SAP ENQUEUE_EWCACH Function Module for Request lock for object EWCACH









ENQUEUE_EWCACH is a standard enqueue ewcach SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Request lock for object EWCACH processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.


See here to view full function module documentation and code listing for enqueue ewcach FM, simply by entering the name ENQUEUE_EWCACH into the relevant SAP transaction such as SE37 or SE38.

Function Group: /1BCDWBEN/WEN0000
Program Name: /1BCDWBEN/SAPLWEN0000
Main Program:
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:



Function ENQUEUE_EWCACH pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.
CALL FUNCTION 'ENQUEUE_EWCACH'"Request lock for object EWCACH
  EXPORTING
*  MODE_WCACH = 'E' "Lock mode for table WCACH
*  X_CCTYP = ' ' "Fill argument 03 with initial value?
*  X_TGGRP = ' ' "Fill argument 04 with initial value?
*  X_TGPROC = ' ' "Fill argument 05 with initial value?
*  X_TGTYP = ' ' "Fill argument 06 with initial value?
*  X_OBJNR = ' ' "Fill argument 07 with initial value?
*  _SCOPE = '2' "
*  _WAIT = ' ' "
*  _COLLECT = ' ' "Initially only collect lock
*  MANDT = SY-MANDT "01th enqueue argument
*  CCOBJ =  "02th enqueue argument
*  CCTYP =  "03th enqueue argument
*  TGGRP =  "04th enqueue argument
*  TGPROC =  "05th enqueue argument
*  TGTYP =  "06th enqueue argument
*  OBJNR =  "07th enqueue argument
*  X_CCOBJ = ' ' "Fill argument 02 with initial value?

EXCEPTIONS
   FOREIGN_LOCK = 1    SYSTEM_FAILURE = 2
.



IMPORTING Parameters details for ENQUEUE_EWCACH

MODE_WCACH - Lock mode for table WCACH

Data type: ENQMODE
Default: 'E'
Optional: Yes
Call by Reference: No ( called with pass by value option)

X_CCTYP - Fill argument 03 with initial value?

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

X_TGGRP - Fill argument 04 with initial value?

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

X_TGPROC - Fill argument 05 with initial value?

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

X_TGTYP - Fill argument 06 with initial value?

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

X_OBJNR - Fill argument 07 with initial value?

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

_SCOPE -

Data type:
Default: '2'
Optional: Yes
Call by Reference: No ( called with pass by value option)

_WAIT -

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

_COLLECT - Initially only collect lock

Data type: DDENQCOLL
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

MANDT - 01th enqueue argument

Data type: WCACH-MANDT
Default: SY-MANDT
Optional: Yes
Call by Reference: No ( called with pass by value option)

CCOBJ - 02th enqueue argument

Data type: WCACH-CCOBJ
Optional: Yes
Call by Reference: No ( called with pass by value option)

CCTYP - 03th enqueue argument

Data type: WCACH-CCTYP
Optional: Yes
Call by Reference: No ( called with pass by value option)

TGGRP - 04th enqueue argument

Data type: WCACH-TGGRP
Optional: Yes
Call by Reference: No ( called with pass by value option)

TGPROC - 05th enqueue argument

Data type: WCACH-TGPROC
Optional: Yes
Call by Reference: No ( called with pass by value option)

TGTYP - 06th enqueue argument

Data type: WCACH-TGTYP
Optional: Yes
Call by Reference: No ( called with pass by value option)

OBJNR - 07th enqueue argument

Data type: WCACH-OBJNR
Optional: Yes
Call by Reference: No ( called with pass by value option)

X_CCOBJ - Fill argument 02 with initial value?

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

FOREIGN_LOCK - Object already locked

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

SYSTEM_FAILURE - Internal error from enqueue server

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for ENQUEUE_EWCACH Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

DATA:
lv_mode_wcach  TYPE ENQMODE, "   'E'
lv_foreign_lock  TYPE ENQMODE, "   
lv_x_cctyp  TYPE ENQMODE, "   SPACE
lv_x_tggrp  TYPE ENQMODE, "   SPACE
lv_x_tgproc  TYPE ENQMODE, "   SPACE
lv_x_tgtyp  TYPE ENQMODE, "   SPACE
lv_x_objnr  TYPE ENQMODE, "   SPACE
lv__scope  TYPE ENQMODE, "   '2'
lv__wait  TYPE ENQMODE, "   SPACE
lv__collect  TYPE DDENQCOLL, "   ' '
lv_mandt  TYPE WCACH-MANDT, "   SY-MANDT
lv_system_failure  TYPE WCACH, "   
lv_ccobj  TYPE WCACH-CCOBJ, "   
lv_cctyp  TYPE WCACH-CCTYP, "   
lv_tggrp  TYPE WCACH-TGGRP, "   
lv_tgproc  TYPE WCACH-TGPROC, "   
lv_tgtyp  TYPE WCACH-TGTYP, "   
lv_objnr  TYPE WCACH-OBJNR, "   
lv_x_ccobj  TYPE WCACH. "   SPACE

  CALL FUNCTION 'ENQUEUE_EWCACH'  "Request lock for object EWCACH
    EXPORTING
         MODE_WCACH = lv_mode_wcach
         X_CCTYP = lv_x_cctyp
         X_TGGRP = lv_x_tggrp
         X_TGPROC = lv_x_tgproc
         X_TGTYP = lv_x_tgtyp
         X_OBJNR = lv_x_objnr
         _SCOPE = lv__scope
         _WAIT = lv__wait
         _COLLECT = lv__collect
         MANDT = lv_mandt
         CCOBJ = lv_ccobj
         CCTYP = lv_cctyp
         TGGRP = lv_tggrp
         TGPROC = lv_tgproc
         TGTYP = lv_tgtyp
         OBJNR = lv_objnr
         X_CCOBJ = lv_x_ccobj
    EXCEPTIONS
        FOREIGN_LOCK = 1
        SYSTEM_FAILURE = 2
. " ENQUEUE_EWCACH




ABAP code using 7.40 inline data declarations to call FM ENQUEUE_EWCACH

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

DATA(ld_mode_wcach) = 'E'.
 
 
DATA(ld_x_cctyp) = ' '.
 
DATA(ld_x_tggrp) = ' '.
 
DATA(ld_x_tgproc) = ' '.
 
DATA(ld_x_tgtyp) = ' '.
 
DATA(ld_x_objnr) = ' '.
 
DATA(ld__scope) = '2'.
 
DATA(ld__wait) = ' '.
 
DATA(ld__collect) = ' '.
 
"SELECT single MANDT FROM WCACH INTO @DATA(ld_mandt).
DATA(ld_mandt) = SY-MANDT.
 
 
"SELECT single CCOBJ FROM WCACH INTO @DATA(ld_ccobj).
 
"SELECT single CCTYP FROM WCACH INTO @DATA(ld_cctyp).
 
"SELECT single TGGRP FROM WCACH INTO @DATA(ld_tggrp).
 
"SELECT single TGPROC FROM WCACH INTO @DATA(ld_tgproc).
 
"SELECT single TGTYP FROM WCACH INTO @DATA(ld_tgtyp).
 
"SELECT single OBJNR FROM WCACH INTO @DATA(ld_objnr).
 
DATA(ld_x_ccobj) = ' '.
 


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