Flink1.9的sql-client初探

安裝flink1.9  start-cluster

編寫test-env.yaml (一定注意格式和縮進! 對照  https://github.com/apache/flink/blob/release-1.9/flink-table/flink-sql-client/src/test/resources/test-sql-client-defaults.yaml  自己調整或者直接覆蓋)

具體配置項:https://ci.apache.org/projects/flink/flink-docs-release-1.9/dev/table/sqlClient.html

tables:
 - name: MyTableSource
   type: source-table
   update-mode: append
   connector:
     type: filesystem
     path: "/tmp/input.csv"
   format:
     type: csv
     fields:
       - name: MyField1
         type: INT
       - name: MyField2
         type: VARCHAR
     line-delimiter: "\n"
     comment-prefix: "#"
   schema:
     - name: MyField1
       type: INT
     - name: MyField2
       type: VARCHAR
       
 - name: MyTableSink
   type: sink-table
   update-mode: append
   connector:
     type: filesystem
     path: "/tmp/ouput.csv"
   format:
     type: csv
     fields:
       - name: MyField1
         type: INT
       - name: MyField2
         type: VARCHAR
   schema:
     - name: MyField1
       type: INT
     - name: MyField2
       type: VARCHAR
       
       
 - name: MyCustomView
   type: view
   query: "SELECT MyField2 FROM MyTableSource"

execution:
  planner: old
  type: streaming
  time-characteristic: event-time
  periodic-watermarks-interval: 99
  parallelism: 1
  max-parallelism: 16
  min-idle-state-retention: 0
  max-idle-state-retention: 0
  result-mode: table
  max-table-result-rows: 100
  restart-strategy:
    type: failure-rate
    max-failures-per-interval: 10
    failure-rate-interval: 99000
    delay: 1000

configuration:
  table.optimizer.join-reorder-enabled: false

deployment:
  response-timeout: 5000
 

=============================================

cat /tmp/input.csv   文件內容如下
1,hello
2,world
3,hello world
1,ok
3,bye bye
4,yes
 

 

啓動 ./bin/sql-client.sh embedded -e conf/env.yaml

就可以看見表了