ssis - How to write extract Row Count to Trailer record in flat output file -


i used transformation object "row count" capture number of rows written external flat file , want add trailer record file.

currently, append traielr record same file reexecuting sql used extract detail records , counting rows returned, this:

select      't' tlr_rec_type,     tlr_nbr_records = (         select count(1) + 2 --include header row , trailer row in count                      (***=insert sql used query detail records here***)      )

i trying use teh rowcount transformatiobn obejct first time. believe have set detail rowcount in user variable. how write user variable trailer record trailer row has format:

t,{rowcount}

add derived column references user variable.


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