ABAP Select data from SAP table P05T_CVZ_REG_DAT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P05T_CVZ_REG_DAT 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 P05T_CVZ_REG_DAT. 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 P05T_CVZ_REG_DAT 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_P05T_CVZ_REG_DAT TYPE STANDARD TABLE OF P05T_CVZ_REG_DAT,
      WA_P05T_CVZ_REG_DAT TYPE P05T_CVZ_REG_DAT,
      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: <P05T_CVZ_REG_DAT> TYPE P05T_CVZ_REG_DAT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P05T_CVZ_REG_DAT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P05T_CVZ_REG_DAT
  INTO TABLE IT_P05T_CVZ_REG_DAT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P05T_CVZ_REG_DAT
*  INTO TABLE @DATA(IT_P05T_CVZ_REG_DAT2).
*--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_P05T_CVZ_REG_DAT INDEX 1 INTO DATA(WA_P05T_CVZ_REG_DAT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P05T_CVZ_REG_DAT ASSIGNING <P05T_CVZ_REG_DAT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P05T_CVZ_REG_DAT>-MANDT = 1.
<P05T_CVZ_REG_DAT>-JUPER = 1.
<P05T_CVZ_REG_DAT>-PABRJ = 1.
<P05T_CVZ_REG_DAT>-PABRP = 1.
<P05T_CVZ_REG_DAT>-PERNR = 1.

ENDLOOP.

LOOP AT IT_P05T_CVZ_REG_DAT INTO WA_P05T_CVZ_REG_DAT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P05T_CVZ_REG_DAT-SEQNO, sy-vline,
  WA_P05T_CVZ_REG_DAT-MUTATIE, sy-vline,
  WA_P05T_CVZ_REG_DAT-GESLACHT, sy-vline,
  WA_P05T_CVZ_REG_DAT-VOORLETTERS, sy-vline,
  WA_P05T_CVZ_REG_DAT-VOORVOEGSEL, sy-vline,
  WA_P05T_CVZ_REG_DAT-ACHTERNAAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P05T_CVZ_REG_DAT 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_P05T_CVZ_REG_DAT 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_P05T_CVZ_REG_DAT INTO WA_P05T_CVZ_REG_DAT.


*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 GJAHR, internal->external for field PABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_P05T_CVZ_REG_DAT-PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P05T_CVZ_REG_DAT-PABRJ.
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_P05T_CVZ_REG_DAT_STR, 
MANDT TYPE STRING,
JUPER TYPE STRING,
PABRJ TYPE STRING,
PABRP TYPE STRING,
PERNR TYPE STRING,
SEQNO TYPE STRING,
MUTATIE TYPE STRING,
GESLACHT TYPE STRING,
VOORLETTERS TYPE STRING,
VOORVOEGSEL TYPE STRING,
ACHTERNAAM TYPE STRING,
PARTNERNAAM TYPE STRING,
GEBOORTEDATUM TYPE STRING,
ADRES TYPE STRING,
HUISNUMMER TYPE STRING,
TOEVOEGING TYPE STRING,
POSTCODE TYPE STRING,
WOONPLAATS TYPE STRING,
PROVINCIE TYPE STRING,
WOONLAND TYPE STRING,
SOFINUMMER TYPE STRING,
ORGANISATIENR TYPE STRING,
POLISNR TYPE STRING,
REGISTRATIENR TYPE STRING,
STARTDATUM TYPE STRING,
ADRES2 TYPE STRING,
REDEN_MELDING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P05T_CVZ_REG_DAT_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_P05T_CVZ_REG_DAT_STR-MANDT sy-vline 
WA_P05T_CVZ_REG_DAT_STR-JUPER sy-vline 
WA_P05T_CVZ_REG_DAT_STR-PABRJ sy-vline 
WA_P05T_CVZ_REG_DAT_STR-PABRP sy-vline 
WA_P05T_CVZ_REG_DAT_STR-PERNR sy-vline 
WA_P05T_CVZ_REG_DAT_STR-SEQNO sy-vline 
WA_P05T_CVZ_REG_DAT_STR-MUTATIE sy-vline 
WA_P05T_CVZ_REG_DAT_STR-GESLACHT sy-vline 
WA_P05T_CVZ_REG_DAT_STR-VOORLETTERS sy-vline 
WA_P05T_CVZ_REG_DAT_STR-VOORVOEGSEL sy-vline 
WA_P05T_CVZ_REG_DAT_STR-ACHTERNAAM sy-vline 
WA_P05T_CVZ_REG_DAT_STR-PARTNERNAAM sy-vline 
WA_P05T_CVZ_REG_DAT_STR-GEBOORTEDATUM sy-vline 
WA_P05T_CVZ_REG_DAT_STR-ADRES sy-vline 
WA_P05T_CVZ_REG_DAT_STR-HUISNUMMER sy-vline 
WA_P05T_CVZ_REG_DAT_STR-TOEVOEGING sy-vline 
WA_P05T_CVZ_REG_DAT_STR-POSTCODE sy-vline 
WA_P05T_CVZ_REG_DAT_STR-WOONPLAATS sy-vline 
WA_P05T_CVZ_REG_DAT_STR-PROVINCIE sy-vline 
WA_P05T_CVZ_REG_DAT_STR-WOONLAND sy-vline 
WA_P05T_CVZ_REG_DAT_STR-SOFINUMMER sy-vline 
WA_P05T_CVZ_REG_DAT_STR-ORGANISATIENR sy-vline 
WA_P05T_CVZ_REG_DAT_STR-POLISNR sy-vline 
WA_P05T_CVZ_REG_DAT_STR-REGISTRATIENR sy-vline 
WA_P05T_CVZ_REG_DAT_STR-STARTDATUM sy-vline 
WA_P05T_CVZ_REG_DAT_STR-ADRES2 sy-vline 
WA_P05T_CVZ_REG_DAT_STR-REDEN_MELDING sy-vline      INTO ld_text SEPARATED BY SPACE.

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