dawidwys commented on code in PR #23686: URL: https://github.com/apache/flink/pull/23686#discussion_r1387979621
########## flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/plan/nodes/exec/stream/DeduplicationTestPrograms.java: ########## @@ -0,0 +1,151 @@ +/* + * 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.flink.table.planner.plan.nodes.exec.stream; + +import org.apache.flink.table.test.program.SinkTestStep; +import org.apache.flink.table.test.program.SourceTestStep; +import org.apache.flink.table.test.program.TableTestProgram; +import org.apache.flink.types.Row; +import org.apache.flink.types.RowKind; + +/** {@link TableTestProgram} definitions for testing {@link StreamExecDeduplicate}. */ +public class DeduplicationTestPrograms { + + static final Row[] DATA1 = { + Row.of(1L, "terry", "pen", 1000L), + Row.of(2L, "alice", "pen", 2000L), + Row.of(3L, "bob", "pen", 3000L), + Row.of(4L, "bob", "apple", 4000L), + Row.of(5L, "fish", "apple", 5000L) + }; + + static final Row[] DATA2 = { + Row.of(6L, "jerry", "pen", 6000L), + Row.of(7L, "larry", "apple", 7000L), + Row.of(8L, "bill", "banana", 8000L), + Row.of(9L, "carol", "apple", 9000L) + }; + + static final TableTestProgram DEDUPLICATE = + TableTestProgram.of("deduplicate-asc", "validates deduplication in ascending") + .setupTableSource( + SourceTestStep.newBuilder("MyTable") + .addSchema( + "order_id bigint", + "`user` varchar", + "product varchar", + "order_time bigint ", + "event_time as TO_TIMESTAMP(FROM_UNIXTIME(order_time)) ", + "watermark for event_time as event_time - INTERVAL '5' second ") + .producedBeforeRestore(DATA1) + .producedAfterRestore(DATA2) + .build()) + .setupTableSink( + SinkTestStep.newBuilder("MySink") + .addSchema( + "order_id bigint", + "`user` varchar", + "product varchar", + "order_time bigint", + "primary key(product) not enforced") + .consumedBeforeRestore( + Row.of(1, "terry", "pen", 1000), + Row.of(4, "bob", "apple", 4000)) + .consumedAfterRestore(Row.of(8L, "bill", "banana", 8000L)) + .build()) + .runSql( + "insert into MySink " + + "select order_id, user, product, order_time \n" + + "FROM (" + + " SELECT *," + + " ROW_NUMBER() OVER (PARTITION BY product ORDER BY event_time ASC) AS row_num\n" + + " FROM MyTable)" + + "WHERE row_num = 1") + .build(); + + static final TableTestProgram DEDUPLICATE_DESC = + TableTestProgram.of("deduplicate-desc", "validates deduplication in descending") + .setupTableSource( + SourceTestStep.newBuilder("MyTable") + .addSchema( + "order_id bigint", + "`user` varchar", + "product varchar", + "order_time bigint ", + "event_time as TO_TIMESTAMP(FROM_UNIXTIME(order_time)) ", + "watermark for event_time as event_time - INTERVAL '5' second ") + .producedBeforeRestore(DATA1) + .producedAfterRestore(DATA2) + .build()) + .setupTableSink( + SinkTestStep.newBuilder("MySink") + .addSchema( + "order_id bigint", + "`user` varchar", + "product varchar", + "order_time bigint", + "primary key(product) not enforced") + .consumedBeforeRestore( + Row.of(1L, "terry", "pen", 1000L), + Row.ofKind( + RowKind.UPDATE_AFTER, + 2L, + "alice", + "pen", + 2000L), + Row.ofKind( + RowKind.UPDATE_AFTER, 3L, "bob", "pen", 3000L), + Row.of(4L, "bob", "apple", 4000L), + Row.ofKind( + RowKind.UPDATE_AFTER, + 5L, + "fish", + "apple", + 5000L)) + .consumedAfterRestore( Review Comment: Why is there no `banana`? ########## flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/plan/nodes/exec/stream/DeduplicationTestPrograms.java: ########## @@ -0,0 +1,151 @@ +/* + * 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.flink.table.planner.plan.nodes.exec.stream; + +import org.apache.flink.table.test.program.SinkTestStep; +import org.apache.flink.table.test.program.SourceTestStep; +import org.apache.flink.table.test.program.TableTestProgram; +import org.apache.flink.types.Row; +import org.apache.flink.types.RowKind; + +/** {@link TableTestProgram} definitions for testing {@link StreamExecDeduplicate}. */ +public class DeduplicationTestPrograms { + + static final Row[] DATA1 = { + Row.of(1L, "terry", "pen", 1000L), + Row.of(2L, "alice", "pen", 2000L), + Row.of(3L, "bob", "pen", 3000L), + Row.of(4L, "bob", "apple", 4000L), + Row.of(5L, "fish", "apple", 5000L) + }; + + static final Row[] DATA2 = { + Row.of(6L, "jerry", "pen", 6000L), + Row.of(7L, "larry", "apple", 7000L), + Row.of(8L, "bill", "banana", 8000L), + Row.of(9L, "carol", "apple", 9000L) + }; + + static final TableTestProgram DEDUPLICATE = + TableTestProgram.of("deduplicate-asc", "validates deduplication in ascending") + .setupTableSource( + SourceTestStep.newBuilder("MyTable") + .addSchema( + "order_id bigint", + "`user` varchar", + "product varchar", + "order_time bigint ", + "event_time as TO_TIMESTAMP(FROM_UNIXTIME(order_time)) ", + "watermark for event_time as event_time - INTERVAL '5' second ") + .producedBeforeRestore(DATA1) + .producedAfterRestore(DATA2) + .build()) + .setupTableSink( + SinkTestStep.newBuilder("MySink") + .addSchema( + "order_id bigint", + "`user` varchar", + "product varchar", + "order_time bigint", + "primary key(product) not enforced") + .consumedBeforeRestore( + Row.of(1, "terry", "pen", 1000), + Row.of(4, "bob", "apple", 4000)) + .consumedAfterRestore(Row.of(8L, "bill", "banana", 8000L)) + .build()) + .runSql( + "insert into MySink " + + "select order_id, user, product, order_time \n" + + "FROM (" + + " SELECT *," + + " ROW_NUMBER() OVER (PARTITION BY product ORDER BY event_time ASC) AS row_num\n" + + " FROM MyTable)" + + "WHERE row_num = 1") + .build(); + + static final TableTestProgram DEDUPLICATE_DESC = Review Comment: I like the idea of adding the test. The behaviour is so different that I think it's worth having a test for it. -- 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: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org