从 pyspark.sql.functions 导出的函数是 JVM 代码的精简包装器,除了少数需要特殊处理的例外情况外,它们是使用辅助方法自动生成的。 如果仔细检查源代码 ,您会发现 col 列在其他 _functions 中。这个字典被 进一步迭代 _create_function 用于生成包装器。每个生成的函数都直接分配给 globals 中的
问在Python3.5中尝试从pyspark.sql.functions导入col时未解析的引用ENPHP中引用意味着用不同的名字访问...
#参考:https://stackoverflow.com/questions/40163106/cannot-find-col-function-in-pyspark #参考:https://pypi.org/project/pyspark-stubs/ 5. Exception: Python in worker has different version 2.6 than that in driver 3.7, PySpark cannot run with different minor versions. #我是在Red hat环境下,装了...
[SPARK-1900 / 1918] PySpark on YARN is broken May 25, 2014 sbin Include the sbin/spark-config.sh in spark-executor May 9, 2014 sbt [SQL] Un-ignore a test that is now passing. Mar 27, 2014 sql [SPARK-1938] [SQL] ApproxCountDistinctMergeFunction should return Int… ...