ABAP Select data from SAP table KKB_PIVOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KKB_PIVOT
*  INTO TABLE @DATA(IT_KKB_PIVOT2).
*--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_KKB_PIVOT INDEX 1 INTO DATA(WA_KKB_PIVOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KKB_PIVOT>-CURRENCY_TYPE = 1.
<KKB_PIVOT>-BASE = 1.
<KKB_PIVOT>-VALUTYP = 1.
<KKB_PIVOT>-PERIO1 = 1.
<KKB_PIVOT>-PERIO2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KKB_PIVOT-GJAHR1, sy-vline,
  WA_KKB_PIVOT-GJAHR2, sy-vline,
  WA_KKB_PIVOT-KUMUL, sy-vline,
  WA_KKB_PIVOT-SOVER, sy-vline,
  WA_KKB_PIVOT-AVERS, sy-vline,
  WA_KKB_PIVOT-PVERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KKB_PIVOT 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_KKB_PIVOT 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_KKB_PIVOT INTO WA_KKB_PIVOT.


*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 GJAHR, internal->external for field GJAHR1
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KKB_PIVOT-GJAHR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKB_PIVOT-GJAHR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR2
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KKB_PIVOT-GJAHR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKB_PIVOT-GJAHR2.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field PVERS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KKB_PIVOT-PVERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKB_PIVOT-PVERS.
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_KKB_PIVOT_STR, 
CURRENCY_TYPE TYPE STRING,
BASE TYPE STRING,
VALUTYP TYPE STRING,
PERIO1 TYPE STRING,
PERIO2 TYPE STRING,
GJAHR1 TYPE STRING,
GJAHR2 TYPE STRING,
KUMUL TYPE STRING,
SOVER TYPE STRING,
AVERS TYPE STRING,
PVERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KKB_PIVOT_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_KKB_PIVOT_STR-CURRENCY_TYPE sy-vline 
WA_KKB_PIVOT_STR-BASE sy-vline 
WA_KKB_PIVOT_STR-VALUTYP sy-vline 
WA_KKB_PIVOT_STR-PERIO1 sy-vline 
WA_KKB_PIVOT_STR-PERIO2 sy-vline 
WA_KKB_PIVOT_STR-GJAHR1 sy-vline 
WA_KKB_PIVOT_STR-GJAHR2 sy-vline 
WA_KKB_PIVOT_STR-KUMUL sy-vline 
WA_KKB_PIVOT_STR-SOVER sy-vline 
WA_KKB_PIVOT_STR-AVERS sy-vline 
WA_KKB_PIVOT_STR-PVERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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