rdblue commented on a change in pull request #3461: URL: https://github.com/apache/iceberg/pull/3461#discussion_r744307558
########## File path: spark/v3.2/spark/src/test/java/org/apache/iceberg/spark/source/TestRequiredDistributionAndOrdering.java ########## @@ -0,0 +1,157 @@ +/* + * 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.iceberg.spark.source; + +import java.util.List; +import java.util.Map; +import org.apache.iceberg.AssertHelpers; +import org.apache.iceberg.Table; +import org.apache.iceberg.TableProperties; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; +import org.apache.iceberg.spark.SparkCatalogTestBase; +import org.apache.iceberg.spark.SparkWriteOptions; +import org.apache.spark.SparkException; +import org.apache.spark.sql.Dataset; +import org.apache.spark.sql.Row; +import org.apache.spark.sql.catalyst.analysis.NoSuchTableException; +import org.junit.After; +import org.junit.Test; + +public class TestRequiredDistributionAndOrdering extends SparkCatalogTestBase { + + public TestRequiredDistributionAndOrdering(String catalogName, String implementation, Map<String, String> config) { + super(catalogName, implementation, config); + } + + @After + public void dropTestTable() { + sql("DROP TABLE IF EXISTS %s", tableName); + } + + @Test + public void testSortIdentityTransforms() throws NoSuchTableException { + sql("CREATE TABLE %s (c1 INT, c2 STRING, c3 STRING) " + + "USING iceberg " + + "PARTITIONED BY (c3)", tableName); + + List<ThreeColumnRecord> data = ImmutableList.of( + new ThreeColumnRecord(1, null, "A"), + new ThreeColumnRecord(2, "BBBBBBBBBB", "B"), + new ThreeColumnRecord(3, "BBBBBBBBBB", "A"), + new ThreeColumnRecord(4, "BBBBBBBBBB", "B"), + new ThreeColumnRecord(5, "BBBBBBBBBB", "A"), + new ThreeColumnRecord(6, "BBBBBBBBBB", "B"), + new ThreeColumnRecord(7, "BBBBBBBBBB", "A") + ); + Dataset<Row> ds = spark.createDataFrame(data, ThreeColumnRecord.class); + Dataset<Row> inputDF = ds.coalesce(1).sortWithinPartitions("c1"); + + // should succeed by default Review comment: Why would this succeed? Isn't there only 1 partition and it is ordered by c1 so it switches between partitions? And this isn't using the fanout writer. -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
