ABAP Select data from SAP table SI_FKKVKPR_DI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SI_FKKVKPR_DI
*  INTO TABLE @DATA(IT_SI_FKKVKPR_DI2).
*--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_SI_FKKVKPR_DI INDEX 1 INTO DATA(WA_SI_FKKVKPR_DI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SI_FKKVKPR_DI>-ASMETH = 1.
<SI_FKKVKPR_DI>-ABSANFAB = 1.
<SI_FKKVKPR_DI>-ABSANFBZ = 1.
<SI_FKKVKPR_DI>-DAUBUCH = 1.
<SI_FKKVKPR_DI>-KEINZAHL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SI_FKKVKPR_DI-VERGUETG, sy-vline,
  WA_SI_FKKVKPR_DI-EINZUGSZ, sy-vline,
  WA_SI_FKKVKPR_DI-RUECKLZ, sy-vline,
  WA_SI_FKKVKPR_DI-TWAERS, sy-vline,
  WA_SI_FKKVKPR_DI-KTOKL, sy-vline,
  WA_SI_FKKVKPR_DI-MAHNUNG_Z, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SI_FKKVKPR_DI 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_SI_FKKVKPR_DI 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_SI_FKKVKPR_DI INTO WA_SI_FKKVKPR_DI.


*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_SI_FKKVKPR_DI_STR, 
ASMETH TYPE STRING,
ABSANFAB TYPE STRING,
ABSANFBZ TYPE STRING,
DAUBUCH TYPE STRING,
KEINZAHL TYPE STRING,
VERGUETG TYPE STRING,
EINZUGSZ TYPE STRING,
RUECKLZ TYPE STRING,
TWAERS TYPE STRING,
KTOKL TYPE STRING,
MAHNUNG_Z TYPE STRING,
RECHNUNG_Z TYPE STRING,
FORMKEY TYPE STRING,
LANGU TYPE STRING,
AUSGRUP_IN TYPE STRING,
OUTCOUNT TYPE STRING,
MANOUTS_IN TYPE STRING,
INT_INVOICE TYPE STRING,
DATE_FROM_ACC TYPE STRING,
SENDCONTROL_MA TYPE STRING,
SENDCONTROL_RH TYPE STRING,
SENDCONTROL_GP TYPE STRING,
REGIOGR_CA_T TYPE STRING,
REGIOGR_CA_B TYPE STRING,
KZABSVER TYPE STRING,
JVLTE TYPE STRING,
CONSOLIDATOR_ID TYPE STRING,
MAHNVUMZ TYPE STRING,
ISU2CI_CATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SI_FKKVKPR_DI_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_SI_FKKVKPR_DI_STR-ASMETH sy-vline 
WA_SI_FKKVKPR_DI_STR-ABSANFAB sy-vline 
WA_SI_FKKVKPR_DI_STR-ABSANFBZ sy-vline 
WA_SI_FKKVKPR_DI_STR-DAUBUCH sy-vline 
WA_SI_FKKVKPR_DI_STR-KEINZAHL sy-vline 
WA_SI_FKKVKPR_DI_STR-VERGUETG sy-vline 
WA_SI_FKKVKPR_DI_STR-EINZUGSZ sy-vline 
WA_SI_FKKVKPR_DI_STR-RUECKLZ sy-vline 
WA_SI_FKKVKPR_DI_STR-TWAERS sy-vline 
WA_SI_FKKVKPR_DI_STR-KTOKL sy-vline 
WA_SI_FKKVKPR_DI_STR-MAHNUNG_Z sy-vline 
WA_SI_FKKVKPR_DI_STR-RECHNUNG_Z sy-vline 
WA_SI_FKKVKPR_DI_STR-FORMKEY sy-vline 
WA_SI_FKKVKPR_DI_STR-LANGU sy-vline 
WA_SI_FKKVKPR_DI_STR-AUSGRUP_IN sy-vline 
WA_SI_FKKVKPR_DI_STR-OUTCOUNT sy-vline 
WA_SI_FKKVKPR_DI_STR-MANOUTS_IN sy-vline 
WA_SI_FKKVKPR_DI_STR-INT_INVOICE sy-vline 
WA_SI_FKKVKPR_DI_STR-DATE_FROM_ACC sy-vline 
WA_SI_FKKVKPR_DI_STR-SENDCONTROL_MA sy-vline 
WA_SI_FKKVKPR_DI_STR-SENDCONTROL_RH sy-vline 
WA_SI_FKKVKPR_DI_STR-SENDCONTROL_GP sy-vline 
WA_SI_FKKVKPR_DI_STR-REGIOGR_CA_T sy-vline 
WA_SI_FKKVKPR_DI_STR-REGIOGR_CA_B sy-vline 
WA_SI_FKKVKPR_DI_STR-KZABSVER sy-vline 
WA_SI_FKKVKPR_DI_STR-JVLTE sy-vline 
WA_SI_FKKVKPR_DI_STR-CONSOLIDATOR_ID sy-vline 
WA_SI_FKKVKPR_DI_STR-MAHNVUMZ sy-vline 
WA_SI_FKKVKPR_DI_STR-ISU2CI_CATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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