ABAP Select data from SAP table FKKEBPP_CONTROL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKEBPP_CONTROL
*  INTO TABLE @DATA(IT_FKKEBPP_CONTROL2).
*--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_FKKEBPP_CONTROL INDEX 1 INTO DATA(WA_FKKEBPP_CONTROL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKEBPP_CONTROL>-GPART = 1.
<FKKEBPP_CONTROL>-VKONT = 1.
<FKKEBPP_CONTROL>-VTREF = 1.
<FKKEBPP_CONTROL>-SUBAP = 1.
<FKKEBPP_CONTROL>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKEBPP_CONTROL-DUE_DATE_LOW, sy-vline,
  WA_FKKEBPP_CONTROL-DUE_DATE_HIGH, sy-vline,
  WA_FKKEBPP_CONTROL-OPEN_ITEMS, sy-vline,
  WA_FKKEBPP_CONTROL-CLEARED_ITEMS, sy-vline,
  WA_FKKEBPP_CONTROL-PAYMENT_TYPE, sy-vline,
  WA_FKKEBPP_CONTROL-PAYMENT_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKEBPP_CONTROL 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_FKKEBPP_CONTROL 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_FKKEBPP_CONTROL INTO WA_FKKEBPP_CONTROL.


*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_FKKEBPP_CONTROL-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEBPP_CONTROL-GPART.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PPKEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEBPP_CONTROL-PPKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEBPP_CONTROL-PPKEY.
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_FKKEBPP_CONTROL_STR, 
GPART TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,
BUKRS TYPE STRING,
DUE_DATE_LOW TYPE STRING,
DUE_DATE_HIGH TYPE STRING,
OPEN_ITEMS TYPE STRING,
CLEARED_ITEMS TYPE STRING,
PAYMENT_TYPE TYPE STRING,
PAYMENT_ID TYPE STRING,
CHECK_DISPUTES TYPE STRING,
PREVIOUS_BALANCE TYPE STRING,
PRATP TYPE STRING,
ISFCC TYPE STRING,
XBLNR TYPE STRING,
OPORD TYPE STRING,
DISPLAY_CURRENCY TYPE STRING,
CONVERT_PAYMENTS TYPE STRING,
OPBEL TYPE STRING,
CMGRP TYPE STRING,
ONLYO TYPE STRING,
ALLCR TYPE STRING,
DOC_DATE_LOW TYPE STRING,
DOC_DATE_HIGH TYPE STRING,
CALLED_BY_SERVICE TYPE STRING,
DUE_UNTIL TYPE STRING,
CLEARED_SINCE TYPE STRING,
SKIP_ARCHIVE TYPE STRING,
PPKEY TYPE STRING,
NO_INVOICE_REVERSED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKEBPP_CONTROL_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_FKKEBPP_CONTROL_STR-GPART sy-vline 
WA_FKKEBPP_CONTROL_STR-VKONT sy-vline 
WA_FKKEBPP_CONTROL_STR-VTREF sy-vline 
WA_FKKEBPP_CONTROL_STR-SUBAP sy-vline 
WA_FKKEBPP_CONTROL_STR-BUKRS sy-vline 
WA_FKKEBPP_CONTROL_STR-DUE_DATE_LOW sy-vline 
WA_FKKEBPP_CONTROL_STR-DUE_DATE_HIGH sy-vline 
WA_FKKEBPP_CONTROL_STR-OPEN_ITEMS sy-vline 
WA_FKKEBPP_CONTROL_STR-CLEARED_ITEMS sy-vline 
WA_FKKEBPP_CONTROL_STR-PAYMENT_TYPE sy-vline 
WA_FKKEBPP_CONTROL_STR-PAYMENT_ID sy-vline 
WA_FKKEBPP_CONTROL_STR-CHECK_DISPUTES sy-vline 
WA_FKKEBPP_CONTROL_STR-PREVIOUS_BALANCE sy-vline 
WA_FKKEBPP_CONTROL_STR-PRATP sy-vline 
WA_FKKEBPP_CONTROL_STR-ISFCC sy-vline 
WA_FKKEBPP_CONTROL_STR-XBLNR sy-vline 
WA_FKKEBPP_CONTROL_STR-OPORD sy-vline 
WA_FKKEBPP_CONTROL_STR-DISPLAY_CURRENCY sy-vline 
WA_FKKEBPP_CONTROL_STR-CONVERT_PAYMENTS sy-vline 
WA_FKKEBPP_CONTROL_STR-OPBEL sy-vline 
WA_FKKEBPP_CONTROL_STR-CMGRP sy-vline 
WA_FKKEBPP_CONTROL_STR-ONLYO sy-vline 
WA_FKKEBPP_CONTROL_STR-ALLCR sy-vline 
WA_FKKEBPP_CONTROL_STR-DOC_DATE_LOW sy-vline 
WA_FKKEBPP_CONTROL_STR-DOC_DATE_HIGH sy-vline 
WA_FKKEBPP_CONTROL_STR-CALLED_BY_SERVICE sy-vline 
WA_FKKEBPP_CONTROL_STR-DUE_UNTIL sy-vline 
WA_FKKEBPP_CONTROL_STR-CLEARED_SINCE sy-vline 
WA_FKKEBPP_CONTROL_STR-SKIP_ARCHIVE sy-vline 
WA_FKKEBPP_CONTROL_STR-PPKEY sy-vline 
WA_FKKEBPP_CONTROL_STR-NO_INVOICE_REVERSED sy-vline      INTO ld_text SEPARATED BY SPACE.

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