ABAP Select data from SAP table P06DUE_DECL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P06DUE_DECL 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 P06DUE_DECL. 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 P06DUE_DECL 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_P06DUE_DECL TYPE STANDARD TABLE OF P06DUE_DECL,
      WA_P06DUE_DECL TYPE P06DUE_DECL,
      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: <P06DUE_DECL> TYPE P06DUE_DECL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P06DUE_DECL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P06DUE_DECL
  INTO TABLE IT_P06DUE_DECL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P06DUE_DECL
*  INTO TABLE @DATA(IT_P06DUE_DECL2).
*--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_P06DUE_DECL INDEX 1 INTO DATA(WA_P06DUE_DECL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P06DUE_DECL ASSIGNING <P06DUE_DECL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P06DUE_DECL>-ENTE = 1.
<P06DUE_DECL>-IDENT = 1.
<P06DUE_DECL>-APPLI = 1.
<P06DUE_DECL>-ORGA1 = 1.
<P06DUE_DECL>-ARLOT = 1.

ENDLOOP.

LOOP AT IT_P06DUE_DECL INTO WA_P06DUE_DECL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P06DUE_DECL-FAX1, sy-vline,
  WA_P06DUE_DECL-ARTYP, sy-vline,
  WA_P06DUE_DECL-ARADR, sy-vline,
  WA_P06DUE_DECL-LGMES, sy-vline,
  WA_P06DUE_DECL-VERSI, sy-vline,
  WA_P06DUE_DECL-ARTRT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P06DUE_DECL 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_P06DUE_DECL 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_P06DUE_DECL INTO WA_P06DUE_DECL.


*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 PDATE, internal->external for field NAISS
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_P06DUE_DECL-NAISS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P06DUE_DECL-NAISS.
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_P06DUE_DECL_STR, 
ENTE TYPE STRING,
IDENT TYPE STRING,
APPLI TYPE STRING,
ORGA1 TYPE STRING,
ARLOT TYPE STRING,
FAX1 TYPE STRING,
ARTYP TYPE STRING,
ARADR TYPE STRING,
LGMES TYPE STRING,
VERSI TYPE STRING,
ARTRT TYPE STRING,
DPAE TYPE STRING,
LIBR1 TYPE STRING,
LIBR2 TYPE STRING,
LIBR3 TYPE STRING,
DCRTE TYPE STRING,
HCRTE TYPE STRING,
ORGA2 TYPE STRING,
SIRET TYPE STRING,
DTYPE TYPE STRING,
RSOC1 TYPE STRING,
NACE TYPE STRING,
ADRE1 TYPE STRING,
ADRE2 TYPE STRING,
CPOS1 TYPE STRING,
DISB1 TYPE STRING,
