ABAP Select data from SAP table U_26260 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP U_26260 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_26260. 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_26260 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_26260 TYPE STANDARD TABLE OF U_26260,
      WA_U_26260 TYPE U_26260,
      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_26260> TYPE U_26260.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_U_26260.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM U_26260
  INTO TABLE IT_U_26260.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM U_26260
*  INTO TABLE @DATA(IT_U_262602).
*--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_26260 INDEX 1 INTO DATA(WA_U_262602).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_U_26260 ASSIGNING <U_26260>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<U_26260>-MANDT = 1.
<U_26260>-LFART = 1.
<U_26260>-SPRAS = 1.
<U_26260>-LFTYP = 1.
<U_26260>-KAPPL = 1.

ENDLOOP.

LOOP AT IT_U_26260 INTO WA_U_26260.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_U_26260-NUMKI, sy-vline,
  WA_U_26260-NUMKE, sy-vline,
  WA_U_26260-INCPO, sy-vline,
  WA_U_26260-RFBFK, sy-vline,
  WA_U_26260-NARVF, sy-vline,
  WA_U_26260-LFARTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_U_26260 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_26260 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_26260 INTO WA_U_26260.


*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_U_26260-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_26260-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_U_26260_STR, 
MANDT TYPE STRING,
LFART TYPE STRING,
SPRAS TYPE STRING,
LFTYP TYPE STRING,
KAPPL TYPE STRING,
NUMKI TYPE STRING,
NUMKE TYPE STRING,
INCPO TYPE STRING,
RFBFK TYPE STRING,
NARVF TYPE STRING,
LFARTS TYPE STRING,
KALSMK TYPE STRING,
KALSMP TYPE STRING,
KSCHL TYPE STRING,
ABART TYPE STRING,
STATI TYPE STRING,
LFART_RL TYPE STRING,
RELEP TYPE STRING,
PARGK TYPE STRING,
PARGP TYPE STRING,
KALVG TYPE STRING,
WERKM TYPE STRING,
PRDVO TYPE STRING,
INFOL TYPE STRING,
XBLNR_FI TYPE STRING,
XRBLN_FI TYPE STRING,
BLART TYPE STRING,
XNEGP TYPE STRING,
WZFBD TYPE STRING,
WZLSPR TYPE STRING,
WZLSPL TYPE STRING,
LFGRU_VO TYPE STRING,
VTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_U_26260_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_26260_STR-MANDT sy-vline 
WA_U_26260_STR-LFART sy-vline 
WA_U_26260_STR-SPRAS sy-vline 
WA_U_26260_STR-LFTYP sy-vline 
WA_U_26260_STR-KAPPL sy-vline 
WA_U_26260_STR-NUMKI sy-vline 
WA_U_26260_STR-NUMKE sy-vline 
WA_U_26260_STR-INCPO sy-vline 
WA_U_26260_STR-RFBFK sy-vline 
WA_U_26260_STR-NARVF sy-vline 
WA_U_26260_STR-LFARTS sy-vline 
WA_U_26260_STR-KALSMK sy-vline 
WA_U_26260_STR-KALSMP sy-vline 
WA_U_26260_STR-KSCHL sy-vline 
WA_U_26260_STR-ABART sy-vline 
WA_U_26260_STR-STATI sy-vline 
WA_U_26260_STR-LFART_RL sy-vline 
WA_U_26260_STR-RELEP sy-vline 
WA_U_26260_STR-PARGK sy-vline 
WA_U_26260_STR-PARGP sy-vline 
WA_U_26260_STR-KALVG sy-vline 
WA_U_26260_STR-WERKM sy-vline 
WA_U_26260_STR-PRDVO sy-vline 
WA_U_26260_STR-INFOL sy-vline 
WA_U_26260_STR-XBLNR_FI sy-vline 
WA_U_26260_STR-XRBLN_FI sy-vline 
WA_U_26260_STR-BLART sy-vline 
WA_U_26260_STR-XNEGP sy-vline 
WA_U_26260_STR-WZFBD sy-vline 
WA_U_26260_STR-WZLSPR sy-vline 
WA_U_26260_STR-WZLSPL sy-vline 
WA_U_26260_STR-LFGRU_VO sy-vline 
WA_U_26260_STR-VTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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