ABAP Select data from SAP table P05_SV_GEGEVENS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P05_SV_GEGEVENS 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 P05_SV_GEGEVENS. 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 P05_SV_GEGEVENS 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_P05_SV_GEGEVENS TYPE STANDARD TABLE OF P05_SV_GEGEVENS,
      WA_P05_SV_GEGEVENS TYPE P05_SV_GEGEVENS,
      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: <P05_SV_GEGEVENS> TYPE P05_SV_GEGEVENS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P05_SV_GEGEVENS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P05_SV_GEGEVENS
  INTO TABLE IT_P05_SV_GEGEVENS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P05_SV_GEGEVENS
*  INTO TABLE @DATA(IT_P05_SV_GEGEVENS2).
*--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_P05_SV_GEGEVENS INDEX 1 INTO DATA(WA_P05_SV_GEGEVENS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P05_SV_GEGEVENS ASSIGNING <P05_SV_GEGEVENS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P05_SV_GEGEVENS>-CNTR1 = 1.
<P05_SV_GEGEVENS>-BEGDA = 1.
<P05_SV_GEGEVENS>-ENDDA = 1.
<P05_SV_GEGEVENS>-JUPER = 1.
<P05_SV_GEGEVENS>-RPUVI = 1.

ENDLOOP.

LOOP AT IT_P05_SV_GEGEVENS INTO WA_P05_SV_GEGEVENS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P05_SV_GEGEVENS-SVGRP, sy-vline,
  WA_P05_SV_GEGEVENS-SECTR, sy-vline,
  WA_P05_SV_GEGEVENS-RISGR, sy-vline,
  WA_P05_SV_GEGEVENS-TABEL, sy-vline,
  WA_P05_SV_GEGEVENS-TIJDV, sy-vline,
  WA_P05_SV_GEGEVENS-KDZW1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P05_SV_GEGEVENS 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_P05_SV_GEGEVENS 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_P05_SV_GEGEVENS INTO WA_P05_SV_GEGEVENS.


