ABAP Select data from SAP table BKK_STR_BAL_RUN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BKK_STR_BAL_RUN
*  INTO TABLE @DATA(IT_BKK_STR_BAL_RUN2).
*--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_BKK_STR_BAL_RUN INDEX 1 INTO DATA(WA_BKK_STR_BAL_RUN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BKK_STR_BAL_RUN>-WA_BAL_RUN = 1.
<BKK_STR_BAL_RUN>-CLOSYEAR = 1.
<BKK_STR_BAL_RUN>-CLOSNO = 1.
<BKK_STR_BAL_RUN>-CLOSNOADD = 1.
<BKK_STR_BAL_RUN>-START_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BKK_STR_BAL_RUN-END_DATE, sy-vline,
  WA_BKK_STR_BAL_RUN-BALANCE, sy-vline,
  WA_BKK_STR_BAL_RUN-CURR, sy-vline,
  WA_BKK_STR_BAL_RUN-XCLOSTOREF, sy-vline,
  WA_BKK_STR_BAL_RUN-REFBKKRS, sy-vline,
  WA_BKK_STR_BAL_RUN-REFIACCNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BKK_STR_BAL_RUN 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_BKK_STR_BAL_RUN 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_BKK_STR_BAL_RUN INTO WA_BKK_STR_BAL_RUN.


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

*Conversion exit ACEXT, internal->external for field REFACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ACEXT_OUTPUT'
  EXPORTING
    input =                      WA_BKK_STR_BAL_RUN-REFACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKK_STR_BAL_RUN-REFACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFIBAN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKK_STR_BAL_RUN-REFIBAN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKK_STR_BAL_RUN-REFIBAN.
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_BKK_STR_BAL_RUN_STR, 
WA_BAL_RUN TYPE STRING,
CLOSYEAR TYPE STRING,
CLOSNO TYPE STRING,
CLOSNOADD TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
BALANCE TYPE STRING,
CURR TYPE STRING,
XCLOSTOREF TYPE STRING,
REFBKKRS TYPE STRING,
REFIACCNO TYPE STRING,
REFBANKCTR TYPE STRING,
REFBANKKEY TYPE STRING,
REFACCOUNT TYPE STRING,
REFIBAN TYPE STRING,
XNOPOST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BKK_STR_BAL_RUN_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_BKK_STR_BAL_RUN_STR-WA_BAL_RUN sy-vline 
WA_BKK_STR_BAL_RUN_STR-CLOSYEAR sy-vline 
WA_BKK_STR_BAL_RUN_STR-CLOSNO sy-vline 
WA_BKK_STR_BAL_RUN_STR-CLOSNOADD sy-vline 
WA_BKK_STR_BAL_RUN_STR-START_DATE sy-vline 
WA_BKK_STR_BAL_RUN_STR-END_DATE sy-vline 
WA_BKK_STR_BAL_RUN_STR-BALANCE sy-vline 
WA_BKK_STR_BAL_RUN_STR-CURR sy-vline 
WA_BKK_STR_BAL_RUN_STR-XCLOSTOREF sy-vline 
WA_BKK_STR_BAL_RUN_STR-REFBKKRS sy-vline 
WA_BKK_STR_BAL_RUN_STR-REFIACCNO sy-vline 
WA_BKK_STR_BAL_RUN_STR-REFBANKCTR sy-vline 
WA_BKK_STR_BAL_RUN_STR-REFBANKKEY sy-vline 
WA_BKK_STR_BAL_RUN_STR-REFACCOUNT sy-vline 
WA_BKK_STR_BAL_RUN_STR-REFIBAN sy-vline 
WA_BKK_STR_BAL_RUN_STR-XNOPOST sy-vline      INTO ld_text SEPARATED BY SPACE.

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