ABAP Select data from SAP table VVDESCROWKOKO0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VVDESCROWKOKO0 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 VVDESCROWKOKO0. 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 VVDESCROWKOKO0 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_VVDESCROWKOKO0 TYPE STANDARD TABLE OF VVDESCROWKOKO0,
      WA_VVDESCROWKOKO0 TYPE VVDESCROWKOKO0,
      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: <VVDESCROWKOKO0> TYPE VVDESCROWKOKO0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VVDESCROWKOKO0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VVDESCROWKOKO0
  INTO TABLE IT_VVDESCROWKOKO0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VVDESCROWKOKO0
*  INTO TABLE @DATA(IT_VVDESCROWKOKO02).
*--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_VVDESCROWKOKO0 INDEX 1 INTO DATA(WA_VVDESCROWKOKO02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VVDESCROWKOKO0 ASSIGNING <VVDESCROWKOKO0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VVDESCROWKOKO0>-MANDT = 1.
<VVDESCROWKOKO0>-MGUID = 1.
<VVDESCROWKOKO0>-DGUEL_KK = 1.
<VVDESCROWKOKO0>-SSTATE = 1.
<VVDESCROWKOKO0>-ACASHCUSHION = 1.

ENDLOOP.

LOOP AT IT_VVDESCROWKOKO0 INTO WA_VVDESCROWKOKO0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VVDESCROWKOKO0-SKOKOART, sy-vline,
  WA_VVDESCROWKOKO0-SANLF, sy-vline,
  WA_VVDESCROWKOKO0-RKEY1, sy-vline,
  WA_VVDESCROWKOKO0-NLFD_ANG, sy-vline,
  WA_VVDESCROWKOKO0-SSTATI, sy-vline,
  WA_VVDESCROWKOKO0-STILGRHY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VVDESCROWKOKO0 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_VVDESCROWKOKO0 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_VVDESCROWKOKO0 INTO WA_VVDESCROWKOKO0.


