ABAP Select data from SAP table P06DWNCRC020 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P06DWNCRC020 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 P06DWNCRC020. 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 P06DWNCRC020 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_P06DWNCRC020 TYPE STANDARD TABLE OF P06DWNCRC020,
      WA_P06DWNCRC020 TYPE P06DWNCRC020,
      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: <P06DWNCRC020> TYPE P06DWNCRC020.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P06DWNCRC020.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P06DWNCRC020
  INTO TABLE IT_P06DWNCRC020.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P06DWNCRC020
*  INTO TABLE @DATA(IT_P06DWNCRC0202).
*--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_P06DWNCRC020 INDEX 1 INTO DATA(WA_P06DWNCRC0202).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P06DWNCRC020 ASSIGNING <P06DWNCRC020>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P06DWNCRC020>-SIRET1 = 1.
<P06DWNCRC020>-ZERO = 1.
<P06DWNCRC020>-ANNEE = 1.
<P06DWNCRC020>-TYPDEC = 1.
<P06DWNCRC020>-TYPENREG = 1.

ENDLOOP.

LOOP AT IT_P06DWNCRC020 INTO WA_P06DWNCRC020.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P06DWNCRC020-SIRET2, sy-vline,
  WA_P06DWNCRC020-CDAPE, sy-vline,
  WA_P06DWNCRC020-BLANC1, sy-vline,
  WA_P06DWNCRC020-SIRET3, sy-vline,
  WA_P06DWNCRC020-RESER41, sy-vline,
  WA_P06DWNCRC020-NOM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P06DWNCRC020 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_P06DWNCRC020 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_P06DWNCRC020 INTO WA_P06DWNCRC020.


*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_P06DWNCRC020_STR, 
SIRET1 TYPE STRING,
ZERO TYPE STRING,
ANNEE TYPE STRING,
TYPDEC TYPE STRING,
TYPENREG TYPE STRING,
SIRET2 TYPE STRING,
CDAPE TYPE STRING,
BLANC1 TYPE STRING,
SIRET3 TYPE STRING,
RESER41 TYPE STRING,
NOM TYPE STRING,
COMPLADR TYPE STRING,
BLANC2 TYPE STRING,
NUMVOIE TYPE STRING,
BIS TYPE STRING,
BLANC3 TYPE STRING,
VOIE TYPE STRING,
CODINSEE TYPE STRING,
BLANC4 TYPE STRING,
LOCALITE TYPE STRING,
CODPOST TYPE STRING,
BLANC5 TYPE STRING,
BURDIST TYPE STRING,
RESER242 TYPE STRING,
DECAL TYPE STRING,
CCP TYPE STRING,
DEBUT TYPE STRING,
FIN TYPE STRING,
IDENTI TYPE STRING,
NUMINS TYPE STRING,
IDENTE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P06DWNCRC020_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_P06DWNCRC020_STR-SIRET1 sy-vline 
WA_P06DWNCRC020_STR-ZERO sy-vline 
WA_P06DWNCRC020_STR-ANNEE sy-vline 
WA_P06DWNCRC020_STR-TYPDEC sy-vline 
WA_P06DWNCRC020_STR-TYPENREG sy-vline 
WA_P06DWNCRC020_STR-SIRET2 sy-vline 
WA_P06DWNCRC020_STR-CDAPE sy-vline 
WA_P06DWNCRC020_STR-BLANC1 sy-vline 
WA_P06DWNCRC020_STR-SIRET3 sy-vline 
WA_P06DWNCRC020_STR-RESER41 sy-vline 
WA_P06DWNCRC020_STR-NOM sy-vline 
WA_P06DWNCRC020_STR-COMPLADR sy-vline 
WA_P06DWNCRC020_STR-BLANC2 sy-vline 
WA_P06DWNCRC020_STR-NUMVOIE sy-vline 
WA_P06DWNCRC020_STR-BIS sy-vline 
WA_P06DWNCRC020_STR-BLANC3 sy-vline 
WA_P06DWNCRC020_STR-VOIE sy-vline 
WA_P06DWNCRC020_STR-CODINSEE sy-vline 
WA_P06DWNCRC020_STR-BLANC4 sy-vline 
WA_P06DWNCRC020_STR-LOCALITE sy-vline 
WA_P06DWNCRC020_STR-CODPOST sy-vline 
WA_P06DWNCRC020_STR-BLANC5 sy-vline 
WA_P06DWNCRC020_STR-BURDIST sy-vline 
WA_P06DWNCRC020_STR-RESER242 sy-vline 
WA_P06DWNCRC020_STR-DECAL sy-vline 
WA_P06DWNCRC020_STR-CCP sy-vline 
WA_P06DWNCRC020_STR-DEBUT sy-vline 
WA_P06DWNCRC020_STR-FIN sy-vline 
WA_P06DWNCRC020_STR-IDENTI sy-vline 
WA_P06DWNCRC020_STR-NUMINS sy-vline 
WA_P06DWNCRC020_STR-IDENTE sy-vline      INTO ld_text SEPARATED BY SPACE.

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