Pyspark 在Spark 1.6.0中对struct数据类型使用collect_list函数时出错
执行以下语句时，Spark 1.6.0中出现错误。组合的df语句对我不起作用Pyspark 在Spark 1.6.0中对struct数据类型使用collect_list函数时出错,pyspark,Pyspark,执行以下语句时，Spark 1.6.0中出现错误。组合的df语句对我不起作用 from pyspark.sql import functions as F from pyspark import SQLContext data = [[1,'2014-01-03', 10],[1,'2014-01-04', 5],[1,'2014-01-05', 15],[1,'2014-01-06' , 20],[2,'2014-02-10', 100],[2,'2014-03-11', 500],[2,'2
from pyspark.sql import functions as F
from pyspark import SQLContext
data = [[1,'2014-01-03', 10],[1,'2014-01-04', 5],[1,'2014-01-05', 15],[1,'2014-01-06' , 20],[2,'2014-02-10', 100],[2,'2014-03-11', 500],[2,'2014-04-15',1500]]
df = sc.parallelize(data).toDF(['id','date','value'])
df.show()
grouped_df = df.groupby("id").agg(F.collect_list(F.struct("date", "value")).alias("list_col"))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/opt/taxgard/CPWorkArea/agarwal/python/spark/spark-1.6/python/pyspark/sql/group.py", line 91, in agg
_to_seq(self.sql_ctx._sc, [c._jc for c in exprs[1:]]))
File "/opt/taxgard/CPWorkArea/agarwal/python/spark/spark-1.6/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py", line 813, in __call__
File "/opt/taxgard/CPWorkArea/agarwal/python/spark/spark-1.6/python/pyspark/sql/utils.py", line 51, in deco
raise AnalysisException(s.split(': ', 1)[1], stackTrace)
pyspark.sql.utils.AnalysisException: u'No handler for Hive udf class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFCollectList because: Only primitive type arguments are accepted but struct<date:string,value:bigint> was passed as parameter 1..;'
from pyspark import SparkContext, HiveContext
sc = SparkContext(appName='my app name')
sql_cntx = HiveContext(sc)
data = [[1,'2014-01-03', 10],[1,'2014-01-04', 5],[1,'2014-01-05', 15],[1,'2014-01-06' , 20],[2,'2014-02-10', 100],[2,'2014-03-11', 500],[2,'2014-04-15',1500]]
rdd = sc.parallelize(data)
df = sql_cntx.createDataFrame(rdd, ['id','date','value'])
# ...