NOM TYPE STRING,
PRNOM TYPE STRING,
NUMSS TYPE STRING,
NAISS TYPE STRING,
LIEU TYPE STRING,
PAYS TYPE STRING,
DEMBA TYPE STRING,
HEMBA TYPE STRING,
REFDO TYPE STRING,
ARRET TYPE STRING,
EMPL TYPE STRING,
ACTIV TYPE STRING,
FJURI TYPE STRING,
TITRE TYPE STRING,
RSOC2 TYPE STRING,
TELE TYPE STRING,
FAX2 TYPE STRING,
ADRE3 TYPE STRING,
ADRE4 TYPE STRING,
CPOS2 TYPE STRING,
DISB2 TYPE STRING,
ORIGS TYPE STRING,
FIL32 TYPE STRING,
CIVIL TYPE STRING,
SEQNR TYPE STRING,
SALA TYPE STRING,
EPOUX TYPE STRING,
SEXE TYPE STRING,
ADRE5 TYPE STRING,
ADRE6 TYPE STRING,
CPOS3 TYPE STRING,
DISB3 TYPE STRING,
DEPRT TYPE STRING,
NATIO TYPE STRING,
FORMA TYPE STRING,
CONT TYPE STRING,
EMPLO TYPE STRING,
QUALI TYPE STRING,
CONTR TYPE STRING,
CDFIN TYPE STRING,
DSORT TYPE STRING,
NBHRS TYPE STRING,
ESSAI TYPE STRING,
SBRUT TYPE STRING,
NRESP TYPE STRING,
TELE2 TYPE STRING,
SITUA TYPE STRING,
MEDEC TYPE STRING,
DUREE TYPE STRING,
FIL01 TYPE STRING,
ETEFF TYPE STRING,
ENEFF TYPE STRING,
NATI1 TYPE STRING,
AGENT TYPE STRING,
CDURE TYPE STRING,
WAERS TYPE STRING,
FIL02 TYPE STRING,
PREMB TYPE STRING,
FORM TYPE STRING,
FILS1 TYPE STRING,
CERTI TYPE STRING,
FILS2 TYPE STRING,
CHOM TYPE STRING,
IMMAT TYPE STRING,
MEDTR TYPE STRING,
PMF5 TYPE STRING,
FILS3 TYPE STRING,
EXOTP TYPE STRING,
FILS4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P06DUE_DECL_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_P06DUE_DECL_STR-ENTE sy-vline 
WA_P06DUE_DECL_STR-IDENT sy-vline 
WA_P06DUE_DECL_STR-APPLI sy-vline 
WA_P06DUE_DECL_STR-ORGA1 sy-vline 
WA_P06DUE_DECL_STR-ARLOT sy-vline 
WA_P06DUE_DECL_STR-FAX1 sy-vline 
WA_P06DUE_DECL_STR-ARTYP sy-vline 
WA_P06DUE_DECL_STR-ARADR sy-vline 
WA_P06DUE_DECL_STR-LGMES sy-vline 
WA_P06DUE_DECL_STR-VERSI sy-vline 
WA_P06DUE_DECL_STR-ARTRT sy-vline 
WA_P06DUE_DECL_STR-DPAE sy-vline 
WA_P06DUE_DECL_STR-LIBR1 sy-vline 
WA_P06DUE_DECL_STR-LIBR2 sy-vline 
WA_P06DUE_DECL_STR-LIBR3 sy-vline 
WA_P06DUE_DECL_STR-DCRTE sy-vline 
WA_P06DUE_DECL_STR-HCRTE sy-vline 
WA_P06DUE_DECL_STR-ORGA2 sy-vline 
WA_P06DUE_DECL_STR-SIRET sy-vline 
WA_P06DUE_DECL_STR-DTYPE sy-vline 
WA_P06DUE_DECL_STR-RSOC1 sy-vline 
WA_P06DUE_DECL_STR-NACE sy-vline 
WA_P06DUE_DECL_STR-ADRE1 sy-vline 
WA_P06DUE_DECL_STR-ADRE2 sy-vline 
WA_P06DUE_DECL_STR-CPOS1 sy-vline 
WA_P06DUE_DECL_STR-DISB1 sy-vline 
WA_P06DUE_DECL_STR-NOM sy-vline 
WA_P06DUE_DECL_STR-PRNOM sy-vline 
WA_P06DUE_DECL_STR-NUMSS sy-vline 
