ABAP Select data from SAP table ROIJNE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIJNE
*  INTO TABLE @DATA(IT_ROIJNE2).
*--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_ROIJNE INDEX 1 INTO DATA(WA_ROIJNE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIJNE>-CLIENT = 1.
<ROIJNE>-NOMTK = 1.
<ROIJNE>-NOMIT = 1.
<ROIJNE>-EVENT_NR = 1.
<ROIJNE>-NOMNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIJNE-TYPE, sy-vline,
  WA_ROIJNE-DOC_TYPE, sy-vline,
  WA_ROIJNE-UPDFLAG, sy-vline,
  WA_ROIJNE-EV_SEQ, sy-vline,
  WA_ROIJNE-DOC_NUMBER, sy-vline,
  WA_ROIJNE-SHITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIJNE 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_ROIJNE 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_ROIJNE INTO WA_ROIJNE.


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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field VHLNMR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIJNE-VHLNMR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIJNE-VHLNMR.
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_ROIJNE_STR, 
CLIENT TYPE STRING,
NOMTK TYPE STRING,
NOMIT TYPE STRING,
EVENT_NR TYPE STRING,
NOMNR TYPE STRING,
TYPE TYPE STRING,
DOC_TYPE TYPE STRING,
UPDFLAG TYPE STRING,
EV_SEQ TYPE STRING,
DOC_NUMBER TYPE STRING,
SHITEM TYPE STRING,
STATUS TYPE STRING,
PSTDTF TYPE STRING,
PSTTMF TYPE STRING,
PSTDTT TYPE STRING,
PSTTMT TYPE STRING,
PEDDTF TYPE STRING,
PEDTMF TYPE STRING,
PEDDTT TYPE STRING,
PEDTMT TYPE STRING,
CRE_NAME TYPE STRING,
CRE_DATE TYPE STRING,
CRE_TIME TYPE STRING,
CHA_NAME TYPE STRING,
CHA_DATE TYPE STRING,
CHA_TIME TYPE STRING,
ASTDTF TYPE STRING,
ASTTMF TYPE STRING,
ASTDTT TYPE STRING,
ASTTMT TYPE STRING,
AEDDTF TYPE STRING,
AEDTMF TYPE STRING,
AEDDTT TYPE STRING,
AEDTMT TYPE STRING,
DEFAULTED TYPE STRING,
VEH_NR TYPE STRING,
TSRFO TYPE STRING,
TICKET_KEY TYPE STRING,
TICKET_ITEM TYPE STRING,
TICKET_EV_NR TYPE STRING,
TPNUM TYPE STRING,
DELIND TYPE STRING,
DRIVER TYPE STRING,
CPARID TYPE STRING,
ADD_QTY TYPE STRING,
ADQ_UOM TYPE STRING,
MATNR TYPE STRING,
LT_EVOPPOINT TYPE STRING,
BERNR TYPE STRING,
BERID TYPE STRING,
_DATAAGING TYPE STRING,
SI_DOC_TYP TYPE STRING,
STATUSTEXT TYPE STRING,
LONGTEXT TYPE STRING,
SI_DOC_NR TYPE STRING,
UPDATEFLAG TYPE STRING,
TYPETEXT TYPE STRING,
EV_TEXT TYPE STRING,
DOC_ASGN TYPE STRING,
VEH_ASGN TYPE STRING,
VHLNMR TYPE STRING,
SI_ASGN TYPE STRING,
CHECKBOX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIJNE_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_ROIJNE_STR-CLIENT sy-vline 
WA_ROIJNE_STR-NOMTK sy-vline 
WA_ROIJNE_STR-NOMIT sy-vline 
WA_ROIJNE_STR-EVENT_NR sy-vline 
WA_ROIJNE_STR-NOMNR sy-vline 
WA_ROIJNE_STR-TYPE sy-vline 
WA_ROIJNE_STR-DOC_TYPE sy-vline 
WA_ROIJNE_STR-UPDFLAG sy-vline 
WA_ROIJNE_STR-EV_SEQ sy-vline 
WA_ROIJNE_STR-DOC_NUMBER sy-vline 
WA_ROIJNE_STR-SHITEM sy-vline 
WA_ROIJNE_STR-STATUS sy-vline 
WA_ROIJNE_STR-PSTDTF sy-vline 
WA_ROIJNE_STR-PSTTMF sy-vline 
WA_ROIJNE_STR-PSTDTT sy-vline 
WA_ROIJNE_STR-PSTTMT sy-vline 
WA_ROIJNE_STR-PEDDTF sy-vline 
WA_ROIJNE_STR-PEDTMF sy-vline 
WA_ROIJNE_STR-PEDDTT sy-vline 
WA_ROIJNE_STR-PEDTMT sy-vline 
WA_ROIJNE_STR-CRE_NAME sy-vline 
WA_ROIJNE_STR-CRE_DATE sy-vline 
WA_ROIJNE_STR-CRE_TIME sy-vline 
WA_ROIJNE_STR-CHA_NAME sy-vline 
WA_ROIJNE_STR-CHA_DATE sy-vline 
WA_ROIJNE_STR-CHA_TIME sy-vline 
WA_ROIJNE_STR-ASTDTF sy-vline 
WA_ROIJNE_STR-ASTTMF sy-vline 
WA_ROIJNE_STR-ASTDTT sy-vline 
WA_ROIJNE_STR-ASTTMT sy-vline 
WA_ROIJNE_STR-AEDDTF sy-vline 
WA_ROIJNE_STR-AEDTMF sy-vline 
WA_ROIJNE_STR-AEDDTT sy-vline 
WA_ROIJNE_STR-AEDTMT sy-vline 
WA_ROIJNE_STR-DEFAULTED sy-vline 
WA_ROIJNE_STR-VEH_NR sy-vline 
WA_ROIJNE_STR-TSRFO sy-vline 
WA_ROIJNE_STR-TICKET_KEY sy-vline 
WA_ROIJNE_STR-TICKET_ITEM sy-vline 
WA_ROIJNE_STR-TICKET_EV_NR sy-vline 
WA_ROIJNE_STR-TPNUM sy-vline 
WA_ROIJNE_STR-DELIND sy-vline 
WA_ROIJNE_STR-DRIVER sy-vline 
WA_ROIJNE_STR-CPARID sy-vline 
WA_ROIJNE_STR-ADD_QTY sy-vline 
WA_ROIJNE_STR-ADQ_UOM sy-vline 
WA_ROIJNE_STR-MATNR sy-vline 
WA_ROIJNE_STR-LT_EVOPPOINT sy-vline 
WA_ROIJNE_STR-BERNR sy-vline 
WA_ROIJNE_STR-BERID sy-vline 
WA_ROIJNE_STR-_DATAAGING sy-vline 
WA_ROIJNE_STR-SI_DOC_TYP sy-vline 
WA_ROIJNE_STR-STATUSTEXT sy-vline 
WA_ROIJNE_STR-LONGTEXT sy-vline 
WA_ROIJNE_STR-SI_DOC_NR sy-vline 
WA_ROIJNE_STR-UPDATEFLAG sy-vline 
WA_ROIJNE_STR-TYPETEXT sy-vline 
WA_ROIJNE_STR-EV_TEXT sy-vline 
WA_ROIJNE_STR-DOC_ASGN sy-vline 
WA_ROIJNE_STR-VEH_ASGN sy-vline 
WA_ROIJNE_STR-VHLNMR sy-vline 
WA_ROIJNE_STR-SI_ASGN sy-vline 
WA_ROIJNE_STR-CHECKBOX sy-vline      INTO ld_text SEPARATED BY SPACE.

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