ABAP Select data from SAP table P06DWNTDS20001 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P06DWNTDS20001 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 P06DWNTDS20001. 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 P06DWNTDS20001 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_P06DWNTDS20001 TYPE STANDARD TABLE OF P06DWNTDS20001,
      WA_P06DWNTDS20001 TYPE P06DWNTDS20001,
      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: <P06DWNTDS20001> TYPE P06DWNTDS20001.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P06DWNTDS20001.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P06DWNTDS20001
  INTO TABLE IT_P06DWNTDS20001.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P06DWNTDS20001
*  INTO TABLE @DATA(IT_P06DWNTDS200012).
*--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_P06DWNTDS20001 INDEX 1 INTO DATA(WA_P06DWNTDS200012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P06DWNTDS20001 ASSIGNING <P06DWNTDS20001>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P06DWNTDS20001>-RESER03 = 1.
<P06DWNTDS20001>-TYPENREG1 = 1.
<P06DWNTDS20001>-NUM_MOD = 1.
<P06DWNTDS20001>-SIREN = 1.
<P06DWNTDS20001>-NUMIC = 1.

ENDLOOP.

LOOP AT IT_P06DWNTDS20001 INTO WA_P06DWNTDS20001.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P06DWNTDS20001-SETABL, sy-vline,
  WA_P06DWNTDS20001-ANNEE, sy-vline,
  WA_P06DWNTDS20001-TYPE, sy-vline,
  WA_P06DWNTDS20001-TYPENREG2, sy-vline,
  WA_P06DWNTDS20001-MATRICULE, sy-vline,
  WA_P06DWNTDS20001-NUMSS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P06DWNTDS20001 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_P06DWNTDS20001 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_P06DWNTDS20001 INTO WA_P06DWNTDS20001.


*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_P06DWNTDS20001_STR, 
RESER03 TYPE STRING,
TYPENREG1 TYPE STRING,
NUM_MOD TYPE STRING,
SIREN TYPE STRING,
NUMIC TYPE STRING,
SETABL TYPE STRING,
ANNEE TYPE STRING,
TYPE TYPE STRING,
TYPENREG2 TYPE STRING,
MATRICULE TYPE STRING,
NUMSS TYPE STRING,
CLESS TYPE STRING,
DATNAISS TYPE STRING,
DEPNAISS TYPE STRING,
PAYSNAISS TYPE STRING,
COMMNAISS TYPE STRING,
TITRE TYPE STRING,
NOMPATR TYPE STRING,
PRENOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P06DWNTDS20001_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_P06DWNTDS20001_STR-RESER03 sy-vline 
WA_P06DWNTDS20001_STR-TYPENREG1 sy-vline 
WA_P06DWNTDS20001_STR-NUM_MOD sy-vline 
WA_P06DWNTDS20001_STR-SIREN sy-vline 
WA_P06DWNTDS20001_STR-NUMIC sy-vline 
WA_P06DWNTDS20001_STR-SETABL sy-vline 
WA_P06DWNTDS20001_STR-ANNEE sy-vline 
WA_P06DWNTDS20001_STR-TYPE sy-vline 
WA_P06DWNTDS20001_STR-TYPENREG2 sy-vline 
WA_P06DWNTDS20001_STR-MATRICULE sy-vline 
WA_P06DWNTDS20001_STR-NUMSS sy-vline 
WA_P06DWNTDS20001_STR-CLESS sy-vline 
WA_P06DWNTDS20001_STR-DATNAISS sy-vline 
WA_P06DWNTDS20001_STR-DEPNAISS sy-vline 
WA_P06DWNTDS20001_STR-PAYSNAISS sy-vline 
WA_P06DWNTDS20001_STR-COMMNAISS sy-vline 
WA_P06DWNTDS20001_STR-TITRE sy-vline 
WA_P06DWNTDS20001_STR-NOMPATR sy-vline 
WA_P06DWNTDS20001_STR-PRENOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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