ABAP Select data from SAP table JVA_FDP_NONOPTRINVC_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVA_FDP_NONOPTRINVC_ITEM
*  INTO TABLE @DATA(IT_JVA_FDP_NONOPTRINVC_ITEM2).
*--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_JVA_FDP_NONOPTRINVC_ITEM INDEX 1 INTO DATA(WA_JVA_FDP_NONOPTRINVC_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVA_FDP_NONOPTRINVC_ITEM>-DOCUMENT_ID = 1.
<JVA_FDP_NONOPTRINVC_ITEM>-ACCOUNTINGDOCUMENT = 1.
<JVA_FDP_NONOPTRINVC_ITEM>-COSTCENTER = 1.
<JVA_FDP_NONOPTRINVC_ITEM>-WBSELEMENTINTERNALID = 1.
<JVA_FDP_NONOPTRINVC_ITEM>-ASSETNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVA_FDP_NONOPTRINVC_ITEM-ACCOUNTINGDOCUMENTLINEITEM, sy-vline,
  WA_JVA_FDP_NONOPTRINVC_ITEM-LOCALCURRENCY, sy-vline,
  WA_JVA_FDP_NONOPTRINVC_ITEM-JOINTVENTURELOCALCRCY, sy-vline,
  WA_JVA_FDP_NONOPTRINVC_ITEM-DESCRIPTION, sy-vline,
  WA_JVA_FDP_NONOPTRINVC_ITEM-FUNDINGCURRENCY, sy-vline,
  WA_JVA_FDP_NONOPTRINVC_ITEM-CURPERDNETAMTINFC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JVA_FDP_NONOPTRINVC_ITEM 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_JVA_FDP_NONOPTRINVC_ITEM 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_JVA_FDP_NONOPTRINVC_ITEM INTO WA_JVA_FDP_NONOPTRINVC_ITEM.


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

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

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

*Conversion exit EXCRT, internal->external for field EXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_JVA_FDP_NONOPTRINVC_ITEM-EXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_FDP_NONOPTRINVC_ITEM-EXCHANGERATE.
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_JVA_FDP_NONOPTRINVC_ITEM_STR, 
DOCUMENT_ID TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
COSTCENTER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
ASSETNUMBER TYPE STRING,
ACCOUNTINGDOCUMENTLINEITEM TYPE STRING,
LOCALCURRENCY TYPE STRING,
JOINTVENTURELOCALCRCY TYPE STRING,
DESCRIPTION TYPE STRING,
FUNDINGCURRENCY TYPE STRING,
CURPERDNETAMTINFC TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CURPERDNETAMTINTC TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
CURPERDNETAMTINCCRCYRKCUR TYPE STRING,
GLOBALCURRENCY TYPE STRING,
CURPERDAMTINGCRCY TYPE STRING,
EXCHANGERATE TYPE STRING,
JVAFDPCUSTFIELD1 TYPE STRING,
JVAFDPCUSTFIELD2 TYPE STRING,
JVAFDPCUSTFIELD3 TYPE STRING,
JVAFDPCUSTFIELD4 TYPE STRING,
JVAFDPCUSTFIELD5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVA_FDP_NONOPTRINVC_ITEM_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_JVA_FDP_NONOPTRINVC_ITEM_STR-DOCUMENT_ID sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-COSTCENTER sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-WBSELEMENTINTERNALID sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-ASSETNUMBER sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-ACCOUNTINGDOCUMENTLINEITEM sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-LOCALCURRENCY sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-JOINTVENTURELOCALCRCY sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-DESCRIPTION sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-FUNDINGCURRENCY sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-CURPERDNETAMTINFC sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-CURPERDNETAMTINTC sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-COMPANYCODECURRENCY sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-CURPERDNETAMTINCCRCYRKCUR sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-GLOBALCURRENCY sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-CURPERDAMTINGCRCY sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-EXCHANGERATE sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-JVAFDPCUSTFIELD1 sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-JVAFDPCUSTFIELD2 sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-JVAFDPCUSTFIELD3 sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-JVAFDPCUSTFIELD4 sy-vline 
WA_JVA_FDP_NONOPTRINVC_ITEM_STR-JVAFDPCUSTFIELD5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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