ABAP Select data from SAP table BKK_STR_BKST_HEAD 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_BKST_HEAD 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_BKST_HEAD. 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_BKST_HEAD 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_BKST_HEAD TYPE STANDARD TABLE OF BKK_STR_BKST_HEAD,
      WA_BKK_STR_BKST_HEAD TYPE BKK_STR_BKST_HEAD,
      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_BKST_HEAD> TYPE BKK_STR_BKST_HEAD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BKK_STR_BKST_HEAD
*  INTO TABLE @DATA(IT_BKK_STR_BKST_HEAD2).
*--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_BKST_HEAD INDEX 1 INTO DATA(WA_BKK_STR_BKST_HEAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BKK_STR_BKST_HEAD>-WA_BKST_HEAD = 1.
<BKK_STR_BKST_HEAD>-BKSTATYEAR = 1.
<BKK_STR_BKST_HEAD>-BKSTATNO = 1.
<BKK_STR_BKST_HEAD>-BKSTATLDAT = 1.
<BKK_STR_BKST_HEAD>-BKSTATLTIM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BKK_STR_BKST_HEAD-BKSTATDATE, sy-vline,
  WA_BKK_STR_BKST_HEAD-BKSTATTIME, sy-vline,
  WA_BKK_STR_BKST_HEAD-SDATEPOSTL, sy-vline,
  WA_BKK_STR_BKST_HEAD-SDATEPOSTH, sy-vline,
  WA_BKK_STR_BKST_HEAD-REFNUMBER, sy-vline,
  WA_BKK_STR_BKST_HEAD-BANKA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BKK_STR_BKST_HEAD 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_BKST_HEAD 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_BKST_HEAD INTO WA_BKK_STR_BKST_HEAD.


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

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

*Conversion exit ALPHA, internal->external for field ACCTHOLDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKK_STR_BKST_HEAD-ACCTHOLDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKK_STR_BKST_HEAD-ACCTHOLDER.
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_BKST_HEAD_STR, 
WA_BKST_HEAD TYPE STRING,
BKSTATYEAR TYPE STRING,
BKSTATNO TYPE STRING,
BKSTATLDAT TYPE STRING,
BKSTATLTIM TYPE STRING,
BKSTATDATE TYPE STRING,
BKSTATTIME TYPE STRING,
SDATEPOSTL TYPE STRING,
SDATEPOSTH TYPE STRING,
REFNUMBER TYPE STRING,
BANKA TYPE STRING,
PROVZ TYPE STRING,
STRAS TYPE STRING,
ORT01 TYPE STRING,
BRNCH TYPE STRING,
BANKCODE TYPE STRING,
BANKCTRY TYPE STRING,
SWIFT TYPE STRING,
BNKLZ TYPE STRING,
BKKRS TYPE STRING,
ACCOUNT TYPE STRING,
ACNUM_INT TYPE STRING,
ACCTHOLDER TYPE STRING,
ACTEXT TYPE STRING,
EXDISPOLIM TYPE STRING,
OPENDATE TYPE STRING,
DELDATE TYPE STRING,
DISPTYPE TYPE STRING,
PLANNED_CLS_DATE TYPE STRING,
CHCURDATE TYPE STRING,
ORCHDATE TYPE STRING,
ACCUR_OLD TYPE STRING,
ACCUR_NEW TYPE STRING,
POSTDATE TYPE STRING,
XSIMULBKST TYPE STRING,
XDUPLICATE_RUN TYPE STRING,
XACCNT_CLS TYPE STRING,
SBALANCE TYPE STRING,
CUR_SBAL TYPE STRING,
EBALANCE TYPE STRING,
CURRENCY TYPE STRING,
XACCNTCLOS TYPE STRING,
PAY_NT_TYPE TYPE STRING,
BKSTSTATUS TYPE STRING,
BCAUS_STAT_APY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BKK_STR_BKST_HEAD_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_BKST_HEAD_STR-WA_BKST_HEAD sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BKSTATYEAR sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BKSTATNO sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BKSTATLDAT sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BKSTATLTIM sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BKSTATDATE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BKSTATTIME sy-vline 
WA_BKK_STR_BKST_HEAD_STR-SDATEPOSTL sy-vline 
WA_BKK_STR_BKST_HEAD_STR-SDATEPOSTH sy-vline 
WA_BKK_STR_BKST_HEAD_STR-REFNUMBER sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BANKA sy-vline 
WA_BKK_STR_BKST_HEAD_STR-PROVZ sy-vline 
WA_BKK_STR_BKST_HEAD_STR-STRAS sy-vline 
WA_BKK_STR_BKST_HEAD_STR-ORT01 sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BRNCH sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BANKCODE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BANKCTRY sy-vline 
WA_BKK_STR_BKST_HEAD_STR-SWIFT sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BNKLZ sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BKKRS sy-vline 
WA_BKK_STR_BKST_HEAD_STR-ACCOUNT sy-vline 
WA_BKK_STR_BKST_HEAD_STR-ACNUM_INT sy-vline 
WA_BKK_STR_BKST_HEAD_STR-ACCTHOLDER sy-vline 
WA_BKK_STR_BKST_HEAD_STR-ACTEXT sy-vline 
WA_BKK_STR_BKST_HEAD_STR-EXDISPOLIM sy-vline 
WA_BKK_STR_BKST_HEAD_STR-OPENDATE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-DELDATE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-DISPTYPE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-PLANNED_CLS_DATE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-CHCURDATE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-ORCHDATE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-ACCUR_OLD sy-vline 
WA_BKK_STR_BKST_HEAD_STR-ACCUR_NEW sy-vline 
WA_BKK_STR_BKST_HEAD_STR-POSTDATE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-XSIMULBKST sy-vline 
WA_BKK_STR_BKST_HEAD_STR-XDUPLICATE_RUN sy-vline 
WA_BKK_STR_BKST_HEAD_STR-XACCNT_CLS sy-vline 
WA_BKK_STR_BKST_HEAD_STR-SBALANCE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-CUR_SBAL sy-vline 
WA_BKK_STR_BKST_HEAD_STR-EBALANCE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-CURRENCY sy-vline 
WA_BKK_STR_BKST_HEAD_STR-XACCNTCLOS sy-vline 
WA_BKK_STR_BKST_HEAD_STR-PAY_NT_TYPE sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BKSTSTATUS sy-vline 
WA_BKK_STR_BKST_HEAD_STR-BCAUS_STAT_APY sy-vline      INTO ld_text SEPARATED BY SPACE.

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