ABAP Select data from SAP table IBKK_DYN_CF_NAMES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBKK_DYN_CF_NAMES
*  INTO TABLE @DATA(IT_IBKK_DYN_CF_NAMES2).
*--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_IBKK_DYN_CF_NAMES INDEX 1 INTO DATA(WA_IBKK_DYN_CF_NAMES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBKK_DYN_CF_NAMES>-NAME1 = 1.
<IBKK_DYN_CF_NAMES>-NAME2 = 1.
<IBKK_DYN_CF_NAMES>-NAME3 = 1.
<IBKK_DYN_CF_NAMES>-NAME4 = 1.
<IBKK_DYN_CF_NAMES>-NAME5 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBKK_DYN_CF_NAMES-NAME6, sy-vline,
  WA_IBKK_DYN_CF_NAMES-VISIB1, sy-vline,
  WA_IBKK_DYN_CF_NAMES-VISIB2, sy-vline,
  WA_IBKK_DYN_CF_NAMES-VISIB3, sy-vline,
  WA_IBKK_DYN_CF_NAMES-VISIB4, sy-vline,
  WA_IBKK_DYN_CF_NAMES-VISIB5, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBKK_DYN_CF_NAMES 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_IBKK_DYN_CF_NAMES 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_IBKK_DYN_CF_NAMES INTO WA_IBKK_DYN_CF_NAMES.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IBKK_DYN_CF_NAMES_STR, 
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
NAME5 TYPE STRING,
NAME6 TYPE STRING,
VISIB1 TYPE STRING,
VISIB2 TYPE STRING,
VISIB3 TYPE STRING,
VISIB4 TYPE STRING,
VISIB5 TYPE STRING,
VISIB6 TYPE STRING,
VISL1 TYPE STRING,
VISL2 TYPE STRING,
VISL3 TYPE STRING,
VISL4 TYPE STRING,
VISL5 TYPE STRING,
VISL6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBKK_DYN_CF_NAMES_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_IBKK_DYN_CF_NAMES_STR-NAME1 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-NAME2 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-NAME3 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-NAME4 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-NAME5 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-NAME6 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISIB1 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISIB2 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISIB3 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISIB4 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISIB5 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISIB6 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISL1 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISL2 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISL3 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISL4 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISL5 sy-vline 
WA_IBKK_DYN_CF_NAMES_STR-VISL6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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