loop table_name(col1, coll2, ...) function
function_name(param1, param2, ...)
update
(updated_col1, updated_col1, ...)
where
...
Parameters, update clause and where clause are optional
SB will execute 3 C functions
1/ <function_name>_before: optional "before function" called once, where you allocated the object you will need
2/ <function_name>: mandatory "loop function" called once per line fecthed, where you populate the objects
3/ <function_name>_after: optional "after function" called once, where you free memory
See input/output of these functions in common.h