ABAP Select data from SAP table ROIJNOMCLIPBOARDVB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIJNOMCLIPBOARDVB
*  INTO TABLE @DATA(IT_ROIJNOMCLIPBOARDVB2).
*--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_ROIJNOMCLIPBOARDVB INDEX 1 INTO DATA(WA_ROIJNOMCLIPBOARDVB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIJNOMCLIPBOARDVB>-MANDT = 1.
<ROIJNOMCLIPBOARDVB>-CLIPKEY = 1.
<ROIJNOMCLIPBOARDVB>-TSYST = 1.
<ROIJNOMCLIPBOARDVB>-CLIPSLOC = 1.
<ROIJNOMCLIPBOARDVB>-MATNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIJNOMCLIPBOARDVB-RAIL_QTY, sy-vline,
  WA_ROIJNOMCLIPBOARDVB-RAIL_UOM, sy-vline,
  WA_ROIJNOMCLIPBOARDVB-CAPACITY, sy-vline,
  WA_ROIJNOMCLIPBOARDVB-CAPACITY_UOM, sy-vline,
  WA_ROIJNOMCLIPBOARDVB-RAILCARID, sy-vline,
  WA_ROIJNOMCLIPBOARDVB-RAIL_SPLIT_SEQ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIJNOMCLIPBOARDVB 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_ROIJNOMCLIPBOARDVB 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_ROIJNOMCLIPBOARDVB INTO WA_ROIJNOMCLIPBOARDVB.


*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 MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ROIJNOMCLIPBOARDVB-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIJNOMCLIPBOARDVB-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field NOMTK_NEW_D
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIJNOMCLIPBOARDVB-NOMTK_NEW_D
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIJNOMCLIPBOARDVB-NOMTK_NEW_D.
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_ROIJNOMCLIPBOARDVB_STR, 
MANDT TYPE STRING,
CLIPKEY TYPE STRING,
TSYST TYPE STRING,
CLIPSLOC TYPE STRING,
MATNR TYPE STRING,
RAIL_QTY TYPE STRING,
RAIL_UOM TYPE STRING,
CAPACITY TYPE STRING,
CAPACITY_UOM TYPE STRING,
RAILCARID TYPE STRING,
RAIL_SPLIT_SEQ TYPE STRING,
RAILCAR_TYPE TYPE STRING,
TARIFF TYPE STRING,
CURRENCY TYPE STRING,
DOCIND_R TYPE STRING,
DOCNR_R TYPE STRING,
DOCITM_R TYPE STRING,
CARR_TKT_KEY TYPE STRING,
CARR_TKT_ITEM TYPE STRING,
CARR_TKT_VERSION TYPE STRING,
CARR_TKT_PURPOSE TYPE STRING,
NOMTK_OLD_O TYPE STRING,
NOMIT_OLD_O TYPE STRING,
NOMTK_OLD_D TYPE STRING,
NOMIT_OLD_D TYPE STRING,
NOMTK_NEW_O TYPE STRING,
NOMIT_NEW_O TYPE STRING,
NOMTK_NEW_D TYPE STRING,
NOMIT_NEW_D TYPE STRING,
DELIND TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AEZEIT TYPE STRING,
AENAM TYPE STRING,
UPDKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIJNOMCLIPBOARDVB_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_ROIJNOMCLIPBOARDVB_STR-MANDT sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CLIPKEY sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-TSYST sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CLIPSLOC sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-MATNR sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-RAIL_QTY sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-RAIL_UOM sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CAPACITY sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CAPACITY_UOM sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-RAILCARID sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-RAIL_SPLIT_SEQ sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-RAILCAR_TYPE sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-TARIFF sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CURRENCY sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-DOCIND_R sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-DOCNR_R sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-DOCITM_R sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CARR_TKT_KEY sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CARR_TKT_ITEM sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CARR_TKT_VERSION sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-CARR_TKT_PURPOSE sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-NOMTK_OLD_O sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-NOMIT_OLD_O sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-NOMTK_OLD_D sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-NOMIT_OLD_D sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-NOMTK_NEW_O sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-NOMIT_NEW_O sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-NOMTK_NEW_D sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-NOMIT_NEW_D sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-DELIND sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-ERDAT sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-ERZEIT sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-ERNAM sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-AEDAT sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-AEZEIT sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-AENAM sy-vline 
WA_ROIJNOMCLIPBOARDVB_STR-UPDKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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