2015-10-30 45 views
0

我想從HDFS上的表向sqoop導出到MySQL服務器。這些列的排列順序不同。Sqoop導出到MySQL,不同的列順序

我sqoop腳本是:

<workflow-app name="sqoop" xmlns="uri:oozie:workflow:0.4"> 
    <start to="sqoop"/> 
    <action name="sqoop"> 
    <sqoop xmlns="uri:oozie:sqoop-action:0.2"> 
      <job-tracker>${jobTracker}</job-tracker> 
      <name-node>${nameNode}</name-node> 
       <arg>export</arg> 
       <arg>--connect</arg> 
       <arg>jdbc:mysql://10.1.1.1:501/db_name</arg> 
       <arg>--username</arg> 
       <arg>sqoop</arg> 
       <arg>--password-file</arg> 
       <arg>/user/sqoop.password</arg> 
       <arg>--table</arg> 
       <arg>table_name</arg> 
       <arg>--export-dir</arg> 
       <arg>/user/location</arg> 
       <arg>-m</arg> 
       <arg>5</arg> 
       <arg>--input-fields-terminated-by</arg> 
       <arg>\001</arg> 
       <arg>--input-null-non-string</arg> 
       <arg>\\N</arg> 
       <arg>--input-null-string</arg> 
       <arg>\\N</arg> 
       <arg>--columns</arg> 
       <arg>col_1,col_2,col_3</arg>    
      </sqoop>   
      <ok to="end"/> 
     <error to="kill"/> 
    </action> 
    <kill name="kill"> 
     <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> 
    </kill> 
    <end name="end"/> 
</workflow-app> 

我HDFS表的創建:

CREATE EXTERNAL TABLE `table_name`(
    `col_2` bigint, 
    `col_1` bigint, 
    `col_3` string) 
ROW FORMAT SERDE 
    'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' 
STORED AS INPUTFORMAT 
    'com.hadoop.mapred.DeprecatedLzoTextInputFormat' 
OUTPUTFORMAT 
    'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' 
LOCATION 
    'hdfs://nameservice1/user/location' 

,我也得到了以下錯誤:

Caused by: java.lang.NumberFormatException: For input string: "AA" 
    at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) 

我試圖導出到表完全相同的順序,並通過從sqoop腳本中刪除--columns選項,一切正常。是不是可以sqoop與不同的順序列?

+0

可能重複的問題。檢查這個答案。 http://stackoverflow.com/questions/36190726/sqoop-export-specific-columns-from-hdfs-to-mysql-is-not-working-properly – TamilK

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