ABAP Select data from SAP table PTRV_RECEIPT_LIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTRV_RECEIPT_LIST
*  INTO TABLE @DATA(IT_PTRV_RECEIPT_LIST2).
*--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_PTRV_RECEIPT_LIST INDEX 1 INTO DATA(WA_PTRV_RECEIPT_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTRV_RECEIPT_LIST>-ICONE = 1.
<PTRV_RECEIPT_LIST>-BELNR = 1.
<PTRV_RECEIPT_LIST>-SPTXT = 1.
<PTRV_RECEIPT_LIST>-BETRG = 1.
<PTRV_RECEIPT_LIST>-WAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTRV_RECEIPT_LIST-BLDAT, sy-vline,
  WA_PTRV_RECEIPT_LIST-KURSB, sy-vline,
  WA_PTRV_RECEIPT_LIST-HBETR, sy-vline,
  WA_PTRV_RECEIPT_LIST-PAYCURR, sy-vline,
  WA_PTRV_RECEIPT_LIST-MWSKZ, sy-vline,
  WA_PTRV_RECEIPT_LIST-TXJCD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTRV_RECEIPT_LIST 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_PTRV_RECEIPT_LIST 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_PTRV_RECEIPT_LIST INTO WA_PTRV_RECEIPT_LIST.


*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 EXCRT, internal->external for field KURSB
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_PTRV_RECEIPT_LIST-KURSB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTRV_RECEIPT_LIST-KURSB.
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_PTRV_RECEIPT_LIST_STR, 
ICONE TYPE STRING,
BELNR TYPE STRING,
SPTXT TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
BLDAT TYPE STRING,
KURSB TYPE STRING,
HBETR TYPE STRING,
PAYCURR TYPE STRING,
MWSKZ TYPE STRING,
TXJCD TYPE STRING,
BTEXT TYPE STRING,
PAYOT TYPE STRING,
DATV1 TYPE STRING,
DATB1 TYPE STRING,
ANZAL TYPE STRING,
ANZFR TYPE STRING,
LNDFR TYPE STRING,
RGION TYPE STRING,
DESCR TYPE STRING,
PLACE TYPE STRING,
BUSPU TYPE STRING,
BUSRE TYPE STRING,
CCOMP TYPE STRING,
C_DOC TYPE STRING,
C_TXT TYPE STRING,
P_CTG TYPE STRING,
P_PRV TYPE STRING,
P_DOC TYPE STRING,
FIRMA TYPE STRING,
SPKZL TYPE STRING,
PAPER_REC TYPE STRING,
N_STF TYPE STRING,
N_PTN TYPE STRING,
N_GST TYPE STRING,
BERFR TYPE STRING,
ANZLU TYPE STRING,
ANZDI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTRV_RECEIPT_LIST_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_PTRV_RECEIPT_LIST_STR-ICONE sy-vline 
WA_PTRV_RECEIPT_LIST_STR-BELNR sy-vline 
WA_PTRV_RECEIPT_LIST_STR-SPTXT sy-vline 
WA_PTRV_RECEIPT_LIST_STR-BETRG sy-vline 
WA_PTRV_RECEIPT_LIST_STR-WAERS sy-vline 
WA_PTRV_RECEIPT_LIST_STR-BLDAT sy-vline 
WA_PTRV_RECEIPT_LIST_STR-KURSB sy-vline 
WA_PTRV_RECEIPT_LIST_STR-HBETR sy-vline 
WA_PTRV_RECEIPT_LIST_STR-PAYCURR sy-vline 
WA_PTRV_RECEIPT_LIST_STR-MWSKZ sy-vline 
WA_PTRV_RECEIPT_LIST_STR-TXJCD sy-vline 
WA_PTRV_RECEIPT_LIST_STR-BTEXT sy-vline 
WA_PTRV_RECEIPT_LIST_STR-PAYOT sy-vline 
WA_PTRV_RECEIPT_LIST_STR-DATV1 sy-vline 
WA_PTRV_RECEIPT_LIST_STR-DATB1 sy-vline 
WA_PTRV_RECEIPT_LIST_STR-ANZAL sy-vline 
WA_PTRV_RECEIPT_LIST_STR-ANZFR sy-vline 
WA_PTRV_RECEIPT_LIST_STR-LNDFR sy-vline 
WA_PTRV_RECEIPT_LIST_STR-RGION sy-vline 
WA_PTRV_RECEIPT_LIST_STR-DESCR sy-vline 
WA_PTRV_RECEIPT_LIST_STR-PLACE sy-vline 
WA_PTRV_RECEIPT_LIST_STR-BUSPU sy-vline 
WA_PTRV_RECEIPT_LIST_STR-BUSRE sy-vline 
WA_PTRV_RECEIPT_LIST_STR-CCOMP sy-vline 
WA_PTRV_RECEIPT_LIST_STR-C_DOC sy-vline 
WA_PTRV_RECEIPT_LIST_STR-C_TXT sy-vline 
WA_PTRV_RECEIPT_LIST_STR-P_CTG sy-vline 
WA_PTRV_RECEIPT_LIST_STR-P_PRV sy-vline 
WA_PTRV_RECEIPT_LIST_STR-P_DOC sy-vline 
WA_PTRV_RECEIPT_LIST_STR-FIRMA sy-vline 
WA_PTRV_RECEIPT_LIST_STR-SPKZL sy-vline 
WA_PTRV_RECEIPT_LIST_STR-PAPER_REC sy-vline 
WA_PTRV_RECEIPT_LIST_STR-N_STF sy-vline 
WA_PTRV_RECEIPT_LIST_STR-N_PTN sy-vline 
WA_PTRV_RECEIPT_LIST_STR-N_GST sy-vline 
WA_PTRV_RECEIPT_LIST_STR-BERFR sy-vline 
WA_PTRV_RECEIPT_LIST_STR-ANZLU sy-vline 
WA_PTRV_RECEIPT_LIST_STR-ANZDI sy-vline      INTO ld_text SEPARATED BY SPACE.

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