SAP DD_NAVIGATOR_T Function Module for Navigation betweeen object sets









DD_NAVIGATOR_T is a standard dd navigator t SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Navigation betweeen object sets 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 dd navigator t FM, simply by entering the name DD_NAVIGATOR_T into the relevant SAP transaction such as SE37 or SE38.

Function Group: SDDE
Program Name: SAPLSDDE
Main Program: SAPLSDDE
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:



Function DD_NAVIGATOR_T 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 'DD_NAVIGATOR_T'"Navigation betweeen object sets
  EXPORTING
*  CLASS1 = 'DOMA' "Object class
*  LEN2 = 0 "Start position of name field in IN_TAB
*  OBJ_STATE = 'A' "Statuses of target objects taken into account
*  OFF1 = 0 "Length of name field in IN_TAB
*  OFF2 = 0 "Length of name field in IN_TAB
*  OUT_REFRESH = 'X' "X: Previous deletion of table OUT_TAB
*  OUT_TO_IN = ' ' "X: Transfer result to IN_TAB
*  PRID = 0 "ID of a standard output channel or 0
*  REFETCH = 'X' "X: Fetch back to the incoming data set
*  TRACE = 0 ">0: Display run schedule
*  PAR1 = ' ' "Is passed through for DB access
*  CLASS2 = 'DTEL' "Object class
*  PAR2 = ' ' "Is passed through for DB access
*  PAR3 = ' ' "Is passed through for DB access
*  FROM_INDEX = 0 "
*  TO_INDEX = 0 "
*  DEPENDENCY = 'U' "Relationship category
*  DIRECTION = '>' "Access direction
*  EXP_STRUC = ' ' "Expected structure of OUT_TAB or ' '
*  SINGLE_NAME = ' ' "Input for a single symbol
*  POINTER1 = 0 "
*  POINTER2 = 0 "
*  LEN1 = 0 "Start position of name field in IN_TAB

 IMPORTING
   OUT_STRUC =  "Real structure of 'OUT_TAB'

TABLES
*  IN_TAB =  "Symbol or true base table
   OUT_TAB =  "Calculated target quantity with structure OUT_STRUC

EXCEPTIONS
   ILLEGAL_PATH = 1    TYPE_MISSMATCH = 2    ILLEGAL_VALUE = 3
.



IMPORTING Parameters details for DD_NAVIGATOR_T

CLASS1 - Object class

Data type: DDREFSTRUC-CLASS
Default: 'DOMA'
Optional: Yes
Call by Reference: No ( called with pass by value option)

LEN2 - Start position of name field in IN_TAB

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

OBJ_STATE - Statuses of target objects taken into account

Data type: DDREFSTRUC-STATE
Default: 'A'
Optional: Yes
Call by Reference: No ( called with pass by value option)

OFF1 - Length of name field in IN_TAB

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

OFF2 - Length of name field in IN_TAB

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

OUT_REFRESH - X: Previous deletion of table OUT_TAB

Data type: DDREFSTRUC-STATE
Default: 'X'
Optional: Yes
Call by Reference: No ( called with pass by value option)

OUT_TO_IN - X: Transfer result to IN_TAB

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

PRID - ID of a standard output channel or 0

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

REFETCH - X: Fetch back to the incoming data set

Data type: DDREFSTRUC-STATE
Default: 'X'
Optional: Yes
Call by Reference: No ( called with pass by value option)

TRACE - >0: Display run schedule

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

PAR1 - Is passed through for DB access

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

CLASS2 - Object class

Data type: DDREFSTRUC-CLASS
Default: 'DTEL'
Optional: Yes
Call by Reference: No ( called with pass by value option)

PAR2 - Is passed through for DB access

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

PAR3 - Is passed through for DB access

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

FROM_INDEX -

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

TO_INDEX -

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

DEPENDENCY - Relationship category

Data type: DDREFSTRUC-STATE
Default: 'U'
Optional: Yes
Call by Reference: No ( called with pass by value option)

DIRECTION - Access direction

Data type: DDREFSTRUC-STATE
Default: '>'
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXP_STRUC - Expected structure of OUT_TAB or SPACE

Data type: DD02L-TABNAME
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

SINGLE_NAME - Input for a single symbol

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

POINTER1 -

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

POINTER2 -

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

LEN1 - Start position of name field in IN_TAB

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

EXPORTING Parameters details for DD_NAVIGATOR_T

OUT_STRUC - Real structure of 'OUT_TAB'

Data type: DD02L-TABNAME
Optional: No
Call by Reference: No ( called with pass by value option)

