我有两个MemoryStream实例。如何将它们合并为一个实例？好吧，现在我无法从一个MemoryStream复制到另一个。这是一个方法:publicstaticStreamZipFiles(IEnumerablefilesToZip){ZipStorerstorer=null;MemoryStreamresult=null;try{MemoryStreammemory=newMemoryStream(1024);storer=ZipStorer.Create(memory,GetDateTimeInRuFormat());foreach(varcurrentFilePathinfil

我正在gruntshell中尝试以下Pig语句。pig版本是-->ApachePig版本0.12.1grunt>register/home/user/surender/mapreducejars/parquet-pig-1.0.1.jar;grunt>A=LOAD'/user/user/inputfiles/parquet.txt'USINGPigStorage(',')AS(id:int,name:chararray);grunt>STOREAinto'/user/user/outputfiles/pig'USINGparquet.pig.ParquetStorer;2016-09-