ABAP Select data from SAP table P06_DSN_CT_BY_REPER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P06_DSN_CT_BY_REPER 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 P06_DSN_CT_BY_REPER. 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 P06_DSN_CT_BY_REPER 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_P06_DSN_CT_BY_REPER TYPE STANDARD TABLE OF P06_DSN_CT_BY_REPER,
      WA_P06_DSN_CT_BY_REPER TYPE P06_DSN_CT_BY_REPER,
      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: <P06_DSN_CT_BY_REPER> TYPE P06_DSN_CT_BY_REPER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P06_DSN_CT_BY_REPER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P06_DSN_CT_BY_REPER
  INTO TABLE IT_P06_DSN_CT_BY_REPER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P06_DSN_CT_BY_REPER
*  INTO TABLE @DATA(IT_P06_DSN_CT_BY_REPER2).
*--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_P06_DSN_CT_BY_REPER INDEX 1 INTO DATA(WA_P06_DSN_CT_BY_REPER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P06_DSN_CT_BY_REPER ASSIGNING <P06_DSN_CT_BY_REPER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P06_DSN_CT_BY_REPER>-FNAME_TAB = 1.
<P06_DSN_CT_BY_REPER>-INPER = 1.
<P06_DSN_CT_BY_REPER>-FPPER = 1.
<P06_DSN_CT_BY_REPER>-REMID = 1.
<P06_DSN_CT_BY_REPER>-CONUM = 1.

ENDLOOP.

LOOP AT IT_P06_DSN_CT_BY_REPER INTO WA_P06_DSN_CT_BY_REPER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P06_DSN_CT_BY_REPER-CODEB, sy-vline,
  WA_P06_DSN_CT_BY_REPER-GRCT1, sy-vline,
  WA_P06_DSN_CT_BY_REPER-UIDCT, sy-vline,
  WA_P06_DSN_CT_BY_REPER-GRRE1, sy-vline,
  WA_P06_DSN_CT_BY_REPER-GRPY1, sy-vline,
  WA_P06_DSN_CT_BY_REPER-MODRE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P06_DSN_CT_BY_REPER 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_P06_DSN_CT_BY_REPER 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_P06_DSN_CT_BY_REPER INTO WA_P06_DSN_CT_BY_REPER.


*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_P06_DSN_CT_BY_REPER_STR, 
FNAME_TAB TYPE STRING,
INPER TYPE STRING,
FPPER TYPE STRING,
REMID TYPE STRING,
CONUM TYPE STRING,
CODEB TYPE STRING,
GRCT1 TYPE STRING,
UIDCT TYPE STRING,
GRRE1 TYPE STRING,
GRPY1 TYPE STRING,
MODRE TYPE STRING,
REMWG TYPE STRING,
REMWT TYPE STRING,
CDTYP TYPE STRING,
LETYP TYPE STRING,
REBEG TYPE STRING,
REEND TYPE STRING,
WTIMV TYPE STRING,
WTIMD TYPE STRING,
WTIMU TYPE STRING,
PRBEG TYPE STRING,
PREND TYPE STRING,
REAMT TYPE STRING,
DELTA TYPE STRING,
WAERS TYPE STRING,
DORIG TYPE STRING,
RETAR TYPE STRING,
RECRV TYPE STRING,
RETAD TYPE STRING,
AREPL TYPE STRING,
REMIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P06_DSN_CT_BY_REPER_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_P06_DSN_CT_BY_REPER_STR-FNAME_TAB sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-INPER sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-FPPER sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-REMID sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-CONUM sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-CODEB sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-GRCT1 sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-UIDCT sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-GRRE1 sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-GRPY1 sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-MODRE sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-REMWG sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-REMWT sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-CDTYP sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-LETYP sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-REBEG sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-REEND sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-WTIMV sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-WTIMD sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-WTIMU sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-PRBEG sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-PREND sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-REAMT sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-DELTA sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-WAERS sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-DORIG sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-RETAR sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-RECRV sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-RETAD sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-AREPL sy-vline 
WA_P06_DSN_CT_BY_REPER_STR-REMIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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