ABAP Select data from SAP table RN1PREC_CORDER_VIEW into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RN1PREC_CORDER_VIEW 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 RN1PREC_CORDER_VIEW. 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 RN1PREC_CORDER_VIEW 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_RN1PREC_CORDER_VIEW TYPE STANDARD TABLE OF RN1PREC_CORDER_VIEW,
      WA_RN1PREC_CORDER_VIEW TYPE RN1PREC_CORDER_VIEW,
      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: <RN1PREC_CORDER_VIEW> TYPE RN1PREC_CORDER_VIEW.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RN1PREC_CORDER_VIEW.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RN1PREC_CORDER_VIEW
  INTO TABLE IT_RN1PREC_CORDER_VIEW.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RN1PREC_CORDER_VIEW
*  INTO TABLE @DATA(IT_RN1PREC_CORDER_VIEW2).
*--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_RN1PREC_CORDER_VIEW INDEX 1 INTO DATA(WA_RN1PREC_CORDER_VIEW2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RN1PREC_CORDER_VIEW ASSIGNING <RN1PREC_CORDER_VIEW>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RN1PREC_CORDER_VIEW>-MANDT = 1.
<RN1PREC_CORDER_VIEW>-CORDERID = 1.
<RN1PREC_CORDER_VIEW>-EINRI = 1.
<RN1PREC_CORDER_VIEW>-REFTYP = 1.
<RN1PREC_CORDER_VIEW>-PATNR = 1.

ENDLOOP.

LOOP AT IT_RN1PREC_CORDER_VIEW INTO WA_RN1PREC_CORDER_VIEW.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RN1PREC_CORDER_VIEW-PAPID, sy-vline,
  WA_RN1PREC_CORDER_VIEW-ETRBY, sy-vline,
  WA_RN1PREC_CORDER_VIEW-ETROE, sy-vline,
  WA_RN1PREC_CORDER_VIEW-ETRGP, sy-vline,
  WA_RN1PREC_CORDER_VIEW-ORDDEP, sy-vline,
  WA_RN1PREC_CORDER_VIEW-ORDPRI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RN1PREC_CORDER_VIEW 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_RN1PREC_CORDER_VIEW 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_RN1PREC_CORDER_VIEW INTO WA_RN1PREC_CORDER_VIEW.


*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 EINRI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-EINRI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-EINRI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PATNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-PATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-PATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAPID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-PAPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-PAPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ETROE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-ETROE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-ETROE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ETRGP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-ETRGP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-ETRGP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORDDEP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-ORDDEP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-ORDDEP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRGNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-PRGNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-PRGNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WLPRI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-WLPRI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-WLPRI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WLHSP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-WLHSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-WLHSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABSESN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_CORDER_VIEW-ABSESN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_CORDER_VIEW-ABSESN.
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_RN1PREC_CORDER_VIEW_STR, 
MANDT TYPE STRING,
CORDERID TYPE STRING,
EINRI TYPE STRING,
REFTYP TYPE STRING,
PATNR TYPE STRING,
PAPID TYPE STRING,
ETRBY TYPE STRING,
ETROE TYPE STRING,
ETRGP TYPE STRING,
ORDDEP TYPE STRING,
ORDPRI TYPE STRING,
CORDTITLE TYPE STRING,
PRGNR TYPE STRING,
RCKRUF TYPE STRING,
KANAM TYPE STRING,
KALTX TYPE STRING,
FRAGE TYPE STRING,
FRLTX TYPE STRING,
SCHWKZ TYPE STRING,
SCHWO TYPE STRING,
IFG TYPE STRING,
RMCORD TYPE STRING,
RMLTX TYPE STRING,
WLPRI TYPE STRING,
WLTYP TYPE STRING,
WLREM TYPE STRING,
WLRDT TYPE STRING,
WLRRN TYPE STRING,
WLSTA TYPE STRING,
WLHSP TYPE STRING,
WLADT TYPE STRING,
ABSBDT TYPE STRING,
ABSEDT TYPE STRING,
ABSESN TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
ERUSR TYPE STRING,
UPDAT TYPE STRING,
UPTIM TYPE STRING,
UPUSR TYPE STRING,
STORN TYPE STRING,
STUSR TYPE STRING,
STDAT TYPE STRING,
STTIME TYPE STRING,
STOID TYPE STRING,
USER1 TYPE STRING,
USER2 TYPE STRING,
USER3 TYPE STRING,
USER4 TYPE STRING,
USER5 TYPE STRING,
USER6 TYPE STRING,
USER7 TYPE STRING,
CREATTYP TYPE STRING,
ETROEKB TYPE STRING,
VMALT TYPE STRING,
SERVICES TYPE STRING,
ANFID TYPE STRING,
ICON_DOCUMENT TYPE STRING,
ORGIDKB TYPE STRING,
ANSTATXT TYPE STRING,
WLSTX TYPE STRING,
T_CORDPOS TYPE STRING,
T_SERVICE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RN1PREC_CORDER_VIEW_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_RN1PREC_CORDER_VIEW_STR-MANDT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-CORDERID sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-EINRI sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-REFTYP sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-PATNR sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-PAPID sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ETRBY sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ETROE sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ETRGP sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ORDDEP sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ORDPRI sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-CORDTITLE sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-PRGNR sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-RCKRUF sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-KANAM sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-KALTX sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-FRAGE sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-FRLTX sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-SCHWKZ sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-SCHWO sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-IFG sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-RMCORD sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-RMLTX sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLPRI sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLTYP sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLREM sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLRDT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLRRN sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLSTA sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLHSP sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLADT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ABSBDT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ABSEDT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ABSESN sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ERDAT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ERTIM sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ERUSR sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-UPDAT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-UPTIM sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-UPUSR sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-STORN sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-STUSR sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-STDAT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-STTIME sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-STOID sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-USER1 sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-USER2 sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-USER3 sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-USER4 sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-USER5 sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-USER6 sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-USER7 sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-CREATTYP sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ETROEKB sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-VMALT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-SERVICES sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ANFID sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ICON_DOCUMENT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ORGIDKB sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-ANSTATXT sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-WLSTX sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-T_CORDPOS sy-vline 
WA_RN1PREC_CORDER_VIEW_STR-T_SERVICE sy-vline      INTO ld_text SEPARATED BY SPACE.

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