ABAP Select data from SAP table VEWA_ORDER_WEIGH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VEWA_ORDER_WEIGH
*  INTO TABLE @DATA(IT_VEWA_ORDER_WEIGH2).
*--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_VEWA_ORDER_WEIGH INDEX 1 INTO DATA(WA_VEWA_ORDER_WEIGH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VEWA_ORDER_WEIGH>-MANDT = 1.
<VEWA_ORDER_WEIGH>-ORDERNR = 1.
<VEWA_ORDER_WEIGH>-WCNT = 1.
<VEWA_ORDER_WEIGH>-STORNO = 1.
<VEWA_ORDER_WEIGH>-MBLNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VEWA_ORDER_WEIGH-MBLNR_GG, sy-vline,
  WA_VEWA_ORDER_WEIGH-MJAHR, sy-vline,
  WA_VEWA_ORDER_WEIGH-COBELDAT, sy-vline,
  WA_VEWA_ORDER_WEIGH-EXT_ID, sy-vline,
  WA_VEWA_ORDER_WEIGH-WASTE, sy-vline,
  WA_VEWA_ORDER_WEIGH-LICENSE_NUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VEWA_ORDER_WEIGH 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_VEWA_ORDER_WEIGH 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_VEWA_ORDER_WEIGH INTO WA_VEWA_ORDER_WEIGH.


*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 ORDERNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VEWA_ORDER_WEIGH-ORDERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VEWA_ORDER_WEIGH-ORDERNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field VBELN_SC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VEWA_ORDER_WEIGH-VBELN_SC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VEWA_ORDER_WEIGH-VBELN_SC.
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_VEWA_ORDER_WEIGH_STR, 
MANDT TYPE STRING,
ORDERNR TYPE STRING,
WCNT TYPE STRING,
STORNO TYPE STRING,
MBLNR TYPE STRING,
MBLNR_GG TYPE STRING,
MJAHR TYPE STRING,
COBELDAT TYPE STRING,
EXT_ID TYPE STRING,
WASTE TYPE STRING,
LICENSE_NUM TYPE STRING,
GROSS_ID TYPE STRING,
GROSS_WDATE TYPE STRING,
GROSS_WTIME TYPE STRING,
GROSS_WEIGHT TYPE STRING,
GROSS_SCALE TYPE STRING,
TARE_ID TYPE STRING,
TARE_WDATE TYPE STRING,
TARE_WTIME TYPE STRING,
TARE_WEIGHT TYPE STRING,
TARE_SCALE TYPE STRING,
WEIGHT_UNIT TYPE STRING,
NET_WEIGHT TYPE STRING,
VOLUME TYPE STRING,
VOL_UNIT TYPE STRING,
ANALYSE TYPE STRING,
WDPLANT TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
LGTYP_W TYPE STRING,
LGPLA_W TYPE STRING,
STOCK_TYPE TYPE STRING,
POBJNR TYPE STRING,
PSTNG_DATE TYPE STRING,
PROCESSTYPE TYPE STRING,
GM_FLAG TYPE STRING,
BILLING_FLAG TYPE STRING,
QUANTITY TYPE STRING,
QUANTITY_UNIT TYPE STRING,
KONNR_SC TYPE STRING,
KTPNR_SC TYPE STRING,
BSTMG_SC TYPE STRING,
BSTME_SC TYPE STRING,
KONNRSLS_SC TYPE STRING,
KTPNRSLS_SC TYPE STRING,
WEIGHINGNR TYPE STRING,
EBELN_SC TYPE STRING,
EBELP_SC TYPE STRING,
MBLNR_SC TYPE STRING,
MJAHR_SC TYPE STRING,
VBELN_SC TYPE STRING,
POSNR_SC TYPE STRING,
MATSPLIT_TYPE TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VEWA_ORDER_WEIGH_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_VEWA_ORDER_WEIGH_STR-MANDT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-ORDERNR sy-vline 
WA_VEWA_ORDER_WEIGH_STR-WCNT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-STORNO sy-vline 
WA_VEWA_ORDER_WEIGH_STR-MBLNR sy-vline 
WA_VEWA_ORDER_WEIGH_STR-MBLNR_GG sy-vline 
WA_VEWA_ORDER_WEIGH_STR-MJAHR sy-vline 
WA_VEWA_ORDER_WEIGH_STR-COBELDAT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-EXT_ID sy-vline 
WA_VEWA_ORDER_WEIGH_STR-WASTE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-LICENSE_NUM sy-vline 
WA_VEWA_ORDER_WEIGH_STR-GROSS_ID sy-vline 
WA_VEWA_ORDER_WEIGH_STR-GROSS_WDATE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-GROSS_WTIME sy-vline 
WA_VEWA_ORDER_WEIGH_STR-GROSS_WEIGHT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-GROSS_SCALE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-TARE_ID sy-vline 
WA_VEWA_ORDER_WEIGH_STR-TARE_WDATE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-TARE_WTIME sy-vline 
WA_VEWA_ORDER_WEIGH_STR-TARE_WEIGHT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-TARE_SCALE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-WEIGHT_UNIT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-NET_WEIGHT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-VOLUME sy-vline 
WA_VEWA_ORDER_WEIGH_STR-VOL_UNIT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-ANALYSE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-WDPLANT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-WERKS sy-vline 
WA_VEWA_ORDER_WEIGH_STR-LGORT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-LGTYP_W sy-vline 
WA_VEWA_ORDER_WEIGH_STR-LGPLA_W sy-vline 
WA_VEWA_ORDER_WEIGH_STR-STOCK_TYPE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-POBJNR sy-vline 
WA_VEWA_ORDER_WEIGH_STR-PSTNG_DATE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-PROCESSTYPE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-GM_FLAG sy-vline 
WA_VEWA_ORDER_WEIGH_STR-BILLING_FLAG sy-vline 
WA_VEWA_ORDER_WEIGH_STR-QUANTITY sy-vline 
WA_VEWA_ORDER_WEIGH_STR-QUANTITY_UNIT sy-vline 
WA_VEWA_ORDER_WEIGH_STR-KONNR_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-KTPNR_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-BSTMG_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-BSTME_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-KONNRSLS_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-KTPNRSLS_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-WEIGHINGNR sy-vline 
WA_VEWA_ORDER_WEIGH_STR-EBELN_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-EBELP_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-MBLNR_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-MJAHR_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-VBELN_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-POSNR_SC sy-vline 
WA_VEWA_ORDER_WEIGH_STR-MATSPLIT_TYPE sy-vline 
WA_VEWA_ORDER_WEIGH_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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