ajantha-bhat commented on a change in pull request #3375: URL: https://github.com/apache/iceberg/pull/3375#discussion_r748714549
########## File path: spark/v3.2/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestRewriteDataFilesProcedure.java ########## @@ -0,0 +1,275 @@ +/* + * 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.extensions; + +import java.util.List; +import java.util.Map; +import org.apache.iceberg.AssertHelpers; +import org.apache.iceberg.exceptions.ValidationException; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; +import org.apache.spark.sql.AnalysisException; +import org.apache.spark.sql.catalyst.analysis.NoSuchProcedureException; +import org.junit.After; +import org.junit.Assert; +import org.junit.Test; + + +public class TestRewriteDataFilesProcedure extends SparkExtensionsTestBase { + + public TestRewriteDataFilesProcedure(String catalogName, String implementation, Map<String, String> config) { + super(catalogName, implementation, config); + } + + @After + public void removeTable() { + sql("DROP TABLE IF EXISTS %s", tableName); + } + + @Test + public void testRewriteDataFilesInEmptyTable() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName); + List<Object[]> output = sql( + "CALL %s.system.rewrite_data_files('%s')", catalogName, tableIdent); + assertEquals("Procedure output must match", + ImmutableList.of(row(0, 0)), + output); + } + + @Test + public void testRewriteDataFilesOnPartitionTable() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg PARTITIONED BY (data)", tableName); + + // create 5 files for each partition (data = 'a' and data = 'b') + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + + List<Object[]> df1 = sql("SELECT * FROM %s order by id", tableName); + + List<Object[]> output = sql( + "CALL %s.system.rewrite_data_files(table => '%s')", catalogName, tableIdent); + + assertEquals("Action should rewrite 10 data files and add 2 data files (one per partition) ", + ImmutableList.of(row(10, 2)), + output); + + List<Object[]> df2 = sql("SELECT * FROM %s ", tableName); + + Assert.assertEquals("data count should match", df1.size(), df2.size()); + } + + @Test + public void testRewriteDataFilesOnNonPartitionTable() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName); + + // create 10 files under non-partitioned table + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + + List<Object[]> df1 = sql("SELECT * FROM %s ", tableName); + + List<Object[]> output = sql( + "CALL %s.system.rewrite_data_files(table => '%s')", catalogName, tableIdent); + + assertEquals("Action should rewrite 10 data files and add 1 data files", + ImmutableList.of(row(10, 1)), + output); + + List<Object[]> df2 = sql("SELECT * FROM %s ", tableName); + + Assert.assertEquals("data count should match", df1.size(), df2.size()); + } + + @Test + public void testRewriteDataFilesWithOptions() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName); + + // create 2 files under non-partitioned table + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + + List<Object[]> df1 = sql("SELECT * FROM %s ", tableName); + + // set the min-input-files = 2, instead of default 5 to allow compaction + List<Object[]> output = sql( + "CALL %s.system.rewrite_data_files(table => '%s', options => map('min-input-files','2'))", + catalogName, tableIdent); + + assertEquals("Action should rewrite 2 data files and add 1 data files", + ImmutableList.of(row(2, 1)), + output); + + List<Object[]> df2 = sql("SELECT * FROM %s ", tableName); + + Assert.assertEquals("data count should match", df1.size(), df2.size()); + } + + @Test + public void testRewriteDataFilesWithSortStrategy() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName); + + // create 2 files under non-partitioned table + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + + List<Object[]> df1 = sql("SELECT * FROM %s ", tableName); + + // set the min-input-files = 2, instead of default 5 to allow compaction + // set sort_order = id DESC LAST + List<Object[]> output = sql( + "CALL %s.system.rewrite_data_files(table => '%s', options => map('min-input-files','2'), " + + "strategy => 'sort', sort_order => 'id DESC NULLS_LAST')", + catalogName, tableIdent); + + assertEquals("Action should rewrite 2 data files and add 1 data files", + ImmutableList.of(row(2, 1)), + output); + + List<Object[]> df2 = sql("SELECT * FROM %s ", tableName); + + Assert.assertEquals("data count should match", df1.size(), df2.size()); + } + + @Test + public void testRewriteDataFilesWithFilter() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName); + + // create 10 files under non-partitioned table + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + + List<Object[]> df1 = sql("SELECT * FROM %s ", tableName); + + // select only 5 files for compaction (files having id = 1) + List<Object[]> output = sql( + "CALL %s.system.rewrite_data_files(table => '%s'," + + " where => 'id = 1 and data is not null')", catalogName, tableIdent); Review comment: https://github.com/apache/iceberg/pull/3375/files#r748676338 -- This is an automated message from the Apache Git Service. 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