ABAP Select data from SAP table ICL_INSURVEH_RFC_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_INSURVEH_RFC_S
*  INTO TABLE @DATA(IT_ICL_INSURVEH_RFC_S2).
*--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_ICL_INSURVEH_RFC_S INDEX 1 INTO DATA(WA_ICL_INSURVEH_RFC_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_INSURVEH_RFC_S>-CUSTOMER_IO_CI = 1.
<ICL_INSURVEH_RFC_S>-/MVA/LICENCE_TT = 1.
<ICL_INSURVEH_RFC_S>-/MVA/VEHICLE_ID = 1.
<ICL_INSURVEH_RFC_S>-/MVA/LICENCES_CD = 1.
<ICL_INSURVEH_RFC_S>-/MVA/SEASONFR_DT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_INSURVEH_RFC_S-/MVA/SEASONTO_DT, sy-vline,
  WA_ICL_INSURVEH_RFC_S-/MVA/REGDIS_CD, sy-vline,
  WA_ICL_INSURVEH_RFC_S-/MVA/ADMDIS_CD, sy-vline,
  WA_ICL_INSURVEH_RFC_S-/MVA/FIRSTREG_DT, sy-vline,
  WA_ICL_INSURVEH_RFC_S-/MVA/PRODUCER_ID, sy-vline,
  WA_ICL_INSURVEH_RFC_S-/MVA/VEHTYPE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_INSURVEH_RFC_S 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_ICL_INSURVEH_RFC_S 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_ICL_INSURVEH_RFC_S INTO WA_ICL_INSURVEH_RFC_S.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ICL_INSURVEH_RFC_S_STR, 
CUSTOMER_IO_CI TYPE STRING,
/MVA/LICENCE_TT TYPE STRING,
/MVA/VEHICLE_ID TYPE STRING,
/MVA/LICENCES_CD TYPE STRING,
/MVA/SEASONFR_DT TYPE STRING,
/MVA/SEASONTO_DT TYPE STRING,
/MVA/REGDIS_CD TYPE STRING,
/MVA/ADMDIS_CD TYPE STRING,
/MVA/FIRSTREG_DT TYPE STRING,
/MVA/PRODUCER_ID TYPE STRING,
/MVA/VEHTYPE_ID TYPE STRING,
/MVA/VEHTYPE_TT TYPE STRING,
/MVA/OUTPUT_VL TYPE STRING,
/MVA/CAPACITY_VL TYPE STRING,
/MVA/PRODUCER_TT TYPE STRING,
/MVA/SEATS_VL TYPE STRING,
/MVA/VALUENEW_VL TYPE STRING,
/MVA/WINDSCR_VL TYPE STRING,
/MVA/DIFFOUTP_VL TYPE STRING,
/MVA/COUNTKEY_VL TYPE STRING,
/MVA/EXPIRE_DT TYPE STRING,
/MVA/CHKDIGIT_VL TYPE STRING,
/MVA/REGIS_DT TYPE STRING,
/MVA/AUTFLTYP_CD TYPE STRING,
/MVA/COUNTY_A_VL TYPE STRING,
/MVA/NAT_CD TYPE STRING,
/MVA/COMERCIA_TT TYPE STRING,
/MVA/USAGE_CD TYPE STRING,
/MVA/CLASSIF_CD TYPE STRING,
/MVA/INTERIM_FG TYPE STRING,
/MVA/IC_ID TYPE STRING,
/MVA/COUNTRY_CD TYPE STRING,
/MVA/CWEIGHT_AM TYPE STRING,
/MVA/MWEIGHT_AM TYPE STRING,
/MVA/TWEIGHT_AM TYPE STRING,
/MVA/VARLIC_FG TYPE STRING,
/MVA/VARLIC_TT TYPE STRING,
/MVA/CONSTR_CD TYPE STRING,
/MVA/VEHCAT_CD TYPE STRING,
/MVA/VEHICAT_TT TYPE STRING,
/MVA/VEHCAT_A_CD TYPE STRING,
/MVA/VEHCAT_A_TT TYPE STRING,
/MVA/OUTPUT_INTL_VL TYPE STRING,
/MVA/OUTPUT_INTL_UT TYPE STRING,
/MVA/CAPACITY_INTL_VL TYPE STRING,
/MVA/CAPACITY_INTL_UT TYPE STRING,
/MVA/PRODUCER_INTL_ID TYPE STRING,
/MVA/VEHTYP_INTL_ID TYPE STRING,
/MVA/MODEL_INTL_ID TYPE STRING,
/MVA/YEARCONSTRUCT_INTL_DT TYPE STRING,
POSTCODE TYPE STRING,
/MVA/ELICENCEPLATE_FG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_INSURVEH_RFC_S_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_ICL_INSURVEH_RFC_S_STR-CUSTOMER_IO_CI sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/LICENCE_TT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VEHICLE_ID sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/LICENCES_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/SEASONFR_DT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/SEASONTO_DT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/REGDIS_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/ADMDIS_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/FIRSTREG_DT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/PRODUCER_ID sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VEHTYPE_ID sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VEHTYPE_TT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/OUTPUT_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/CAPACITY_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/PRODUCER_TT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/SEATS_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VALUENEW_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/WINDSCR_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/DIFFOUTP_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/COUNTKEY_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/EXPIRE_DT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/CHKDIGIT_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/REGIS_DT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/AUTFLTYP_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/COUNTY_A_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/NAT_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/COMERCIA_TT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/USAGE_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/CLASSIF_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/INTERIM_FG sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/IC_ID sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/COUNTRY_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/CWEIGHT_AM sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/MWEIGHT_AM sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/TWEIGHT_AM sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VARLIC_FG sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VARLIC_TT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/CONSTR_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VEHCAT_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VEHICAT_TT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VEHCAT_A_CD sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VEHCAT_A_TT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/OUTPUT_INTL_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/OUTPUT_INTL_UT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/CAPACITY_INTL_VL sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/CAPACITY_INTL_UT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/PRODUCER_INTL_ID sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/VEHTYP_INTL_ID sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/MODEL_INTL_ID sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/YEARCONSTRUCT_INTL_DT sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-POSTCODE sy-vline 
WA_ICL_INSURVEH_RFC_S_STR-/MVA/ELICENCEPLATE_FG sy-vline      INTO ld_text SEPARATED BY SPACE.

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