ABAP Select data from SAP table VIRPRE2 into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VIRPRE2 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 VIRPRE2. 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 VIRPRE2 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_VIRPRE2 TYPE STANDARD TABLE OF VIRPRE2,
      WA_VIRPRE2 TYPE VIRPRE2,
      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: <VIRPRE2> TYPE VIRPRE2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VIRPRE2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VIRPRE2
  INTO TABLE IT_VIRPRE2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIRPRE2
*  INTO TABLE @DATA(IT_VIRPRE22).
*--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_VIRPRE2 INDEX 1 INTO DATA(WA_VIRPRE22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VIRPRE2 ASSIGNING <VIRPRE2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIRPRE2>-MANDT = 1.
<VIRPRE2>-OBART = 1.
<VIRPRE2>-OBJNR = 1.
<VIRPRE2>-OBJNRX = 1.
<VIRPRE2>-DVONPER = 1.

ENDLOOP.

LOOP AT IT_VIRPRE2 INTO WA_VIRPRE2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIRPRE2-DBISPER, sy-vline,
  WA_VIRPRE2-GJAHR, sy-vline,
  WA_VIRPRE2-PERIO, sy-vline,
  WA_VIRPRE2-PERDE, sy-vline,
  WA_VIRPRE2-DSTICH, sy-vline,
  WA_VIRPRE2-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIRPRE2 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_VIRPRE2 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_VIRPRE2 INTO WA_VIRPRE2.


*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 OBJEX, internal->external for field OBJNR
CALL FUNCTION 'CONVERSION_EXIT_OBJEX_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-OBJNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-OBJNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit VVOBJ, internal->external for field OBJNRX
CALL FUNCTION 'CONVERSION_EXIT_VVOBJ_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-OBJNRX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-OBJNRX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field PERIO
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-PERIO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-PERIO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-SWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field SGRNR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-SGRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-SGRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field SGENR
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-SGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-SGENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field SMENR
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-SMENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-SMENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SMIVE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-SMIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-SMIVE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-SNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-SNKSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEMPSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-SEMPSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-SEMPSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SVWNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-SVWNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-SVWNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DUMMEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-DUMMEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-DUMMEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BEKNZ, internal->external for field BEKNZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-BEKNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-BEKNZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERSN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-VERSN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-VERSN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WRTTP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-WRTTP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-WRTTP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIRPRE2-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIRPRE2-PRCTR.
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_VIRPRE2_STR, 
MANDT TYPE STRING,
OBART TYPE STRING,
OBJNR TYPE STRING,
OBJNRX TYPE STRING,
DVONPER TYPE STRING,
DBISPER TYPE STRING,
GJAHR TYPE STRING,
PERIO TYPE STRING,
PERDE TYPE STRING,
DSTICH TYPE STRING,
WAERS TYPE STRING,
KSTAR TYPE STRING,
WKGXXX2 TYPE STRING,
WTGXXX2 TYPE STRING,
WOGXXX2 TYPE STRING,
AEPERIO TYPE STRING,
WKGXXX2_A TYPE STRING,
WOGXXX2_A TYPE STRING,
WTGXXX2_A TYPE STRING,
WAERS_A TYPE STRING,
BUKRS TYPE STRING,
BUKVW TYPE STRING,
GSBER TYPE STRING,
SWENR TYPE STRING,
SGRNR TYPE STRING,
SGENR TYPE STRING,
SMENR TYPE STRING,
SMIVE TYPE STRING,
SNKSL TYPE STRING,
SEMPSL TYPE STRING,
SVWNR TYPE STRING,
SABRG TYPE STRING,
BABRE2 TYPE STRING,
MEINS TYPE STRING,
SABRGPROZ TYPE STRING,
DUMMEINS TYPE STRING,
VRGNG TYPE STRING,
BEKNZ TYPE STRING,
VERSN TYPE STRING,
KOKRS TYPE STRING,
STAGR TYPE STRING,
SMEXXX2 TYPE STRING,
SMAXXX2 TYPE STRING,
WRTTP TYPE STRING,
PRCTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIRPRE2_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_VIRPRE2_STR-MANDT sy-vline 
WA_VIRPRE2_STR-OBART sy-vline 
WA_VIRPRE2_STR-OBJNR sy-vline 
WA_VIRPRE2_STR-OBJNRX sy-vline 
WA_VIRPRE2_STR-DVONPER sy-vline 
WA_VIRPRE2_STR-DBISPER sy-vline 
WA_VIRPRE2_STR-GJAHR sy-vline 
WA_VIRPRE2_STR-PERIO sy-vline 
WA_VIRPRE2_STR-PERDE sy-vline 
WA_VIRPRE2_STR-DSTICH sy-vline 
WA_VIRPRE2_STR-WAERS sy-vline 
WA_VIRPRE2_STR-KSTAR sy-vline 
WA_VIRPRE2_STR-WKGXXX2 sy-vline 
WA_VIRPRE2_STR-WTGXXX2 sy-vline 
WA_VIRPRE2_STR-WOGXXX2 sy-vline 
WA_VIRPRE2_STR-AEPERIO sy-vline 
WA_VIRPRE2_STR-WKGXXX2_A sy-vline 
WA_VIRPRE2_STR-WOGXXX2_A sy-vline 
WA_VIRPRE2_STR-WTGXXX2_A sy-vline 
WA_VIRPRE2_STR-WAERS_A sy-vline 
WA_VIRPRE2_STR-BUKRS sy-vline 
WA_VIRPRE2_STR-BUKVW sy-vline 
WA_VIRPRE2_STR-GSBER sy-vline 
WA_VIRPRE2_STR-SWENR sy-vline 
WA_VIRPRE2_STR-SGRNR sy-vline 
WA_VIRPRE2_STR-SGENR sy-vline 
WA_VIRPRE2_STR-SMENR sy-vline 
WA_VIRPRE2_STR-SMIVE sy-vline 
WA_VIRPRE2_STR-SNKSL sy-vline 
WA_VIRPRE2_STR-SEMPSL sy-vline 
WA_VIRPRE2_STR-SVWNR sy-vline 
WA_VIRPRE2_STR-SABRG sy-vline 
WA_VIRPRE2_STR-BABRE2 sy-vline 
WA_VIRPRE2_STR-MEINS sy-vline 
WA_VIRPRE2_STR-SABRGPROZ sy-vline 
WA_VIRPRE2_STR-DUMMEINS sy-vline 
WA_VIRPRE2_STR-VRGNG sy-vline 
WA_VIRPRE2_STR-BEKNZ sy-vline 
WA_VIRPRE2_STR-VERSN sy-vline 
WA_VIRPRE2_STR-KOKRS sy-vline 
WA_VIRPRE2_STR-STAGR sy-vline 
WA_VIRPRE2_STR-SMEXXX2 sy-vline 
WA_VIRPRE2_STR-SMAXXX2 sy-vline 
WA_VIRPRE2_STR-WRTTP sy-vline 
WA_VIRPRE2_STR-PRCTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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