ABAP Select data from SAP table AKBLD_CARD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AKBLD_CARD
*  INTO TABLE @DATA(IT_AKBLD_CARD2).
*--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_AKBLD_CARD INDEX 1 INTO DATA(WA_AKBLD_CARD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AKBLD_CARD>-CCINS = 1.
<AKBLD_CARD>-CCNUM = 1.
<AKBLD_CARD>-CCNAME = 1.
<AKBLD_CARD>-CCTYP = 1.
<AKBLD_CARD>-CRPUDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AKBLD_CARD-CRAUTHNO, sy-vline,
  WA_AKBLD_CARD-CRSUPPLIER, sy-vline,
  WA_AKBLD_CARD-CRWRBTR, sy-vline,
  WA_AKBLD_CARD-CRMWSKZ, sy-vline,
  WA_AKBLD_CARD-CRTXJCD, sy-vline,
  WA_AKBLD_CARD-CRWMWST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AKBLD_CARD 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_AKBLD_CARD 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_AKBLD_CARD INTO WA_AKBLD_CARD.


*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 CRSUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-CRSUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-CRSUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRWRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-CRWRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-CRWRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRWMWST
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-CRWMWST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-CRWMWST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRNETBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-CRNETBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-CRNETBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRDMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-CRDMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-CRDMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRMWSTS
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-CRMWSTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-CRMWSTS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRNETDMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-CRNETDMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-CRNETDMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field WMWST
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-WMWST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-WMWST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field MWSTS
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-MWSTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-MWSTS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field NETBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-NETBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-NETBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field NETHW
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-NETHW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-NETHW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field GROSBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-GROSBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-GROSBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field GROSHW
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_AKBLD_CARD-GROSHW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AKBLD_CARD-GROSHW.
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_AKBLD_CARD_STR, 
CCINS TYPE STRING,
CCNUM TYPE STRING,
CCNAME TYPE STRING,
CCTYP TYPE STRING,
CRPUDATE TYPE STRING,
CRAUTHNO TYPE STRING,
CRSUPPLIER TYPE STRING,
CRWRBTR TYPE STRING,
CRMWSKZ TYPE STRING,
CRTXJCD TYPE STRING,
CRWMWST TYPE STRING,
CRCALCTAX TYPE STRING,
CRNETBTR TYPE STRING,
CRDMBTR TYPE STRING,
CRMWSTS TYPE STRING,
CRNETDMBTR TYPE STRING,
CRMATGOT TYPE STRING,
CREATE_RES TYPE STRING,
CRMATCH TYPE STRING,
CRMATCHDT TYPE STRING,
CRSUPNAM TYPE STRING,
MWSKZ TYPE STRING,
TXJCD TYPE STRING,
WMWST TYPE STRING,
MWSTS TYPE STRING,
NETBTR TYPE STRING,
NETHW TYPE STRING,
GROSBTR TYPE STRING,
GROSHW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AKBLD_CARD_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_AKBLD_CARD_STR-CCINS sy-vline 
WA_AKBLD_CARD_STR-CCNUM sy-vline 
WA_AKBLD_CARD_STR-CCNAME sy-vline 
WA_AKBLD_CARD_STR-CCTYP sy-vline 
WA_AKBLD_CARD_STR-CRPUDATE sy-vline 
WA_AKBLD_CARD_STR-CRAUTHNO sy-vline 
WA_AKBLD_CARD_STR-CRSUPPLIER sy-vline 
WA_AKBLD_CARD_STR-CRWRBTR sy-vline 
WA_AKBLD_CARD_STR-CRMWSKZ sy-vline 
WA_AKBLD_CARD_STR-CRTXJCD sy-vline 
WA_AKBLD_CARD_STR-CRWMWST sy-vline 
WA_AKBLD_CARD_STR-CRCALCTAX sy-vline 
WA_AKBLD_CARD_STR-CRNETBTR sy-vline 
WA_AKBLD_CARD_STR-CRDMBTR sy-vline 
WA_AKBLD_CARD_STR-CRMWSTS sy-vline 
WA_AKBLD_CARD_STR-CRNETDMBTR sy-vline 
WA_AKBLD_CARD_STR-CRMATGOT sy-vline 
WA_AKBLD_CARD_STR-CREATE_RES sy-vline 
WA_AKBLD_CARD_STR-CRMATCH sy-vline 
WA_AKBLD_CARD_STR-CRMATCHDT sy-vline 
WA_AKBLD_CARD_STR-CRSUPNAM sy-vline 
WA_AKBLD_CARD_STR-MWSKZ sy-vline 
WA_AKBLD_CARD_STR-TXJCD sy-vline 
WA_AKBLD_CARD_STR-WMWST sy-vline 
WA_AKBLD_CARD_STR-MWSTS sy-vline 
WA_AKBLD_CARD_STR-NETBTR sy-vline 
WA_AKBLD_CARD_STR-NETHW sy-vline 
WA_AKBLD_CARD_STR-GROSBTR sy-vline 
WA_AKBLD_CARD_STR-GROSHW sy-vline      INTO ld_text SEPARATED BY SPACE.

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