ABAP Select data from SAP table BTITEM_DRAFT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BTITEM_DRAFT
*  INTO TABLE @DATA(IT_BTITEM_DRAFT2).
*--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_BTITEM_DRAFT INDEX 1 INTO DATA(WA_BTITEM_DRAFT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BTITEM_DRAFT>-MANDT = 1.
<BTITEM_DRAFT>-DRAFTUUID = 1.
<BTITEM_DRAFT>-BATCHUUID = 1.
<BTITEM_DRAFT>-PAYMENTBATCHITEM = 1.
<BTITEM_DRAFT>-PAYMENTBATCH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BTITEM_DRAFT-PAYMENTGROUP, sy-vline,
  WA_BTITEM_DRAFT-SUPPLIER, sy-vline,
  WA_BTITEM_DRAFT-CUSTOMER, sy-vline,
  WA_BTITEM_DRAFT-PAYMENTRECIPIENT, sy-vline,
  WA_BTITEM_DRAFT-PAYMENTDOCUMENT, sy-vline,
  WA_BTITEM_DRAFT-POSTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BTITEM_DRAFT 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_BTITEM_DRAFT 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_BTITEM_DRAFT INTO WA_BTITEM_DRAFT.


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

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

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

*Conversion exit AC132, internal->external for field PAYMENTAMOUNTINRULECRCY
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_BTITEM_DRAFT-PAYMENTAMOUNTINRULECRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BTITEM_DRAFT-PAYMENTAMOUNTINRULECRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field PAIDAMOUNTINPAYTCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_BTITEM_DRAFT-PAIDAMOUNTINPAYTCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BTITEM_DRAFT-PAIDAMOUNTINPAYTCURRENCY.
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_BTITEM_DRAFT_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
BATCHUUID TYPE STRING,
PAYMENTBATCHITEM TYPE STRING,
PAYMENTBATCH TYPE STRING,
PAYMENTGROUP TYPE STRING,
SUPPLIER TYPE STRING,
CUSTOMER TYPE STRING,
PAYMENTRECIPIENT TYPE STRING,
PAYMENTDOCUMENT TYPE STRING,
POSTINGDATE TYPE STRING,
PAYMENTSGROUPINGCRITERION TYPE STRING,
PAYMENTRUNDATE TYPE STRING,
PAYMENTRUNID TYPE STRING,
PAYINGCOMPANYCODE TYPE STRING,
PAYMENTBATCHMERGEDATE TYPE STRING,
PAYMENTBATCHMERGE TYPE STRING,
PAYMENTRUNISPROPOSAL TYPE STRING,
PAYMENTBATCHSTATUS TYPE STRING,
PAYMENTAMOUNTINRULECRCY TYPE STRING,
PAYMENTBATCHRULECURRENCY TYPE STRING,
PAIDAMOUNTINPAYTCURRENCY TYPE STRING,
PAYMENTCURRENCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
HOUSEBANK TYPE STRING,
BANKACCOUNT TYPE STRING,
BANKACCOUNTLONGID TYPE STRING,
PAYEEBANKACCOUNT TYPE STRING,
PAYEEBANKACCOUNTLONGID TYPE STRING,
PAIDITEMDUEDATE TYPE STRING,
DATAEXCHANGEINSTRUCTIONKEY TYPE STRING,
PAYTBATITMHASMOREINCGSTATUSES TYPE STRING,
BANKPAYTINCGSTATUSMESSAGE TYPE STRING,
ISURGENTPAYMENT TYPE STRING,
BANKPAYMENTORIGIN TYPE STRING,
PAYMENTBATCHITEMEXTENDTOEND TYPE STRING,
PAYMENTBATCHITEMEXTERNALSTATUS TYPE STRING,
STATUS TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BTITEM_DRAFT_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_BTITEM_DRAFT_STR-MANDT sy-vline 
WA_BTITEM_DRAFT_STR-DRAFTUUID sy-vline 
WA_BTITEM_DRAFT_STR-BATCHUUID sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTBATCHITEM sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTBATCH sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTGROUP sy-vline 
WA_BTITEM_DRAFT_STR-SUPPLIER sy-vline 
WA_BTITEM_DRAFT_STR-CUSTOMER sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTRECIPIENT sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTDOCUMENT sy-vline 
WA_BTITEM_DRAFT_STR-POSTINGDATE sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTSGROUPINGCRITERION sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTRUNDATE sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTRUNID sy-vline 
WA_BTITEM_DRAFT_STR-PAYINGCOMPANYCODE sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTBATCHMERGEDATE sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTBATCHMERGE sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTRUNISPROPOSAL sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTBATCHSTATUS sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTAMOUNTINRULECRCY sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTBATCHRULECURRENCY sy-vline 
WA_BTITEM_DRAFT_STR-PAIDAMOUNTINPAYTCURRENCY sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTCURRENCY sy-vline 
WA_BTITEM_DRAFT_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_BTITEM_DRAFT_STR-COMPANYCODECURRENCY sy-vline 
WA_BTITEM_DRAFT_STR-HOUSEBANK sy-vline 
WA_BTITEM_DRAFT_STR-BANKACCOUNT sy-vline 
WA_BTITEM_DRAFT_STR-BANKACCOUNTLONGID sy-vline 
WA_BTITEM_DRAFT_STR-PAYEEBANKACCOUNT sy-vline 
WA_BTITEM_DRAFT_STR-PAYEEBANKACCOUNTLONGID sy-vline 
WA_BTITEM_DRAFT_STR-PAIDITEMDUEDATE sy-vline 
WA_BTITEM_DRAFT_STR-DATAEXCHANGEINSTRUCTIONKEY sy-vline 
WA_BTITEM_DRAFT_STR-PAYTBATITMHASMOREINCGSTATUSES sy-vline 
WA_BTITEM_DRAFT_STR-BANKPAYTINCGSTATUSMESSAGE sy-vline 
WA_BTITEM_DRAFT_STR-ISURGENTPAYMENT sy-vline 
WA_BTITEM_DRAFT_STR-BANKPAYMENTORIGIN sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTBATCHITEMEXTENDTOEND sy-vline 
WA_BTITEM_DRAFT_STR-PAYMENTBATCHITEMEXTERNALSTATUS sy-vline 
WA_BTITEM_DRAFT_STR-STATUS sy-vline 
WA_BTITEM_DRAFT_STR-HASACTIVEENTITY sy-vline 
WA_BTITEM_DRAFT_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_BTITEM_DRAFT_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_BTITEM_DRAFT_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_BTITEM_DRAFT_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_BTITEM_DRAFT_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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