TABLES Parameters details for DD_NAVIGATOR_T

IN_TAB - Symbol or true base table

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

OUT_TAB - Calculated target quantity with structure OUT_STRUC

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

EXCEPTIONS details

ILLEGAL_PATH - Access path not yet implemented

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

TYPE_MISSMATCH - If EXP_STRUC <> OUT_STRUC

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

ILLEGAL_VALUE -

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for DD_NAVIGATOR_T 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_class1  TYPE DDREFSTRUC-CLASS, "   'DOMA'
lt_in_tab  TYPE STANDARD TABLE OF DDREFSTRUC, "   
lv_out_struc  TYPE DD02L-TABNAME, "   
lv_illegal_path  TYPE DD02L, "   
lv_len2  TYPE SY-FDPOS, "   0
lv_obj_state  TYPE DDREFSTRUC-STATE, "   'A'
lv_off1  TYPE SY-FDPOS, "   0
lv_off2  TYPE SY-FDPOS, "   0
lv_out_refresh  TYPE DDREFSTRUC-STATE, "   'X'
lv_out_to_in  TYPE DDREFSTRUC-STATE, "   ' '
lv_prid  TYPE SY-TABIX, "   0
lv_refetch  TYPE DDREFSTRUC-STATE, "   'X'
lv_trace  TYPE SY-TABIX, "   0
lv_par1  TYPE SY, "   ' '
lv_class2  TYPE DDREFSTRUC-CLASS, "   'DTEL'
lt_out_tab  TYPE STANDARD TABLE OF DDREFSTRUC, "   
lv_type_missmatch  TYPE DDREFSTRUC, "   
lv_par2  TYPE DDREFSTRUC, "   ' '
lv_par3  TYPE DDREFSTRUC, "   ' '
lv_from_index  TYPE SY-TABIX, "   0
lv_to_index  TYPE SY-TABIX, "   0
lv_dependency  TYPE DDREFSTRUC-STATE, "   'U'
lv_illegal_value  TYPE DDREFSTRUC, "   
lv_direction  TYPE DDREFSTRUC-STATE, "   '>'
lv_exp_struc  TYPE DD02L-TABNAME, "   ' '
lv_single_name  TYPE DDSYMTAB-NAME, "   ' '
lv_pointer1  TYPE DDSYMTAB, "   0
lv_pointer2  TYPE DDSYMTAB, "   0
lv_len1  TYPE SY-FDPOS. "   0

  CALL FUNCTION 'DD_NAVIGATOR_T'  "Navigation betweeen object sets
    EXPORTING
         CLASS1 = lv_class1
         LEN2 = lv_len2
         OBJ_STATE = lv_obj_state
         OFF1 = lv_off1
         OFF2 = lv_off2
         OUT_REFRESH = lv_out_refresh
         OUT_TO_IN = lv_out_to_in
         PRID = lv_prid
         REFETCH = lv_refetch
         TRACE = lv_trace
         PAR1 = lv_par1
         CLASS2 = lv_class2
         PAR2 = lv_par2
         PAR3 = lv_par3
         FROM_INDEX = lv_from_index
         TO_INDEX = lv_to_index
         DEPENDENCY = lv_dependency
         DIRECTION = lv_direction
         EXP_STRUC = lv_exp_struc
         SINGLE_NAME = lv_single_name
         POINTER1 = lv_pointer1
         POINTER2 = lv_pointer2
         LEN1 = lv_len1
    IMPORTING
         OUT_STRUC = lv_out_struc
    TABLES
         IN_TAB = lt_in_tab
         OUT_TAB = lt_out_tab
    EXCEPTIONS
        ILLEGAL_PATH = 1
        TYPE_MISSMATCH = 2
        ILLEGAL_VALUE = 3
. " DD_NAVIGATOR_T




ABAP code using 7.40 inline data declarations to call FM DD_NAVIGATOR_T

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.

"SELECT single CLASS FROM DDREFSTRUC INTO @DATA(ld_class1).
DATA(ld_class1) = 'DOMA'.
 
 
"SELECT single TABNAME FROM DD02L INTO @DATA(ld_out_struc).
 
 
"SELECT single FDPOS FROM SY INTO @DATA(ld_len2).
 
"SELECT single STATE FROM DDREFSTRUC INTO @DATA(ld_obj_state).
DATA(ld_obj_state) = 'A'.
 
"SELECT single FDPOS FROM SY INTO @DATA(ld_off1).
 
"SELECT single FDPOS FROM SY INTO @DATA(ld_off2).
 
"SELECT single STATE FROM DDREFSTRUC INTO @DATA(ld_out_refresh).
DATA(ld_out_refresh) = 'X'.
 
"SELECT single STATE FROM DDREFSTRUC INTO @DATA(ld_out_to_in).
DATA(ld_out_to_in) = ' '.
 
"SELECT single TABIX FROM SY INTO @DATA(ld_prid).
 
"SELECT single STATE FROM DDREFSTRUC INTO @DATA(ld_refetch).
DATA(ld_refetch) = 'X'.
 
"SELECT single TABIX FROM SY INTO @DATA(ld_trace).
 
DATA(ld_par1) = ' '.
 
"SELECT single CLASS FROM DDREFSTRUC INTO @DATA(ld_class2).
DATA(ld_class2) = 'DTEL'.
 
 
 
DATA(ld_par2) = ' '.
 
DATA(ld_par3) = ' '.
 
"SELECT single TABIX FROM SY INTO @DATA(ld_from_index).
 
"SELECT single TABIX FROM SY INTO @DATA(ld_to_index).
 
"SELECT single STATE FROM DDREFSTRUC INTO @DATA(ld_dependency).
DATA(ld_dependency) = 'U'.
 
 
"SELECT single STATE FROM DDREFSTRUC INTO @DATA(ld_direction).
DATA(ld_direction) = '>'.
 
"SELECT single TABNAME FROM DD02L INTO @DATA(ld_exp_struc).
DATA(ld_exp_struc) = ' '.
 
"SELECT single NAME FROM DDSYMTAB INTO @DATA(ld_single_name).
DATA(ld_single_name) = ' '.
 
 
 
"SELECT single FDPOS FROM SY INTO @DATA(ld_len1).
 


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