ABAP Select data from SAP table FAP_VMD_S_VENDORCOMPJOIN_STD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAP_VMD_S_VENDORCOMPJOIN_STD
*  INTO TABLE @DATA(IT_FAP_VMD_S_VENDORCOMPJOIN_STD2).
*--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_FAP_VMD_S_VENDORCOMPJOIN_STD INDEX 1 INTO DATA(WA_FAP_VMD_S_VENDORCOMPJOIN_STD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAP_VMD_S_VENDORCOMPJOIN_STD>-VENDOR = 1.
<FAP_VMD_S_VENDORCOMPJOIN_STD>-COMPANY = 1.
<FAP_VMD_S_VENDORCOMPJOIN_STD>-VENDORNAME = 1.
<FAP_VMD_S_VENDORCOMPJOIN_STD>-COMPANYNAME = 1.
<FAP_VMD_S_VENDORCOMPJOIN_STD>-TAXNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAP_VMD_S_VENDORCOMPJOIN_STD-HASSEVERALTAXNUMBERS, sy-vline,
  WA_FAP_VMD_S_VENDORCOMPJOIN_STD-PAYMENTISBLOCKEDFORVENDOR, sy-vline,
  WA_FAP_VMD_S_VENDORCOMPJOIN_STD-POSTINGISBLOCKEDFORVENDOR, sy-vline,
  WA_FAP_VMD_S_VENDORCOMPJOIN_STD-DUNNINGISBLOCKEDFORVENDOR, sy-vline,
  WA_FAP_VMD_S_VENDORCOMPJOIN_STD-ISMARKEDFORDELETION, sy-vline,
  WA_FAP_VMD_S_VENDORCOMPJOIN_STD-COUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAP_VMD_S_VENDORCOMPJOIN_STD 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_FAP_VMD_S_VENDORCOMPJOIN_STD 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_FAP_VMD_S_VENDORCOMPJOIN_STD INTO WA_FAP_VMD_S_VENDORCOMPJOIN_STD.


*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_FAP_VMD_S_VENDORCOMPJOIN_STD-VENDOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAP_VMD_S_VENDORCOMPJOIN_STD-VENDOR.
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_FAP_VMD_S_VENDORCOMPJOIN_STD_STR, 
VENDOR TYPE STRING,
COMPANY TYPE STRING,
VENDORNAME TYPE STRING,
COMPANYNAME TYPE STRING,
TAXNUMBER TYPE STRING,
HASSEVERALTAXNUMBERS TYPE STRING,
PAYMENTISBLOCKEDFORVENDOR TYPE STRING,
POSTINGISBLOCKEDFORVENDOR TYPE STRING,
DUNNINGISBLOCKEDFORVENDOR TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
COUNTRY TYPE STRING,
COUNTRYNAME TYPE STRING,
CITYNAME TYPE STRING,
POSTALCODE TYPE STRING,
STREETNAME TYPE STRING,
DISTRICT TYPE STRING,
REGION TYPE STRING,
POBOX TYPE STRING,
ACCOUNTINGCLERK TYPE STRING,
EMAILADDRESS TYPE STRING,
SELBYBANKACCOUNTNUMBERORIBAN TYPE STRING,
SELBYTAXNUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAP_VMD_S_VENDORCOMPJOIN_STD_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_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-VENDOR sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-COMPANY sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-VENDORNAME sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-COMPANYNAME sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-TAXNUMBER sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-HASSEVERALTAXNUMBERS sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-PAYMENTISBLOCKEDFORVENDOR sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-POSTINGISBLOCKEDFORVENDOR sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-DUNNINGISBLOCKEDFORVENDOR sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-ISMARKEDFORDELETION sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-COUNTRY sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-COUNTRYNAME sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-CITYNAME sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-POSTALCODE sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-STREETNAME sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-DISTRICT sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-REGION sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-POBOX sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-ACCOUNTINGCLERK sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-EMAILADDRESS sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-SELBYBANKACCOUNTNUMBERORIBAN sy-vline 
WA_FAP_VMD_S_VENDORCOMPJOIN_STD_STR-SELBYTAXNUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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