ABAP Select data from SAP table P02VS_PR_ENTRY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P02VS_PR_ENTRY 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 P02VS_PR_ENTRY. 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 P02VS_PR_ENTRY 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_P02VS_PR_ENTRY TYPE STANDARD TABLE OF P02VS_PR_ENTRY,
      WA_P02VS_PR_ENTRY TYPE P02VS_PR_ENTRY,
      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: <P02VS_PR_ENTRY> TYPE P02VS_PR_ENTRY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P02VS_PR_ENTRY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P02VS_PR_ENTRY
  INTO TABLE IT_P02VS_PR_ENTRY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P02VS_PR_ENTRY
*  INTO TABLE @DATA(IT_P02VS_PR_ENTRY2).
*--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_P02VS_PR_ENTRY INDEX 1 INTO DATA(WA_P02VS_PR_ENTRY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P02VS_PR_ENTRY ASSIGNING <P02VS_PR_ENTRY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P02VS_PR_ENTRY>-PR_PERNR = 1.
<P02VS_PR_ENTRY>-PR_KASSE = 1.
<P02VS_PR_ENTRY>-PR_INDEX = 1.
<P02VS_PR_ENTRY>-MANDT = 1.
<P02VS_PR_ENTRY>-KONNR = 1.

ENDLOOP.

LOOP AT IT_P02VS_PR_ENTRY INTO WA_P02VS_PR_ENTRY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P02VS_PR_ENTRY-BUDAT, sy-vline,
  WA_P02VS_PR_ENTRY-SEQNR, sy-vline,
  WA_P02VS_PR_ENTRY-VALTY, sy-vline,
  WA_P02VS_PR_ENTRY-VALUE, sy-vline,
  WA_P02VS_PR_ENTRY-VADAT, sy-vline,
  WA_P02VS_PR_ENTRY-PABRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P02VS_PR_ENTRY 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_P02VS_PR_ENTRY 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_P02VS_PR_ENTRY INTO WA_P02VS_PR_ENTRY.


*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_P02VS_PR_ENTRY-PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P02VS_PR_ENTRY-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_P02VS_PR_ENTRY_STR, 
PR_PERNR TYPE STRING,
PR_KASSE TYPE STRING,
PR_INDEX TYPE STRING,
MANDT TYPE STRING,
KONNR TYPE STRING,
BUDAT TYPE STRING,
SEQNR TYPE STRING,
VALTY TYPE STRING,
VALUE TYPE STRING,
VADAT TYPE STRING,
PABRP TYPE STRING,
PABRJ TYPE STRING,
EXPFL TYPE STRING,
ORGIN TYPE STRING,
UNAME TYPE STRING,
PERNR TYPE STRING,
BUNUM TYPE STRING,
STOFL TYPE STRING,
CHDAT TYPE STRING,
FIFLG TYPE STRING,
RUNID TYPE STRING,
FIBUK TYPE STRING,
SEQST TYPE STRING,
VTYTX TYPE STRING,
UAVAL0 TYPE STRING,
UAVAL2 TYPE STRING,
UAVAL4 TYPE STRING,
UAVAL6 TYPE STRING,
UADATS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P02VS_PR_ENTRY_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_P02VS_PR_ENTRY_STR-PR_PERNR sy-vline 
WA_P02VS_PR_ENTRY_STR-PR_KASSE sy-vline 
WA_P02VS_PR_ENTRY_STR-PR_INDEX sy-vline 
WA_P02VS_PR_ENTRY_STR-MANDT sy-vline 
WA_P02VS_PR_ENTRY_STR-KONNR sy-vline 
WA_P02VS_PR_ENTRY_STR-BUDAT sy-vline 
WA_P02VS_PR_ENTRY_STR-SEQNR sy-vline 
WA_P02VS_PR_ENTRY_STR-VALTY sy-vline 
WA_P02VS_PR_ENTRY_STR-VALUE sy-vline 
WA_P02VS_PR_ENTRY_STR-VADAT sy-vline 
WA_P02VS_PR_ENTRY_STR-PABRP sy-vline 
WA_P02VS_PR_ENTRY_STR-PABRJ sy-vline 
WA_P02VS_PR_ENTRY_STR-EXPFL sy-vline 
WA_P02VS_PR_ENTRY_STR-ORGIN sy-vline 
WA_P02VS_PR_ENTRY_STR-UNAME sy-vline 
WA_P02VS_PR_ENTRY_STR-PERNR sy-vline 
WA_P02VS_PR_ENTRY_STR-BUNUM sy-vline 
WA_P02VS_PR_ENTRY_STR-STOFL sy-vline 
WA_P02VS_PR_ENTRY_STR-CHDAT sy-vline 
WA_P02VS_PR_ENTRY_STR-FIFLG sy-vline 
WA_P02VS_PR_ENTRY_STR-RUNID sy-vline 
WA_P02VS_PR_ENTRY_STR-FIBUK sy-vline 
WA_P02VS_PR_ENTRY_STR-SEQST sy-vline 
WA_P02VS_PR_ENTRY_STR-VTYTX sy-vline 
WA_P02VS_PR_ENTRY_STR-UAVAL0 sy-vline 
WA_P02VS_PR_ENTRY_STR-UAVAL2 sy-vline 
WA_P02VS_PR_ENTRY_STR-UAVAL4 sy-vline 
WA_P02VS_PR_ENTRY_STR-UAVAL6 sy-vline 
WA_P02VS_PR_ENTRY_STR-UADATS sy-vline      INTO ld_text SEPARATED BY SPACE.

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