??????????
------------------ ???????? ------------------ ??????: "user-zh" <acqua....@gmail.com>; ????????: 2020??7??15??(??????) ????5:23 ??????: "user-zh"<user-zh@flink.apache.org>; ????: Re: pyflink1.11.0window ??????????????kafka????json???????????? ????????????????????es?? ???????????????????? ?????????????????? ?????????????????????????????? from pyflink.datastream import StreamExecutionEnvironment, TimeCharacteristic from pyflink.table import StreamTableEnvironment, DataTypes, EnvironmentSettings from pyflink.table.udf import udf @udf(input_types=[DataTypes.INT()], result_type=DataTypes.STRING()) def platform_code_to_name(code): return "mobile" if code == 0 else "pc" def log_processing(): env = StreamExecutionEnvironment.get_execution_environment() env.set_stream_time_characteristic(TimeCharacteristic.EventTime) env_settings = EnvironmentSettings.Builder().use_blink_planner().build() t_env = StreamTableEnvironment.create(stream_execution_environment=env, environment_settings=env_settings) source_ddl = """ CREATE TABLE payment_msg( createTime VARCHAR, rt as TO_TIMESTAMP(createTime), orderId BIGINT, payAmount DOUBLE, payPlatform INT, paySource INT, WATERMARK FOR rt as rt - INTERVAL '2' SECOND ) WITH ( 'connector.type' = 'kafka', 'connector.version' = 'universal', 'connector.topic' = 'payment_msg_2', 'connector.properties.bootstrap.servers' = '0.0.0.0:9092', 'connector.properties.group.id' = 'test_3', 'connector.startup-mode' = 'latest-offset', 'format.type' = 'json' ) """ t_env.sql_update(source_ddl) es_sink_ddl = """ CREATE TABLE es_sink ( platform VARCHAR, pay_amount DOUBLE, rowtime TIMESTAMP(3) ) with ( 'connector.type' = 'elasticsearch', 'connector.version' = '7', 'connector.hosts' = 'http://localhost:9200', 'connector.index' = 'platform_pay_amount_1', 'connector.document-type' = 'payment', 'update-mode' = 'upsert', 'connector.flush-on-checkpoint' = 'true', 'connector.key-delimiter' = '$', 'connector.key-null-literal' = 'n/a', 'connector.bulk-flush.max-size' = '42mb', 'connector.bulk-flush.max-actions' = '32', 'connector.bulk-flush.interval' = '1000', 'connector.bulk-flush.backoff.delay' = '1000', 'format.type' = 'json' ) """ t_env.sql_update(es_sink_ddl) t_env.register_function('platformcodetoname', platform_code_to_name) query = """ select platformcodetoname(payPlatform) as platform, sum(payAmount) as pay_amount, cast(tumble_start(rt, interval '5' seconds) as BIGINT) as rowtime from payment_msg group by tumble(rt, interval '5' seconds), payPlatform """ count_result = t_env.sql_query(query) t_env.create_temporary_view('windowed_values', count_result) query2 = """ select platform, last_value(pay_amount), rowtime from windowed_values group by platform, rowtime """ final_result = t_env.sql_query(query2) final_result.execute_insert(table_path='es_sink') if __name__ == '__main__': log_processing() ?????????????? <1129656...@qq.com> ??2020??7??15?????? ????4:40?????? > &nbsp;Shuiqiang???????? > &nbsp; &nbsp; > &nbsp;hi????????????????????????????????????????????????????????2-from_kafka_to_kafka.py??????????????????????????????????????????????demo????????????????????????????????????demo?????????????????????????????????????????????????????????????????? > > > ???????????????????????????? > > > ?????? > > > > > ------------------&nbsp;????????&nbsp;------------------ > ??????: > "user-zh" > < > acqua....@gmail.com&gt;; > ????????:&nbsp;2020??7??15??(??????) ????11:25 > ??????:&nbsp;"user-zh"<user-zh@flink.apache.org&gt;; > > ????:&nbsp;Re: pyflink1.11.0window > > > > ????sql???? > select platformcodetoname(payPlatform) as platform, sum(payAmount) as > pay_amount, cast(tumble_start(rt, interval '5' seconds) as BIGINT) as > rowtime > from payment_msg group by tumble(rt, interval '5' seconds), payPlatform > ????query ????5s??tumble???????????? > > ?????????????? <1129656...@qq.com&gt; ??2020??7??15?????? ????11:10?????? > > &gt; Shuiqiang???????? > &gt; &amp;nbsp; > &amp;nbsp;??????????????????????????????????????????????????????????????????????????????????????window?? > &gt; > &gt; > &gt; ------------------&amp;nbsp;????????&amp;nbsp;------------------ > &gt; ??????: > &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; > "user-zh" > &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; > < > &gt; acqua....@gmail.com&amp;gt;; > &gt; ????????:&amp;nbsp;2020??7??15??