ABAP Select data from SAP table ROXXB40112 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROXXB40112 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 ROXXB40112. 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 ROXXB40112 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_ROXXB40112 TYPE STANDARD TABLE OF ROXXB40112,
      WA_ROXXB40112 TYPE ROXXB40112,
      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: <ROXXB40112> TYPE ROXXB40112.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROXXB40112.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROXXB40112
  INTO TABLE IT_ROXXB40112.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROXXB40112
*  INTO TABLE @DATA(IT_ROXXB401122).
*--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_ROXXB40112 INDEX 1 INTO DATA(WA_ROXXB401122).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROXXB40112 ASSIGNING <ROXXB40112>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROXXB40112>-MANDT = 1.
<ROXXB40112>-HIER_ID = 1.
<ROXXB40112>-NODE = 1.
<ROXXB40112>-VKORG = 1.
<ROXXB40112>-VTWEG = 1.

ENDLOOP.

LOOP AT IT_ROXXB40112 INTO WA_ROXXB40112.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROXXB40112-STATUS, sy-vline,
  WA_ROXXB40112-PRODFLG, sy-vline,
  WA_ROXXB40112-BWFLG, sy-vline,
  WA_ROXXB40112-HIERFLG, sy-vline,
  WA_ROXXB40112-MLTPFLG, sy-vline,
  WA_ROXXB40112-DATEFLG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROXXB40112 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_ROXXB40112 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_ROXXB40112 INTO WA_ROXXB40112.


*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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ROXXB40112-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROXXB40112-SPRAS.
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_ROXXB40112_STR, 
MANDT TYPE STRING,
HIER_ID TYPE STRING,
NODE TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
STATUS TYPE STRING,
PRODFLG TYPE STRING,
BWFLG TYPE STRING,
HIERFLG TYPE STRING,
MLTPFLG TYPE STRING,
DATEFLG TYPE STRING,
LAEDA TYPE STRING,
LTEXT TYPE STRING,
SPRAS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROXXB40112_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_ROXXB40112_STR-MANDT sy-vline 
WA_ROXXB40112_STR-HIER_ID sy-vline 
WA_ROXXB40112_STR-NODE sy-vline 
WA_ROXXB40112_STR-VKORG sy-vline 
WA_ROXXB40112_STR-VTWEG sy-vline 
WA_ROXXB40112_STR-STATUS sy-vline 
WA_ROXXB40112_STR-PRODFLG sy-vline 
WA_ROXXB40112_STR-BWFLG sy-vline 
WA_ROXXB40112_STR-HIERFLG sy-vline 
WA_ROXXB40112_STR-MLTPFLG sy-vline 
WA_ROXXB40112_STR-DATEFLG sy-vline 
WA_ROXXB40112_STR-LAEDA sy-vline 
WA_ROXXB40112_STR-LTEXT sy-vline 
WA_ROXXB40112_STR-SPRAS sy-vline      INTO ld_text SEPARATED BY SPACE.

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