*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 GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_P05_SV_GEGEVENS-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P05_SV_GEGEVENS-GBDAT.
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_P05_SV_GEGEVENS_STR, 
CNTR1 TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
JUPER TYPE STRING,
RPUVI TYPE STRING,
SVGRP TYPE STRING,
SECTR TYPE STRING,
RISGR TYPE STRING,
TABEL TYPE STRING,
TIJDV TYPE STRING,
KDZW1 TYPE STRING,
KDWW1 TYPE STRING,
KDWAO TYPE STRING,
KDZKS TYPE STRING,
EXSV1 TYPE STRING,
EXSV2 TYPE STRING,
EXSV3 TYPE STRING,
EXSV4 TYPE STRING,
EXSV5 TYPE STRING,
ONKST TYPE STRING,
AUSNA TYPE STRING,
GEMBZ TYPE STRING,
UPKOW TYPE STRING,
ARBGK TYPE STRING,
DATAG TYPE STRING,
JGKRT TYPE STRING,
GBDAT TYPE STRING,
HIREDATE TYPE STRING,
FIREDATE TYPE STRING,
STUDENT TYPE STRING,
VERTR_LN TYPE STRING,
VLPER TYPE STRING,
ZEINH TYPE STRING,
NOMPR TYPE STRING,
WGBNP TYPE STRING,
INCVZ TYPE STRING,
IDCVZ TYPE STRING,
FACVZ TYPE STRING,
PWNBD TYPE STRING,
CAARD TYPE STRING,
SIRHE TYPE STRING,
SIBEG TYPE STRING,
SIEND TYPE STRING,
EXREE TYPE STRING,
NLSIR TYPE STRING,
SIEMA TYPE STRING,
SIREE TYPE STRING,
EXSJR TYPE STRING,
EXSV6 TYPE STRING,
EXSV7 TYPE STRING,
AWFLW TYPE STRING,
LEEFTIJD TYPE STRING,
AWFLR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P05_SV_GEGEVENS_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_P05_SV_GEGEVENS_STR-CNTR1 sy-vline 
WA_P05_SV_GEGEVENS_STR-BEGDA sy-vline 
WA_P05_SV_GEGEVENS_STR-ENDDA sy-vline 
WA_P05_SV_GEGEVENS_STR-JUPER sy-vline 
WA_P05_SV_GEGEVENS_STR-RPUVI sy-vline 
WA_P05_SV_GEGEVENS_STR-SVGRP sy-vline 
WA_P05_SV_GEGEVENS_STR-SECTR sy-vline 
WA_P05_SV_GEGEVENS_STR-RISGR sy-vline 
WA_P05_SV_GEGEVENS_STR-TABEL sy-vline 
WA_P05_SV_GEGEVENS_STR-TIJDV sy-vline 
WA_P05_SV_GEGEVENS_STR-KDZW1 sy-vline 
WA_P05_SV_GEGEVENS_STR-KDWW1 sy-vline 
WA_P05_SV_GEGEVENS_STR-KDWAO sy-vline 
WA_P05_SV_GEGEVENS_STR-KDZKS sy-vline 
WA_P05_SV_GEGEVENS_STR-EXSV1 sy-vline 
WA_P05_SV_GEGEVENS_STR-EXSV2 sy-vline 
WA_P05_SV_GEGEVENS_STR-EXSV3 sy-vline 
WA_P05_SV_GEGEVENS_STR-EXSV4 sy-vline 
WA_P05_SV_GEGEVENS_STR-EXSV5 sy-vline 
WA_P05_SV_GEGEVENS_STR-ONKST sy-vline 
WA_P05_SV_GEGEVENS_STR-AUSNA sy-vline 
WA_P05_SV_GEGEVENS_STR-GEMBZ sy-vline 
WA_P05_SV_GEGEVENS_STR-UPKOW sy-vline 
WA_P05_SV_GEGEVENS_STR-ARBGK sy-vline 
WA_P05_SV_GEGEVENS_STR-DATAG sy-vline 
WA_P05_SV_GEGEVENS_STR-JGKRT sy-vline 
WA_P05_SV_GEGEVENS_STR-GBDAT sy-vline 
WA_P05_SV_GEGEVENS_STR-HIREDATE sy-vline 
WA_P05_SV_GEGEVENS_STR-FIREDATE sy-vline 
WA_P05_SV_GEGEVENS_STR-STUDENT sy-vline 
WA_P05_SV_GEGEVENS_STR-VERTR_LN sy-vline 
WA_P05_SV_GEGEVENS_STR-VLPER sy-vline 
WA_P05_SV_GEGEVENS_STR-ZEINH sy-vline 
WA_P05_SV_GEGEVENS_STR-NOMPR sy-vline 
WA_P05_SV_GEGEVENS_STR-WGBNP sy-vline 
WA_P05_SV_GEGEVENS_STR-INCVZ sy-vline 
WA_P05_SV_GEGEVENS_STR-IDCVZ sy-vline 
WA_P05_SV_GEGEVENS_STR-FACVZ sy-vline 
WA_P05_SV_GEGEVENS_STR-PWNBD sy-vline 
WA_P05_SV_GEGEVENS_STR-CAARD sy-vline 
WA_P05_SV_GEGEVENS_STR-SIRHE sy-vline 
WA_P05_SV_GEGEVENS_STR-SIBEG sy-vline 
WA_P05_SV_GEGEVENS_STR-SIEND sy-vline 
WA_P05_SV_GEGEVENS_STR-EXREE sy-vline 
WA_P05_SV_GEGEVENS_STR-NLSIR sy-vline 
WA_P05_SV_GEGEVENS_STR-SIEMA sy-vline 
WA_P05_SV_GEGEVENS_STR-SIREE sy-vline 
WA_P05_SV_GEGEVENS_STR-EXSJR sy-vline 
WA_P05_SV_GEGEVENS_STR-EXSV6 sy-vline 
WA_P05_SV_GEGEVENS_STR-EXSV7 sy-vline 
WA_P05_SV_GEGEVENS_STR-AWFLW sy-vline 
WA_P05_SV_GEGEVENS_STR-LEEFTIJD sy-vline 
WA_P05_SV_GEGEVENS_STR-AWFLR sy-vline      INTO ld_text SEPARATED BY SPACE.

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