ABAP Select data from SAP table BUKF_S_PARAME into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUKF_S_PARAME
*  INTO TABLE @DATA(IT_BUKF_S_PARAME2).
*--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_BUKF_S_PARAME INDEX 1 INTO DATA(WA_BUKF_S_PARAME2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUKF_S_PARAME>-KF_EVAL = 1.
<BUKF_S_PARAME>-REF_KF = 1.
<BUKF_S_PARAME>-DIM_AGGR = 1.
<BUKF_S_PARAME>-FUND = 1.
<BUKF_S_PARAME>-BUDGET_PD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUKF_S_PARAME-FUNDSCTR, sy-vline,
  WA_BUKF_S_PARAME-CMMTITEM, sy-vline,
  WA_BUKF_S_PARAME-FUNCAREA, sy-vline,
  WA_BUKF_S_PARAME-GRANT_NBR, sy-vline,
  WA_BUKF_S_PARAME-MEASURE, sy-vline,
  WA_BUKF_S_PARAME-USERDIM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUKF_S_PARAME 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_BUKF_S_PARAME 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_BUKF_S_PARAME INTO WA_BUKF_S_PARAME.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BUKF_S_PARAME_STR, 
KF_EVAL TYPE STRING,
REF_KF TYPE STRING,
DIM_AGGR TYPE STRING,
FUND TYPE STRING,
BUDGET_PD TYPE STRING,
FUNDSCTR TYPE STRING,
CMMTITEM TYPE STRING,
FUNCAREA TYPE STRING,
GRANT_NBR TYPE STRING,
MEASURE TYPE STRING,
USERDIM TYPE STRING,
CMMTITEM_CAT TYPE STRING,
INPUT_USE TYPE STRING,
DB_USE TYPE STRING,
NO_EVALUATION TYPE STRING,
FROM_DB TYPE STRING,
FROM_INPUT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUKF_S_PARAME_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_BUKF_S_PARAME_STR-KF_EVAL sy-vline 
WA_BUKF_S_PARAME_STR-REF_KF sy-vline 
WA_BUKF_S_PARAME_STR-DIM_AGGR sy-vline 
WA_BUKF_S_PARAME_STR-FUND sy-vline 
WA_BUKF_S_PARAME_STR-BUDGET_PD sy-vline 
WA_BUKF_S_PARAME_STR-FUNDSCTR sy-vline 
WA_BUKF_S_PARAME_STR-CMMTITEM sy-vline 
WA_BUKF_S_PARAME_STR-FUNCAREA sy-vline 
WA_BUKF_S_PARAME_STR-GRANT_NBR sy-vline 
WA_BUKF_S_PARAME_STR-MEASURE sy-vline 
WA_BUKF_S_PARAME_STR-USERDIM sy-vline 
WA_BUKF_S_PARAME_STR-CMMTITEM_CAT sy-vline 
WA_BUKF_S_PARAME_STR-INPUT_USE sy-vline 
WA_BUKF_S_PARAME_STR-DB_USE sy-vline 
WA_BUKF_S_PARAME_STR-NO_EVALUATION sy-vline 
WA_BUKF_S_PARAME_STR-FROM_DB sy-vline 
WA_BUKF_S_PARAME_STR-FROM_INPUT sy-vline      INTO ld_text SEPARATED BY SPACE.

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