ABAP Select data from SAP table U_13102 into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP U_13102 table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to U_13102. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the U_13102 table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_U_13102 TYPE STANDARD TABLE OF U_13102,
      WA_U_13102 TYPE U_13102,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <U_13102> TYPE U_13102.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_U_13102.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM U_13102
  INTO TABLE IT_U_13102.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM U_13102
*  INTO TABLE @DATA(IT_U_131022).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_U_13102 INDEX 1 INTO DATA(WA_U_131022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_U_13102 ASSIGNING <U_13102>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<U_13102>-MANDT = 1.
<U_13102>-PRART = 1.
<U_13102>-PROFIL = 1.
<U_13102>-XALLP = 1.
<U_13102>-DARST = 1.

ENDLOOP.

LOOP AT IT_U_13102 INTO WA_U_13102.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_U_13102-SCOPE, sy-vline,
  WA_U_13102-VJAWE, sy-vline,
  WA_U_13102-XJBDG, sy-vline,
  WA_U_13102-PRAUT, sy-vline,
  WA_U_13102-STSMA, sy-vline,
  WA_U_13102-XAKTB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_U_13102 you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_U_13102 TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_U_13102 INTO WA_U_13102.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit SCOPE, internal->external for field SCOPE
CALL FUNCTION 'CONVERSION_EXIT_SCOPE_OUTPUT'
  EXPORTING
    input =                      WA_U_13102-SCOPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_13102-SCOPE.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_U_13102_STR, 
MANDT TYPE STRING,
PRART TYPE STRING,
PROFIL TYPE STRING,
XALLP TYPE STRING,
DARST TYPE STRING,
SCOPE TYPE STRING,
VJAWE TYPE STRING,
XJBDG TYPE STRING,
PRAUT TYPE STRING,
STSMA TYPE STRING,
XAKTB TYPE STRING,
XORGV TYPE STRING,
XORGC TYPE STRING,
XAFAV TYPE STRING,
KURST TYPE STRING,
CAFWD TYPE STRING,
PPROFIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_U_13102_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_U_13102_STR-MANDT sy-vline 
WA_U_13102_STR-PRART sy-vline 
WA_U_13102_STR-PROFIL sy-vline 
WA_U_13102_STR-XALLP sy-vline 
WA_U_13102_STR-DARST sy-vline 
WA_U_13102_STR-SCOPE sy-vline 
WA_U_13102_STR-VJAWE sy-vline 
WA_U_13102_STR-XJBDG sy-vline 
WA_U_13102_STR-PRAUT sy-vline 
WA_U_13102_STR-STSMA sy-vline 
WA_U_13102_STR-XAKTB sy-vline 
WA_U_13102_STR-XORGV sy-vline 
WA_U_13102_STR-XORGC sy-vline 
WA_U_13102_STR-XAFAV sy-vline 
WA_U_13102_STR-KURST sy-vline 
WA_U_13102_STR-CAFWD sy-vline 
WA_U_13102_STR-PPROFIL sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.