1, |
| new BigDecimal(1.0), |
| 2L, |
| 2, |
| new BigDecimal(2.0), |
| 3L, |
| 3, |
| new BigDecimal(3.0))); |
| |
| registerTable( |
| "ORDER_DETAILS_UNBOUNDED", |
| TestUnboundedTable.of( |
| Schema.FieldType.INT32, "order_id", |
| Schema.FieldType.INT32, "site_id", |
| Schema.FieldType.INT32, "price", |
| Schema.FieldType.DATETIME, "order_time") |
| .timestampColumnIndex(3) |
| .addRows(Duration.ZERO, 1, 1, 1, FIRST_DATE, 1, 2, 6, FIRST_DATE) |
| .addRows( |
| WINDOW_SIZE.plus(Duration.standardMinutes(1)), |
| 2, |
| 2, |
| 7, |
| SECOND_DATE, |
| 2, |
| 3, |
| 8, |
| SECOND_DATE, |
| // this late record is omitted(First window) |
| 1, |
| 3, |
| 3, |
| FIRST_DATE) |
| .addRows( |
| // this late record is omitted(Second window) |
| WINDOW_SIZE.plus(WINDOW_SIZE).plus(Duration.standardMinutes(1)), |
| 2, |
| 3, |
| 3, |
| SECOND_DATE) |
| .setStatistics(BeamTableStatistics.createUnboundedTableStatistics(4d))); |
| } |
| |
| @Test |
| public void testExcept() { |
| String sql = ""; |
| sql += |
| "SELECT order_id, site_id, price " |
| + "FROM ORDER_DETAILS1 " |
| + " EXCEPT " |
| + "SELECT order_id, site_id, price " |
| + "FROM ORDER_DETAILS2 "; |
| |
| PCollection<Row> rows = compilePipeline(sql, pipeline); |
| PAssert.that(rows) |
| .containsInAnyOrder( |
| TestUtils.RowsBuilder.of( |
| Schema.FieldType.INT64, "order_id", |
| Schema.FieldType.INT32, "site_id", |
| Schema.FieldType.DECIMAL, "price") |
| .addRows(4L, 4, new BigDecimal(4.0)) |
| .getRows()); |
| |
| pipeline.run(); |
| } |
| |
| @Test |
| public void testExceptAll() { |
| String sql = ""; |
| sql += |
| "SELECT order_id, site_id, price " |
| + "FROM ORDER_DETAILS1 " |
| + " EXCEPT ALL " |
| + "SELECT order_id, site_id, price " |
| + "FROM ORDER_DETAILS2 "; |
| |
| PCollection<Row> rows = compilePipeline(sql, pipeline); |
| PAssert.that(rows).satisfies(new CheckSize(3)); |
| |
| PAssert.that(rows) |
| .containsInAnyOrder( |
| TestUtils.RowsBuilder.of( |
| Schema.FieldType.INT64, "order_id", |
| Schema.FieldType.INT32, "site_id", |
| Schema.FieldType.DECIMAL, "price") |
| .addRows( |
| 1L, |
| 1, |
| new BigDecimal(1.0), |
| 4L, |
| 4, |
| new BigDecimal(4.0), |
| 4L, |
| 4, |
| new BigDecimal(4.0)) |
| .getRows()); |
| |
| pipeline.run(); |
| } |
| |
| @Test |
| public void testExceptRemovesDuplicates() { |
| String sql = "(SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 1) EXCEPT SELECT 1"; |
| |
| PCollection<Row> rows = compilePipeline(sql, pipeline); |
| PAssert.that(rows).satisfies(new CheckSize(1)); |
| |
| PAssert.that(rows) |
| .containsInAnyOrder( |
| TestUtils.RowsBuilder.of(Schema.FieldType.INT32, "i").addRows(2).getRows()); |
| |
| pipeline.run(); |
| } |
| |
| @Test |
| public void testNodeStatsEstimation() { |
| String sql = |
| "SELECT order_id, site_id, price " |
| + "FROM ORDER_DETAILS1 " |
| + " EXCEPT ALL " |
| + "SELECT order_id, site_id, price " |
| + "FROM ORDER_DETAILS2 "; |
| |
| RelNode root = env.parseQuery(sql); |
| |
| while (!(root instanceof BeamMinusRel)) { |
| root = root.getInput(0); |
| } |
| |
| NodeStats estimate = BeamSqlRelUtils.getNodeStats(root, root.getCluster().getMetadataQuery()); |
| |
| Assert.assertFalse(estimate.isUnknown()); |
| Assert.assertEquals(0d, estimate.getRate(), 0.01); |
| |
| Assert.assertEquals(5. - 3. / 2., estimate.getRowCount(), 0.01); |
| Assert.assertEquals(5. - 3. / 2., estimate.getWindow(), 0.01); |
| } |
| |
| @Test |
| public void testNodeStatsEstimationUnbounded() { |
| String sql = |
| "SELECT * " |
| + "FROM " |
| + "(select order_id FROM ORDER_DETAILS_UNBOUNDED " |
| + " GROUP BY order_id, TUMBLE(order_time, INTERVAL '1' HOUR)) o1 " |
| + " EXCEPT ALL " |
| + " select order_id FROM ORDER_DETAILS_UNBOUNDED " |
| + " GROUP BY order_id, TUMBLE(order_time, INTERVAL '1' HOUR) "; |
| |
| RelNode root = env.parseQuery(sql); |
| |
| while (!(root instanceof BeamMinusRel)) { |
| root = root.getInput(0); |
| } |
| |
| NodeStats estimate = BeamSqlRelUtils.getNodeStats(root, root.getCluster().getMetadataQuery()); |
| |
| // note that we have group by |
| Assert.assertEquals(4d / 2 - 4d / 4, estimate.getRate(), 0.01); |
| Assert.assertEquals(0d, estimate.getRowCount(), 0.01); |
| } |
| } |