Mark-Zeng commented on a change in pull request #12232: URL: https://github.com/apache/beam/pull/12232#discussion_r464339127
########## File path: sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamMatchRelTest.java ########## @@ -0,0 +1,234 @@ +/* + * 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 static org.apache.beam.sdk.extensions.sql.impl.rel.BaseRelTest.compilePipeline; +import static org.apache.beam.sdk.extensions.sql.impl.rel.BaseRelTest.registerTable; + +import org.apache.beam.sdk.extensions.sql.TestUtils; +import org.apache.beam.sdk.extensions.sql.meta.provider.test.TestBoundedTable; +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.junit.Rule; +import org.junit.Test; + +/** Test for {@code BeamMatchRel}. */ +public class BeamMatchRelTest { + + @Rule public final TestPipeline pipeline = TestPipeline.create(); + + @Test + public void matchLogicalPlanTest() { + Schema schemaType = + Schema.builder() + .addInt32Field("id") + .addStringField("name") + .addInt32Field("proctime") + .build(); + + registerTable( + "TestTable", TestBoundedTable.of(schemaType).addRows(1, "a", 1, 1, "b", 2, 1, "c", 3)); + + String sql = + "SELECT * " + + "FROM TestTable " + + "MATCH_RECOGNIZE (" + + "PARTITION BY id " + + "ORDER BY proctime " + + "ALL ROWS PER MATCH " + + "PATTERN (A B C) " + + "DEFINE " + + "A AS name = 'a', " + + "B AS name = 'b', " + + "C AS name = 'c' " + + ") AS T"; + + PCollection<Row> result = compilePipeline(sql, pipeline); + + PAssert.that(result) + .containsInAnyOrder( + TestUtils.RowsBuilder.of( + Schema.FieldType.INT32, "id", + Schema.FieldType.STRING, "name", + Schema.FieldType.INT32, "proctime") + .addRows(1, "a", 1, 1, "b", 2, 1, "c", 3) + .getRows()); + + pipeline.run().waitUntilFinish(); + } + + @Test + public void matchQuantifierTest() { + Schema schemaType = + Schema.builder() + .addInt32Field("id") + .addStringField("name") + .addInt32Field("proctime") + .build(); + + registerTable( + "TestTable", + TestBoundedTable.of(schemaType).addRows(1, "a", 1, 1, "a", 2, 1, "b", 3, 1, "c", 4)); + + String sql = + "SELECT * " + + "FROM TestTable " + + "MATCH_RECOGNIZE (" + + "PARTITION BY id " + + "ORDER BY proctime " + + "ALL ROWS PER MATCH " + + "PATTERN (A+ B C) " + + "DEFINE " + + "A AS name = 'a', " + + "B AS name = 'b', " + + "C AS name = 'c' " + + ") AS T"; + + PCollection<Row> result = compilePipeline(sql, pipeline); + + PAssert.that(result) + .containsInAnyOrder( + TestUtils.RowsBuilder.of( + Schema.FieldType.INT32, "id", + Schema.FieldType.STRING, "name", + Schema.FieldType.INT32, "proctime") + .addRows(1, "a", 1, 1, "a", 2, 1, "b", 3, 1, "c", 4) + .getRows()); + + pipeline.run().waitUntilFinish(); + } + + @Test + public void matchMeasuresTest() { + Schema schemaType = + Schema.builder() + .addInt32Field("id") + .addStringField("name") + .addInt32Field("proctime") + .build(); + + registerTable( + "TestTable", + TestBoundedTable.of(schemaType) + .addRows( + 1, "a", 1, 1, "a", 2, 1, "b", 3, 1, "c", 4, 1, "b", 8, 1, "a", 7, 1, "c", 9, 2, "a", + 6, 2, "b", 10, 2, "c", 11, 5, "a", 0)); + + String sql = + "SELECT * " + + "FROM TestTable " + + "MATCH_RECOGNIZE (" + + "PARTITION BY id " + + "ORDER BY proctime " + + "MEASURES " + + "LAST (A.proctime) AS atime, " + + "B.proctime AS btime, " + + "C.proctime AS ctime " + + "PATTERN (A+ B C) " + + "DEFINE " + + "A AS name = 'a', " + + "B AS name = 'b', " + + "C AS name = 'c' " + + ") AS T"; + + PCollection<Row> result = compilePipeline(sql, pipeline); + + PAssert.that(result) + .containsInAnyOrder( + TestUtils.RowsBuilder.of( + Schema.FieldType.INT32, "id", + Schema.FieldType.INT32, "T.atime", + Schema.FieldType.INT32, "T.btime", + Schema.FieldType.INT32, "T.ctime") + .addRows(1, 2, 3, 4, 1, 7, 8, 9, 2, 6, 10, 11) + .getRows()); + + pipeline.run().waitUntilFinish(); + } + + /* Review comment: I will ignore it for now. This test is wrote for testing the NFA. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
