ABAP Select data from SAP table ITRDGCONTRITM1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ITRDGCONTRITM1 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 ITRDGCONTRITM1. 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 ITRDGCONTRITM1 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_ITRDGCONTRITM1 TYPE STANDARD TABLE OF ITRDGCONTRITM1,
      WA_ITRDGCONTRITM1 TYPE ITRDGCONTRITM1,
      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: <ITRDGCONTRITM1> TYPE ITRDGCONTRITM1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ITRDGCONTRITM1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ITRDGCONTRITM1
  INTO TABLE IT_ITRDGCONTRITM1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITRDGCONTRITM1
*  INTO TABLE @DATA(IT_ITRDGCONTRITM12).
*--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_ITRDGCONTRITM1 INDEX 1 INTO DATA(WA_ITRDGCONTRITM12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ITRDGCONTRITM1 ASSIGNING <ITRDGCONTRITM1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITRDGCONTRITM1>-MANDT = 1.
<ITRDGCONTRITM1>-TRADINGCONTRACTNUMBER = 1.
<ITRDGCONTRITM1>-TRADINGCONTRACTITEM = 1.
<ITRDGCONTRITM1>-TRDGCONTRCOMMODITYSUBITEM = 1.
<ITRDGCONTRITM1>-CONTRACTMATERIAL = 1.

ENDLOOP.

LOOP AT IT_ITRDGCONTRITM1 INTO WA_ITRDGCONTRITM1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITRDGCONTRITM1-CONTRACTPLANT, sy-vline,
  WA_ITRDGCONTRITM1-CONTRACTSTORAGELOCATION, sy-vline,
  WA_ITRDGCONTRITM1-TRDGCONTRPURGQUANTITY, sy-vline,
  WA_ITRDGCONTRITM1-TRDGCONTRSALESQUANTITY, sy-vline,
  WA_ITRDGCONTRITM1-BASEUNIT, sy-vline,
  WA_ITRDGCONTRITM1-PRCGCNDNTRADINGCONTRCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITRDGCONTRITM1 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_ITRDGCONTRITM1 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_ITRDGCONTRITM1 INTO WA_ITRDGCONTRITM1.


*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 TRADINGCONTRACTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITRDGCONTRITM1-TRADINGCONTRACTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITRDGCONTRITM1-TRADINGCONTRACTNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field CONTRACTMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ITRDGCONTRITM1-CONTRACTMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITRDGCONTRITM1-CONTRACTMATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ITRDGCONTRITM1-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITRDGCONTRITM1-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITRDGCONTRITM1-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITRDGCONTRITM1-PROFITCENTER.
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_ITRDGCONTRITM1_STR, 
MANDT TYPE STRING,
TRADINGCONTRACTNUMBER TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
TRDGCONTRCOMMODITYSUBITEM TYPE STRING,
CONTRACTMATERIAL TYPE STRING,
CONTRACTPLANT TYPE STRING,
CONTRACTSTORAGELOCATION TYPE STRING,
TRDGCONTRPURGQUANTITY TYPE STRING,
TRDGCONTRSALESQUANTITY TYPE STRING,
BASEUNIT TYPE STRING,
PRCGCNDNTRADINGCONTRCURRENCY TYPE STRING,
TRADINGCONTRACTSALESCURRENCY TYPE STRING,
COMMODITY TYPE STRING,
PROFITCENTER TYPE STRING,
ITEMPRICE TYPE STRING,
PRICECURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITRDGCONTRITM1_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_ITRDGCONTRITM1_STR-MANDT sy-vline 
WA_ITRDGCONTRITM1_STR-TRADINGCONTRACTNUMBER sy-vline 
WA_ITRDGCONTRITM1_STR-TRADINGCONTRACTITEM sy-vline 
WA_ITRDGCONTRITM1_STR-TRDGCONTRCOMMODITYSUBITEM sy-vline 
WA_ITRDGCONTRITM1_STR-CONTRACTMATERIAL sy-vline 
WA_ITRDGCONTRITM1_STR-CONTRACTPLANT sy-vline 
WA_ITRDGCONTRITM1_STR-CONTRACTSTORAGELOCATION sy-vline 
WA_ITRDGCONTRITM1_STR-TRDGCONTRPURGQUANTITY sy-vline 
WA_ITRDGCONTRITM1_STR-TRDGCONTRSALESQUANTITY sy-vline 
WA_ITRDGCONTRITM1_STR-BASEUNIT sy-vline 
WA_ITRDGCONTRITM1_STR-PRCGCNDNTRADINGCONTRCURRENCY sy-vline 
WA_ITRDGCONTRITM1_STR-TRADINGCONTRACTSALESCURRENCY sy-vline 
WA_ITRDGCONTRITM1_STR-COMMODITY sy-vline 
WA_ITRDGCONTRITM1_STR-PROFITCENTER sy-vline 
WA_ITRDGCONTRITM1_STR-ITEMPRICE sy-vline 
WA_ITRDGCONTRITM1_STR-PRICECURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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