| /* |
| * 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.integrationtest; |
| |
| import static org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.avatica.util.DateTimeUtils.MILLIS_PER_DAY; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.Iterator; |
| import org.apache.beam.sdk.extensions.sql.SqlTransform; |
| import org.apache.beam.sdk.testing.PAssert; |
| import org.apache.beam.sdk.transforms.SerializableFunction; |
| import org.apache.beam.sdk.values.PCollection; |
| import org.apache.beam.sdk.values.Row; |
| import org.joda.time.DateTime; |
| import org.junit.Test; |
| |
| /** Integration test for date functions. */ |
| public class BeamSqlDateFunctionsIntegrationTest |
| extends BeamSqlBuiltinFunctionsIntegrationTestBase { |
| @Test |
| public void testDateTimeFunctions_currentTime() throws Exception { |
| String sql = |
| "SELECT " |
| + "LOCALTIME as l," |
| + "LOCALTIMESTAMP as l1," |
| + "CURRENT_DATE as c1," |
| + "CURRENT_TIME as c2," |
| + "CURRENT_TIMESTAMP as c3" |
| + " FROM PCOLLECTION"; |
| PCollection<Row> rows = getTestPCollection().apply(SqlTransform.query(sql)); |
| PAssert.that(rows).satisfies(new Checker()); |
| pipeline.run(); |
| } |
| |
| private static class Checker implements SerializableFunction<Iterable<Row>, Void> { |
| @Override |
| public Void apply(Iterable<Row> input) { |
| Iterator<Row> iter = input.iterator(); |
| assertTrue(iter.hasNext()); |
| Row row = iter.next(); |
| // LOCALTIME |
| DateTime date = DateTime.now(); |
| long millis = date.getMillis(); |
| int timeMillis = (int) (date.getMillis() % MILLIS_PER_DAY); |
| |
| // These asserts checks that various time casts are correct within 1 second. |
| // We should pass in a deterministic clock for testing. |
| |
| // LOCALTIME |
| assertTrue(timeMillis - row.getDateTime(0).getMillis() < 1000); |
| assertTrue(timeMillis - row.getDateTime(0).getMillis() > -1000); |
| |
| // LOCALTIMESTAMP |
| assertTrue(millis - row.getDateTime(1).getMillis() < 1000); |
| assertTrue(millis - row.getDateTime(1).getMillis() > -1000); |
| |
| // CURRENT_DATE |
| assertTrue(millis - row.getDateTime(2).getMillis() < MILLIS_PER_DAY); |
| assertTrue(millis - row.getDateTime(2).getMillis() > -MILLIS_PER_DAY); |
| |
| // CURRENT_TIME |
| assertTrue(timeMillis - row.getDateTime(3).getMillis() < 1000); |
| assertTrue(timeMillis - row.getDateTime(3).getMillis() > -1000); |
| |
| // CURRENT_TIMESTAMP |
| assertTrue(millis - row.getDateTime(4).getMillis() < 1000); |
| assertTrue(millis - row.getDateTime(4).getMillis() > -1000); |
| |
| assertFalse(iter.hasNext()); |
| return null; |
| } |
| } |
| } |