https://community.cloudera.com/t5/Support-Questions/merge-too-csv-files-in-nifi/m-p/229265#M191122 <P>Thank you <A rel="user" href="https://community.cloudera.com/users/18929/yaswanthmuppireddy.html" nodeid="18929">@Shu</A>. </P><P>Actually i am tryng to merge(Union) records based on Id. eg in input file1 the Id can be:1,2,3</P><P>and in iinputfile2 deptid can be:-3,4,5.</P><P>So it will merge all the records. Shall i use the queryrecord processor befire or after the mergecontent..?</P> Thu, 14 Jun 2018 13:03:01 GMT rajatpuchnanda1 2018-06-14T13:03:01Z