Function module to get Delivery item data based on order number
I want to know the function module for getting delivery item data based on order number. i.e. for order
related billing i have the order numbers list. i want the delivery details for those orders.. but my select statement taking so much time .. For i want to know the function module for better performance.
into table t_lips
for all entries in p_gt_fvkdfi
where vgbel = p_gt_fvkdfi-vbeln "(order number i.e. order related billing )
and vbtyv = 'H'.
Thanks in advance