ABAP Select data from SAP table WB2_DATA_FOR_ENRICHMENT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WB2_DATA_FOR_ENRICHMENT 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 WB2_DATA_FOR_ENRICHMENT. 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 WB2_DATA_FOR_ENRICHMENT 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_WB2_DATA_FOR_ENRICHMENT TYPE STANDARD TABLE OF WB2_DATA_FOR_ENRICHMENT,
      WA_WB2_DATA_FOR_ENRICHMENT TYPE WB2_DATA_FOR_ENRICHMENT,
      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: <WB2_DATA_FOR_ENRICHMENT> TYPE WB2_DATA_FOR_ENRICHMENT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_WB2_DATA_FOR_ENRICHMENT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM WB2_DATA_FOR_ENRICHMENT
  INTO TABLE IT_WB2_DATA_FOR_ENRICHMENT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WB2_DATA_FOR_ENRICHMENT
*  INTO TABLE @DATA(IT_WB2_DATA_FOR_ENRICHMENT2).
*--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_WB2_DATA_FOR_ENRICHMENT INDEX 1 INTO DATA(WA_WB2_DATA_FOR_ENRICHMENT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_WB2_DATA_FOR_ENRICHMENT ASSIGNING <WB2_DATA_FOR_ENRICHMENT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WB2_DATA_FOR_ENRICHMENT>-SETTLEMENT_PARTY = 1.
<WB2_DATA_FOR_ENRICHMENT>-PAYMENT_TYPE = 1.
<WB2_DATA_FOR_ENRICHMENT>-PURCHASING_ORG = 1.
<WB2_DATA_FOR_ENRICHMENT>-PURCHASING_GRP = 1.
<WB2_DATA_FOR_ENRICHMENT>-SALES_ORG = 1.

ENDLOOP.

LOOP AT IT_WB2_DATA_FOR_ENRICHMENT INTO WA_WB2_DATA_FOR_ENRICHMENT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WB2_DATA_FOR_ENRICHMENT-DISTRIBUTION_CHA, sy-vline,
  WA_WB2_DATA_FOR_ENRICHMENT-DIVISION, sy-vline,
  WA_WB2_DATA_FOR_ENRICHMENT-COMPANY_CODE, sy-vline,
  WA_WB2_DATA_FOR_ENRICHMENT-SALES_OFFICE, sy-vline,
  WA_WB2_DATA_FOR_ENRICHMENT-SALES_GROUP, sy-vline,
  WA_WB2_DATA_FOR_ENRICHMENT-VENDOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WB2_DATA_FOR_ENRICHMENT 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_WB2_DATA_FOR_ENRICHMENT 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_WB2_DATA_FOR_ENRICHMENT INTO WA_WB2_DATA_FOR_ENRICHMENT.


*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 VENDOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_DATA_FOR_ENRICHMENT-VENDOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_DATA_FOR_ENRICHMENT-VENDOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLD_TO_PARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_DATA_FOR_ENRICHMENT-SOLD_TO_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_DATA_FOR_ENRICHMENT-SOLD_TO_PARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAYER_PARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_DATA_FOR_ENRICHMENT-PAYER_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_DATA_FOR_ENRICHMENT-PAYER_PARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAYEE_PARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_DATA_FOR_ENRICHMENT-PAYEE_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_DATA_FOR_ENRICHMENT-PAYEE_PARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILL_TO_PARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_DATA_FOR_ENRICHMENT-BILL_TO_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_DATA_FOR_ENRICHMENT-BILL_TO_PARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVOICING_PARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_DATA_FOR_ENRICHMENT-INVOICING_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_DATA_FOR_ENRICHMENT-INVOICING_PARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILL_FROM_PARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_DATA_FOR_ENRICHMENT-BILL_FROM_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_DATA_FOR_ENRICHMENT-BILL_FROM_PARTY.
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_WB2_DATA_FOR_ENRICHMENT_STR, 
SETTLEMENT_PARTY TYPE STRING,
PAYMENT_TYPE TYPE STRING,
PURCHASING_ORG TYPE STRING,
PURCHASING_GRP TYPE STRING,
SALES_ORG TYPE STRING,
DISTRIBUTION_CHA TYPE STRING,
DIVISION TYPE STRING,
COMPANY_CODE TYPE STRING,
SALES_OFFICE TYPE STRING,
SALES_GROUP TYPE STRING,
VENDOR TYPE STRING,
SOLD_TO_PARTY TYPE STRING,
PAYER_PARTY TYPE STRING,
PAYEE_PARTY TYPE STRING,
BILL_TO_PARTY TYPE STRING,
INVOICING_PARTY TYPE STRING,
BILL_FROM_PARTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WB2_DATA_FOR_ENRICHMENT_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_WB2_DATA_FOR_ENRICHMENT_STR-SETTLEMENT_PARTY sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-PAYMENT_TYPE sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-PURCHASING_ORG sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-PURCHASING_GRP sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-SALES_ORG sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-DISTRIBUTION_CHA sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-DIVISION sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-COMPANY_CODE sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-SALES_OFFICE sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-SALES_GROUP sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-VENDOR sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-SOLD_TO_PARTY sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-PAYER_PARTY sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-PAYEE_PARTY sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-BILL_TO_PARTY sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-INVOICING_PARTY sy-vline 
WA_WB2_DATA_FOR_ENRICHMENT_STR-BILL_FROM_PARTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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