ABAP Select data from SAP table VWB2_WBRKWBRP_2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VWB2_WBRKWBRP_2 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 VWB2_WBRKWBRP_2. 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 VWB2_WBRKWBRP_2 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_VWB2_WBRKWBRP_2 TYPE STANDARD TABLE OF VWB2_WBRKWBRP_2,
      WA_VWB2_WBRKWBRP_2 TYPE VWB2_WBRKWBRP_2,
      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: <VWB2_WBRKWBRP_2> TYPE VWB2_WBRKWBRP_2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VWB2_WBRKWBRP_2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VWB2_WBRKWBRP_2
  INTO TABLE IT_VWB2_WBRKWBRP_2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VWB2_WBRKWBRP_2
*  INTO TABLE @DATA(IT_VWB2_WBRKWBRP_22).
*--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_VWB2_WBRKWBRP_2 INDEX 1 INTO DATA(WA_VWB2_WBRKWBRP_22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VWB2_WBRKWBRP_2 ASSIGNING <VWB2_WBRKWBRP_2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VWB2_WBRKWBRP_2>-MANDT = 1.
<VWB2_WBRKWBRP_2>-WBELN = 1.
<VWB2_WBRKWBRP_2>-POSNR = 1.
<VWB2_WBRKWBRP_2>-EKORG = 1.
<VWB2_WBRKWBRP_2>-EKGRP = 1.

ENDLOOP.

LOOP AT IT_VWB2_WBRKWBRP_2 INTO WA_VWB2_WBRKWBRP_2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VWB2_WBRKWBRP_2-BUKRS, sy-vline,
  WA_VWB2_WBRKWBRP_2-VKORG, sy-vline,
  WA_VWB2_WBRKWBRP_2-VTWEG, sy-vline,
  WA_VWB2_WBRKWBRP_2-SPART, sy-vline,
  WA_VWB2_WBRKWBRP_2-LIFNR, sy-vline,
  WA_VWB2_WBRKWBRP_2-KUNNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VWB2_WBRKWBRP_2 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_VWB2_WBRKWBRP_2 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_VWB2_WBRKWBRP_2 INTO WA_VWB2_WBRKWBRP_2.