*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_VVDESCROWKOKO0_STR, 
MANDT TYPE STRING,
MGUID TYPE STRING,
DGUEL_KK TYPE STRING,
SSTATE TYPE STRING,
ACASHCUSHION TYPE STRING,
SKOKOART TYPE STRING,
SANLF TYPE STRING,
RKEY1 TYPE STRING,
NLFD_ANG TYPE STRING,
SSTATI TYPE STRING,
STILGRHY TYPE STRING,
STILGART TYPE STRING,
SDISEIN TYPE STRING,
KZAHLUNG TYPE STRING,
BZAHLUNG TYPE STRING,
SWHRZHLG TYPE STRING,
BZUSAGE TYPE STRING,
SWHRZUSA TYPE STRING,
PEFFZINS TYPE STRING,
SEFFMETH TYPE STRING,
SZBMETH TYPE STRING,
SDISKO TYPE STRING,
DKUEND TYPE STRING,
SKUEND TYPE STRING,
DKUENDDG TYPE STRING,
DBLFZ TYPE STRING,
DBLFZ_ORIGIN TYPE STRING,
DELFZ TYPE STRING,
DRESAM TYPE STRING,
DRESBIS TYPE STRING,
DANGAM TYPE STRING,
DANGBIS TYPE STRING,
SANGVOR TYPE STRING,
JANNAHME TYPE STRING,
SANNAHME TYPE STRING,
DANNAHME TYPE STRING,
JVERTRAG TYPE STRING,
DVERTRAM TYPE STRING,
DVERTBIS TYPE STRING,
PMANEFFZ TYPE STRING,
SEFFM2 TYPE STRING,
SKUEGL TYPE STRING,
RPNR TYPE STRING,
DEFSZ TYPE STRING,
DGES TYPE STRING,
SGESAUS TYPE STRING,
SZKZ TYPE STRING,
NANGEBOT TYPE STRING,
SINCL TYPE STRING,
ZVRHYEFF TYPE STRING,
PVGLEFFZ TYPE STRING,
SULTEFSZ TYPE STRING,
DABEFFZ TYPE STRING,
DKUENDDN TYPE STRING,
SKUEDN TYPE STRING,
SKUEART TYPE STRING,
DMARKTZINS TYPE STRING,
SKALIDWT TYPE STRING,
EDEFFZINS TYPE STRING,
EDEFFMETH TYPE STRING,
JAHREFFZINS TYPE STRING,
JAHREFFMETH TYPE STRING,
PEFFZINS_ORIGIN TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VVDESCROWKOKO0_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_VVDESCROWKOKO0_STR-MANDT sy-vline 
WA_VVDESCROWKOKO0_STR-MGUID sy-vline 
WA_VVDESCROWKOKO0_STR-DGUEL_KK sy-vline 
WA_VVDESCROWKOKO0_STR-SSTATE sy-vline 
WA_VVDESCROWKOKO0_STR-ACASHCUSHION sy-vline 
WA_VVDESCROWKOKO0_STR-SKOKOART sy-vline 
WA_VVDESCROWKOKO0_STR-SANLF sy-vline 
WA_VVDESCROWKOKO0_STR-RKEY1 sy-vline 
WA_VVDESCROWKOKO0_STR-NLFD_ANG sy-vline 
WA_VVDESCROWKOKO0_STR-SSTATI sy-vline 
WA_VVDESCROWKOKO0_STR-STILGRHY sy-vline 
WA_VVDESCROWKOKO0_STR-STILGART sy-vline 
WA_VVDESCROWKOKO0_STR-SDISEIN sy-vline 
WA_VVDESCROWKOKO0_STR-KZAHLUNG sy-vline 
WA_VVDESCROWKOKO0_STR-BZAHLUNG sy-vline 
WA_VVDESCROWKOKO0_STR-SWHRZHLG sy-vline 
WA_VVDESCROWKOKO0_STR-BZUSAGE sy-vline 
WA_VVDESCROWKOKO0_STR-SWHRZUSA sy-vline 
WA_VVDESCROWKOKO0_STR-PEFFZINS sy-vline 
WA_VVDESCROWKOKO0_STR-SEFFMETH sy-vline 
WA_VVDESCROWKOKO0_STR-SZBMETH sy-vline 
WA_VVDESCROWKOKO0_STR-SDISKO sy-vline 
WA_VVDESCROWKOKO0_STR-DKUEND sy-vline 
WA_VVDESCROWKOKO0_STR-SKUEND sy-vline 
WA_VVDESCROWKOKO0_STR-DKUENDDG sy-vline 
WA_VVDESCROWKOKO0_STR-DBLFZ sy-vline 
WA_VVDESCROWKOKO0_STR-DBLFZ_ORIGIN sy-vline 
WA_VVDESCROWKOKO0_STR-DELFZ sy-vline 
WA_VVDESCROWKOKO0_STR-DRESAM sy-vline 
WA_VVDESCROWKOKO0_STR-DRESBIS sy-vline 
WA_VVDESCROWKOKO0_STR-DANGAM sy-vline 
WA_VVDESCROWKOKO0_STR-DANGBIS sy-vline 
WA_VVDESCROWKOKO0_STR-SANGVOR sy-vline 
WA_VVDESCROWKOKO0_STR-JANNAHME sy-vline 
WA_VVDESCROWKOKO0_STR-SANNAHME sy-vline 
WA_VVDESCROWKOKO0_STR-DANNAHME sy-vline 
WA_VVDESCROWKOKO0_STR-JVERTRAG sy-vline 
WA_VVDESCROWKOKO0_STR-DVERTRAM sy-vline 
WA_VVDESCROWKOKO0_STR-DVERTBIS sy-vline 
WA_VVDESCROWKOKO0_STR-PMANEFFZ sy-vline 
WA_VVDESCROWKOKO0_STR-SEFFM2 sy-vline 
WA_VVDESCROWKOKO0_STR-SKUEGL sy-vline 
WA_VVDESCROWKOKO0_STR-RPNR sy-vline 
WA_VVDESCROWKOKO0_STR-DEFSZ sy-vline 
WA_VVDESCROWKOKO0_STR-DGES sy-vline 
WA_VVDESCROWKOKO0_STR-SGESAUS sy-vline 
WA_VVDESCROWKOKO0_STR-SZKZ sy-vline 
WA_VVDESCROWKOKO0_STR-NANGEBOT sy-vline 
WA_VVDESCROWKOKO0_STR-SINCL sy-vline 
WA_VVDESCROWKOKO0_STR-ZVRHYEFF sy-vline 
WA_VVDESCROWKOKO0_STR-PVGLEFFZ sy-vline 
WA_VVDESCROWKOKO0_STR-SULTEFSZ sy-vline 
WA_VVDESCROWKOKO0_STR-DABEFFZ sy-vline 
WA_VVDESCROWKOKO0_STR-DKUENDDN sy-vline 
WA_VVDESCROWKOKO0_STR-SKUEDN sy-vline 
WA_VVDESCROWKOKO0_STR-SKUEART sy-vline 
WA_VVDESCROWKOKO0_STR-DMARKTZINS sy-vline 
WA_VVDESCROWKOKO0_STR-SKALIDWT sy-vline 
WA_VVDESCROWKOKO0_STR-EDEFFZINS sy-vline 
WA_VVDESCROWKOKO0_STR-EDEFFMETH sy-vline 
WA_VVDESCROWKOKO0_STR-JAHREFFZINS sy-vline 
WA_VVDESCROWKOKO0_STR-JAHREFFMETH sy-vline 
WA_VVDESCROWKOKO0_STR-PEFFZINS_ORIGIN sy-vline 
WA_VVDESCROWKOKO0_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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