ABAP Select data from SAP table CPAYADVCSUBITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPAYADVCSUBITM
*  INTO TABLE @DATA(IT_CPAYADVCSUBITM2).
*--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_CPAYADVCSUBITM INDEX 1 INTO DATA(WA_CPAYADVCSUBITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPAYADVCSUBITM>-MANDT = 1.
<CPAYADVCSUBITM>-COMPANYCODE = 1.
<CPAYADVCSUBITM>-PAYMENTADVICEACCOUNTTYPE = 1.
<CPAYADVCSUBITM>-PAYMENTADVICEACCOUNT = 1.
<CPAYADVCSUBITM>-PAYMENTADVICE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPAYADVCSUBITM-PAYMENTADVICEITEM, sy-vline,
  WA_CPAYADVCSUBITM-PAYMENTADVICESUBITEM, sy-vline,
  WA_CPAYADVCSUBITM-COMPANYCODEFOREDIT, sy-vline,
  WA_CPAYADVCSUBITM-PAYTADVICEACCOUNTTYPEFOREDIT, sy-vline,
  WA_CPAYADVCSUBITM-PAYMENTADVICEACCOUNTFOREDIT, sy-vline,
  WA_CPAYADVCSUBITM-PAYMENTADVICEFOREDIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPAYADVCSUBITM 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_CPAYADVCSUBITM 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_CPAYADVCSUBITM INTO WA_CPAYADVCSUBITM.


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

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

*Conversion exit AC132, internal->external for field GROSSDEDUCTIONAMOUNTINPAYTCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_CPAYADVCSUBITM-GROSSDEDUCTIONAMOUNTINPAYTCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPAYADVCSUBITM-GROSSDEDUCTIONAMOUNTINPAYTCRCY.
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_CPAYADVCSUBITM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
PAYMENTADVICEACCOUNTTYPE TYPE STRING,
PAYMENTADVICEACCOUNT TYPE STRING,
PAYMENTADVICE TYPE STRING,
PAYMENTADVICEITEM TYPE STRING,
PAYMENTADVICESUBITEM TYPE STRING,
COMPANYCODEFOREDIT TYPE STRING,
PAYTADVICEACCOUNTTYPEFOREDIT TYPE STRING,
PAYMENTADVICEACCOUNTFOREDIT TYPE STRING,
PAYMENTADVICEFOREDIT TYPE STRING,
PAYMENTADVICEITEMFOREDIT TYPE STRING,
PAYMENTADVICESUBITEMFOREDIT TYPE STRING,
GROSSDEDUCTIONAMOUNTINPAYTCRCY TYPE STRING,
PAYMENTDIFFERENCEREASON TYPE STRING,
PAYMENTDIFFERENCEREASONNAME TYPE STRING,
PAYMENTDIFFERENCEREASONDESC TYPE STRING,
REFERENCE1IDBYBUSINESSPARTNER TYPE STRING,
REFERENCE2IDBYBUSINESSPARTNER TYPE STRING,
PAYTDIFFERENCEREASONEXTCODE TYPE STRING,
CURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPAYADVCSUBITM_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_CPAYADVCSUBITM_STR-MANDT sy-vline 
WA_CPAYADVCSUBITM_STR-COMPANYCODE sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICEACCOUNTTYPE sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICEACCOUNT sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICE sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICEITEM sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICESUBITEM sy-vline 
WA_CPAYADVCSUBITM_STR-COMPANYCODEFOREDIT sy-vline 
WA_CPAYADVCSUBITM_STR-PAYTADVICEACCOUNTTYPEFOREDIT sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICEACCOUNTFOREDIT sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICEFOREDIT sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICEITEMFOREDIT sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTADVICESUBITEMFOREDIT sy-vline 
WA_CPAYADVCSUBITM_STR-GROSSDEDUCTIONAMOUNTINPAYTCRCY sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTDIFFERENCEREASON sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTDIFFERENCEREASONNAME sy-vline 
WA_CPAYADVCSUBITM_STR-PAYMENTDIFFERENCEREASONDESC sy-vline 
WA_CPAYADVCSUBITM_STR-REFERENCE1IDBYBUSINESSPARTNER sy-vline 
WA_CPAYADVCSUBITM_STR-REFERENCE2IDBYBUSINESSPARTNER sy-vline 
WA_CPAYADVCSUBITM_STR-PAYTDIFFERENCEREASONEXTCODE sy-vline 
WA_CPAYADVCSUBITM_STR-CURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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