ABAP Select data from SAP table ARRANGERR4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ARRANGERR4 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 ARRANGERR4. 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 ARRANGERR4 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_ARRANGERR4 TYPE STANDARD TABLE OF ARRANGERR4,
      WA_ARRANGERR4 TYPE ARRANGERR4,
      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: <ARRANGERR4> TYPE ARRANGERR4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ARRANGERR4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ARRANGERR4
  INTO TABLE IT_ARRANGERR4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARRANGERR4
*  INTO TABLE @DATA(IT_ARRANGERR42).
*--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_ARRANGERR4 INDEX 1 INTO DATA(WA_ARRANGERR42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ARRANGERR4 ASSIGNING <ARRANGERR4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARRANGERR4>-KNUMH = 1.
<ARRANGERR4>-KOPOS = 1.
<ARRANGERR4>-POSNR = 1.
<ARRANGERR4>-BLTYPN = 1.
<ARRANGERR4>-EBELN = 1.

ENDLOOP.

LOOP AT IT_ARRANGERR4 INTO WA_ARRANGERR4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARRANGERR4-EBELP, sy-vline,
  WA_ARRANGERR4-BLTYPD, sy-vline,
  WA_ARRANGERR4-BELNR, sy-vline,
  WA_ARRANGERR4-GJAHR, sy-vline,
  WA_ARRANGERR4-BUZEI, sy-vline,
  WA_ARRANGERR4-ETENR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARRANGERR4 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_ARRANGERR4 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_ARRANGERR4 INTO WA_ARRANGERR4.


*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 ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ARRANGERR4-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARRANGERR4-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ARRANGERR4-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARRANGERR4-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ARRANGERR4-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARRANGERR4-GJAHR.
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_ARRANGERR4_STR, 
KNUMH TYPE STRING,
KOPOS TYPE STRING,
POSNR TYPE STRING,
BLTYPN TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
BLTYPD TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
ETENR TYPE STRING,
WKOPAR_LI TYPE STRING,
BLTYPF TYPE STRING,
LFERR TYPE STRING,
MSGID TYPE STRING,
MSGTY TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARRANGERR4_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_ARRANGERR4_STR-KNUMH sy-vline 
WA_ARRANGERR4_STR-KOPOS sy-vline 
WA_ARRANGERR4_STR-POSNR sy-vline 
WA_ARRANGERR4_STR-BLTYPN sy-vline 
WA_ARRANGERR4_STR-EBELN sy-vline 
WA_ARRANGERR4_STR-EBELP sy-vline 
WA_ARRANGERR4_STR-BLTYPD sy-vline 
WA_ARRANGERR4_STR-BELNR sy-vline 
WA_ARRANGERR4_STR-GJAHR sy-vline 
WA_ARRANGERR4_STR-BUZEI sy-vline 
WA_ARRANGERR4_STR-ETENR sy-vline 
WA_ARRANGERR4_STR-WKOPAR_LI sy-vline 
WA_ARRANGERR4_STR-BLTYPF sy-vline 
WA_ARRANGERR4_STR-LFERR sy-vline 
WA_ARRANGERR4_STR-MSGID sy-vline 
WA_ARRANGERR4_STR-MSGTY sy-vline 
WA_ARRANGERR4_STR-MSGNO sy-vline 
WA_ARRANGERR4_STR-MSGV1 sy-vline 
WA_ARRANGERR4_STR-MSGV2 sy-vline 
WA_ARRANGERR4_STR-MSGV3 sy-vline 
WA_ARRANGERR4_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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