ABAP Select data from SAP table V_JITPKHD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_JITPKHD
*  INTO TABLE @DATA(IT_V_JITPKHD2).
*--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_V_JITPKHD INDEX 1 INTO DATA(WA_V_JITPKHD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_JITPKHD>-MANDT = 1.
<V_JITPKHD>-PKNUM = 1.
<V_JITPKHD>-MATNR = 1.
<V_JITPKHD>-WERKS = 1.
<V_JITPKHD>-PRVBE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_JITPKHD-LIFNR, sy-vline,
  WA_V_JITPKHD-EKORG, sy-vline,
  WA_V_JITPKHD-EBELN, sy-vline,
  WA_V_JITPKHD-EBELP, sy-vline,
  WA_V_JITPKHD-PKUMW, sy-vline,
  WA_V_JITPKHD-UMLGO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_JITPKHD 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_V_JITPKHD 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_V_JITPKHD INTO WA_V_JITPKHD.


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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_V_JITPKHD-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_JITPKHD-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_V_JITPKHD-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_JITPKHD-MEINS.
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_V_JITPKHD_STR, 
MANDT TYPE STRING,
PKNUM TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
PRVBE TYPE STRING,
LIFNR TYPE STRING,
EKORG TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
PKUMW TYPE STRING,
UMLGO TYPE STRING,
PABPRF TYPE STRING,
PACKV TYPE STRING,
ANZLT TYPE STRING,
RKSTA TYPE STRING,
ABLAD TYPE STRING,
MEINS TYPE STRING,
SUMRST3 TYPE STRING,
SUMRST2 TYPE STRING,
SEQRST2 TYPE STRING,
JITSCPRF TYPE STRING,
JITOTOL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_JITPKHD_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_V_JITPKHD_STR-MANDT sy-vline 
WA_V_JITPKHD_STR-PKNUM sy-vline 
WA_V_JITPKHD_STR-MATNR sy-vline 
WA_V_JITPKHD_STR-WERKS sy-vline 
WA_V_JITPKHD_STR-PRVBE sy-vline 
WA_V_JITPKHD_STR-LIFNR sy-vline 
WA_V_JITPKHD_STR-EKORG sy-vline 
WA_V_JITPKHD_STR-EBELN sy-vline 
WA_V_JITPKHD_STR-EBELP sy-vline 
WA_V_JITPKHD_STR-PKUMW sy-vline 
WA_V_JITPKHD_STR-UMLGO sy-vline 
WA_V_JITPKHD_STR-PABPRF sy-vline 
WA_V_JITPKHD_STR-PACKV sy-vline 
WA_V_JITPKHD_STR-ANZLT sy-vline 
WA_V_JITPKHD_STR-RKSTA sy-vline 
WA_V_JITPKHD_STR-ABLAD sy-vline 
WA_V_JITPKHD_STR-MEINS sy-vline 
WA_V_JITPKHD_STR-SUMRST3 sy-vline 
WA_V_JITPKHD_STR-SUMRST2 sy-vline 
WA_V_JITPKHD_STR-SEQRST2 sy-vline 
WA_V_JITPKHD_STR-JITSCPRF sy-vline 
WA_V_JITPKHD_STR-JITOTOL sy-vline      INTO ld_text SEPARATED BY SPACE.

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