Hello,
We have a requirement that client would like to maintain the mappings (source field mapping to target field) in an external source (like excel or database table), and BODS has to read the mapping from this external source and execute the mapping field dynamically.
For Example if NAME1 column in the target is mapped to source table NAME1, BODS has to read the mapping expression (SRC_TABLE.NAME1) from external source and execute that dynamically. If client changes the mapping from NAME1 to NAME2, BODS should be able to automatically execute the expression without making any changes to ETL object. If the source column specified in the mappings not found, then the default value should be NULL.
Is this even feasible with BODS? I have looked at all the available functions, and I don't see any possibility of specifying mapping expressions with dynamic columns.
Any suggestions and ideas how to accomplish this is greatly appreciated.
Thanks