ABAP Select data from SAP table PRCVVCONDTYPE into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRCVVCONDTYPE 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 PRCVVCONDTYPE. 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 PRCVVCONDTYPE 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_PRCVVCONDTYPE TYPE STANDARD TABLE OF PRCVVCONDTYPE,
      WA_PRCVVCONDTYPE TYPE PRCVVCONDTYPE,
      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: <PRCVVCONDTYPE> TYPE PRCVVCONDTYPE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRCVVCONDTYPE
*  INTO TABLE @DATA(IT_PRCVVCONDTYPE2).
*--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_PRCVVCONDTYPE INDEX 1 INTO DATA(WA_PRCVVCONDTYPE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRCVVCONDTYPE>-MANDT = 1.
<PRCVVCONDTYPE>-KAPPL = 1.
<PRCVVCONDTYPE>-KVEWE = 1.
<PRCVVCONDTYPE>-KSCHL = 1.
<PRCVVCONDTYPE>-KOZGF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRCVVCONDTYPE-DATVO, sy-vline,
  WA_PRCVVCONDTYPE-DTVOB, sy-vline,
  WA_PRCVVCONDTYPE-DATA_ORIGIN, sy-vline,
  WA_PRCVVCONDTYPE-VTEXT, sy-vline,
  WA_PRCVVCONDTYPE-DATA_ORIGIN_T, sy-vline,
  WA_PRCVVCONDTYPE-KRECH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRCVVCONDTYPE 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_PRCVVCONDTYPE 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_PRCVVCONDTYPE INTO WA_PRCVVCONDTYPE.


*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 CUNIT, internal->external for field GRMEN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRCVVCONDTYPE-GRMEN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRCVVCONDTYPE-GRMEN.
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_PRCVVCONDTYPE_STR, 
MANDT TYPE STRING,
KAPPL TYPE STRING,
KVEWE TYPE STRING,
KSCHL TYPE STRING,
KOZGF TYPE STRING,
DATVO TYPE STRING,
DTVOB TYPE STRING,
DATA_ORIGIN TYPE STRING,
VTEXT TYPE STRING,
DATA_ORIGIN_T TYPE STRING,
KRECH TYPE STRING,
KZBZG TYPE STRING,
STFKZ TYPE STRING,
KNTYP TYPE STRING,
KGRPE TYPE STRING,
KDUPL TYPE STRING,
KRUEK TYPE STRING,
KOAID TYPE STRING,
KFKIV TYPE STRING,
KVARC TYPE STRING,
KTREL TYPE STRING,
KBFLAG TYPE STRING,
DTASRC TYPE STRING,
KRELI TYPE STRING,
KOUPD TYPE STRING,
KMANU TYPE STRING,
GANZZ TYPE STRING,
KOFRS TYPE STRING,
KOFRS_NUM TYPE STRING,
KNEGA TYPE STRING,
TXPRF TYPE STRING,
KAEND_BTR TYPE STRING,
KAEND_WRT TYPE STRING,
KAEND_UFK TYPE STRING,
KAEND_RCH TYPE STRING,
KAEND_LOE TYPE STRING,
KAEND_MEH TYPE STRING,
BERGL TYPE STRING,
RDIFA TYPE STRING,
KMENG TYPE STRING,
KKOPF TYPE STRING,
KPOSI TYPE STRING,
PURP TYPE STRING,
GRLNR TYPE STRING,
GRLNR_NUM TYPE STRING,
GRMEN TYPE STRING,
KSTPR TYPE STRING,
IDXUP TYPE STRING,
