ABAP Select data from SAP table BDEF_TEST_TABL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BDEF_TEST_TABL
*  INTO TABLE @DATA(IT_BDEF_TEST_TABL2).
*--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_BDEF_TEST_TABL INDEX 1 INTO DATA(WA_BDEF_TEST_TABL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BDEF_TEST_TABL>-MANDT = 1.
<BDEF_TEST_TABL>-SALESORDERUUID = 1.
<BDEF_TEST_TABL>-SALESORDER = 1.
<BDEF_TEST_TABL>-CREATEDBYUSER = 1.
<BDEF_TEST_TABL>-CREATIONDATETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BDEF_TEST_TABL-LASTCHANGEDBYUSER, sy-vline,
  WA_BDEF_TEST_TABL-LASTCHANGEDDATETIME, sy-vline,
  WA_BDEF_TEST_TABL-ISCREATEDBYBUSINESSPARTNER, sy-vline,
  WA_BDEF_TEST_TABL-ISLASTCHANGEDBYBUSINESSPARTNER, sy-vline,
  WA_BDEF_TEST_TABL-SHORTTEXTGROUPUUID, sy-vline,
  WA_BDEF_TEST_TABL-CUSTOMERUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BDEF_TEST_TABL 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_BDEF_TEST_TABL 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_BDEF_TEST_TABL INTO WA_BDEF_TEST_TABL.


*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 SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BDEF_TEST_TABL-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BDEF_TEST_TABL-SALESORDER.
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_BDEF_TEST_TABL_STR, 
MANDT TYPE STRING,
SALESORDERUUID TYPE STRING,
SALESORDER TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDDATETIME TYPE STRING,
ISCREATEDBYBUSINESSPARTNER TYPE STRING,
ISLASTCHANGEDBYBUSINESSPARTNER TYPE STRING,
SHORTTEXTGROUPUUID TYPE STRING,
CUSTOMERUUID TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
GROSSAMOUNTINTRANSACCURRENCY TYPE STRING,
NETAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
TAXAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
SALESORDERLIFECYCLESTATUS TYPE STRING,
SALESORDERBILLINGSTATUS TYPE STRING,
SALESORDERDELIVERYSTATUS TYPE STRING,
SALESORDEROVERALLSTATUS TYPE STRING,
OPPORTUNITY TYPE STRING,
CUSTOMERCONTACTUUID TYPE STRING,
SHIPTOPARTYADDRESSUUID TYPE STRING,
BILLTOPARTYADDRESSUUID TYPE STRING,
SALESORDERPAYMENTMETHOD TYPE STRING,
SALESORDERPAYMENTTERMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BDEF_TEST_TABL_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_BDEF_TEST_TABL_STR-MANDT sy-vline 
WA_BDEF_TEST_TABL_STR-SALESORDERUUID sy-vline 
WA_BDEF_TEST_TABL_STR-SALESORDER sy-vline 
WA_BDEF_TEST_TABL_STR-CREATEDBYUSER sy-vline 
WA_BDEF_TEST_TABL_STR-CREATIONDATETIME sy-vline 
WA_BDEF_TEST_TABL_STR-LASTCHANGEDBYUSER sy-vline 
WA_BDEF_TEST_TABL_STR-LASTCHANGEDDATETIME sy-vline 
WA_BDEF_TEST_TABL_STR-ISCREATEDBYBUSINESSPARTNER sy-vline 
WA_BDEF_TEST_TABL_STR-ISLASTCHANGEDBYBUSINESSPARTNER sy-vline 
WA_BDEF_TEST_TABL_STR-SHORTTEXTGROUPUUID sy-vline 
WA_BDEF_TEST_TABL_STR-CUSTOMERUUID sy-vline 
WA_BDEF_TEST_TABL_STR-TRANSACTIONCURRENCY sy-vline 
WA_BDEF_TEST_TABL_STR-GROSSAMOUNTINTRANSACCURRENCY sy-vline 
WA_BDEF_TEST_TABL_STR-NETAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_BDEF_TEST_TABL_STR-TAXAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_BDEF_TEST_TABL_STR-SALESORDERLIFECYCLESTATUS sy-vline 
WA_BDEF_TEST_TABL_STR-SALESORDERBILLINGSTATUS sy-vline 
WA_BDEF_TEST_TABL_STR-SALESORDERDELIVERYSTATUS sy-vline 
WA_BDEF_TEST_TABL_STR-SALESORDEROVERALLSTATUS sy-vline 
WA_BDEF_TEST_TABL_STR-OPPORTUNITY sy-vline 
WA_BDEF_TEST_TABL_STR-CUSTOMERCONTACTUUID sy-vline 
WA_BDEF_TEST_TABL_STR-SHIPTOPARTYADDRESSUUID sy-vline 
WA_BDEF_TEST_TABL_STR-BILLTOPARTYADDRESSUUID sy-vline 
WA_BDEF_TEST_TABL_STR-SALESORDERPAYMENTMETHOD sy-vline 
WA_BDEF_TEST_TABL_STR-SALESORDERPAYMENTTERMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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