ABAP Select data from SAP table REEXC_PAYMENT_COCD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REEXC_PAYMENT_COCD
*  INTO TABLE @DATA(IT_REEXC_PAYMENT_COCD2).
*--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_REEXC_PAYMENT_COCD INDEX 1 INTO DATA(WA_REEXC_PAYMENT_COCD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REEXC_PAYMENT_COCD>-MANDT = 1.
<REEXC_PAYMENT_COCD>-ZBUKR = 1.
<REEXC_PAYMENT_COCD>-ZLSCH = 1.
<REEXC_PAYMENT_COCD>-XAVIS = 1.
<REEXC_PAYMENT_COCD>-ANZPO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REEXC_PAYMENT_COCD-VONBT, sy-vline,
  WA_REEXC_PAYMENT_COCD-BISBT, sy-vline,
  WA_REEXC_PAYMENT_COCD-WAERS, sy-vline,
  WA_REEXC_PAYMENT_COCD-XEIPO, sy-vline,
  WA_REEXC_PAYMENT_COCD-XAUSL, sy-vline,
  WA_REEXC_PAYMENT_COCD-XFWAE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REEXC_PAYMENT_COCD 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_REEXC_PAYMENT_COCD 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_REEXC_PAYMENT_COCD INTO WA_REEXC_PAYMENT_COCD.


*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 AU132, internal->external for field VONBT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_REEXC_PAYMENT_COCD-VONBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEXC_PAYMENT_COCD-VONBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field BISBT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_REEXC_PAYMENT_COCD-BISBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEXC_PAYMENT_COCD-BISBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field SPLBT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_REEXC_PAYMENT_COCD-SPLBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEXC_PAYMENT_COCD-SPLBT.
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_REEXC_PAYMENT_COCD_STR, 
MANDT TYPE STRING,
ZBUKR TYPE STRING,
ZLSCH TYPE STRING,
XAVIS TYPE STRING,
ANZPO TYPE STRING,
VONBT TYPE STRING,
BISBT TYPE STRING,
WAERS TYPE STRING,
XEIPO TYPE STRING,
XAUSL TYPE STRING,
XFWAE TYPE STRING,
XAUSB TYPE STRING,
XOPTB TYPE STRING,
XOPTP TYPE STRING,
AUST1 TYPE STRING,
AUST2 TYPE STRING,
AUSTO TYPE STRING,
ZFORN TYPE STRING,
PDFFO TYPE STRING,
WFORN TYPE STRING,
PDFWF TYPE STRING,
XFOSP TYPE STRING,
AUST3 TYPE STRING,
XZFAE TYPE STRING,
XSAVI TYPE STRING,
CORRTXT TYPE STRING,
XWVBU TYPE STRING,
WANFF TYPE STRING,
WGBKZ TYPE STRING,
SVARH TYPE STRING,
SVARP TYPE STRING,
SPLBT TYPE STRING,
XZWAE TYPE STRING,
XNOTX TYPE STRING,
XEIPO_EXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REEXC_PAYMENT_COCD_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_REEXC_PAYMENT_COCD_STR-MANDT sy-vline 
WA_REEXC_PAYMENT_COCD_STR-ZBUKR sy-vline 
WA_REEXC_PAYMENT_COCD_STR-ZLSCH sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XAVIS sy-vline 
WA_REEXC_PAYMENT_COCD_STR-ANZPO sy-vline 
WA_REEXC_PAYMENT_COCD_STR-VONBT sy-vline 
WA_REEXC_PAYMENT_COCD_STR-BISBT sy-vline 
WA_REEXC_PAYMENT_COCD_STR-WAERS sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XEIPO sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XAUSL sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XFWAE sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XAUSB sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XOPTB sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XOPTP sy-vline 
WA_REEXC_PAYMENT_COCD_STR-AUST1 sy-vline 
WA_REEXC_PAYMENT_COCD_STR-AUST2 sy-vline 
WA_REEXC_PAYMENT_COCD_STR-AUSTO sy-vline 
WA_REEXC_PAYMENT_COCD_STR-ZFORN sy-vline 
WA_REEXC_PAYMENT_COCD_STR-PDFFO sy-vline 
WA_REEXC_PAYMENT_COCD_STR-WFORN sy-vline 
WA_REEXC_PAYMENT_COCD_STR-PDFWF sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XFOSP sy-vline 
WA_REEXC_PAYMENT_COCD_STR-AUST3 sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XZFAE sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XSAVI sy-vline 
WA_REEXC_PAYMENT_COCD_STR-CORRTXT sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XWVBU sy-vline 
WA_REEXC_PAYMENT_COCD_STR-WANFF sy-vline 
WA_REEXC_PAYMENT_COCD_STR-WGBKZ sy-vline 
WA_REEXC_PAYMENT_COCD_STR-SVARH sy-vline 
WA_REEXC_PAYMENT_COCD_STR-SVARP sy-vline 
WA_REEXC_PAYMENT_COCD_STR-SPLBT sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XZWAE sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XNOTX sy-vline 
WA_REEXC_PAYMENT_COCD_STR-XEIPO_EXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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