ABAP Select data from SAP table FKKEPOS_PAY_CLR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKEPOS_PAY_CLR
*  INTO TABLE @DATA(IT_FKKEPOS_PAY_CLR2).
*--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_FKKEPOS_PAY_CLR INDEX 1 INTO DATA(WA_FKKEPOS_PAY_CLR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKEPOS_PAY_CLR>-OPBEL = 1.
<FKKEPOS_PAY_CLR>-XBLNR = 1.
<FKKEPOS_PAY_CLR>-AUGBD = 1.
<FKKEPOS_PAY_CLR>-AUGWA = 1.
<FKKEPOS_PAY_CLR>-BLART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKEPOS_PAY_CLR-HERKF, sy-vline,
  WA_FKKEPOS_PAY_CLR-STBEL, sy-vline,
  WA_FKKEPOS_PAY_CLR-STORB, sy-vline,
  WA_FKKEPOS_PAY_CLR-BUDAT, sy-vline,
  WA_FKKEPOS_PAY_CLR-BLDAT, sy-vline,
  WA_FKKEPOS_PAY_CLR-NEBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKEPOS_PAY_CLR 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_FKKEPOS_PAY_CLR 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_FKKEPOS_PAY_CLR INTO WA_FKKEPOS_PAY_CLR.


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

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

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

*Conversion exit ALPHA, internal->external for field STORB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEPOS_PAY_CLR-STORB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEPOS_PAY_CLR-STORB.
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_FKKEPOS_PAY_CLR_STR, 
OPBEL TYPE STRING,
XBLNR TYPE STRING,
AUGBD TYPE STRING,
AUGWA TYPE STRING,
BLART TYPE STRING,
HERKF TYPE STRING,
STBEL TYPE STRING,
STORB TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
NEBTR TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
ERNAM TYPE STRING,
XARCH TYPE STRING,
SKTHW TYPE STRING,
SKTFW TYPE STRING,
STOFW TYPE STRING,
XTKLA TYPE STRING,
BETRZ TYPE STRING,
WAERZ TYPE STRING,
XZCLR TYPE STRING,
STHKF TYPE STRING,
TATYP TYPE STRING,
ABGRD TYPE STRING,
XMBEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKEPOS_PAY_CLR_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_FKKEPOS_PAY_CLR_STR-OPBEL sy-vline 
WA_FKKEPOS_PAY_CLR_STR-XBLNR sy-vline 
WA_FKKEPOS_PAY_CLR_STR-AUGBD sy-vline 
WA_FKKEPOS_PAY_CLR_STR-AUGWA sy-vline 
WA_FKKEPOS_PAY_CLR_STR-BLART sy-vline 
WA_FKKEPOS_PAY_CLR_STR-HERKF sy-vline 
WA_FKKEPOS_PAY_CLR_STR-STBEL sy-vline 
WA_FKKEPOS_PAY_CLR_STR-STORB sy-vline 
WA_FKKEPOS_PAY_CLR_STR-BUDAT sy-vline 
WA_FKKEPOS_PAY_CLR_STR-BLDAT sy-vline 
WA_FKKEPOS_PAY_CLR_STR-NEBTR sy-vline 
WA_FKKEPOS_PAY_CLR_STR-CPUDT sy-vline 
WA_FKKEPOS_PAY_CLR_STR-CPUTM sy-vline 
WA_FKKEPOS_PAY_CLR_STR-ERNAM sy-vline 
WA_FKKEPOS_PAY_CLR_STR-XARCH sy-vline 
WA_FKKEPOS_PAY_CLR_STR-SKTHW sy-vline 
WA_FKKEPOS_PAY_CLR_STR-SKTFW sy-vline 
WA_FKKEPOS_PAY_CLR_STR-STOFW sy-vline 
WA_FKKEPOS_PAY_CLR_STR-XTKLA sy-vline 
WA_FKKEPOS_PAY_CLR_STR-BETRZ sy-vline 
WA_FKKEPOS_PAY_CLR_STR-WAERZ sy-vline 
WA_FKKEPOS_PAY_CLR_STR-XZCLR sy-vline 
WA_FKKEPOS_PAY_CLR_STR-STHKF sy-vline 
WA_FKKEPOS_PAY_CLR_STR-TATYP sy-vline 
WA_FKKEPOS_PAY_CLR_STR-ABGRD sy-vline 
WA_FKKEPOS_PAY_CLR_STR-XMBEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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