RussellSpitzer commented on a change in pull request #3317: URL: https://github.com/apache/iceberg/pull/3317#discussion_r734030952
########## File path: spark/v3.0/spark3-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestAncestorsOfProcedure.java ########## @@ -0,0 +1,160 @@ +/* + * 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.Table; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; +import org.apache.spark.sql.AnalysisException; +import org.junit.After; +import org.junit.Test; + +public class TestAncestorsOfProcedure extends SparkExtensionsTestBase { + + public TestAncestorsOfProcedure( + String catalogName, + String implementation, + Map<String, String> config) { + super(catalogName, implementation, config); + } + + @After + public void removeTables() { + sql("DROP TABLE IF EXISTS %s", tableName); + } + + @Test + public void testAncestorOfUsingEmptyArgs() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + + Table table = validationCatalog.loadTable(tableIdent); + Long currentSnapshotId = table.currentSnapshot().snapshotId(); + Long currentTimestamp = table.currentSnapshot().timestampMillis(); + Long preSnapshotId = table.currentSnapshot().parentId(); + Long preTimeStamp = table.snapshot(table.currentSnapshot().parentId()).timestampMillis(); + + List<Object[]> output = sql("CALL %s.system.ancestors_of('%s')", + catalogName, tableIdent); + + assertEquals( + "Procedure output must match", + ImmutableList.of(row(currentSnapshotId, currentTimestamp), row(preSnapshotId, preTimeStamp)), + output); + } + + @Test + public void testAncestorOfUsingSnapshotId() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + + Table table = validationCatalog.loadTable(tableIdent); + Long currentSnapshotId = table.currentSnapshot().snapshotId(); + Long currentTimestamp = table.currentSnapshot().timestampMillis(); + Long preSnapshotId = table.currentSnapshot().parentId(); + Long preTimeStamp = table.snapshot(table.currentSnapshot().parentId()).timestampMillis(); + + assertEquals( + "Procedure output must match", + ImmutableList.of(row(currentSnapshotId, currentTimestamp), row(preSnapshotId, preTimeStamp)), + sql("CALL %s.system.ancestors_of('%s', %dL)", catalogName, tableIdent, currentSnapshotId)); + + assertEquals( + "Procedure output must match", + ImmutableList.of(row(preSnapshotId, preTimeStamp)), + sql("CALL %s.system.ancestors_of('%s', %dL)", catalogName, tableIdent, preSnapshotId)); + } + + @Test + public void testAncestorOfWithRollBack() { + sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg", tableName); + Table table = validationCatalog.loadTable(tableIdent); + sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName); + table.refresh(); + Long firstSnapshotId = table.currentSnapshot().snapshotId(); + Long firstTimestamp = table.currentSnapshot().timestampMillis(); + sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName); + table.refresh(); + Long secondSnapshotId = table.currentSnapshot().snapshotId(); + Long secondTimestamp = table.currentSnapshot().timestampMillis(); + sql("INSERT INTO TABLE %s VALUES (3, 'c')", tableName); + table.refresh(); + Long thirdSnapshotId = table.currentSnapshot().snapshotId(); + Long thirdTimestamp = table.currentSnapshot().timestampMillis(); + + // roll back + sql("CALL %s.system.rollback_to_snapshot('%s', %dL)", + catalogName, tableIdent, secondSnapshotId); + + sql("INSERT INTO TABLE %s VALUES (4, 'd')", tableName); + table.refresh(); + Long fourthSnapshotId = table.currentSnapshot().snapshotId(); + Long fourthTimestamp = table.currentSnapshot().timestampMillis(); + + assertEquals( + "Procedure output must match", + ImmutableList.of(row(fourthSnapshotId, fourthTimestamp), row(secondSnapshotId, secondTimestamp), row( Review comment: nit: I would put each row on a new line to make it easier to read -- This is an automated message from the Apache Git Service. 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