ABAP Select data from SAP table RNWCH_EDI_INSURANCE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RNWCH_EDI_INSURANCE
*  INTO TABLE @DATA(IT_RNWCH_EDI_INSURANCE2).
*--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_RNWCH_EDI_INSURANCE INDEX 1 INTO DATA(WA_RNWCH_EDI_INSURANCE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RNWCH_EDI_INSURANCE>-EAN_PARTY = 1.
<RNWCH_EDI_INSURANCE>-CPSIGN = 1.
<RNWCH_EDI_INSURANCE>-COMP = 1.
<RNWCH_EDI_INSURANCE>-CNAME = 1.
<RNWCH_EDI_INSURANCE>-CDEPT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RNWCH_EDI_INSURANCE-CSALUTATION, sy-vline,
  WA_RNWCH_EDI_INSURANCE-CTITEL, sy-vline,
  WA_RNWCH_EDI_INSURANCE-CADDR, sy-vline,
  WA_RNWCH_EDI_INSURANCE-POBOX, sy-vline,
  WA_RNWCH_EDI_INSURANCE-STREET, sy-vline,
  WA_RNWCH_EDI_INSURANCE-POSTCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RNWCH_EDI_INSURANCE 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_RNWCH_EDI_INSURANCE 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_RNWCH_EDI_INSURANCE INTO WA_RNWCH_EDI_INSURANCE.


*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_RNWCH_EDI_INSURANCE_STR, 
EAN_PARTY TYPE STRING,
CPSIGN TYPE STRING,
COMP TYPE STRING,
CNAME TYPE STRING,
CDEPT TYPE STRING,
CSALUTATION TYPE STRING,
CTITEL TYPE STRING,
CADDR TYPE STRING,
POBOX TYPE STRING,
STREET TYPE STRING,
POSTCODE TYPE STRING,
CITY TYPE STRING,
STATECODE TYPE STRING,
COUNTRYCODE TYPE STRING,
TELNR1 TYPE STRING,
TELNR2 TYPE STRING,
TELNR3 TYPE STRING,
FAXNR1 TYPE STRING,
EMAIL1 TYPE STRING,
URL1 TYPE STRING,
SUBADDR TYPE STRING,
PERS TYPE STRING,
PSALUTATION TYPE STRING,
PTITEL TYPE STRING,
PNNAME TYPE STRING,
PVNAME TYPE STRING,
PADDR TYPE STRING,
POBOX TYPE STRING,
STREET TYPE STRING,
POSTCODE TYPE STRING,
CITY TYPE STRING,
STATECODE TYPE STRING,
COUNTRYCODE TYPE STRING,
TELNR1 TYPE STRING,
TELNR2 TYPE STRING,
TELNR3 TYPE STRING,
FAXNR1 TYPE STRING,
EMAIL1 TYPE STRING,
URL1 TYPE STRING,
SUBADDR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RNWCH_EDI_INSURANCE_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_RNWCH_EDI_INSURANCE_STR-EAN_PARTY sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-CPSIGN sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-COMP sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-CNAME sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-CDEPT sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-CSALUTATION sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-CTITEL sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-CADDR sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-POBOX sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-STREET sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-POSTCODE sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-CITY sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-STATECODE sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-COUNTRYCODE sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-TELNR1 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-TELNR2 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-TELNR3 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-FAXNR1 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-EMAIL1 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-URL1 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-SUBADDR sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-PERS sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-PSALUTATION sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-PTITEL sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-PNNAME sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-PVNAME sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-PADDR sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-POBOX sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-STREET sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-POSTCODE sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-CITY sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-STATECODE sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-COUNTRYCODE sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-TELNR1 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-TELNR2 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-TELNR3 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-FAXNR1 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-EMAIL1 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-URL1 sy-vline 
WA_RNWCH_EDI_INSURANCE_STR-SUBADDR sy-vline      INTO ld_text SEPARATED BY SPACE.

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