Currently, We have a table similar to this:
--------------------- ID | AField | BField| ---------------------
The ID is Auto Increment
you can "omit" ID field in data row by placing delimiter sign in the beginning of a row, like this (for table schema ID,AField,BField):
ID,AField,BField
,afieldvalue,bfieldvalue ...
SQL engine will assign NULL to ID field while reading such csv file
NULL
ID