ABAP Select data from SAP table RCGVALIOT into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RCGVALIOT 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 RCGVALIOT. 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 RCGVALIOT 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_RCGVALIOT TYPE STANDARD TABLE OF RCGVALIOT,
      WA_RCGVALIOT TYPE RCGVALIOT,
      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: <RCGVALIOT> TYPE RCGVALIOT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCGVALIOT
*  INTO TABLE @DATA(IT_RCGVALIOT2).
*--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_RCGVALIOT INDEX 1 INTO DATA(WA_RCGVALIOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCGVALIOT>-MARKFLG = 1.
<RCGVALIOT>-SELEFLG = 1.
<RCGVALIOT>-LINENO = 1.
<RCGVALIOT>-LINEMOD = 1.
<RCGVALIOT>-CHCOFLG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCGVALIOT-LOCKMOD, sy-vline,
  WA_RCGVALIOT-INTRFLG, sy-vline,
  WA_RCGVALIOT-MANDT, sy-vline,
  WA_RCGVALIOT-RECN, sy-vline,
  WA_RCGVALIOT-ACTN, sy-vline,
  WA_RCGVALIOT-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCGVALIOT 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_RCGVALIOT 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_RCGVALIOT INTO WA_RCGVALIOT.


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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RECNROOT_ORIG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCGVALIOT-RECNROOT_ORIG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCGVALIOT-RECNROOT_ORIG.
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_RCGVALIOT_STR, 
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
RECNTVH TYPE STRING,
ORD TYPE STRING,
COMPREL TYPE STRING,
FLG_INHSRC TYPE STRING,
FLG_INHOVR TYPE STRING,
FLG_INHEXCL TYPE STRING,
RECN_TPLH TYPE STRING,
RECNTVA_SRC TYPE STRING,
RECNTVA_ORIG TYPE STRING,
RECNROOT_ORIG TYPE STRING,
TPL_ORD TYPE STRING,
VALCNT TYPE STRING,
MARKTEXT TYPE STRING,
SRCID TYPE STRING,
SRCNAM TYPE STRING,
SRCTEXT TYPE STRING,
RELID TYPE STRING,
RELNAM TYPE STRING,
INH_ICON TYPE STRING,
STATUS_ICON TYPE STRING,
VTXTINF TYPE STRING,
VPOSCNT TYPE STRING,
NOAUTHFLG TYPE STRING,
NEWENTRYFLG TYPE STRING,
ADD_INF1 TYPE STRING,
ADD_INF2 TYPE STRING,
ADD_INF3 TYPE STRING,
ADD_INF4 TYPE STRING,
ADD_INF5 TYPE STRING,
FLG_PROTECTED_BY_STATUS TYPE STRING,
VACLID_STATUS TYPE STRING,
LAND_STATUS TYPE STRING,
DETAIL_RVLID_STATUS TYPE STRING,
VALFR_STATUS TYPE STRING,
FLG_STATUS_WARNING TYPE STRING,
STATUS_ICONQU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCGVALIOT_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_RCGVALIOT_STR-MARKFLG sy-vline 
WA_RCGVALIOT_STR-SELEFLG sy-vline 
WA_RCGVALIOT_STR-LINENO sy-vline 
WA_RCGVALIOT_STR-LINEMOD sy-vline 
WA_RCGVALIOT_STR-CHCOFLG sy-vline 
WA_RCGVALIOT_STR-LOCKMOD sy-vline 
WA_RCGVALIOT_STR-INTRFLG sy-vline 
WA_RCGVALIOT_STR-MANDT sy-vline 
WA_RCGVALIOT_STR-RECN sy-vline 
WA_RCGVALIOT_STR-ACTN sy-vline 
WA_RCGVALIOT_STR-VALFR sy-vline 
WA_RCGVALIOT_STR-VALTO sy-vline 
WA_RCGVALIOT_STR-AENNR sy-vline 
WA_RCGVALIOT_STR-DELFLG sy-vline 
WA_RCGVALIOT_STR-PARKFLG sy-vline 
WA_RCGVALIOT_STR-CRDAT sy-vline 
WA_RCGVALIOT_STR-CRNAM sy-vline 
WA_RCGVALIOT_STR-UPDDAT sy-vline 
WA_RCGVALIOT_STR-UPDNAM sy-vline 
WA_RCGVALIOT_STR-SRSID sy-vline 
WA_RCGVALIOT_STR-OWNID sy-vline 
WA_RCGVALIOT_STR-RECNROOT sy-vline 
WA_RCGVALIOT_STR-RECNTVH sy-vline 
WA_RCGVALIOT_STR-ORD sy-vline 
WA_RCGVALIOT_STR-COMPREL sy-vline 
WA_RCGVALIOT_STR-FLG_INHSRC sy-vline 
WA_RCGVALIOT_STR-FLG_INHOVR sy-vline 
WA_RCGVALIOT_STR-FLG_INHEXCL sy-vline 
WA_RCGVALIOT_STR-RECN_TPLH sy-vline 
WA_RCGVALIOT_STR-RECNTVA_SRC sy-vline 
WA_RCGVALIOT_STR-RECNTVA_ORIG sy-vline 
WA_RCGVALIOT_STR-RECNROOT_ORIG sy-vline 
WA_RCGVALIOT_STR-TPL_ORD sy-vline 
WA_RCGVALIOT_STR-VALCNT sy-vline 
WA_RCGVALIOT_STR-MARKTEXT sy-vline 
WA_RCGVALIOT_STR-SRCID sy-vline 
WA_RCGVALIOT_STR-SRCNAM sy-vline 
WA_RCGVALIOT_STR-SRCTEXT sy-vline 
WA_RCGVALIOT_STR-RELID sy-vline 
WA_RCGVALIOT_STR-RELNAM sy-vline 
WA_RCGVALIOT_STR-INH_ICON sy-vline 
WA_RCGVALIOT_STR-STATUS_ICON sy-vline 
WA_RCGVALIOT_STR-VTXTINF sy-vline 
WA_RCGVALIOT_STR-VPOSCNT sy-vline 
WA_RCGVALIOT_STR-NOAUTHFLG sy-vline 
WA_RCGVALIOT_STR-NEWENTRYFLG sy-vline 
WA_RCGVALIOT_STR-ADD_INF1 sy-vline 
WA_RCGVALIOT_STR-ADD_INF2 sy-vline 
WA_RCGVALIOT_STR-ADD_INF3 sy-vline 
WA_RCGVALIOT_STR-ADD_INF4 sy-vline 
WA_RCGVALIOT_STR-ADD_INF5 sy-vline 
WA_RCGVALIOT_STR-FLG_PROTECTED_BY_STATUS sy-vline 
WA_RCGVALIOT_STR-VACLID_STATUS sy-vline 
WA_RCGVALIOT_STR-LAND_STATUS sy-vline 
WA_RCGVALIOT_STR-DETAIL_RVLID_STATUS sy-vline 
WA_RCGVALIOT_STR-VALFR_STATUS sy-vline 
WA_RCGVALIOT_STR-FLG_STATUS_WARNING sy-vline 
WA_RCGVALIOT_STR-STATUS_ICONQU sy-vline      INTO ld_text SEPARATED BY SPACE.

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