ABAP Select data from SAP table ITRCOAPPLDETQTY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITRCOAPPLDETQTY
*  INTO TABLE @DATA(IT_ITRCOAPPLDETQTY2).
*--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_ITRCOAPPLDETQTY INDEX 1 INTO DATA(WA_ITRCOAPPLDETQTY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITRCOAPPLDETQTY>-MANDT = 1.
<ITRCOAPPLDETQTY>-CONTRACTNUM = 1.
<ITRCOAPPLDETQTY>-CONTRACTITEM = 1.
<ITRCOAPPLDETQTY>-CONTRACTAPPLICATIONUUID = 1.
<ITRCOAPPLDETQTY>-CONTRACTAPPLICATIONVERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITRCOAPPLDETQTY-REFERENCEAPPLICATIONDOCUMENT, sy-vline,
  WA_ITRCOAPPLDETQTY-REFERENCEAPPLICATIONITEM, sy-vline,
  WA_ITRCOAPPLDETQTY-ACMTRDGCONTRUNDERFILLID, sy-vline,
  WA_ITRCOAPPLDETQTY-INVOICENUMBER, sy-vline,
  WA_ITRCOAPPLDETQTY-NOMINATIONNUMBER, sy-vline,
  WA_ITRCOAPPLDETQTY-NOMINATIONITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITRCOAPPLDETQTY 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_ITRCOAPPLDETQTY 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_ITRCOAPPLDETQTY INTO WA_ITRCOAPPLDETQTY.


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

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

*Conversion exit CUNIT, internal->external for field TRDGCONTRACTITEMUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ITRCOAPPLDETQTY-TRDGCONTRACTITEMUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITRCOAPPLDETQTY-TRDGCONTRACTITEMUNITOFMEASURE.
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_ITRCOAPPLDETQTY_STR, 
MANDT TYPE STRING,
CONTRACTNUM TYPE STRING,
CONTRACTITEM TYPE STRING,
CONTRACTAPPLICATIONUUID TYPE STRING,
CONTRACTAPPLICATIONVERSION TYPE STRING,
REFERENCEAPPLICATIONDOCUMENT TYPE STRING,
REFERENCEAPPLICATIONITEM TYPE STRING,
ACMTRDGCONTRUNDERFILLID TYPE STRING,
INVOICENUMBER TYPE STRING,
NOMINATIONNUMBER TYPE STRING,
NOMINATIONITEM TYPE STRING,
ACMTOLERANCETYPEID TYPE STRING,
TRDGCONTRACTITEMUNITOFMEASURE TYPE STRING,
LOGISTICALLYADJUSTEDQUANTITY TYPE STRING,
FINALAPPLICATIONQUANTITY TYPE STRING,
PROVISIONALAPPLICATIONQUANTITY TYPE STRING,
CONTRITMPROVISIONALOVERFILLQTY TYPE STRING,
ACMCONTRITMPRVSNLUNDERFILLQTY TYPE STRING,
TRDGCONTRITEMOVERFILLQUANTITY TYPE STRING,
OVERFILLID TYPE STRING,
TRDGCONTRITEMUNDERFILLQUANTITY TYPE STRING,
CONTROVERFILLSETTLEDQUANTITY TYPE STRING,
REVENUERECOGNIZEDQUANTITY TYPE STRING,
CONTRITEMSOFTASSIGNEDQUANTITY TYPE STRING,
ACMTRDGCONTRRETURNSETTLEDQTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITRCOAPPLDETQTY_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_ITRCOAPPLDETQTY_STR-MANDT sy-vline 
WA_ITRCOAPPLDETQTY_STR-CONTRACTNUM sy-vline 
WA_ITRCOAPPLDETQTY_STR-CONTRACTITEM sy-vline 
WA_ITRCOAPPLDETQTY_STR-CONTRACTAPPLICATIONUUID sy-vline 
WA_ITRCOAPPLDETQTY_STR-CONTRACTAPPLICATIONVERSION sy-vline 
WA_ITRCOAPPLDETQTY_STR-REFERENCEAPPLICATIONDOCUMENT sy-vline 
WA_ITRCOAPPLDETQTY_STR-REFERENCEAPPLICATIONITEM sy-vline 
WA_ITRCOAPPLDETQTY_STR-ACMTRDGCONTRUNDERFILLID sy-vline 
WA_ITRCOAPPLDETQTY_STR-INVOICENUMBER sy-vline 
WA_ITRCOAPPLDETQTY_STR-NOMINATIONNUMBER sy-vline 
WA_ITRCOAPPLDETQTY_STR-NOMINATIONITEM sy-vline 
WA_ITRCOAPPLDETQTY_STR-ACMTOLERANCETYPEID sy-vline 
WA_ITRCOAPPLDETQTY_STR-TRDGCONTRACTITEMUNITOFMEASURE sy-vline 
WA_ITRCOAPPLDETQTY_STR-LOGISTICALLYADJUSTEDQUANTITY sy-vline 
WA_ITRCOAPPLDETQTY_STR-FINALAPPLICATIONQUANTITY sy-vline 
WA_ITRCOAPPLDETQTY_STR-PROVISIONALAPPLICATIONQUANTITY sy-vline 
WA_ITRCOAPPLDETQTY_STR-CONTRITMPROVISIONALOVERFILLQTY sy-vline 
WA_ITRCOAPPLDETQTY_STR-ACMCONTRITMPRVSNLUNDERFILLQTY sy-vline 
WA_ITRCOAPPLDETQTY_STR-TRDGCONTRITEMOVERFILLQUANTITY sy-vline 
WA_ITRCOAPPLDETQTY_STR-OVERFILLID sy-vline 
WA_ITRCOAPPLDETQTY_STR-TRDGCONTRITEMUNDERFILLQUANTITY sy-vline 
WA_ITRCOAPPLDETQTY_STR-CONTROVERFILLSETTLEDQUANTITY sy-vline 
WA_ITRCOAPPLDETQTY_STR-REVENUERECOGNIZEDQUANTITY sy-vline 
WA_ITRCOAPPLDETQTY_STR-CONTRITEMSOFTASSIGNEDQUANTITY sy-vline 
WA_ITRCOAPPLDETQTY_STR-ACMTRDGCONTRRETURNSETTLEDQTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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