How to know the SAP oubound delivery item is posted in a GR

What tables to look at to check whether the outbound delivery item is posted in a GR?

Or is there any BADI that can provide this information?

Solution

In general you can get the delivery (or delivery items) status from tables

VBUK (header status)
VBUP (items status)

for example:

DATA: ls_vbup type vbup.

SELECT SINGLE * FROM VBUP 
 WHERE VBELN = <delivery no> 
   AND POSNR = <delivery item> 
  INTO ls_vbup.

LS_VBUP-WBSTA is the Goods movement status for the delivery. It can contain:

C: status goods movement "completed". All the quantity has been posted
A: status goods movement "open". No quantity has been posted yet
B: status goods moviment "partial".

Otherwise if you also want to know which GR/GI has been posted for your delivery you could check the SD document flow table VBFA:

DATA: lt_vbfa TYPE TABLE OF vbfa.

SELECT * FROM VBFA
 WHERE VBELV = <delivery no>
   AND POSNV = <delivery item>
   AND VBTYP_V = 'J'  " J means Delivery
   AND VBTYP_N = 'R'  " R means Goods movement
 INTO TABLE lt_vbfa.

LT_VBFA table contains the GR/GI posted for your delivery