ABAP Select data from SAP table FKK_CRM_ACCOUNT_GROUP_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_CRM_ACCOUNT_GROUP_EXT
*  INTO TABLE @DATA(IT_FKK_CRM_ACCOUNT_GROUP_EXT2).
*--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_FKK_CRM_ACCOUNT_GROUP_EXT INDEX 1 INTO DATA(WA_FKK_CRM_ACCOUNT_GROUP_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_CRM_ACCOUNT_GROUP_EXT>-GPART = 1.
<FKK_CRM_ACCOUNT_GROUP_EXT>-VKONT = 1.
<FKK_CRM_ACCOUNT_GROUP_EXT>-BALKEY = 1.
<FKK_CRM_ACCOUNT_GROUP_EXT>-GRPKEY = 1.
<FKK_CRM_ACCOUNT_GROUP_EXT>-REFERENCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_CRM_ACCOUNT_GROUP_EXT-SICON, sy-vline,
  WA_FKK_CRM_ACCOUNT_GROUP_EXT-DESCR, sy-vline,
  WA_FKK_CRM_ACCOUNT_GROUP_EXT-AMOUNT, sy-vline,
  WA_FKK_CRM_ACCOUNT_GROUP_EXT-OPENAMOUNT, sy-vline,
  WA_FKK_CRM_ACCOUNT_GROUP_EXT-PAYAMOUNT, sy-vline,
  WA_FKK_CRM_ACCOUNT_GROUP_EXT-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_CRM_ACCOUNT_GROUP_EXT 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_FKK_CRM_ACCOUNT_GROUP_EXT 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_FKK_CRM_ACCOUNT_GROUP_EXT INTO WA_FKK_CRM_ACCOUNT_GROUP_EXT.


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

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

*Conversion exit ALPHA, internal->external for field VTREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_CRM_ACCOUNT_GROUP_EXT-VTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_CRM_ACCOUNT_GROUP_EXT-VTREF.
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_FKK_CRM_ACCOUNT_GROUP_EXT_STR, 
GPART TYPE STRING,
VKONT TYPE STRING,
BALKEY TYPE STRING,
GRPKEY TYPE STRING,
REFERENCE TYPE STRING,
SICON TYPE STRING,
DESCR TYPE STRING,
AMOUNT TYPE STRING,
OPENAMOUNT TYPE STRING,
PAYAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
BLDAT TYPE STRING,
FAEDN TYPE STRING,
STUDT TYPE STRING,
MAHNV TYPE STRING,
MAHNS TYPE STRING,
MAHNSTXT TYPE STRING,
URL TYPE STRING,
CONTENT_URL TYPE STRING,
MIMETYPE TYPE STRING,
IDISP TYPE STRING,
DSPAM TYPE STRING,
VTREF TYPE STRING,
OPORD TYPE STRING,
BLDAT_FROM TYPE STRING,
BLDAT_TO TYPE STRING,
FAEDN_FROM TYPE STRING,
FAEDN_TO TYPE STRING,
BETRW_FROM TYPE STRING,
BETRW_TO TYPE STRING,
SUBAP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_CRM_ACCOUNT_GROUP_EXT_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_FKK_CRM_ACCOUNT_GROUP_EXT_STR-GPART sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-VKONT sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-BALKEY sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-GRPKEY sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-REFERENCE sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-SICON sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-DESCR sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-AMOUNT sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-OPENAMOUNT sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-PAYAMOUNT sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-CURRENCY sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-BLDAT sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-FAEDN sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-STUDT sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-MAHNV sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-MAHNS sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-MAHNSTXT sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-URL sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-CONTENT_URL sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-MIMETYPE sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-IDISP sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-DSPAM sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-VTREF sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-OPORD sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-BLDAT_FROM sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-BLDAT_TO sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-FAEDN_FROM sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-FAEDN_TO sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-BETRW_FROM sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-BETRW_TO sy-vline 
WA_FKK_CRM_ACCOUNT_GROUP_EXT_STR-SUBAP sy-vline      INTO ld_text SEPARATED BY SPACE.

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