[SD] USEREXIT_AVAIL_CHECK_CREDIT

釋放信用凍結的訂單後，要不要檢查可用量的 User Exit

從底下的程式碼(MV45AFZF)中就可以看出，只要將 CH_CHECK 設成 0 的話，就會作可用量的檢查

*---------------------------------------------------------------------*
*       FORM USEREXIT_AVAIL_CHECK_CREDIT                              *
*---------------------------------------------------------------------*
*       This userexit can be used, to determine, if an                *
*       availibility check should be carried out at release or recheck*
*       of credit blocked orders. This routine is called per          *
*       item line.                                                    *
*       Set CH_CHECK !                                                *
*---------------------------------------------------------------------*
*  -->  US_VBAK     Header information                                *
*  -->  US_VBUK     Header status information                         *
*  -->  US_VBAP     Item line information                             *
*  -->  US_RELEASE  at release ('X')                                  *
*  -->  US_RECHECK  at recheck ('X')                                  *
*  <--  CH_CHECK    0 = check                                         *
*                   4 = processing like standard                      *
*                   8 = no check                                      *
*---------------------------------------------------------------------*
FORM USEREXIT_AVAIL_CHECK_CREDIT USING    US_VBAK STRUCTURE VBAK
                                          US_VBUK STRUCTURE VBUKVB
                                          US_VBAP STRUCTURE VBAPVB
                                          US_RELEASE
                                          US_RECHECK
                                 CHANGING CH_CHECK.
  DATA: CON_CHECK_STANDARD LIKE SY-SUBRC VALUE 4,
        CON_CHECK_NO       LIKE SY-SUBRC VALUE 8,
        CON_CHECK_YES      LIKE SY-SUBRC VALUE 0.
*
  CH_CHECK = CON_CHECK_STANDARD.
* CH_CHECK = CON_CHECK_NO.
* CH_CHECK = CON_CHECK_YES.
ENDFORM.