ABAP Select data from SAP table BANK_ACCOUNT_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BANK_ACCOUNT_DATA
*  INTO TABLE @DATA(IT_BANK_ACCOUNT_DATA2).
*--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_BANK_ACCOUNT_DATA INDEX 1 INTO DATA(WA_BANK_ACCOUNT_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BANK_ACCOUNT_DATA>-CHAINNO = 1.
<BANK_ACCOUNT_DATA>-CHAINTX = 1.
<BANK_ACCOUNT_DATA>-BANKS = 1.
<BANK_ACCOUNT_DATA>-CHAINNO = 1.
<BANK_ACCOUNT_DATA>-BANKL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BANK_ACCOUNT_DATA-BANKS, sy-vline,
  WA_BANK_ACCOUNT_DATA-BANKL, sy-vline,
  WA_BANK_ACCOUNT_DATA-ERDAT, sy-vline,
  WA_BANK_ACCOUNT_DATA-ERDAT, sy-vline,
  WA_BANK_ACCOUNT_DATA-ERNAM, sy-vline,
  WA_BANK_ACCOUNT_DATA-BANKA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BANK_ACCOUNT_DATA 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_BANK_ACCOUNT_DATA 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_BANK_ACCOUNT_DATA INTO WA_BANK_ACCOUNT_DATA.


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

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

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

*Conversion exit ALPHA, internal->external for field CHKME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BANK_ACCOUNT_DATA-CHKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BANK_ACCOUNT_DATA-CHKME.
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_BANK_ACCOUNT_DATA_STR, 
CHAINNO TYPE STRING,
CHAINTX TYPE STRING,
BANKS TYPE STRING,
CHAINNO TYPE STRING,
BANKL TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
ERDAT TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
BANKA TYPE STRING,
ERNAM TYPE STRING,
BANKA TYPE STRING,
PROVZ TYPE STRING,
PROVZ TYPE STRING,
STRAS TYPE STRING,
ORT01 TYPE STRING,
STRAS TYPE STRING,
ORT01 TYPE STRING,
SWIFT TYPE STRING,
BGRUP TYPE STRING,
SWIFT TYPE STRING,
BGRUP TYPE STRING,
XPGRO TYPE STRING,
LOEVM TYPE STRING,
XPGRO TYPE STRING,
BNKLZ TYPE STRING,
LOEVM TYPE STRING,
BNKLZ TYPE STRING,
PSKTO TYPE STRING,
ADRNR TYPE STRING,
PSKTO TYPE STRING,
ADRNR TYPE STRING,
BRNCH TYPE STRING,
BRNCH TYPE STRING,
CHKME TYPE STRING,
BANKN TYPE STRING,
CHKME TYPE STRING,
BANKN TYPE STRING,
BNTYP TYPE STRING,
BKONT TYPE STRING,
BNTYP TYPE STRING,
BKONT TYPE STRING,
BKREF TYPE STRING,
IBAN TYPE STRING,
BKREF TYPE STRING,
IBAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BANK_ACCOUNT_DATA_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_BANK_ACCOUNT_DATA_STR-CHAINNO sy-vline 
WA_BANK_ACCOUNT_DATA_STR-CHAINTX sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BANKS sy-vline 
WA_BANK_ACCOUNT_DATA_STR-CHAINNO sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BANKL sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BANKS sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BANKL sy-vline 
WA_BANK_ACCOUNT_DATA_STR-ERDAT sy-vline 
WA_BANK_ACCOUNT_DATA_STR-ERDAT sy-vline 
WA_BANK_ACCOUNT_DATA_STR-ERNAM sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BANKA sy-vline 
WA_BANK_ACCOUNT_DATA_STR-ERNAM sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BANKA sy-vline 
WA_BANK_ACCOUNT_DATA_STR-PROVZ sy-vline 
WA_BANK_ACCOUNT_DATA_STR-PROVZ sy-vline 
WA_BANK_ACCOUNT_DATA_STR-STRAS sy-vline 
WA_BANK_ACCOUNT_DATA_STR-ORT01 sy-vline 
WA_BANK_ACCOUNT_DATA_STR-STRAS sy-vline 
WA_BANK_ACCOUNT_DATA_STR-ORT01 sy-vline 
WA_BANK_ACCOUNT_DATA_STR-SWIFT sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BGRUP sy-vline 
WA_BANK_ACCOUNT_DATA_STR-SWIFT sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BGRUP sy-vline 
WA_BANK_ACCOUNT_DATA_STR-XPGRO sy-vline 
WA_BANK_ACCOUNT_DATA_STR-LOEVM sy-vline 
WA_BANK_ACCOUNT_DATA_STR-XPGRO sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BNKLZ sy-vline 
WA_BANK_ACCOUNT_DATA_STR-LOEVM sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BNKLZ sy-vline 
WA_BANK_ACCOUNT_DATA_STR-PSKTO sy-vline 
WA_BANK_ACCOUNT_DATA_STR-ADRNR sy-vline 
WA_BANK_ACCOUNT_DATA_STR-PSKTO sy-vline 
WA_BANK_ACCOUNT_DATA_STR-ADRNR sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BRNCH sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BRNCH sy-vline 
WA_BANK_ACCOUNT_DATA_STR-CHKME sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BANKN sy-vline 
WA_BANK_ACCOUNT_DATA_STR-CHKME sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BANKN sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BNTYP sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BKONT sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BNTYP sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BKONT sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BKREF sy-vline 
WA_BANK_ACCOUNT_DATA_STR-IBAN sy-vline 
WA_BANK_ACCOUNT_DATA_STR-BKREF sy-vline 
WA_BANK_ACCOUNT_DATA_STR-IBAN sy-vline      INTO ld_text SEPARATED BY SPACE.

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