(??????) ????10:51 > &gt; ??????:&amp;nbsp;"user-zh"<user-zh@flink.apache.org&amp;gt;; > &gt; > &gt; ????:&amp;nbsp;Re: pyflink1.11.0window > &gt; > &gt; > &gt; > &gt; ?????????? > &gt; ??????????org.apache.flink.table.api.ValidationException: A tumble window > &gt; expects a size value literal. > &gt; ????????????tumble window???????????????????? > &gt; > &gt; Best, > &gt; Shuiqiang > &gt; > &gt; ?????????????? <1129656...@qq.com&amp;gt; ??2020??7??15?????? ????10:27?????? > &gt; > &gt; &amp;gt; ?????? > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; > &gt; &amp;gt; > &gt; > &amp;amp;nbsp;??????????????????????source??????????????????????????????????????????????????window?????????????????????????????? > &gt; &amp;gt; Traceback (most recent call last): > &gt; &amp;gt; &amp;amp;nbsp; File "tou.py", line 71, in <module&amp;amp;gt; > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; from_kafka_to_kafka_demo() > &gt; &amp;gt; &amp;amp;nbsp; File "tou.py", line 21, in > from_kafka_to_kafka_demo > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; .select(" id,&amp;amp;nbsp; > time1 , time1 ")\ > &gt; &amp;gt; &amp;amp;nbsp; File > &gt; &amp;gt; > "/usr/local/lib/python3.7/site-packages/pyflink/table/table.py", line > &gt; 907, > &gt; &amp;gt; in select > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; return > Table(self._j_table.select(fields), > &gt; self._t_env) > &gt; &amp;gt; &amp;amp;nbsp; File > &gt; "/usr/local/lib/python3.7/site-packages/py4j/java_gateway.py", > &gt; &amp;gt; line 1286, in __call__ > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; answer, self.gateway_client, > self.target_id, > &gt; self.name) > &gt; &amp;gt; &amp;amp;nbsp; File > &gt; &amp;gt; > "/usr/local/lib/python3.7/site-packages/pyflink/util/exceptions.py", > &gt; line > &gt; &amp;gt; 147, in deco > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; return f(*a, **kw) > &gt; &amp;gt; &amp;amp;nbsp; File > &gt; "/usr/local/lib/python3.7/site-packages/py4j/protocol.py", > &gt; &amp;gt; line 328, in get_return_value > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; format(target_id, ".", name), > value) > &gt; &amp;gt; py4j.protocol.Py4JJavaError: An error occurred while calling > &gt; o26.select. > &gt; &amp;gt; : org.apache.flink.table.api.ValidationException: A tumble > window > &gt; expects > &gt; &amp;gt; a size value literal. > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.table.operations.utils.AggregateOperationFactory.getAsValueLiteral(AggregateOperationFactory.java:384) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.table.operations.utils.AggregateOperationFactory.validateAndCreateTumbleWindow(AggregateOperationFactory.java:302) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.table.operations.utils.AggregateOperationFactory.createResolvedWindow(AggregateOperationFactory.java:236) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.table.operations.utils.OperationTreeBuilder.windowAggregate(OperationTreeBuilder.java:250) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.table.api.internal.TableImpl$WindowGroupedTableImpl.select(TableImpl.java:794) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.table.api.internal.TableImpl$WindowGroupedTableImpl.select(TableImpl.java:781) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; java.lang.reflect.Method.invoke(Method.java:498) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.api.python.shaded.py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.api.python.shaded.py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.api.python.shaded.py4j.Gateway.invoke(Gateway.java:282) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.api.python.shaded.py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.api.python.shaded.py4j.commands.CallCommand.execute(CallCommand.java:79) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; &amp;gt; > &gt; > org.apache.flink.api.python.shaded.py4j.GatewayConnection.run(GatewayConnection.java:238) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > at > &gt; java.lang.Thread.run(Thread.java:748) > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; def register_rides_source(st_env): > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; source_ddl = \ > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; """ > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; create table source1( > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;id int, > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;time1 timestamp, > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;type string, > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;WATERMARK FOR > time1 as time1 - > &gt; INTERVAL '2' SECOND > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;) with ( > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; 'connector.type' = 'kafka', > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; 'update-mode' = 'append', > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; 'connector.topic' = 'tp1', > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; > 'connector.properties.bootstrap.servers' = > &gt; 'localhost:9092', > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; > 'connector.properties.zookeeper.connect' = > &gt; 'localhost:2181', > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; 'format.type' = 'json', > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; 'format.derive-schema' = > 'true', > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; 'connector.version' = > 'universal' > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp;) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; """ > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; st_env.sql_update(source_ddl) > &gt; &amp;gt; > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp;&amp;amp;nbsp; > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; s_env = > &gt; &amp;gt; StreamExecutionEnvironment.get_execution_environment() > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; s_env.set_parallelism(1) > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; st_env = > StreamTableEnvironment.create(s_env) > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; register_rides_source(st_env) > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; register_rides_sink(st_env) > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; st_env.from_path("source1")\ > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > &gt; &amp;gt; .window(Tumble.over("2.secends").on("time1").alias("w")) \ > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > .group_by("w") \ > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > .select(" id,&amp;amp;nbsp; > &gt; time1 , time1 ")\ > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; &amp;amp;nbsp; > .insert_into("sink1") > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp;&amp;amp;nbsp; > &gt; &amp;gt; &amp;amp;nbsp; &amp;amp;nbsp; > st_env.execute("2-from_kafka_to_kafka") > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; ???????? > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > ------------------&amp;amp;nbsp;????????&amp;amp;nbsp;------------------ > &gt; &amp;gt; ??????: > &gt; > &amp;gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; > &gt; "user-zh" > &gt; > &amp;gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; > &gt; < > &gt; &amp;gt; acqua....@gmail.com&amp;amp;gt;; > &gt; &amp;gt; ????????:&amp;amp;nbsp;2020??7??10??(??????) ????9:17 > &gt; &amp;gt; ??????:&amp;amp;nbsp;"user-zh"<user-zh@flink.apache.org > &amp;amp;gt;; > &gt; &amp;gt; > &gt; &amp;gt; ????:&amp;amp;nbsp;Re: pyflink1.11.0window > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; > &gt; &amp;gt; ?????????? > &gt; &amp;gt; > &gt; &amp;gt; ????source ddl????????time1?? time attribute???? > &gt; &amp;gt; create table source1( > &gt; &amp;gt; > &gt; > &amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp; > id > &gt; int, > &gt; &amp;gt; > &gt; > &amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp; > &gt; time1 timestamp, > &gt; &amp;gt; > &gt; > &amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp; > type > &gt; string, > &gt; &amp;gt; > &gt; > &amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp; > &gt; WATERMARK FOR time1 as time1 - > &gt; &amp;gt; INTERVAL '2' SECOND > &gt; &amp;gt; ) with (...) > &gt; &amp;gt; > &gt; &amp;gt; ?????????????? <1129656...@qq.com&amp;amp;gt; ??2020??7??10?????? > ????8:43?????? > &gt; &amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; > ------------------&amp;amp;amp;nbsp;????????&amp;amp;amp;nbsp;------------------ > &gt; &amp;gt; &amp;amp;gt; ??????: > &gt; &amp;gt; > &gt; > &amp;amp;gt;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp; > &gt; &amp;gt; "??????????????" > &gt; &amp;gt; > &gt; > &amp;amp;gt;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp;&amp;amp;nbsp; > &gt; &amp;gt; < > &gt; &amp;gt; &amp;amp;gt; 1129656...@qq.com&amp;amp;amp;gt;; > &gt; &amp;gt; &amp;amp;gt; ????????:&amp;amp;amp;nbsp;2020??7??9??(??????) ????5:08 > &gt; &amp;gt; &amp;amp;gt; ??????:&amp;amp;amp;nbsp;"godfrey he"< > godfre...