KPRDT TYPE STRING,
PRECH TYPE STRING,
KFRST TYPE STRING,
KDELE TYPE STRING,
RKSCHL TYPE STRING,
DATA_ORIGIN_3 TYPE STRING,
RKSCHL2 TYPE STRING,
RELEASE_STATUS TYPE STRING,
FIELD_TIMESTAMP TYPE STRING,
MAX_SCALE_DIM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRCVVCONDTYPE_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_PRCVVCONDTYPE_STR-MANDT sy-vline 
WA_PRCVVCONDTYPE_STR-KAPPL sy-vline 
WA_PRCVVCONDTYPE_STR-KVEWE sy-vline 
WA_PRCVVCONDTYPE_STR-KSCHL sy-vline 
WA_PRCVVCONDTYPE_STR-KOZGF sy-vline 
WA_PRCVVCONDTYPE_STR-DATVO sy-vline 
WA_PRCVVCONDTYPE_STR-DTVOB sy-vline 
WA_PRCVVCONDTYPE_STR-DATA_ORIGIN sy-vline 
WA_PRCVVCONDTYPE_STR-VTEXT sy-vline 
WA_PRCVVCONDTYPE_STR-DATA_ORIGIN_T sy-vline 
WA_PRCVVCONDTYPE_STR-KRECH sy-vline 
WA_PRCVVCONDTYPE_STR-KZBZG sy-vline 
WA_PRCVVCONDTYPE_STR-STFKZ sy-vline 
WA_PRCVVCONDTYPE_STR-KNTYP sy-vline 
WA_PRCVVCONDTYPE_STR-KGRPE sy-vline 
WA_PRCVVCONDTYPE_STR-KDUPL sy-vline 
WA_PRCVVCONDTYPE_STR-KRUEK sy-vline 
WA_PRCVVCONDTYPE_STR-KOAID sy-vline 
WA_PRCVVCONDTYPE_STR-KFKIV sy-vline 
WA_PRCVVCONDTYPE_STR-KVARC sy-vline 
WA_PRCVVCONDTYPE_STR-KTREL sy-vline 
WA_PRCVVCONDTYPE_STR-KBFLAG sy-vline 
WA_PRCVVCONDTYPE_STR-DTASRC sy-vline 
WA_PRCVVCONDTYPE_STR-KRELI sy-vline 
WA_PRCVVCONDTYPE_STR-KOUPD sy-vline 
WA_PRCVVCONDTYPE_STR-KMANU sy-vline 
WA_PRCVVCONDTYPE_STR-GANZZ sy-vline 
WA_PRCVVCONDTYPE_STR-KOFRS sy-vline 
WA_PRCVVCONDTYPE_STR-KOFRS_NUM sy-vline 
WA_PRCVVCONDTYPE_STR-KNEGA sy-vline 
WA_PRCVVCONDTYPE_STR-TXPRF sy-vline 
WA_PRCVVCONDTYPE_STR-KAEND_BTR sy-vline 
WA_PRCVVCONDTYPE_STR-KAEND_WRT sy-vline 
WA_PRCVVCONDTYPE_STR-KAEND_UFK sy-vline 
WA_PRCVVCONDTYPE_STR-KAEND_RCH sy-vline 
WA_PRCVVCONDTYPE_STR-KAEND_LOE sy-vline 
WA_PRCVVCONDTYPE_STR-KAEND_MEH sy-vline 
WA_PRCVVCONDTYPE_STR-BERGL sy-vline 
WA_PRCVVCONDTYPE_STR-RDIFA sy-vline 
WA_PRCVVCONDTYPE_STR-KMENG sy-vline 
WA_PRCVVCONDTYPE_STR-KKOPF sy-vline 
WA_PRCVVCONDTYPE_STR-KPOSI sy-vline 
WA_PRCVVCONDTYPE_STR-PURP sy-vline 
WA_PRCVVCONDTYPE_STR-GRLNR sy-vline 
WA_PRCVVCONDTYPE_STR-GRLNR_NUM sy-vline 
WA_PRCVVCONDTYPE_STR-GRMEN sy-vline 
WA_PRCVVCONDTYPE_STR-KSTPR sy-vline 
WA_PRCVVCONDTYPE_STR-IDXUP sy-vline 
WA_PRCVVCONDTYPE_STR-KPRDT sy-vline 
WA_PRCVVCONDTYPE_STR-PRECH sy-vline 
WA_PRCVVCONDTYPE_STR-KFRST sy-vline 
WA_PRCVVCONDTYPE_STR-KDELE sy-vline 
WA_PRCVVCONDTYPE_STR-RKSCHL sy-vline 
WA_PRCVVCONDTYPE_STR-DATA_ORIGIN_3 sy-vline 
WA_PRCVVCONDTYPE_STR-RKSCHL2 sy-vline 
WA_PRCVVCONDTYPE_STR-RELEASE_STATUS sy-vline 
WA_PRCVVCONDTYPE_STR-FIELD_TIMESTAMP sy-vline 
WA_PRCVVCONDTYPE_STR-MAX_SCALE_DIM sy-vline      INTO ld_text SEPARATED BY SPACE.

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