VasShabu commented on code in PR #29365: URL: https://github.com/apache/flink/pull/29365#discussion_r4313365050
########## flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/plan/nodes/exec/stream/DeduplicateKeepFirstRestoreTestPrograms.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.api.config.ExecutionConfigOptions; +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; + +import java.time.Duration; +import java.time.Instant; + +/** Restore {@link TableTestProgram}s for the built-in DEDUPLICATE_KEEP_FIRST PTF. */ +public class DeduplicateKeepFirstRestoreTestPrograms { + + private static final String[] USER_EVENTS_SCHEMA = {"user_name STRING", "action STRING"}; + + private static final String[] TIMED_EVENTS_SCHEMA = { + "user_name STRING", + "action STRING", + "ts TIMESTAMP_LTZ(3)", + "WATERMARK FOR ts AS ts - INTERVAL '0.001' SECOND" + }; + + public static final TableTestProgram KEYED_RESTORE = + TableTestProgram.of( + "deduplicate-keep-first-keyed-restore", + "the keep-first 'seen' state restores via compiled plan + savepoint: " + + "an already-seen key stays deduplicated after restore, and a " + + "key first observed after restore is emitted") + .setupTableSource( + SourceTestStep.newBuilder("user_events") + .addSchema(USER_EVENTS_SCHEMA) + .producedBeforeRestore( + Row.of("Vas", "login"), Row.of("Vas", "click")) + .producedAfterRestore( + Row.of("Vas", "logout"), Row.of("Alice", "hello")) + .build()) + .setupTableSink( + SinkTestStep.newBuilder("sink") + .addSchema(USER_EVENTS_SCHEMA) + .consumedBeforeRestore( + Row.ofKind(RowKind.INSERT, "Vas", "login")) + .consumedAfterRestore( + Row.ofKind(RowKind.INSERT, "Alice", "hello")) + .build()) + .runSql( + "INSERT INTO sink SELECT * FROM DEDUPLICATE_KEEP_FIRST(" + + "input => TABLE user_events PARTITION BY user_name)") + .build(); + + public static final TableTestProgram EVENT_TIME_PENDING_RESTORE = + TableTestProgram.of( + "deduplicate-keep-first-event-time-pending-restore", + "an event-time candidate buffered but not yet finalized (its timer has " + + "not fired) survives the savepoint: after restore, the " + + "watermark advances and the buffered candidate is emitted") + .setupTableSource( + SourceTestStep.newBuilder("user_events") + .addSchema(TIMED_EVENTS_SCHEMA) + .producedBeforeRestore( + Row.of("Bob", "first", Instant.ofEpochMilli(5))) + .producedAfterRestore( + Row.of("Bob", "later", Instant.ofEpochMilli(100))) + .build()) + .setupTableSink( + SinkTestStep.newBuilder("sink") + .addSchema(USER_EVENTS_SCHEMA) + .consumedBeforeRestore(new Row[0]) + .consumedAfterRestore( + Row.ofKind(RowKind.INSERT, "Bob", "first")) + .build()) + .runSql( + "INSERT INTO sink SELECT user_name, action FROM DEDUPLICATE_KEEP_FIRST(" + + "input => TABLE user_events PARTITION BY user_name, " + + "on_time => DESCRIPTOR(ts))") + .build(); + + public static final TableTestProgram TTL_EXPIRED_RESTORE = + TableTestProgram.of( + "deduplicate-keep-first-ttl-expired-restore", + "the 'seen' state in the savepoint has outlived state_ttl by the time " + + "the test restores it, so an already-seen key is emitted " + + "again in a new deduplication period") + .setupTableSource( + SourceTestStep.newBuilder("user_events") + .addSchema(USER_EVENTS_SCHEMA) + .producedBeforeRestore( + Row.of("Vas", "login"), Row.of("Vas", "click")) + .producedAfterRestore(Row.of("Vas", "logout")) + .build()) + .setupTableSink( + SinkTestStep.newBuilder("sink") + .addSchema(USER_EVENTS_SCHEMA) + .consumedBeforeRestore( + Row.ofKind(RowKind.INSERT, "Vas", "login")) + .consumedAfterRestore( + Row.ofKind(RowKind.INSERT, "Vas", "logout")) + .build()) + .runSql( + "INSERT INTO sink SELECT * FROM DEDUPLICATE_KEEP_FIRST(" + + "input => TABLE user_events PARTITION BY user_name, " + + "state_ttl => INTERVAL '10' SECOND)") + .build(); + + public static final TableTestProgram GLOBAL_TTL_EXPIRED_RESTORE = Review Comment: dropped -- This is an automated message from the Apache Git Service. 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