Table field for PO releaser in R/3 (4.7 Enterprise)

Question

Hi Gurus out there:
Do you know if there is a table field for PO releaser in R/3 (4.7 Enterprise)?
We use for e.g. the transaction ME29N to release a PO and I haven't been able to find a DB table where the PO releaser is stored.
In DB table EKKO I can find the fields FRGGR (Release group), FRGSX (Release strategy), FRGKE (Release Indicator), FRGZU (Release status) and FRGRL (Release Not Yet Completely Effected) but no information of the user who released the PO.
Many thanks in advance.
/hw

Answer 1

Meanwhile I have found a solution to this problem:
CONCATENATE sy-mandt <ekko-ebeln> INTO tabkey.
SELECT SINGLE * FROM cdpos
WHERE objectclas = 'EINKBELEG'
AND objectid = <ekko-ebeln>
AND tabname = 'EKKO'
AND tabkey = tabkey
AND fname = 'FRGKE'
AND chngind = 'U'
AND value_new = '1'. " PO has been released
IF sy-subrc = 0.
SELECT SINGLE username
FROM cdhdr
INTO po_releaser
WHERE objectclas = 'EINKBELEG'
AND objectid = oitab-ebeln
AND changenr = cdpos-changenr.
ENDIF.