@gmail.com > &gt; &amp;amp;amp;gt;; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; ????:&amp;amp;amp;nbsp;pyflink1.11.0window > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; ?????? > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;????????pyflink1.11????????window???????????? > &gt; &amp;gt; &amp;amp;gt; : > org.apache.flink.table.api.ValidationException: A group > &gt; window > &gt; &amp;gt; expects a > &gt; &amp;gt; &amp;amp;gt; time attribute for grouping in a stream > environment. > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; ???????????????????????????????????????????????????????????????????????????????????????? > &gt; &amp;gt; &amp;amp;gt; ???????? > &gt; &amp;gt; &amp;amp;gt; ???? > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; def from_kafka_to_kafka_demo(): > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; s_env = > &gt; &amp;gt; &amp;amp;gt; > StreamExecutionEnvironment.get_execution_environment() > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > s_env.set_parallelism(1) > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; # use > blink table planner > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; st_env = > &gt; StreamTableEnvironment.create(s_env) > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; # > register source and sink > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > register_rides_source(st_env) > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > register_rides_sink(st_env) > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > st_env.from_path("source1")\ > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; &amp;gt; &amp;amp;gt; > .window(Tumble.over("1.secends").on("time1").alias("w")) \ > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; .group_by("w") \ > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; .select(" id,&amp;amp;amp;nbsp; > &gt; &amp;gt; time1 , time1 ")\ > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; .insert_into("sink1") > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; st_env.execute("2-from_kafka_to_kafka") > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; def register_rides_source(st_env): > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > source_ddl = \ > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; ''' > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; create > table source1( > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; id int, > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;time1 timestamp, > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;type string > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;) with ( > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > 'connector.type' = 'kafka', > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > 'update-mode' = 'append', > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > 'connector.topic' = 'tp1', > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; 'connector.properties.bootstrap.servers' = > &gt; &amp;gt; 'localhost:9092' > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;) > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; ''' > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > st_env.sql_update(source_ddl) > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; def register_rides_sink(st_env): > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; sink_ddl > = \ > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; ''' > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; create > table sink1( > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; id int, > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;time1 timestamp, > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;time2 timestamp > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;) with ( > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > 'connector.type' = 'kafka', > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > 'update-mode' = 'append', > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > 'connector.topic' = 'tp3', > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &gt; 'connector.properties.bootstrap.servers' = > &gt; &amp;gt; 'localhost:9092' > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > &amp;amp;amp;nbsp;) > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; ''' > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > st_env.sql_update(sink_ddl) > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; if __name__ == '__main__': > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp; > from_kafka_to_kafka_demo() > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; > &gt; &amp;gt; &amp;amp;gt; &amp;amp;amp;nbsp; &amp;amp;amp;nbsp;