ABAP Select data from SAP table ROIJNOMIT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIJNOMIT
*  INTO TABLE @DATA(IT_ROIJNOMIT2).
*--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_ROIJNOMIT INDEX 1 INTO DATA(WA_ROIJNOMIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIJNOMIT>-SITYP = 1.
<ROIJNOMIT>-ISTAT = 1.
<ROIJNOMIT>-ISUBSTAT = 1.
<ROIJNOMIT>-IDATE = 1.
<ROIJNOMIT>-LOCID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIJNOMIT-LOCNAM, sy-vline,
  WA_ROIJNOMIT-PLANIND, sy-vline,
  WA_ROIJNOMIT-LOCPT, sy-vline,
  WA_ROIJNOMIT-LOCSL, sy-vline,
  WA_ROIJNOMIT-MATNR_I, sy-vline,
  WA_ROIJNOMIT-MENGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIJNOMIT 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_ROIJNOMIT 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_ROIJNOMIT INTO WA_ROIJNOMIT.


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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field ITTOLUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ROIJNOMIT-ITTOLUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIJNOMIT-ITTOLUNIT.
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_ROIJNOMIT_STR, 
SITYP TYPE STRING,
ISTAT TYPE STRING,
ISUBSTAT TYPE STRING,
IDATE TYPE STRING,
LOCID TYPE STRING,
LOCNAM TYPE STRING,
PLANIND TYPE STRING,
LOCPT TYPE STRING,
LOCSL TYPE STRING,
MATNR_I TYPE STRING,
MENGE TYPE STRING,
UNIT_I TYPE STRING,
DOCIND TYPE STRING,
DOCNR TYPE STRING,
DOCTYP TYPE STRING,
WORKLIST_I TYPE STRING,
TANK TYPE STRING,
CONS TYPE STRING,
PARTNR TYPE STRING,
CONPAT TYPE STRING,
INSPE TYPE STRING,
IMPOEXPO TYPE STRING,
FLAG_IMEX TYPE STRING,
OWNER TYPE STRING,
CHARG_O TYPE STRING,
CHARG_D TYPE STRING,
S_MATNR_I TYPE STRING,
RVP TYPE STRING,
DOCITM TYPE STRING,
VALUATIONTYPE_O TYPE STRING,
VALUATIONTYPE_D TYPE STRING,
SHNUM TYPE STRING,
SHITEM TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
ILOCK TYPE STRING,
ACTDAT TYPE STRING,
ACTTIME TYPE STRING,
ACTUALS TYPE STRING,
ACTUALQTY TYPE STRING,
ACTUALUOM TYPE STRING,
ITBOTOL TYPE STRING,
ITBUTOL TYPE STRING,
ITBOTOLABS TYPE STRING,
ITBUTOLABS TYPE STRING,
ITTOLUNIT TYPE STRING,
UNLIMITED TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AEZEIT TYPE STRING,
AENAM TYPE STRING,
BLOIND TYPE STRING,
DELIND TYPE STRING,
TKTSELECT TYPE STRING,
UPDATEXDOK TYPE STRING,
INCOMPLETE_FLAG TYPE STRING,
QUICKCONF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIJNOMIT_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_ROIJNOMIT_STR-SITYP sy-vline 
WA_ROIJNOMIT_STR-ISTAT sy-vline 
WA_ROIJNOMIT_STR-ISUBSTAT sy-vline 
WA_ROIJNOMIT_STR-IDATE sy-vline 
WA_ROIJNOMIT_STR-LOCID sy-vline 
WA_ROIJNOMIT_STR-LOCNAM sy-vline 
WA_ROIJNOMIT_STR-PLANIND sy-vline 
WA_ROIJNOMIT_STR-LOCPT sy-vline 
WA_ROIJNOMIT_STR-LOCSL sy-vline 
WA_ROIJNOMIT_STR-MATNR_I sy-vline 
WA_ROIJNOMIT_STR-MENGE sy-vline 
WA_ROIJNOMIT_STR-UNIT_I sy-vline 
WA_ROIJNOMIT_STR-DOCIND sy-vline 
WA_ROIJNOMIT_STR-DOCNR sy-vline 
WA_ROIJNOMIT_STR-DOCTYP sy-vline 
WA_ROIJNOMIT_STR-WORKLIST_I sy-vline 
WA_ROIJNOMIT_STR-TANK sy-vline 
WA_ROIJNOMIT_STR-CONS sy-vline 
WA_ROIJNOMIT_STR-PARTNR sy-vline 
WA_ROIJNOMIT_STR-CONPAT sy-vline 
WA_ROIJNOMIT_STR-INSPE sy-vline 
WA_ROIJNOMIT_STR-IMPOEXPO sy-vline 
WA_ROIJNOMIT_STR-FLAG_IMEX sy-vline 
WA_ROIJNOMIT_STR-OWNER sy-vline 
WA_ROIJNOMIT_STR-CHARG_O sy-vline 
WA_ROIJNOMIT_STR-CHARG_D sy-vline 
WA_ROIJNOMIT_STR-S_MATNR_I sy-vline 
WA_ROIJNOMIT_STR-RVP sy-vline 
WA_ROIJNOMIT_STR-DOCITM sy-vline 
WA_ROIJNOMIT_STR-VALUATIONTYPE_O sy-vline 
WA_ROIJNOMIT_STR-VALUATIONTYPE_D sy-vline 
WA_ROIJNOMIT_STR-SHNUM sy-vline 
WA_ROIJNOMIT_STR-SHITEM sy-vline 
WA_ROIJNOMIT_STR-VBELN sy-vline 
WA_ROIJNOMIT_STR-POSNR sy-vline 
WA_ROIJNOMIT_STR-ILOCK sy-vline 
WA_ROIJNOMIT_STR-ACTDAT sy-vline 
WA_ROIJNOMIT_STR-ACTTIME sy-vline 
WA_ROIJNOMIT_STR-ACTUALS sy-vline 
WA_ROIJNOMIT_STR-ACTUALQTY sy-vline 
WA_ROIJNOMIT_STR-ACTUALUOM sy-vline 
WA_ROIJNOMIT_STR-ITBOTOL sy-vline 
WA_ROIJNOMIT_STR-ITBUTOL sy-vline 
WA_ROIJNOMIT_STR-ITBOTOLABS sy-vline 
WA_ROIJNOMIT_STR-ITBUTOLABS sy-vline 
WA_ROIJNOMIT_STR-ITTOLUNIT sy-vline 
WA_ROIJNOMIT_STR-UNLIMITED sy-vline 
WA_ROIJNOMIT_STR-ERDAT sy-vline 
WA_ROIJNOMIT_STR-ERZEIT sy-vline 
WA_ROIJNOMIT_STR-ERNAM sy-vline 
WA_ROIJNOMIT_STR-AEDAT sy-vline 
WA_ROIJNOMIT_STR-AEZEIT sy-vline 
WA_ROIJNOMIT_STR-AENAM sy-vline 
WA_ROIJNOMIT_STR-BLOIND sy-vline 
WA_ROIJNOMIT_STR-DELIND sy-vline 
WA_ROIJNOMIT_STR-TKTSELECT sy-vline 
WA_ROIJNOMIT_STR-UPDATEXDOK sy-vline 
WA_ROIJNOMIT_STR-INCOMPLETE_FLAG sy-vline 
WA_ROIJNOMIT_STR-QUICKCONF sy-vline      INTO ld_text SEPARATED BY SPACE.

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