WA_P06DUE_DECL_STR-NAISS sy-vline 
WA_P06DUE_DECL_STR-LIEU sy-vline 
WA_P06DUE_DECL_STR-PAYS sy-vline 
WA_P06DUE_DECL_STR-DEMBA sy-vline 
WA_P06DUE_DECL_STR-HEMBA sy-vline 
WA_P06DUE_DECL_STR-REFDO sy-vline 
WA_P06DUE_DECL_STR-ARRET sy-vline 
WA_P06DUE_DECL_STR-EMPL sy-vline 
WA_P06DUE_DECL_STR-ACTIV sy-vline 
WA_P06DUE_DECL_STR-FJURI sy-vline 
WA_P06DUE_DECL_STR-TITRE sy-vline 
WA_P06DUE_DECL_STR-RSOC2 sy-vline 
WA_P06DUE_DECL_STR-TELE sy-vline 
WA_P06DUE_DECL_STR-FAX2 sy-vline 
WA_P06DUE_DECL_STR-ADRE3 sy-vline 
WA_P06DUE_DECL_STR-ADRE4 sy-vline 
WA_P06DUE_DECL_STR-CPOS2 sy-vline 
WA_P06DUE_DECL_STR-DISB2 sy-vline 
WA_P06DUE_DECL_STR-ORIGS sy-vline 
WA_P06DUE_DECL_STR-FIL32 sy-vline 
WA_P06DUE_DECL_STR-CIVIL sy-vline 
WA_P06DUE_DECL_STR-SEQNR sy-vline 
WA_P06DUE_DECL_STR-SALA sy-vline 
WA_P06DUE_DECL_STR-EPOUX sy-vline 
WA_P06DUE_DECL_STR-SEXE sy-vline 
WA_P06DUE_DECL_STR-ADRE5 sy-vline 
WA_P06DUE_DECL_STR-ADRE6 sy-vline 
WA_P06DUE_DECL_STR-CPOS3 sy-vline 
WA_P06DUE_DECL_STR-DISB3 sy-vline 
WA_P06DUE_DECL_STR-DEPRT sy-vline 
WA_P06DUE_DECL_STR-NATIO sy-vline 
WA_P06DUE_DECL_STR-FORMA sy-vline 
WA_P06DUE_DECL_STR-CONT sy-vline 
WA_P06DUE_DECL_STR-EMPLO sy-vline 
WA_P06DUE_DECL_STR-QUALI sy-vline 
WA_P06DUE_DECL_STR-CONTR sy-vline 
WA_P06DUE_DECL_STR-CDFIN sy-vline 
WA_P06DUE_DECL_STR-DSORT sy-vline 
WA_P06DUE_DECL_STR-NBHRS sy-vline 
WA_P06DUE_DECL_STR-ESSAI sy-vline 
WA_P06DUE_DECL_STR-SBRUT sy-vline 
WA_P06DUE_DECL_STR-NRESP sy-vline 
WA_P06DUE_DECL_STR-TELE2 sy-vline 
WA_P06DUE_DECL_STR-SITUA sy-vline 
WA_P06DUE_DECL_STR-MEDEC sy-vline 
WA_P06DUE_DECL_STR-DUREE sy-vline 
WA_P06DUE_DECL_STR-FIL01 sy-vline 
WA_P06DUE_DECL_STR-ETEFF sy-vline 
WA_P06DUE_DECL_STR-ENEFF sy-vline 
WA_P06DUE_DECL_STR-NATI1 sy-vline 
WA_P06DUE_DECL_STR-AGENT sy-vline 
WA_P06DUE_DECL_STR-CDURE sy-vline 
WA_P06DUE_DECL_STR-WAERS sy-vline 
WA_P06DUE_DECL_STR-FIL02 sy-vline 
WA_P06DUE_DECL_STR-PREMB sy-vline 
WA_P06DUE_DECL_STR-FORM sy-vline 
WA_P06DUE_DECL_STR-FILS1 sy-vline 
WA_P06DUE_DECL_STR-CERTI sy-vline 
WA_P06DUE_DECL_STR-FILS2 sy-vline 
WA_P06DUE_DECL_STR-CHOM sy-vline 
WA_P06DUE_DECL_STR-IMMAT sy-vline 
WA_P06DUE_DECL_STR-MEDTR sy-vline 
WA_P06DUE_DECL_STR-PMF5 sy-vline 
WA_P06DUE_DECL_STR-FILS3 sy-vline 
WA_P06DUE_DECL_STR-EXOTP sy-vline 
WA_P06DUE_DECL_STR-FILS4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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