Defined in tcl/data-pipeline-defs.tclUpvars to get the $dp_form ns_set, and builds a bunch of dp_sql_structs
that will perform the SQL necessary to process all the dp_form variables
prefixed by "dp$form_index". The return value is an
ns_set where key is table name and value is a dp_sql_struct.
Arguments:
form_index - The only items in the $dp_form ns_set that get processed
are the ones whose keys are of the form
"dp_form$form_index.*"
- Parameters:
-
form_index (optional)