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我与火花1.3.0(在蟒蛇)pyspark 1.3.0保存数据帧到HIVE表
工作,我有DF:
DF.show(3)
ID Date Hour TimeInCluster Cluster Xcluster Ycluster
25342438156 2012-11-30 15:00:00 26 T 130270 165620
25342438156 2012-11-30 16:00:00 86 D 136850 177070
25342438156 2012-11-30 17:00:00 35 D 136850 177070
我正在特林保存DF到不存在的配置单表
我该怎么做?
谢谢
我我的代码更改为:
sqlContext = HiveContext(sc)
FinalDf.write().mode(SaveMode.Overwrite).saveAsTable("myDB.sixuserstablediary")
,但我得到这个错误
py4j.protocol.Py4JJavaError: An error occurred while calling o280.apply.
: org.apache.spark.sql.AnalysisException: Cannot resolve column name "write" among (IMSI, Date, Hour, TimeInCluster, Cluster, Xcluster, Ycluster);
at org.apache.spark.sql.DataFrame$$anonfun$resolve$1.apply(DataFrame.scala:162)
at org.apache.spark.sql.DataFrame$$anonfun$resolve$1.apply(DataFrame.scala:162)
at scala.Option.getOrElse(Option.scala:120)
at org.apache.spark.sql.DataFrame.resolve(DataFrame.scala:161)
at org.apache.spark.sql.DataFrame.col(DataFrame.scala:436)
at org.apache.spark.sql.DataFrame.apply(DataFrame.scala:426)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:379)
at py4j.Gateway.invoke(Gateway.java:259)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:207)
at java.lang.Thread.run(Thread.java:745)
请参考以下链接: - http://stackoverflow.com/questions/30664008/how-to-save-dataframe-directly-to-hive –
我试过,但有错误 我的代码: FinalDf.registerTempTable( “mytempTable”) sqlContext.sql( “创建表sixuserstablediary为SELECT * FROM mytempTable”) – maori
错误: sqlContext.sql( “创建表sixuserstablediary为SELECT * FROM mytempTable”); 文件“/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/spark/python/pyspark/sql/context.py”,第528行,在sql 中返回DataFrame( self._ssql_ctx.sql(sqlQuery),self) 文件“/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/spark/python/lib/py4j-0.8.2.1 -src.zip/py4j/java_gateway.py“,第538行,在__call__中 文件”/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/spark/python/lib /py4j-0.8.2.1-src.zip/py4j/protocol.py“,第300行,在get_return_value – maori