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changxue commented on IOTDB-4935: --------------------------------- validate 方法也掉用了多次 !image-2022-11-15-15-59-33-222.png! > [UDF] beforeStart and beforeDestroy would be called more than once > ------------------------------------------------------------------ > > Key: IOTDB-4935 > URL: https://issues.apache.org/jira/browse/IOTDB-4935 > Project: Apache IoTDB > Issue Type: Bug > Affects Versions: 0.14.0-SNAPSHOT > Reporter: changxue > Assignee: Yuan Tian > Priority: Minor > Attachments: normla-udf-0.14-SNAPSHOT.jar > > > [UDF] beforeStart and beforeDestroy would be called more than once > 文档中,说明了这两个方法只会被调用一次,但是实际结果并非如此。 > reproduction: > {code} > create function count_sec as > "com.timecho.udf.normal.TestSessionTimeWindowAccessStrategy"; > CREATE DATABASE root.udf; > CREATE TIMESERIES root.udf.d1.s1 WITH DATATYPE=text, ENCODING=PLAIN; > CREATE TIMESERIES root.udf.d1.s2 WITH DATATYPE=text, ENCODING=PLAIN; > insert into root.udf.d1 (time, s1, s2) values (1, 'udf', 'trigger'),(2, > 'some' , 'old'),(3, null, 'trigger'),(9, 'udf', 'new'),(5, 'woman', > 'udf'),(12, 'trigger', null),(14, 'udf', 14),(18, 'udf', 16),(21, 'trigger', > 18),(24, 'udf', 20); > select count_sec(s1, 'max_interval'=4, 'standard'='null') from root.udf.d1; > {code} > {code:shell} > 2022-11-15 10:56:00,949 > [pool-25-IoTDB-ClientRPC-Processor-6$20221115_025601_00221_1] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:25 - ###### TestSessionTimeWindow > # beforeStart ####### > 2022-11-15 10:56:00,949 > [pool-25-IoTDB-ClientRPC-Processor-6$20221115_025601_00221_1] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:26 - attributes: {max_interval=4, > standard=null} > 2022-11-15 10:56:00,949 > [pool-25-IoTDB-ClientRPC-Processor-6$20221115_025601_00221_1] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:57 - ###### TestSessionTimeWindow > # beforeDestroy ####### > 2022-11-15 10:56:00,951 > [pool-21-IoTDB-MPPCoordinator-1$20221115_025601_00221_1.1.0] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:25 - ###### TestSessionTimeWindow > # beforeStart ####### > 2022-11-15 10:56:00,951 > [pool-21-IoTDB-MPPCoordinator-1$20221115_025601_00221_1.1.0] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:26 - attributes: {max_interval=4, > standard=null} > 2022-11-15 10:56:00,951 > [pool-21-IoTDB-MPPCoordinator-1$20221115_025601_00221_1.1.0] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:57 - ###### TestSessionTimeWindow > # beforeDestroy ####### > 2022-11-15 10:56:00,951 > [pool-21-IoTDB-MPPCoordinator-1$20221115_025601_00221_1.1.0] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:25 - ###### TestSessionTimeWindow > # beforeStart ####### > 2022-11-15 10:56:00,951 > [pool-21-IoTDB-MPPCoordinator-1$20221115_025601_00221_1.1.0] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:26 - attributes: {max_interval=4, > standard=null} > 2022-11-15 10:56:00,951 > [pool-21-IoTDB-MPPCoordinator-1$20221115_025601_00221_1.1.0] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:57 - ###### TestSessionTimeWindow > # beforeDestroy ####### > 2022-11-15 10:56:00,951 > [pool-21-IoTDB-MPPCoordinator-1$20221115_025601_00221_1.1.0] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:25 - ###### TestSessionTimeWindow > # beforeStart ####### > 2022-11-15 10:56:00,952 > [pool-21-IoTDB-MPPCoordinator-1$20221115_025601_00221_1.1.0] INFO > c.t.u.n.TestSessionTimeWindowAccessStrategy:26 - attributes: {max_interval=4, > standard=null} > 2022-11-15 10:56:00,953 [Query-Worker-Thread-0$20221115_025601_00221_1.1.0] > INFO c.t.u.n.TestSessionTimeWindowAccessStrategy:45 - ######### > TestSlidingTimeWindow # [1] 3 ######## > 2022-11-15 10:56:00,953 [Query-Worker-Thread-0$20221115_025601_00221_1.1.0] > INFO c.t.u.n.TestSessionTimeWindowAccessStrategy:45 - ######### > TestSlidingTimeWindow # [9] 3 ######## > 2022-11-15 10:56:00,953 [Query-Worker-Thread-0$20221115_025601_00221_1.1.0] > INFO c.t.u.n.TestSessionTimeWindowAccessStrategy:45 - ######### > TestSlidingTimeWindow # [18] 3 ######## > 2022-11-15 10:56:00,953 [Query-Worker-Thread-0$20221115_025601_00221_1.1.0] > INFO c.t.u.n.TestSessionTimeWindowAccessStrategy:57 - ###### > TestSessionTimeWindow # beforeDestroy ####### {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)