ABAP Select data from SAP table V_OIJPLSEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_OIJPLSEL 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_OIJPLSEL. 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_OIJPLSEL 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_OIJPLSEL TYPE STANDARD TABLE OF V_OIJPLSEL,
      WA_V_OIJPLSEL TYPE V_OIJPLSEL,
      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_OIJPLSEL> TYPE V_OIJPLSEL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_OIJPLSEL
*  INTO TABLE @DATA(IT_V_OIJPLSEL2).
*--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_OIJPLSEL INDEX 1 INTO DATA(WA_V_OIJPLSEL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_OIJPLSEL>-MANDT = 1.
<V_OIJPLSEL>-TSYST = 1.
<V_OIJPLSEL>-LOCID = 1.
<V_OIJPLSEL>-PMATNR = 1.
<V_OIJPLSEL>-LOCTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_OIJPLSEL-VKTRA, sy-vline,
  WA_V_OIJPLSEL-TSSUOMV, sy-vline,
  WA_V_OIJPLSEL-TSSUOMM, sy-vline,
  WA_V_OIJPLSEL-CYCPERD, sy-vline,
  WA_V_OIJPLSEL-CYCPUOM, sy-vline,
  WA_V_OIJPLSEL-TSWERK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_OIJPLSEL 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_OIJPLSEL 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_OIJPLSEL INTO WA_V_OIJPLSEL.


*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_OIJPLSEL-PMATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_OIJPLSEL-PMATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field RDUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_V_OIJPLSEL-RDUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_OIJPLSEL-RDUOM.
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_OIJPLSEL_STR, 
MANDT TYPE STRING,
TSYST TYPE STRING,
LOCID TYPE STRING,
PMATNR TYPE STRING,
LOCTYP TYPE STRING,
VKTRA TYPE STRING,
TSSUOMV TYPE STRING,
TSSUOMM TYPE STRING,
CYCPERD TYPE STRING,
CYCPUOM TYPE STRING,
TSWERK TYPE STRING,
TSLGORT TYPE STRING,
RDUOM TYPE STRING,
RDCONV TYPE STRING,
PERIOD TYPE STRING,
PAST TYPE STRING,
TTOLPCT TYPE STRING,
TTOLABS TYPE STRING,
TMAXLOT TYPE STRING,
TMINLOT TYPE STRING,
TINCLOT TYPE STRING,
TMAXINV TYPE STRING,
TTARGET TYPE STRING,
TREORDER TYPE STRING,
TMININV TYPE STRING,
PLANIND TYPE STRING,
REFIND TYPE STRING,
ODINDO TYPE STRING,
ODINDD TYPE STRING,
ODINDO_T TYPE STRING,
ODINDD_T TYPE STRING,
PLANLOC TYPE STRING,
RDACT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_OIJPLSEL_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_OIJPLSEL_STR-MANDT sy-vline 
WA_V_OIJPLSEL_STR-TSYST sy-vline 
WA_V_OIJPLSEL_STR-LOCID sy-vline 
WA_V_OIJPLSEL_STR-PMATNR sy-vline 
WA_V_OIJPLSEL_STR-LOCTYP sy-vline 
WA_V_OIJPLSEL_STR-VKTRA sy-vline 
WA_V_OIJPLSEL_STR-TSSUOMV sy-vline 
WA_V_OIJPLSEL_STR-TSSUOMM sy-vline 
WA_V_OIJPLSEL_STR-CYCPERD sy-vline 
WA_V_OIJPLSEL_STR-CYCPUOM sy-vline 
WA_V_OIJPLSEL_STR-TSWERK sy-vline 
WA_V_OIJPLSEL_STR-TSLGORT sy-vline 
WA_V_OIJPLSEL_STR-RDUOM sy-vline 
WA_V_OIJPLSEL_STR-RDCONV sy-vline 
WA_V_OIJPLSEL_STR-PERIOD sy-vline 
WA_V_OIJPLSEL_STR-PAST sy-vline 
WA_V_OIJPLSEL_STR-TTOLPCT sy-vline 
WA_V_OIJPLSEL_STR-TTOLABS sy-vline 
WA_V_OIJPLSEL_STR-TMAXLOT sy-vline 
WA_V_OIJPLSEL_STR-TMINLOT sy-vline 
WA_V_OIJPLSEL_STR-TINCLOT sy-vline 
WA_V_OIJPLSEL_STR-TMAXINV sy-vline 
WA_V_OIJPLSEL_STR-TTARGET sy-vline 
WA_V_OIJPLSEL_STR-TREORDER sy-vline 
WA_V_OIJPLSEL_STR-TMININV sy-vline 
WA_V_OIJPLSEL_STR-PLANIND sy-vline 
WA_V_OIJPLSEL_STR-REFIND sy-vline 
WA_V_OIJPLSEL_STR-ODINDO sy-vline 
WA_V_OIJPLSEL_STR-ODINDD sy-vline 
WA_V_OIJPLSEL_STR-ODINDO_T sy-vline 
WA_V_OIJPLSEL_STR-ODINDD_T sy-vline 
WA_V_OIJPLSEL_STR-PLANLOC sy-vline 
WA_V_OIJPLSEL_STR-RDACT sy-vline      INTO ld_text SEPARATED BY SPACE.

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