MetaData Error in a SSIS Package -


i have package load csv source files table. have 2 typs of source files, employee , employeedetails.

  1. for example employee csv file has 4 columns eid, ename, designation, age.

  2. employeedetails csv file has 6 columns eid, ename, designation, age, depatname, deptid.

  3. my destination table has eid, ename, designation, age, depatname, deptid.

now, want load 2 files based on file type variable in variables collection. have completed part also.

so instead of using 2 dataflow tasks, used one. dft has following transformations inside it.

rawfilesource
|
derived column transformation
|
oledb destination table

in control flow have used execute package task whcih calls child package when give filetype employee, runs employee package takes employee csv file , loads rawfile destination.

if select file type employeedetails, runs employeedetails package takes employeedetails csv file , loads rawfile destination.

now take raw file , need load destination table. foe 1 file able load, when load second file either employee file or employeedetails file, metadata problem occurs.

because of need go package , change each , every transformation.

i tried keeping validate external meta data value false transformations , @ package level also.

how on come problem , load 2 files.

since 2 files have different columns, need 2 data flows. have step in control flow choses correct 1 based on filename send in varaiable.

but since details file has columns of employees file, why don't process 1 , ignore other?


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