*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 ALPHA, internal->external for field WBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-WBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-WBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNRG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-KUNRG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-KUNRG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-VKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WFKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-WFKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-WFKME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-VOLEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PUNEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-PUNEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-PUNEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOLIF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-KOLIF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-KOLIF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VWB2_WBRKWBRP_2-CONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VWB2_WBRKWBRP_2-CONTRACT.
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_VWB2_WBRKWBRP_2_STR, 
MANDT TYPE STRING,
WBELN TYPE STRING,
POSNR TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
BUKRS TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
KUNRG TYPE STRING,
VKONT TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
WAERL TYPE STRING,
BLDAT TYPE STRING,
WFDAT TYPE STRING,
XBLNR TYPE STRING,
WRART TYPE STRING,
LFART TYPE STRING,
PROCESS_TYPE TYPE STRING,
LAND1TX TYPE STRING,
STCEGD TYPE STRING,
WDTYP TYPE STRING,
NETWR TYPE STRING,
MWSBP TYPE STRING,
BRTWR TYPE STRING,
BONBA TYPE STRING,
KZWI1 TYPE STRING,
KZWI2 TYPE STRING,
KZWI3 TYPE STRING,
KZWI4 TYPE STRING,
KZWI5 TYPE STRING,
KZWI6 TYPE STRING,
MWSKZ TYPE STRING,
WERKS TYPE STRING,
MATNR TYPE STRING,
MATKL TYPE STRING,
EKKOL TYPE STRING,
LTSNR TYPE STRING,
WFKME TYPE STRING,
MENGE TYPE STRING,
GEWEI TYPE STRING,
NTGEW TYPE STRING,
BRGEW TYPE STRING,
VOLEH TYPE STRING,
VOLUM TYPE STRING,
PUNEI TYPE STRING,
ANZPU TYPE STRING,
MEINS TYPE STRING,
FKLMG TYPE STRING,
PRCTR TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
PS_PSP_PNR TYPE STRING,
GSBER TYPE STRING,
CUSTOMER TYPE STRING,
KOLIF TYPE STRING,
TXDAT_FROM TYPE STRING,
KONDM TYPE STRING,
PROVG TYPE STRING,
BONUS TYPE STRING,
LFTYPV TYPE STRING,
BUPLA TYPE STRING,
REF_DOC_NR_1 TYPE STRING,
REF_ITEM_NUMBER TYPE STRING,
REF_TYPE TYPE STRING,
PRSDT TYPE STRING,
CONTRACT TYPE STRING,
CONTRACT_PROCESS TYPE STRING,
CONTR_TYPE TYPE STRING,
SETTL_DATE_TYPE TYPE STRING,
ACT_SETTL_DATE TYPE STRING,
SETTLEMENT_DATE TYPE STRING,
WAERK TYPE STRING,
FKDAT TYPE STRING,
TAX_COUNTRY TYPE STRING,
TXJCD TYPE STRING,
T2CCODE_CRCY_CONV_FACTOR TYPE STRING,
T2CNTRY_CRCY_CONV_FACTOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VWB2_WBRKWBRP_2_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_VWB2_WBRKWBRP_2_STR-MANDT sy-vline 
WA_VWB2_WBRKWBRP_2_STR-WBELN sy-vline 
WA_VWB2_WBRKWBRP_2_STR-POSNR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-EKORG sy-vline 
WA_VWB2_WBRKWBRP_2_STR-EKGRP sy-vline 
WA_VWB2_WBRKWBRP_2_STR-BUKRS sy-vline 
WA_VWB2_WBRKWBRP_2_STR-VKORG sy-vline 
WA_VWB2_WBRKWBRP_2_STR-VTWEG sy-vline 
WA_VWB2_WBRKWBRP_2_STR-SPART sy-vline 
WA_VWB2_WBRKWBRP_2_STR-LIFNR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KUNNR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KUNRG sy-vline 
WA_VWB2_WBRKWBRP_2_STR-VKONT sy-vline 
WA_VWB2_WBRKWBRP_2_STR-VKGRP sy-vline 
WA_VWB2_WBRKWBRP_2_STR-VKBUR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-WAERL sy-vline 
WA_VWB2_WBRKWBRP_2_STR-BLDAT sy-vline 
WA_VWB2_WBRKWBRP_2_STR-WFDAT sy-vline 
WA_VWB2_WBRKWBRP_2_STR-XBLNR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-WRART sy-vline 
WA_VWB2_WBRKWBRP_2_STR-LFART sy-vline 
WA_VWB2_WBRKWBRP_2_STR-PROCESS_TYPE sy-vline 
WA_VWB2_WBRKWBRP_2_STR-LAND1TX sy-vline 
WA_VWB2_WBRKWBRP_2_STR-STCEGD sy-vline 
WA_VWB2_WBRKWBRP_2_STR-WDTYP sy-vline 
WA_VWB2_WBRKWBRP_2_STR-NETWR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-MWSBP sy-vline 
WA_VWB2_WBRKWBRP_2_STR-BRTWR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-BONBA sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KZWI1 sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KZWI2 sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KZWI3 sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KZWI4 sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KZWI5 sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KZWI6 sy-vline 
WA_VWB2_WBRKWBRP_2_STR-MWSKZ sy-vline 
WA_VWB2_WBRKWBRP_2_STR-WERKS sy-vline 
WA_VWB2_WBRKWBRP_2_STR-MATNR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-MATKL sy-vline 
WA_VWB2_WBRKWBRP_2_STR-EKKOL sy-vline 
WA_VWB2_WBRKWBRP_2_STR-LTSNR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-WFKME sy-vline 
WA_VWB2_WBRKWBRP_2_STR-MENGE sy-vline 
WA_VWB2_WBRKWBRP_2_STR-GEWEI sy-vline 
WA_VWB2_WBRKWBRP_2_STR-NTGEW sy-vline 
WA_VWB2_WBRKWBRP_2_STR-BRGEW sy-vline 
WA_VWB2_WBRKWBRP_2_STR-VOLEH sy-vline 
WA_VWB2_WBRKWBRP_2_STR-VOLUM sy-vline 
WA_VWB2_WBRKWBRP_2_STR-PUNEI sy-vline 
WA_VWB2_WBRKWBRP_2_STR-ANZPU sy-vline 
WA_VWB2_WBRKWBRP_2_STR-MEINS sy-vline 
WA_VWB2_WBRKWBRP_2_STR-FKLMG sy-vline 
WA_VWB2_WBRKWBRP_2_STR-PRCTR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KOSTL sy-vline 
WA_VWB2_WBRKWBRP_2_STR-AUFNR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-PS_PSP_PNR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-GSBER sy-vline 
WA_VWB2_WBRKWBRP_2_STR-CUSTOMER sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KOLIF sy-vline 
WA_VWB2_WBRKWBRP_2_STR-TXDAT_FROM sy-vline 
WA_VWB2_WBRKWBRP_2_STR-KONDM sy-vline 
WA_VWB2_WBRKWBRP_2_STR-PROVG sy-vline 
WA_VWB2_WBRKWBRP_2_STR-BONUS sy-vline 
WA_VWB2_WBRKWBRP_2_STR-LFTYPV sy-vline 
WA_VWB2_WBRKWBRP_2_STR-BUPLA sy-vline 
WA_VWB2_WBRKWBRP_2_STR-REF_DOC_NR_1 sy-vline 
WA_VWB2_WBRKWBRP_2_STR-REF_ITEM_NUMBER sy-vline 
WA_VWB2_WBRKWBRP_2_STR-REF_TYPE sy-vline 
WA_VWB2_WBRKWBRP_2_STR-PRSDT sy-vline 
WA_VWB2_WBRKWBRP_2_STR-CONTRACT sy-vline 
WA_VWB2_WBRKWBRP_2_STR-CONTRACT_PROCESS sy-vline 
WA_VWB2_WBRKWBRP_2_STR-CONTR_TYPE sy-vline 
WA_VWB2_WBRKWBRP_2_STR-SETTL_DATE_TYPE sy-vline 
WA_VWB2_WBRKWBRP_2_STR-ACT_SETTL_DATE sy-vline 
WA_VWB2_WBRKWBRP_2_STR-SETTLEMENT_DATE sy-vline 
WA_VWB2_WBRKWBRP_2_STR-WAERK sy-vline 
WA_VWB2_WBRKWBRP_2_STR-FKDAT sy-vline 
WA_VWB2_WBRKWBRP_2_STR-TAX_COUNTRY sy-vline 
WA_VWB2_WBRKWBRP_2_STR-TXJCD sy-vline 
WA_VWB2_WBRKWBRP_2_STR-T2CCODE_CRCY_CONV_FACTOR sy-vline 
WA_VWB2_WBRKWBRP_2_STR-T2CNTRY_CRCY_CONV_FACTOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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