ABAP Select data from SAP table ISISCD_INVOICE_STR_BANK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISISCD_INVOICE_STR_BANK
*  INTO TABLE @DATA(IT_ISISCD_INVOICE_STR_BANK2).
*--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_ISISCD_INVOICE_STR_BANK INDEX 1 INTO DATA(WA_ISISCD_INVOICE_STR_BANK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISISCD_INVOICE_STR_BANK>-WA_BANK = 1.
<ISISCD_INVOICE_STR_BANK>-MANDT = 1.
<ISISCD_INVOICE_STR_BANK>-BUKRS = 1.
<ISISCD_INVOICE_STR_BANK>-HBKID = 1.
<ISISCD_INVOICE_STR_BANK>-BANKS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISISCD_INVOICE_STR_BANK-BANKL, sy-vline,
  WA_ISISCD_INVOICE_STR_BANK-TELF1, sy-vline,
  WA_ISISCD_INVOICE_STR_BANK-STCD1, sy-vline,
  WA_ISISCD_INVOICE_STR_BANK-NAME1, sy-vline,
  WA_ISISCD_INVOICE_STR_BANK-SPRAS, sy-vline,
  WA_ISISCD_INVOICE_STR_BANK-BUPLA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISISCD_INVOICE_STR_BANK 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_ISISCD_INVOICE_STR_BANK 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_ISISCD_INVOICE_STR_BANK INTO WA_ISISCD_INVOICE_STR_BANK.


*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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISISCD_INVOICE_STR_BANK-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISISCD_INVOICE_STR_BANK-SPRAS.
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_ISISCD_INVOICE_STR_BANK_STR, 
WA_BANK TYPE STRING,
MANDT TYPE STRING,
BUKRS TYPE STRING,
HBKID TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
TELF1 TYPE STRING,
STCD1 TYPE STRING,
NAME1 TYPE STRING,
SPRAS TYPE STRING,
BUPLA TYPE STRING,
VPAST TYPE STRING,
T_BK_ACCOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISISCD_INVOICE_STR_BANK_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_ISISCD_INVOICE_STR_BANK_STR-WA_BANK sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-MANDT sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-BUKRS sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-HBKID sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-BANKS sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-BANKL sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-TELF1 sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-STCD1 sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-NAME1 sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-SPRAS sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-BUPLA sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-VPAST sy-vline 
WA_ISISCD_INVOICE_STR_BANK_STR-T_BK_ACCOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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