ABAP Select data from SAP table V_OIJRDSEL3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_OIJRDSEL3 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_OIJRDSEL3. 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_OIJRDSEL3 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_OIJRDSEL3 TYPE STANDARD TABLE OF V_OIJRDSEL3,
      WA_V_OIJRDSEL3 TYPE V_OIJRDSEL3,
      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_OIJRDSEL3> TYPE V_OIJRDSEL3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_OIJRDSEL3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_OIJRDSEL3
  INTO TABLE IT_V_OIJRDSEL3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_OIJRDSEL3
*  INTO TABLE @DATA(IT_V_OIJRDSEL32).
*--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_OIJRDSEL3 INDEX 1 INTO DATA(WA_V_OIJRDSEL32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_OIJRDSEL3 ASSIGNING <V_OIJRDSEL3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_OIJRDSEL3>-MANDT = 1.
<V_OIJRDSEL3>-LOCID = 1.
<V_OIJRDSEL3>-ODINDO = 1.
<V_OIJRDSEL3>-ODINDD = 1.
<V_OIJRDSEL3>-PMATNR = 1.

ENDLOOP.

LOOP AT IT_V_OIJRDSEL3 INTO WA_V_OIJRDSEL3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_OIJRDSEL3-PWERK, sy-vline,
  WA_V_OIJRDSEL3-CHARG, sy-vline,
  WA_V_OIJRDSEL3-RDUOM, sy-vline,
  WA_V_OIJRDSEL3-RDCONV, sy-vline,
  WA_V_OIJRDSEL3-PERIOD, sy-vline,
  WA_V_OIJRDSEL3-PAST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_OIJRDSEL3 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_OIJRDSEL3 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_OIJRDSEL3 INTO WA_V_OIJRDSEL3.


*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 MATN1, internal->external for field PMATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_V_OIJRDSEL3-PMATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_OIJRDSEL3-PMATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RDUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_V_OIJRDSEL3-RDUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_OIJRDSEL3-RDUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field OFFUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_V_OIJRDSEL3-OFFUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_OIJRDSEL3-OFFUOM.
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_OIJRDSEL3_STR, 
MANDT TYPE STRING,
LOCID TYPE STRING,
ODINDO TYPE STRING,
ODINDD TYPE STRING,
PMATNR TYPE STRING,
PWERK TYPE STRING,
CHARG TYPE STRING,
RDUOM TYPE STRING,
RDCONV TYPE STRING,
PERIOD TYPE STRING,
PAST TYPE STRING,
TOLPCT TYPE STRING,
TOLABS TYPE STRING,
PHY_INV_FLG TYPE STRING,
PHY_INV TYPE STRING,
PHY_DATE TYPE STRING,
FCPAST TYPE STRING,
FCOFFSET TYPE STRING,
FCTYPE TYPE STRING,
PHYTMS TYPE STRING,
SRCTYPE TYPE STRING,
FCHORIZ TYPE STRING,
RVP TYPE STRING,
PLTYP TYPE STRING,
CALFLG TYPE STRING,
PLCAL TYPE STRING,
MAXLOT TYPE STRING,
MINLOT TYPE STRING,
INCLOT TYPE STRING,
MAXINV TYPE STRING,
TARGET TYPE STRING,
REORDER TYPE STRING,
SAFETY TYPE STRING,
UNPUMP TYPE STRING,
MININV TYPE STRING,
STSYST TYPE STRING,
OFFPER TYPE STRING,
OFFUOM TYPE STRING,
FCCAL TYPE STRING,
FCPRF TYPE STRING,
TANKUPD TYPE STRING,
SFTLVL TYPE STRING,
HRLVL TYPE STRING,
PPTYP TYPE STRING,
BALANCE TYPE STRING,
RDACT TYPE STRING,
TSYST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_OIJRDSEL3_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_OIJRDSEL3_STR-MANDT sy-vline 
WA_V_OIJRDSEL3_STR-LOCID sy-vline 
WA_V_OIJRDSEL3_STR-ODINDO sy-vline 
WA_V_OIJRDSEL3_STR-ODINDD sy-vline 
WA_V_OIJRDSEL3_STR-PMATNR sy-vline 
WA_V_OIJRDSEL3_STR-PWERK sy-vline 
WA_V_OIJRDSEL3_STR-CHARG sy-vline 
WA_V_OIJRDSEL3_STR-RDUOM sy-vline 
WA_V_OIJRDSEL3_STR-RDCONV sy-vline 
WA_V_OIJRDSEL3_STR-PERIOD sy-vline 
WA_V_OIJRDSEL3_STR-PAST sy-vline 
WA_V_OIJRDSEL3_STR-TOLPCT sy-vline 
WA_V_OIJRDSEL3_STR-TOLABS sy-vline 
WA_V_OIJRDSEL3_STR-PHY_INV_FLG sy-vline 
WA_V_OIJRDSEL3_STR-PHY_INV sy-vline 
WA_V_OIJRDSEL3_STR-PHY_DATE sy-vline 
WA_V_OIJRDSEL3_STR-FCPAST sy-vline 
WA_V_OIJRDSEL3_STR-FCOFFSET sy-vline 
WA_V_OIJRDSEL3_STR-FCTYPE sy-vline 
WA_V_OIJRDSEL3_STR-PHYTMS sy-vline 
WA_V_OIJRDSEL3_STR-SRCTYPE sy-vline 
WA_V_OIJRDSEL3_STR-FCHORIZ sy-vline 
WA_V_OIJRDSEL3_STR-RVP sy-vline 
WA_V_OIJRDSEL3_STR-PLTYP sy-vline 
WA_V_OIJRDSEL3_STR-CALFLG sy-vline 
WA_V_OIJRDSEL3_STR-PLCAL sy-vline 
WA_V_OIJRDSEL3_STR-MAXLOT sy-vline 
WA_V_OIJRDSEL3_STR-MINLOT sy-vline 
WA_V_OIJRDSEL3_STR-INCLOT sy-vline 
WA_V_OIJRDSEL3_STR-MAXINV sy-vline 
WA_V_OIJRDSEL3_STR-TARGET sy-vline 
WA_V_OIJRDSEL3_STR-REORDER sy-vline 
WA_V_OIJRDSEL3_STR-SAFETY sy-vline 
WA_V_OIJRDSEL3_STR-UNPUMP sy-vline 
WA_V_OIJRDSEL3_STR-MININV sy-vline 
WA_V_OIJRDSEL3_STR-STSYST sy-vline 
WA_V_OIJRDSEL3_STR-OFFPER sy-vline 
WA_V_OIJRDSEL3_STR-OFFUOM sy-vline 
WA_V_OIJRDSEL3_STR-FCCAL sy-vline 
WA_V_OIJRDSEL3_STR-FCPRF sy-vline 
WA_V_OIJRDSEL3_STR-TANKUPD sy-vline 
WA_V_OIJRDSEL3_STR-SFTLVL sy-vline 
WA_V_OIJRDSEL3_STR-HRLVL sy-vline 
WA_V_OIJRDSEL3_STR-PPTYP sy-vline 
WA_V_OIJRDSEL3_STR-BALANCE sy-vline 
WA_V_OIJRDSEL3_STR-RDACT sy-vline 
WA_V_OIJRDSEL3_STR-TSYST sy-vline      INTO ld_text SEPARATED BY SPACE.

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