is it possible to edit or delete child or detail table on SQLFORM.grid with 
left join?
i've tried before it seems the edit is for the first table (parent or 
header), the child or detail table cannot be edited or deleted with left 
join in SQLFORM.grid.
*e.g.*
def report_production_result():
table_header = db.production_result_header
table_detail = db.production_result_detail

orderby = ~table_header.id
left = table_detail.on(table_header.id == table_detail.production_result_no)
fields = [
 # header
 table_header.id, table_header.production_result_no, 
table_header.production_result_date, 
 table_header.shift, table_header.origin, table_header.status, 
 # detail
 table_detail.stock, table_detail.quantity]
grid = SQLFORM.grid(table_header, fields = fields, left = left, orderby = 
orderby)
return locals()

thanks and best regards,
stifan

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