ABAP Select data from SAP table IMPBTCHITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMPBTCHITEM
*  INTO TABLE @DATA(IT_IMPBTCHITEM2).
*--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_IMPBTCHITEM INDEX 1 INTO DATA(WA_IMPBTCHITEM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMPBTCHITEM-PAYMENTRUNDATE, sy-vline,
  WA_IMPBTCHITEM-PAYMENTRUNID, sy-vline,
  WA_IMPBTCHITEM-PAYMENTDOCUMENT, sy-vline,
  WA_IMPBTCHITEM-BANKPAYMENTORIGIN, sy-vline,
  WA_IMPBTCHITEM-HOUSEBANK, sy-vline,
  WA_IMPBTCHITEM-POSTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMPBTCHITEM 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_IMPBTCHITEM 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_IMPBTCHITEM INTO WA_IMPBTCHITEM.


*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 PAYMENTDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMPBTCHITEM-PAYMENTDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPBTCHITEM-PAYMENTDOCUMENT.
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_IMPBTCHITEM_STR, 
MANDT TYPE STRING,
BATCHUUID TYPE STRING,
PAYMENTBATCHITEM TYPE STRING,
PAYMENTBATCH TYPE STRING,
PAYINGCOMPANYCODE TYPE STRING,
PAYMENTRUNDATE TYPE STRING,
PAYMENTRUNID TYPE STRING,
PAYMENTDOCUMENT TYPE STRING,
BANKPAYMENTORIGIN TYPE STRING,
HOUSEBANK TYPE STRING,
POSTINGDATE TYPE STRING,
HOUSEBANKNAME TYPE STRING,
HOUSEBANKACCOUNT TYPE STRING,
ISURGENTPAYMENT TYPE STRING,
SWIFTTRANSACTIONREFERENCEUUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMPBTCHITEM_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_IMPBTCHITEM_STR-MANDT sy-vline 
WA_IMPBTCHITEM_STR-BATCHUUID sy-vline 
WA_IMPBTCHITEM_STR-PAYMENTBATCHITEM sy-vline 
WA_IMPBTCHITEM_STR-PAYMENTBATCH sy-vline 
WA_IMPBTCHITEM_STR-PAYINGCOMPANYCODE sy-vline 
WA_IMPBTCHITEM_STR-PAYMENTRUNDATE sy-vline 
WA_IMPBTCHITEM_STR-PAYMENTRUNID sy-vline 
WA_IMPBTCHITEM_STR-PAYMENTDOCUMENT sy-vline 
WA_IMPBTCHITEM_STR-BANKPAYMENTORIGIN sy-vline 
WA_IMPBTCHITEM_STR-HOUSEBANK sy-vline 
WA_IMPBTCHITEM_STR-POSTINGDATE sy-vline 
WA_IMPBTCHITEM_STR-HOUSEBANKNAME sy-vline 
WA_IMPBTCHITEM_STR-HOUSEBANKACCOUNT sy-vline 
WA_IMPBTCHITEM_STR-ISURGENTPAYMENT sy-vline 
WA_IMPBTCHITEM_STR-SWIFTTRANSACTIONREFERENCEUUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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