mark，解决flink sql集群提交任务不能指定名字的问题

爱被打了一巴掌 2022-12-13 01:44 196阅读 0赞

1）先上一段代码

>     package com.rookie.submit.main
>     
>     import java.io.File
>     
>     import com.rookie.submit.common.{Common, Constant}
>     import com.rookie.submit.common.Constant._
>     import com.rookie.submit.util.{RegisterUdf, SqlFileUtil, TableConfUtil}
>     import org.apache.flink.api.java.utils.ParameterTool
>     import org.apache.flink.contrib.streaming.state.RocksDBStateBackend
>     import org.apache.flink.runtime.state.StateBackend
>     import org.apache.flink.runtime.state.filesystem.FsStateBackend
>     import org.apache.flink.streaming.api.CheckpointingMode
>     import org.apache.flink.streaming.api.scala.StreamExecutionEnvironment
>     import org.apache.flink.table.api.bridge.scala.StreamTableEnvironment
>     import org.apache.flink.table.api.{EnvironmentSettings, SqlDialect, StatementSet}
>     import org.apache.flink.table.catalog.hive.HiveCatalog
>     import org.slf4j.LoggerFactory
>     
>     import scala.collection.JavaConversions._
>     
>     /**
>       * sqlSubmit main class
>       * input sql file name and execute sql content
>       */
>     object SqlSubmit {
>     
>       private val logger = LoggerFactory.getLogger("SqlSubmit")
>     
>       def main(args: Array[String]): Unit = {
>         // parse input parameter and load job properties
>         val paraTool = Common.init(args)
>     
>         // parse sql file
>         val sqlList = SqlFileUtil.readFile(paraTool.get(INPUT_SQL_FILE_PARA))
>     
>         // StreamExecutionEnvironment
>         val env = StreamExecutionEnvironment.getExecutionEnvironment
>         // state backend and checkpoint
>         enableCheckpoint(env, paraTool)
>         // EnvironmentSettings
>         val settings = EnvironmentSettings.newInstance()
>           .useBlinkPlanner()
>           .inStreamingMode()
>           .build()
>         // create table enviroment
>         val tabEnv = StreamTableEnvironment.create(env, settings)
>         // table Config
>         TableConfUtil.conf(tabEnv, paraTool)
>     
>         // register catalog, only in server
>         if ("/".equals(File.separator)) {
>           //      val catalog = new HiveCatalog(paraTool.get(Constant.HIVE_CATALOG_NAME), paraTool.get(Constant.HIVE_DEFAULT_DATABASE), paraTool.get(Constant.HIVE_CONFIG_PATH), paraTool.get(Constant.HIVE_VERSION))
>           val catalog = new HiveCatalog(paraTool.get(Constant.HIVE_CATALOG_NAME), paraTool.get(Constant.HIVE_DEFAULT_DATABASE), paraTool.get(Constant.HIVE_CONFIG_PATH))
>           tabEnv.registerCatalog(paraTool.get(Constant.HIVE_CATALOG_NAME), catalog)
>           tabEnv.useCatalog(paraTool.get(Constant.HIVE_CATALOG_NAME))
>         }
>     
>         // load udf
>         RegisterUdf.registerUdf(tabEnv)
>     
>         // execute sql
>         val statement = tabEnv.createStatementSet()
>         var result: StatementSet = null
>         for (sql <- sqlList) {
>           try {
>             if (sql.startsWith("insert")) {
>               // ss
>               result = statement.addInsertSql(sql)
>             } else {
>               if (sql.contains("hive_table_")) {
>                 tabEnv.getConfig().setSqlDialect(SqlDialect.HIVE)
>               } else {
>                 tabEnv.getConfig().setSqlDialect(SqlDialect.DEFAULT)
>               }
>               logger.info("dialect : " + tabEnv.getConfig.getSqlDialect)
>               println("dialect : " + tabEnv.getConfig.getSqlDialect)
>               tabEnv.executeSql(sql)
>             }
>             logger.info("execute success : " + sql)
>             println("execute success : " + sql)
>           } catch {
>             case e: Exception =>
>               println("execute sql error : " + sql)
>               logger.error("execute sql error : " + sql, e)
>               e.printStackTrace()
>               System.exit(-1)
>           }
>         }
>         // execute insert
>         result.execute(Common.jobName)
>     //    result.execute()
>         // not need, sql will execute when call executeSql
>         //    env.execute(Common.jobName)
>       }
>     
>       def enableCheckpoint(env: StreamExecutionEnvironment, paraTool: ParameterTool): Unit = {
>         // state backend
>         var stateBackend: StateBackend = null
>         if ("rocksdb".equals(paraTool.get(STATE_BACKEND))) {
>           stateBackend = new RocksDBStateBackend(paraTool.get(CHECKPOINT_DIR), true)
>         } else {
>           stateBackend = new FsStateBackend(paraTool.get(CHECKPOINT_DIR), true)
>         }
>         env.setStateBackend(stateBackend)
>         // checkpoint
>         env.enableCheckpointing(paraTool.getLong(CHECKPOINT_INTERVAL) * 1000, CheckpointingMode.EXACTLY_ONCE)
>         env.getCheckpointConfig.setCheckpointTimeout(paraTool.getLong(CHECKPOINT_TIMEOUT) * 1000)
>         // Flink 1.11.0 new feature: Enables unaligned checkpoints
>         env.getCheckpointConfig.enableUnalignedCheckpoints()
>       }
>     
>     }

关键在于  StatementSet 对象:

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMxODY2Nzkz_size_16_color_FFFFFF_t_70][]

我们发现这个类，不支持这个传入参数，所以我们需要修改源码：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMxODY2Nzkz_size_16_color_FFFFFF_t_70 1][]

3）如图，主要是StatementSetImpl这个实现添加的方法

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMxODY2Nzkz_size_16_color_FFFFFF_t_70 2][]

4）需要编译打包，这些类属于

package org.apache.flink.table

5）github参考地址：

[https://github.com/springMoon/sqlSubmit/blob/master/src/main/scala/com/rookie/submit/main/SqlSubmit.scala][https_github.com_springMoon_sqlSubmit_blob_master_src_main_scala_com_rookie_submit_main_SqlSubmit.scala]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMxODY2Nzkz_size_16_color_FFFFFF_t_70 1]: /images/20221123/a4582707d7dd4f28bffc03a76b864c79.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMxODY2Nzkz_size_16_color_FFFFFF_t_70 2]: /images/20221123/0e3fbcb686644505b73a66e8ed7c7c9f.png
[https_github.com_springMoon_sqlSubmit_blob_master_src_main_scala_com_rookie_submit_main_SqlSubmit.scala]: https://github.com/springMoon/sqlSubmit/blob/master/src/main/scala/com/rookie/submit/main/SqlSubmit.scala