ABAP Select data from SAP table SRM_VEGUID_ATTR_BW_STRUC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SRM_VEGUID_ATTR_BW_STRUC
*  INTO TABLE @DATA(IT_SRM_VEGUID_ATTR_BW_STRUC2).
*--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_SRM_VEGUID_ATTR_BW_STRUC INDEX 1 INTO DATA(WA_SRM_VEGUID_ATTR_BW_STRUC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SRM_VEGUID_ATTR_BW_STRUC>-ID = 1.
<SRM_VEGUID_ATTR_BW_STRUC>-EVAL_DATE = 1.
<SRM_VEGUID_ATTR_BW_STRUC>-BINDING_CLASS = 1.
<SRM_VEGUID_ATTR_BW_STRUC>-BINDING_TYPE = 1.
<SRM_VEGUID_ATTR_BW_STRUC>-TAR_HIER_GUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SRM_VEGUID_ATTR_BW_STRUC-TAR_HIER_VERSION, sy-vline,
  WA_SRM_VEGUID_ATTR_BW_STRUC-SAP_OBJECT, sy-vline,
  WA_SRM_VEGUID_ATTR_BW_STRUC-NODE, sy-vline,
  WA_SRM_VEGUID_ATTR_BW_STRUC-TAROBJ, sy-vline,
  WA_SRM_VEGUID_ATTR_BW_STRUC-PO_NUMBER, sy-vline,
  WA_SRM_VEGUID_ATTR_BW_STRUC-VENDOR_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SRM_VEGUID_ATTR_BW_STRUC 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_SRM_VEGUID_ATTR_BW_STRUC 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_SRM_VEGUID_ATTR_BW_STRUC INTO WA_SRM_VEGUID_ATTR_BW_STRUC.


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

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

*Conversion exit PRID1, internal->external for field PRODUCT_ID
CALL FUNCTION 'CONVERSION_EXIT_PRID1_OUTPUT'
  EXPORTING
    input =                      WA_SRM_VEGUID_ATTR_BW_STRUC-PRODUCT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SRM_VEGUID_ATTR_BW_STRUC-PRODUCT_ID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field LOCATION_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SRM_VEGUID_ATTR_BW_STRUC-LOCATION_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SRM_VEGUID_ATTR_BW_STRUC-LOCATION_ID.
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_SRM_VEGUID_ATTR_BW_STRUC_STR, 
ID TYPE STRING,
EVAL_DATE TYPE STRING,
BINDING_CLASS TYPE STRING,
BINDING_TYPE TYPE STRING,
TAR_HIER_GUID TYPE STRING,
TAR_HIER_VERSION TYPE STRING,
SAP_OBJECT TYPE STRING,
NODE TYPE STRING,
TAROBJ TYPE STRING,
PO_NUMBER TYPE STRING,
VENDOR_ID TYPE STRING,
ITEM_NUMBER TYPE STRING,
PRODUCT_ID TYPE STRING,
CATEGORY_ID TYPE STRING,
PROC_ORG_ID TYPE STRING,
BBP_LOG_SYSTEM TYPE STRING,
PROD_SRC_SYS TYPE STRING,
UNAME TYPE STRING,
OBJECT_TYPE TYPE STRING,
OBJECT_ID TYPE STRING,
PO_ITEM_NO TYPE STRING,
PRODUCT_GUID TYPE STRING,
CATEGORY_GUID TYPE STRING,
POSTING_DATE TYPE STRING,
SRVPROV_ID TYPE STRING,
LOCATION_ID TYPE STRING,
OBJECT_GUID TYPE STRING,
ITEM_GUID TYPE STRING,
PO_GUID TYPE STRING,
PO_ITEM_GUID TYPE STRING,
USER_AGR_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SRM_VEGUID_ATTR_BW_STRUC_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_SRM_VEGUID_ATTR_BW_STRUC_STR-ID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-EVAL_DATE sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-BINDING_CLASS sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-BINDING_TYPE sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-TAR_HIER_GUID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-TAR_HIER_VERSION sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-SAP_OBJECT sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-NODE sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-TAROBJ sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-PO_NUMBER sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-VENDOR_ID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-ITEM_NUMBER sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-PRODUCT_ID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-CATEGORY_ID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-PROC_ORG_ID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-BBP_LOG_SYSTEM sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-PROD_SRC_SYS sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-UNAME sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-OBJECT_TYPE sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-OBJECT_ID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-PO_ITEM_NO sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-PRODUCT_GUID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-CATEGORY_GUID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-POSTING_DATE sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-SRVPROV_ID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-LOCATION_ID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-OBJECT_GUID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-ITEM_GUID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-PO_GUID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-PO_ITEM_GUID sy-vline 
WA_SRM_VEGUID_ATTR_BW_STRUC_STR-USER_AGR_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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