ABAP Select data from SAP table P2RF_RECOT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P2RF_RECOT 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 P2RF_RECOT. 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 P2RF_RECOT 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_P2RF_RECOT TYPE STANDARD TABLE OF P2RF_RECOT,
      WA_P2RF_RECOT TYPE P2RF_RECOT,
      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: <P2RF_RECOT> TYPE P2RF_RECOT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P2RF_RECOT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P2RF_RECOT
  INTO TABLE IT_P2RF_RECOT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P2RF_RECOT
*  INTO TABLE @DATA(IT_P2RF_RECOT2).
*--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_P2RF_RECOT INDEX 1 INTO DATA(WA_P2RF_RECOT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P2RF_RECOT ASSIGNING <P2RF_RECOT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P2RF_RECOT>-MANDT = 1.
<P2RF_RECOT>-DCT_PERNR = 1.
<P2RF_RECOT>-DCT_SEQNR = 1.
<P2RF_RECOT>-DCT_ROWID = 1.
<P2RF_RECOT>-NRCUM = 1.

ENDLOOP.

LOOP AT IT_P2RF_RECOT INTO WA_P2RF_RECOT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P2RF_RECOT-CNTR1, sy-vline,
  WA_P2RF_RECOT-BEGDA, sy-vline,
  WA_P2RF_RECOT-ENDDA, sy-vline,
  WA_P2RF_RECOT-ORGAN, sy-vline,
  WA_P2RF_RECOT-COTIS, sy-vline,
  WA_P2RF_RECOT-TRANX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P2RF_RECOT 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_P2RF_RECOT 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_P2RF_RECOT INTO WA_P2RF_RECOT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_P2RF_RECOT_STR, 
MANDT TYPE STRING,
DCT_PERNR TYPE STRING,
DCT_SEQNR TYPE STRING,
DCT_ROWID TYPE STRING,
NRCUM TYPE STRING,
CNTR1 TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ORGAN TYPE STRING,
COTIS TYPE STRING,
TRANX TYPE STRING,
BRUT TYPE STRING,
PLAFOND TYPE STRING,
PLAF_REEL TYPE STRING,
BASE TYPE STRING,
COTEE TYPE STRING,
COTER TYPE STRING,
WAERS TYPE STRING,
PEREE TYPE STRING,
PERER TYPE STRING,
CUMTY TYPE STRING,
FBASE TYPE STRING,
FBASR TYPE STRING,
RTMOD TYPE STRING,
IPMOD TYPE STRING,
COND TYPE STRING,
CONDT TYPE STRING,
CYCLE TYPE STRING,
CDTRS TYPE STRING,
REGUL TYPE STRING,
CTQUAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P2RF_RECOT_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_P2RF_RECOT_STR-MANDT sy-vline 
WA_P2RF_RECOT_STR-DCT_PERNR sy-vline 
WA_P2RF_RECOT_STR-DCT_SEQNR sy-vline 
WA_P2RF_RECOT_STR-DCT_ROWID sy-vline 
WA_P2RF_RECOT_STR-NRCUM sy-vline 
WA_P2RF_RECOT_STR-CNTR1 sy-vline 
WA_P2RF_RECOT_STR-BEGDA sy-vline 
WA_P2RF_RECOT_STR-ENDDA sy-vline 
WA_P2RF_RECOT_STR-ORGAN sy-vline 
WA_P2RF_RECOT_STR-COTIS sy-vline 
WA_P2RF_RECOT_STR-TRANX sy-vline 
WA_P2RF_RECOT_STR-BRUT sy-vline 
WA_P2RF_RECOT_STR-PLAFOND sy-vline 
WA_P2RF_RECOT_STR-PLAF_REEL sy-vline 
WA_P2RF_RECOT_STR-BASE sy-vline 
WA_P2RF_RECOT_STR-COTEE sy-vline 
WA_P2RF_RECOT_STR-COTER sy-vline 
WA_P2RF_RECOT_STR-WAERS sy-vline 
WA_P2RF_RECOT_STR-PEREE sy-vline 
WA_P2RF_RECOT_STR-PERER sy-vline 
WA_P2RF_RECOT_STR-CUMTY sy-vline 
WA_P2RF_RECOT_STR-FBASE sy-vline 
WA_P2RF_RECOT_STR-FBASR sy-vline 
WA_P2RF_RECOT_STR-RTMOD sy-vline 
WA_P2RF_RECOT_STR-IPMOD sy-vline 
WA_P2RF_RECOT_STR-COND sy-vline 
WA_P2RF_RECOT_STR-CONDT sy-vline 
WA_P2RF_RECOT_STR-CYCLE sy-vline 
WA_P2RF_RECOT_STR-CDTRS sy-vline 
WA_P2RF_RECOT_STR-REGUL sy-vline 
WA_P2RF_RECOT_STR-CTQUAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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