ABAP Select data from SAP table RPSCO_VD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPSCO_VD
*  INTO TABLE @DATA(IT_RPSCO_VD2).
*--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_RPSCO_VD INDEX 1 INTO DATA(WA_RPSCO_VD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPSCO_VD>-KOKRS = 1.
<RPSCO_VD>-BUKRS = 1.
<RPSCO_VD>-FIKRS = 1.
<RPSCO_VD>-OWAERS = 1.
<RPSCO_VD>-TWAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPSCO_VD-OBJNR, sy-vline,
  WA_RPSCO_VD-GJAHR, sy-vline,
  WA_RPSCO_VD-PERDE, sy-vline,
  WA_RPSCO_VD-PERIO, sy-vline,
  WA_RPSCO_VD-ACPOS, sy-vline,
  WA_RPSCO_VD-VORGA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPSCO_VD 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_RPSCO_VD 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_RPSCO_VD INTO WA_RPSCO_VD.


*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 OBJEX, internal->external for field OBJNR
CALL FUNCTION 'CONVERSION_EXIT_OBJEX_OUTPUT'
  EXPORTING
    input =                      WA_RPSCO_VD-OBJNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPSCO_VD-OBJNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RPSCO_VD-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPSCO_VD-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field PERIO
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_RPSCO_VD-PERIO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPSCO_VD-PERIO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABKAT, internal->external for field ABKAT
CALL FUNCTION 'CONVERSION_EXIT_ABKAT_OUTPUT'
  EXPORTING
    input =                      WA_RPSCO_VD-ABKAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPSCO_VD-ABKAT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit KONPD, internal->external for field PROJ_INT
CALL FUNCTION 'CONVERSION_EXIT_KONPD_OUTPUT'
  EXPORTING
    input =                      WA_RPSCO_VD-PROJ_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPSCO_VD-PROJ_INT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PRPS_INT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_RPSCO_VD-PRPS_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPSCO_VD-PRPS_INT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RPSCO_VD-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPSCO_VD-MEINH.
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_RPSCO_VD_STR, 
KOKRS TYPE STRING,
BUKRS TYPE STRING,
FIKRS TYPE STRING,
OWAERS TYPE STRING,
TWAERS TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
PERDE TYPE STRING,
PERIO TYPE STRING,
ACPOS TYPE STRING,
VORGA TYPE STRING,
VERSN TYPE STRING,
VSNMR TYPE STRING,
VSZHL TYPE STRING,
ABKAT TYPE STRING,
VERSA TYPE STRING,
VERSN_EV TYPE STRING,
VERSN_CTC TYPE STRING,
GEBER TYPE STRING,
WRTTP TYPE STRING,
TRGKZ TYPE STRING,
BELTP TYPE STRING,
VALUTYP TYPE STRING,
PROJ_INT TYPE STRING,
PRPS_INT TYPE STRING,
PRCTR TYPE STRING,
OBART TYPE STRING,
MEINH TYPE STRING,
ID_CORR TYPE STRING,
WLP02 TYPE STRING,
WLP03 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPSCO_VD_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_RPSCO_VD_STR-KOKRS sy-vline 
WA_RPSCO_VD_STR-BUKRS sy-vline 
WA_RPSCO_VD_STR-FIKRS sy-vline 
WA_RPSCO_VD_STR-OWAERS sy-vline 
WA_RPSCO_VD_STR-TWAERS sy-vline 
WA_RPSCO_VD_STR-OBJNR sy-vline 
WA_RPSCO_VD_STR-GJAHR sy-vline 
WA_RPSCO_VD_STR-PERDE sy-vline 
WA_RPSCO_VD_STR-PERIO sy-vline 
WA_RPSCO_VD_STR-ACPOS sy-vline 
WA_RPSCO_VD_STR-VORGA sy-vline 
WA_RPSCO_VD_STR-VERSN sy-vline 
WA_RPSCO_VD_STR-VSNMR sy-vline 
WA_RPSCO_VD_STR-VSZHL sy-vline 
WA_RPSCO_VD_STR-ABKAT sy-vline 
WA_RPSCO_VD_STR-VERSA sy-vline 
WA_RPSCO_VD_STR-VERSN_EV sy-vline 
WA_RPSCO_VD_STR-VERSN_CTC sy-vline 
WA_RPSCO_VD_STR-GEBER sy-vline 
WA_RPSCO_VD_STR-WRTTP sy-vline 
WA_RPSCO_VD_STR-TRGKZ sy-vline 
WA_RPSCO_VD_STR-BELTP sy-vline 
WA_RPSCO_VD_STR-VALUTYP sy-vline 
WA_RPSCO_VD_STR-PROJ_INT sy-vline 
WA_RPSCO_VD_STR-PRPS_INT sy-vline 
WA_RPSCO_VD_STR-PRCTR sy-vline 
WA_RPSCO_VD_STR-OBART sy-vline 
WA_RPSCO_VD_STR-MEINH sy-vline 
WA_RPSCO_VD_STR-ID_CORR sy-vline 
WA_RPSCO_VD_STR-WLP02 sy-vline 
WA_RPSCO_VD_STR-WLP03 sy-vline      INTO ld_text SEPARATED BY SPACE.

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