ABAP Select data from SAP table RN1_CUTRA_IMP_DVAR_XML into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RN1_CUTRA_IMP_DVAR_XML 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 RN1_CUTRA_IMP_DVAR_XML. 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 RN1_CUTRA_IMP_DVAR_XML 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_RN1_CUTRA_IMP_DVAR_XML TYPE STANDARD TABLE OF RN1_CUTRA_IMP_DVAR_XML,
      WA_RN1_CUTRA_IMP_DVAR_XML TYPE RN1_CUTRA_IMP_DVAR_XML,
      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: <RN1_CUTRA_IMP_DVAR_XML> TYPE RN1_CUTRA_IMP_DVAR_XML.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RN1_CUTRA_IMP_DVAR_XML.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RN1_CUTRA_IMP_DVAR_XML
  INTO TABLE IT_RN1_CUTRA_IMP_DVAR_XML.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RN1_CUTRA_IMP_DVAR_XML
*  INTO TABLE @DATA(IT_RN1_CUTRA_IMP_DVAR_XML2).
*--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_RN1_CUTRA_IMP_DVAR_XML INDEX 1 INTO DATA(WA_RN1_CUTRA_IMP_DVAR_XML2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RN1_CUTRA_IMP_DVAR_XML ASSIGNING <RN1_CUTRA_IMP_DVAR_XML>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RN1_CUTRA_IMP_DVAR_XML>-ADJ_WPLACE_PG = 1.
<RN1_CUTRA_IMP_DVAR_XML>-WPLACETXT_XML = 1.
<RN1_CUTRA_IMP_DVAR_XML>-WPLACETXT = 1.
<RN1_CUTRA_IMP_DVAR_XML>-NWPLACE_XML = 1.
<RN1_CUTRA_IMP_DVAR_XML>-MANDT = 1.

ENDLOOP.

LOOP AT IT_RN1_CUTRA_IMP_DVAR_XML INTO WA_RN1_CUTRA_IMP_DVAR_XML.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RN1_CUTRA_IMP_DVAR_XML-WPLACETYPE, sy-vline,
  WA_RN1_CUTRA_IMP_DVAR_XML-WPLACEID, sy-vline,
  WA_RN1_CUTRA_IMP_DVAR_XML-TITEL_INACTIV, sy-vline,
  WA_RN1_CUTRA_IMP_DVAR_XML-OWNER, sy-vline,
  WA_RN1_CUTRA_IMP_DVAR_XML-NWPLACET_XML, sy-vline,
  WA_RN1_CUTRA_IMP_DVAR_XML-MANDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RN1_CUTRA_IMP_DVAR_XML 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_RN1_CUTRA_IMP_DVAR_XML 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_RN1_CUTRA_IMP_DVAR_XML INTO WA_RN1_CUTRA_IMP_DVAR_XML.


*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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RN1_CUTRA_IMP_DVAR_XML-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1_CUTRA_IMP_DVAR_XML-SPRAS.
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_RN1_CUTRA_IMP_DVAR_XML_STR, 
ADJ_WPLACE_PG TYPE STRING,
WPLACETXT_XML TYPE STRING,
WPLACETXT TYPE STRING,
NWPLACE_XML TYPE STRING,
MANDT TYPE STRING,
WPLACETYPE TYPE STRING,
WPLACEID TYPE STRING,
TITEL_INACTIV TYPE STRING,
OWNER TYPE STRING,
NWPLACET_XML TYPE STRING,
MANDT TYPE STRING,
SPRAS TYPE STRING,
WPLACETYPE TYPE STRING,
WPLACEID TYPE STRING,
TXT TYPE STRING,
WPLACEID TYPE STRING,
STATE TYPE STRING,
ACTIVE TYPE STRING,
PREALLOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RN1_CUTRA_IMP_DVAR_XML_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_RN1_CUTRA_IMP_DVAR_XML_STR-ADJ_WPLACE_PG sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-WPLACETXT_XML sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-WPLACETXT sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-NWPLACE_XML sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-MANDT sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-WPLACETYPE sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-WPLACEID sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-TITEL_INACTIV sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-OWNER sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-NWPLACET_XML sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-MANDT sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-SPRAS sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-WPLACETYPE sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-WPLACEID sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-TXT sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-WPLACEID sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-STATE sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-ACTIVE sy-vline 
WA_RN1_CUTRA_IMP_DVAR_XML_STR-PREALLOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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