ABAP Select data from SAP table BNK_BTC_ITEM_UI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BNK_BTC_ITEM_UI
*  INTO TABLE @DATA(IT_BNK_BTC_ITEM_UI2).
*--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_BNK_BTC_ITEM_UI INDEX 1 INTO DATA(WA_BNK_BTC_ITEM_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BNK_BTC_ITEM_UI>-ITEM_NO = 1.
<BNK_BTC_ITEM_UI>-BATCH_NO = 1.
<BNK_BTC_ITEM_UI>-LAUFD_O = 1.
<BNK_BTC_ITEM_UI>-LAUFI_O = 1.
<BNK_BTC_ITEM_UI>-STATUS_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BNK_BTC_ITEM_UI-STATUS_TXT, sy-vline,
  WA_BNK_BTC_ITEM_UI-ZBUKR, sy-vline,
  WA_BNK_BTC_ITEM_UI-BUTXT, sy-vline,
  WA_BNK_BTC_ITEM_UI-LIFNR, sy-vline,
  WA_BNK_BTC_ITEM_UI-KUNNR, sy-vline,
  WA_BNK_BTC_ITEM_UI-EMPFG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BNK_BTC_ITEM_UI 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_BNK_BTC_ITEM_UI 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_BNK_BTC_ITEM_UI INTO WA_BNK_BTC_ITEM_UI.


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

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BNK_BTC_ITEM_UI-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BNK_BTC_ITEM_UI-GJAHR.
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_BNK_BTC_ITEM_UI_STR, 
ITEM_NO TYPE STRING,
BATCH_NO TYPE STRING,
LAUFD_O TYPE STRING,
LAUFI_O TYPE STRING,
STATUS_ID TYPE STRING,
STATUS_TXT TYPE STRING,
ZBUKR TYPE STRING,
BUTXT TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
EMPFG TYPE STRING,
VBLNR TYPE STRING,
GJAHR TYPE STRING,
ZALDT TYPE STRING,
LAUFD_M TYPE STRING,
LAUFI_M TYPE STRING,
DORIGIN TYPE STRING,
PAYGR TYPE STRING,
AUSFD TYPE STRING,
RZAWE TYPE STRING,
ZNME1 TYPE STRING,
ZBNKS TYPE STRING,
ZBNKY TYPE STRING,
ZBNKN TYPE STRING,
ZBNKL TYPE STRING,
ZSWIF TYPE STRING,
ZIBAN TYPE STRING,
HKTID TYPE STRING,
HBKID TYPE STRING,
UBNKS TYPE STRING,
UBNKY TYPE STRING,
UBNKL TYPE STRING,
RWBTR TYPE STRING,
WAERS TYPE STRING,
RBETR TYPE STRING,
HWAER TYPE STRING,
AMT_RULECU TYPE STRING,
RULE_CURR TYPE STRING,
URGENT TYPE STRING,
DTKVS TYPE STRING,
DTAWS TYPE STRING,
UETR TYPE STRING,
OLD_BTCNO TYPE STRING,
WDATE TYPE STRING,
WEFAE TYPE STRING,
COUNTER TYPE STRING,
REASON TYPE STRING,
DESCR TYPE STRING,
PAYM_SYSTEM TYPE STRING,
END_TO_END_ID_EXT TYPE STRING,
EXT_STAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BNK_BTC_ITEM_UI_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_BNK_BTC_ITEM_UI_STR-ITEM_NO sy-vline 
WA_BNK_BTC_ITEM_UI_STR-BATCH_NO sy-vline 
WA_BNK_BTC_ITEM_UI_STR-LAUFD_O sy-vline 
WA_BNK_BTC_ITEM_UI_STR-LAUFI_O sy-vline 
WA_BNK_BTC_ITEM_UI_STR-STATUS_ID sy-vline 
WA_BNK_BTC_ITEM_UI_STR-STATUS_TXT sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZBUKR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-BUTXT sy-vline 
WA_BNK_BTC_ITEM_UI_STR-LIFNR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-KUNNR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-EMPFG sy-vline 
WA_BNK_BTC_ITEM_UI_STR-VBLNR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-GJAHR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZALDT sy-vline 
WA_BNK_BTC_ITEM_UI_STR-LAUFD_M sy-vline 
WA_BNK_BTC_ITEM_UI_STR-LAUFI_M sy-vline 
WA_BNK_BTC_ITEM_UI_STR-DORIGIN sy-vline 
WA_BNK_BTC_ITEM_UI_STR-PAYGR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-AUSFD sy-vline 
WA_BNK_BTC_ITEM_UI_STR-RZAWE sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZNME1 sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZBNKS sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZBNKY sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZBNKN sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZBNKL sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZSWIF sy-vline 
WA_BNK_BTC_ITEM_UI_STR-ZIBAN sy-vline 
WA_BNK_BTC_ITEM_UI_STR-HKTID sy-vline 
WA_BNK_BTC_ITEM_UI_STR-HBKID sy-vline 
WA_BNK_BTC_ITEM_UI_STR-UBNKS sy-vline 
WA_BNK_BTC_ITEM_UI_STR-UBNKY sy-vline 
WA_BNK_BTC_ITEM_UI_STR-UBNKL sy-vline 
WA_BNK_BTC_ITEM_UI_STR-RWBTR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-WAERS sy-vline 
WA_BNK_BTC_ITEM_UI_STR-RBETR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-HWAER sy-vline 
WA_BNK_BTC_ITEM_UI_STR-AMT_RULECU sy-vline 
WA_BNK_BTC_ITEM_UI_STR-RULE_CURR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-URGENT sy-vline 
WA_BNK_BTC_ITEM_UI_STR-DTKVS sy-vline 
WA_BNK_BTC_ITEM_UI_STR-DTAWS sy-vline 
WA_BNK_BTC_ITEM_UI_STR-UETR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-OLD_BTCNO sy-vline 
WA_BNK_BTC_ITEM_UI_STR-WDATE sy-vline 
WA_BNK_BTC_ITEM_UI_STR-WEFAE sy-vline 
WA_BNK_BTC_ITEM_UI_STR-COUNTER sy-vline 
WA_BNK_BTC_ITEM_UI_STR-REASON sy-vline 
WA_BNK_BTC_ITEM_UI_STR-DESCR sy-vline 
WA_BNK_BTC_ITEM_UI_STR-PAYM_SYSTEM sy-vline 
WA_BNK_BTC_ITEM_UI_STR-END_TO_END_ID_EXT sy-vline 
WA_BNK_BTC_ITEM_UI_STR-EXT_STAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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