ABAP Select data from SAP table /ACCGO/S_PPMG_PAYMENT_REQUEST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/S_PPMG_PAYMENT_REQUEST 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 /ACCGO/S_PPMG_PAYMENT_REQUEST. 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 /ACCGO/S_PPMG_PAYMENT_REQUEST 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_/ACCGO/S_PPMG_PAYMENT_REQUEST TYPE STANDARD TABLE OF /ACCGO/S_PPMG_PAYMENT_REQUEST,
      WA_/ACCGO/S_PPMG_PAYMENT_REQUEST TYPE /ACCGO/S_PPMG_PAYMENT_REQUEST,
      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: </ACCGO/S_PPMG_PAYMENT_REQUEST> TYPE /ACCGO/S_PPMG_PAYMENT_REQUEST.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/S_PPMG_PAYMENT_REQUEST
  INTO TABLE IT_/ACCGO/S_PPMG_PAYMENT_REQUEST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/S_PPMG_PAYMENT_REQUEST
*  INTO TABLE @DATA(IT_/ACCGO/S_PPMG_PAYMENT_REQUEST2).
*--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_/ACCGO/S_PPMG_PAYMENT_REQUEST INDEX 1 INTO DATA(WA_/ACCGO/S_PPMG_PAYMENT_REQUEST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/S_PPMG_PAYMENT_REQUEST ASSIGNING </ACCGO/S_PPMG_PAYMENT_REQUEST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/S_PPMG_PAYMENT_REQUEST>-TKONN = 1.
</ACCGO/S_PPMG_PAYMENT_REQUEST>-TPOSN = 1.
</ACCGO/S_PPMG_PAYMENT_REQUEST>-ZTERM = 1.
</ACCGO/S_PPMG_PAYMENT_REQUEST>-REFERENCE = 1.
</ACCGO/S_PPMG_PAYMENT_REQUEST>-PPMT_REQ = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/S_PPMG_PAYMENT_REQUEST INTO WA_/ACCGO/S_PPMG_PAYMENT_REQUEST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/S_PPMG_PAYMENT_REQUEST-PPMT_DATE, sy-vline,
  WA_/ACCGO/S_PPMG_PAYMENT_REQUEST-PPMT_RCVD, sy-vline,
  WA_/ACCGO/S_PPMG_PAYMENT_REQUEST-PPMT_MADE, sy-vline,
  WA_/ACCGO/S_PPMG_PAYMENT_REQUEST-PPMT_TYP, sy-vline,
  WA_/ACCGO/S_PPMG_PAYMENT_REQUEST-PPMT_AMT, sy-vline,
  WA_/ACCGO/S_PPMG_PAYMENT_REQUEST-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/S_PPMG_PAYMENT_REQUEST 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_/ACCGO/S_PPMG_PAYMENT_REQUEST 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_/ACCGO/S_PPMG_PAYMENT_REQUEST INTO WA_/ACCGO/S_PPMG_PAYMENT_REQUEST.


*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 TKONN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/S_PPMG_PAYMENT_REQUEST-TKONN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/S_PPMG_PAYMENT_REQUEST-TKONN.
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_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR, 
TKONN TYPE STRING,
TPOSN TYPE STRING,
ZTERM TYPE STRING,
REFERENCE TYPE STRING,
PPMT_REQ TYPE STRING,
PPMT_DATE TYPE STRING,
PPMT_RCVD TYPE STRING,
PPMT_MADE TYPE STRING,
PPMT_TYP TYPE STRING,
PPMT_AMT TYPE STRING,
WAERS TYPE STRING,
SERIAL_NUMBER TYPE STRING,
STATUS_TEXT TYPE STRING,
STATUS TYPE STRING,
/ACCGO/FINAL_COMM_SETTL TYPE STRING,
PAYMENT_TERMS_GUID TYPE STRING,
UPDKZ_IND TYPE STRING,
ZTERM_FC TYPE STRING,
PPMT_REQ_FC TYPE STRING,
PPMT_DATE_FC TYPE STRING,
PPMT_RCVD_FC TYPE STRING,
PPMT_MADE_FC TYPE STRING,
PPMT_TYP_FC TYPE STRING,
PPMT_AMT_FC TYPE STRING,
WAERS_FC TYPE STRING,
/ACCGO/FINAL_COMM_SETTL_FC TYPE STRING,
SERIAL_NUMBER_FC TYPE STRING,
STATUS_FC TYPE STRING,
STATUS_CRIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_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_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-TKONN sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-TPOSN sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-ZTERM sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-REFERENCE sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_REQ sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_DATE sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_RCVD sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_MADE sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_TYP sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_AMT sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-WAERS sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-SERIAL_NUMBER sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-STATUS_TEXT sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-STATUS sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-/ACCGO/FINAL_COMM_SETTL sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PAYMENT_TERMS_GUID sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-UPDKZ_IND sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-ZTERM_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_REQ_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_DATE_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_RCVD_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_MADE_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_TYP_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-PPMT_AMT_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-WAERS_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-/ACCGO/FINAL_COMM_SETTL_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-SERIAL_NUMBER_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-STATUS_FC sy-vline 
WA_/ACCGO/S_PPMG_PAYMENT_REQUEST_STR-STATUS_CRIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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