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Posted to issues@flink.apache.org by "mzz (Jira)" <ji...@apache.org> on 2020/07/21 06:22:00 UTC

[jira] [Comment Edited] (FLINK-18652) JDBCAppendTableSink to ClickHouse (data always repeating)

    [ https://issues.apache.org/jira/browse/FLINK-18652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17161751#comment-17161751 ] 

mzz edited comment on FLINK-18652 at 7/21/20, 6:21 AM:
-------------------------------------------------------

[~jark]
When I look at the UI, I find that the subtask of sink has no data, but other operators have data。and chekpoint always failed on  sink operators。
 !FLINK-UI.png! 


was (Author: mzz_q):
When I look at the UI, I find that the subtask of sink has no data, but other operators have data。and chekpoint always failed on  sink operators。
 !FLINK-UI.png! 

> JDBCAppendTableSink  to  ClickHouse  (data  always  repeating)
> --------------------------------------------------------------
>
>                 Key: FLINK-18652
>                 URL: https://issues.apache.org/jira/browse/FLINK-18652
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / API
>    Affects Versions: 1.10.0
>            Reporter: mzz
>            Priority: Critical
>         Attachments: FLINK-UI.png, checkpoint-failed.png
>
>
> Hi all,
>    data stream is : kafka->flinkSQL->clickhouse。
>    The  window is 15 min,but,15 minutes after the first time, the data kepping repeat sink to ClickHouse, plz  help me ,thx。
> {code:java}
> *// data source from kafka 
> * streamTableEnvironment.sqlUpdate(createTableSql)
>     LOG.info("kafka source table has created !")
>     val groupTable = streamTableEnvironment.sqlQuery(tempSql)
>     streamTableEnvironment.createTemporaryView("aggs_temp_table", groupTable)
> *// this is window sql  ,use ProcessingTime
> *    val re_table = streamTableEnvironment.sqlQuery(windowSql)
>     re_table.printSchema()
>     //    groupTable.printSchema()
>     val rr = streamTableEnvironment.toAppendStream[Result](re_table)
> * // The data here is printed normally
> *    rr.print()
>     streamTableEnvironment.createTemporaryView("result_table", rr)
>     val s = streamTableEnvironment.sqlQuery(sql)
> *// sink to clickhouse*
>     val sink: JDBCAppendTableSink = JDBCAppendTableSink.builder()
>       .setDrivername("ru.yandex.clickhouse.ClickHouseDriver")
>       .setDBUrl(URL)
>       .setQuery(insertCKSql)
>       .setUsername(USERNAME)
>       .setPassword(PASSWORD)
>       .setBatchSize(10000)
>       .setParameterTypes(
>         Types.LONG, Types.LONG, Types.STRING, Types.STRING, Types.STRING, Types.STRING,
>         Types.STRING, Types.STRING, Types.STRING, Types.LONG, Types.LONG, Types.FLOAT,
>         Types.LONG, Types.FLOAT, Types.LONG, Types.FLOAT, Types.FLOAT, Types.FLOAT, Types.LONG()
>       )
>       .build()
>     streamTableEnvironment.registerTableSink("ckResult", Array[String]("data_date", "point", "platform", "page_name", "component_name", "booth_name", "position1", "advertiser",
>       "adv_code", "request_num", "return_num", "fill_rate", "expose_num", "expose_rate", "click_num", "click_rate", "ecpm", "income", "created_at"),
>       Array[TypeInformation[_]](Types.LONG, Types.LONG, Types.STRING, Types.STRING, Types.STRING, Types.STRING, Types.STRING, Types.STRING, Types.STRING, Types.LONG, Types.LONG, Types.FLOAT, Types.LONG, Types.FLOAT, Types.LONG, Types.FLOAT, Types.FLOAT, Types.FLOAT, Types.LONG()),
>       sink)
> // insert into TableSink
>     s.insertInto("ckResult")
> {code}



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