ABAP Select data from SAP table KOMFK_PBD_MANUAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KOMFK_PBD_MANUAL
*  INTO TABLE @DATA(IT_KOMFK_PBD_MANUAL2).
*--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_KOMFK_PBD_MANUAL INDEX 1 INTO DATA(WA_KOMFK_PBD_MANUAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KOMFK_PBD_MANUAL>-POSNR = 1.
<KOMFK_PBD_MANUAL>-UEPOS = 1.
<KOMFK_PBD_MANUAL>-PSTYV = 1.
<KOMFK_PBD_MANUAL>-MATNR = 1.
<KOMFK_PBD_MANUAL>-ARKTX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KOMFK_PBD_MANUAL-KWMENG, sy-vline,
  WA_KOMFK_PBD_MANUAL-VRKME, sy-vline,
  WA_KOMFK_PBD_MANUAL-WERKS, sy-vline,
  WA_KOMFK_PBD_MANUAL-KSCHL, sy-vline,
  WA_KOMFK_PBD_MANUAL-KBETR, sy-vline,
  WA_KOMFK_PBD_MANUAL-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KOMFK_PBD_MANUAL 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_KOMFK_PBD_MANUAL 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_KOMFK_PBD_MANUAL INTO WA_KOMFK_PBD_MANUAL.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_KOMFK_PBD_MANUAL-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMFK_PBD_MANUAL-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_KOMFK_PBD_MANUAL-VRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMFK_PBD_MANUAL-VRKME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PS_POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_KOMFK_PBD_MANUAL-PS_POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMFK_PBD_MANUAL-PS_POSID.
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_KOMFK_PBD_MANUAL_STR, 
POSNR TYPE STRING,
UEPOS TYPE STRING,
PSTYV TYPE STRING,
MATNR TYPE STRING,
ARKTX TYPE STRING,
KWMENG TYPE STRING,
VRKME TYPE STRING,
WERKS TYPE STRING,
KSCHL TYPE STRING,
KBETR TYPE STRING,
WAERS TYPE STRING,
PS_POSID TYPE STRING,
FKART TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
PRSDT TYPE STRING,
FBUDA TYPE STRING,
IS_CREDIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KOMFK_PBD_MANUAL_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_KOMFK_PBD_MANUAL_STR-POSNR sy-vline 
WA_KOMFK_PBD_MANUAL_STR-UEPOS sy-vline 
WA_KOMFK_PBD_MANUAL_STR-PSTYV sy-vline 
WA_KOMFK_PBD_MANUAL_STR-MATNR sy-vline 
WA_KOMFK_PBD_MANUAL_STR-ARKTX sy-vline 
WA_KOMFK_PBD_MANUAL_STR-KWMENG sy-vline 
WA_KOMFK_PBD_MANUAL_STR-VRKME sy-vline 
WA_KOMFK_PBD_MANUAL_STR-WERKS sy-vline 
WA_KOMFK_PBD_MANUAL_STR-KSCHL sy-vline 
WA_KOMFK_PBD_MANUAL_STR-KBETR sy-vline 
WA_KOMFK_PBD_MANUAL_STR-WAERS sy-vline 
WA_KOMFK_PBD_MANUAL_STR-PS_POSID sy-vline 
WA_KOMFK_PBD_MANUAL_STR-FKART sy-vline 
WA_KOMFK_PBD_MANUAL_STR-VKORG sy-vline 
WA_KOMFK_PBD_MANUAL_STR-VTWEG sy-vline 
WA_KOMFK_PBD_MANUAL_STR-PRSDT sy-vline 
WA_KOMFK_PBD_MANUAL_STR-FBUDA sy-vline 
WA_KOMFK_PBD_MANUAL_STR-IS_CREDIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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