ABAP Select data from SAP table EHFNDS_AIF_LOC_BARCODES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_AIF_LOC_BARCODES
*  INTO TABLE @DATA(IT_EHFNDS_AIF_LOC_BARCODES2).
*--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_EHFNDS_AIF_LOC_BARCODES INDEX 1 INTO DATA(WA_EHFNDS_AIF_LOC_BARCODES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_AIF_LOC_BARCODES>-FORM_CONTEXT = 1.
<EHFNDS_AIF_LOC_BARCODES>-OBJECTS = 1.
<EHFNDS_AIF_LOC_BARCODES>-WORKFLOW_LPOR = 1.
<EHFNDS_AIF_LOC_BARCODES>-INSTID = 1.
<EHFNDS_AIF_LOC_BARCODES>-TYPEID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDS_AIF_LOC_BARCODES-CATID, sy-vline,
  WA_EHFNDS_AIF_LOC_BARCODES-BO_KEY_REF, sy-vline,
  WA_EHFNDS_AIF_LOC_BARCODES-ROOT_KEY_REF, sy-vline,
  WA_EHFNDS_AIF_LOC_BARCODES-NODE_KEY_REF, sy-vline,
  WA_EHFNDS_AIF_LOC_BARCODES-KEY_REF, sy-vline,
  WA_EHFNDS_AIF_LOC_BARCODES-META_DATA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_AIF_LOC_BARCODES 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_EHFNDS_AIF_LOC_BARCODES 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_EHFNDS_AIF_LOC_BARCODES INTO WA_EHFNDS_AIF_LOC_BARCODES.


*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 LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_AIF_LOC_BARCODES-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_AIF_LOC_BARCODES-LANGU.
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_EHFNDS_AIF_LOC_BARCODES_STR, 
FORM_CONTEXT TYPE STRING,
OBJECTS TYPE STRING,
WORKFLOW_LPOR TYPE STRING,
INSTID TYPE STRING,
TYPEID TYPE STRING,
CATID TYPE STRING,
BO_KEY_REF TYPE STRING,
ROOT_KEY_REF TYPE STRING,
NODE_KEY_REF TYPE STRING,
KEY_REF TYPE STRING,
META_DATA TYPE STRING,
CR_DATE TYPE STRING,
CR_TIME TYPE STRING,
CR_BY TYPE STRING,
WORKFLOW_LPOR TYPE STRING,
INSTID TYPE STRING,
TYPEID TYPE STRING,
CATID TYPE STRING,
FORM_NAME TYPE STRING,
FORM_TYPE TYPE STRING,
FORM_DESCR TYPE STRING,
FORM_CAT TYPE STRING,
RESP_MAIL TYPE STRING,
FORM_CR_CTRL TYPE STRING,
INBOUND_PERSISTER TYPE STRING,
DATA_PROVIDER TYPE STRING,
AIF_FORM_NAME TYPE STRING,
LANGU TYPE STRING,
IS_FALLBACK_LANGU TYPE STRING,
COUNTRY TYPE STRING,
IS_DEFAULT_FORM_OF_GROUP TYPE STRING,
GROUP_NAME TYPE STRING,
GROUP_DESCR TYPE STRING,
COMPONENT TYPE STRING,
POPUP_NAME TYPE STRING,
TAKEOVER_CONF TYPE STRING,
CHECKSUM TYPE STRING,
CHECKSUM_INCL TYPE STRING,
LOCATIONS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_AIF_LOC_BARCODES_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_EHFNDS_AIF_LOC_BARCODES_STR-FORM_CONTEXT sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-OBJECTS sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-WORKFLOW_LPOR sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-INSTID sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-TYPEID sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-CATID sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-BO_KEY_REF sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-ROOT_KEY_REF sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-NODE_KEY_REF sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-KEY_REF sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-META_DATA sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-CR_DATE sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-CR_TIME sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-CR_BY sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-WORKFLOW_LPOR sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-INSTID sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-TYPEID sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-CATID sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-FORM_NAME sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-FORM_TYPE sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-FORM_DESCR sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-FORM_CAT sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-RESP_MAIL sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-FORM_CR_CTRL sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-INBOUND_PERSISTER sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-DATA_PROVIDER sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-AIF_FORM_NAME sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-LANGU sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-IS_FALLBACK_LANGU sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-COUNTRY sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-IS_DEFAULT_FORM_OF_GROUP sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-GROUP_NAME sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-GROUP_DESCR sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-COMPONENT sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-POPUP_NAME sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-TAKEOVER_CONF sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-CHECKSUM sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-CHECKSUM_INCL sy-vline 
WA_EHFNDS_AIF_LOC_BARCODES_STR-LOCATIONS sy-vline      INTO ld_text SEPARATED BY SPACE.

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