ABAP Select data from SAP table IRADEFITMWOINV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IRADEFITMWOINV
*  INTO TABLE @DATA(IT_IRADEFITMWOINV2).
*--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_IRADEFITMWOINV INDEX 1 INTO DATA(WA_IRADEFITMWOINV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IRADEFITMWOINV>-MANDT = 1.
<IRADEFITMWOINV>-REVNACCTGRECONCILIATIONKEY = 1.
<IRADEFITMWOINV>-PERFORMANCEOBLIGATION = 1.
<IRADEFITMWOINV>-CONDITIONTYPE = 1.
<IRADEFITMWOINV>-REVENUEACCOUNTINGCONTRACT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IRADEFITMWOINV-FISCALYEARPERIOD, sy-vline,
  WA_IRADEFITMWOINV-COMPANYCODE, sy-vline,
  WA_IRADEFITMWOINV-ACCOUNTINGPRINCIPLE, sy-vline,
  WA_IRADEFITMWOINV-REVNACCTGCONDITIONCATEGORY, sy-vline,
  WA_IRADEFITMWOINV-PERFOBLGNFULFILLMENTTYPE, sy-vline,
  WA_IRADEFITMWOINV-PERFOBLGNEVENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IRADEFITMWOINV 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_IRADEFITMWOINV 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_IRADEFITMWOINV INTO WA_IRADEFITMWOINV.


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

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

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

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

*Conversion exit ALPHA, internal->external for field REVNACCTGTARGETACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRADEFITMWOINV-REVNACCTGTARGETACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRADEFITMWOINV-REVNACCTGTARGETACCOUNT.
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_IRADEFITMWOINV_STR, 
MANDT TYPE STRING,
REVNACCTGRECONCILIATIONKEY TYPE STRING,
PERFORMANCEOBLIGATION TYPE STRING,
CONDITIONTYPE TYPE STRING,
REVENUEACCOUNTINGCONTRACT TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGPRINCIPLE TYPE STRING,
REVNACCTGCONDITIONCATEGORY TYPE STRING,
PERFOBLGNFULFILLMENTTYPE TYPE STRING,
PERFOBLGNEVENTTYPE TYPE STRING,
CONDITIONISFORSTATISTICS TYPE STRING,
DEFERRALITEMCATPERCNDNTYPE TYPE STRING,
SALESDOCUMENTCURRENCY TYPE STRING,
PERFOBLGNEFFECTIVEQUANTITYUNIT TYPE STRING,
CUMULATIVEEFFECTIVEQUANTITY TYPE STRING,
DELTAEFFECTIVEQUANTITY TYPE STRING,
DELTAEFFECTIVEAMTINSLSDOCCRCY TYPE STRING,
CUMLTVEFFECTIVEAMTINSLSDOCCRCY TYPE STRING,
DELTARECOGNIZEDAMTINSLSDOCCRCY TYPE STRING,
PREVRECOGNIZEDAMTINSLSDOCCRCY TYPE STRING,
DELTAPERFOBLGNFULFILLEDQTY TYPE STRING,
PERFOBLGNPREVIOUSFULFILLEDQTY TYPE STRING,
RECGDCATCHUPAMTINSLSDOCCRCY TYPE STRING,
REVNACCTGSOURCEACCOUNT TYPE STRING,
REVNACCTGTARGETACCOUNT TYPE STRING,
DEFERRALITEMISLATEST TYPE STRING,
DEFERRALITEMLASTCHANGEDATETIME TYPE STRING,
DEFERRALITEMCREATIONDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IRADEFITMWOINV_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_IRADEFITMWOINV_STR-MANDT sy-vline 
WA_IRADEFITMWOINV_STR-REVNACCTGRECONCILIATIONKEY sy-vline 
WA_IRADEFITMWOINV_STR-PERFORMANCEOBLIGATION sy-vline 
WA_IRADEFITMWOINV_STR-CONDITIONTYPE sy-vline 
WA_IRADEFITMWOINV_STR-REVENUEACCOUNTINGCONTRACT sy-vline 
WA_IRADEFITMWOINV_STR-FISCALYEARPERIOD sy-vline 
WA_IRADEFITMWOINV_STR-COMPANYCODE sy-vline 
WA_IRADEFITMWOINV_STR-ACCOUNTINGPRINCIPLE sy-vline 
WA_IRADEFITMWOINV_STR-REVNACCTGCONDITIONCATEGORY sy-vline 
WA_IRADEFITMWOINV_STR-PERFOBLGNFULFILLMENTTYPE sy-vline 
WA_IRADEFITMWOINV_STR-PERFOBLGNEVENTTYPE sy-vline 
WA_IRADEFITMWOINV_STR-CONDITIONISFORSTATISTICS sy-vline 
WA_IRADEFITMWOINV_STR-DEFERRALITEMCATPERCNDNTYPE sy-vline 
WA_IRADEFITMWOINV_STR-SALESDOCUMENTCURRENCY sy-vline 
WA_IRADEFITMWOINV_STR-PERFOBLGNEFFECTIVEQUANTITYUNIT sy-vline 
WA_IRADEFITMWOINV_STR-CUMULATIVEEFFECTIVEQUANTITY sy-vline 
WA_IRADEFITMWOINV_STR-DELTAEFFECTIVEQUANTITY sy-vline 
WA_IRADEFITMWOINV_STR-DELTAEFFECTIVEAMTINSLSDOCCRCY sy-vline 
WA_IRADEFITMWOINV_STR-CUMLTVEFFECTIVEAMTINSLSDOCCRCY sy-vline 
WA_IRADEFITMWOINV_STR-DELTARECOGNIZEDAMTINSLSDOCCRCY sy-vline 
WA_IRADEFITMWOINV_STR-PREVRECOGNIZEDAMTINSLSDOCCRCY sy-vline 
WA_IRADEFITMWOINV_STR-DELTAPERFOBLGNFULFILLEDQTY sy-vline 
WA_IRADEFITMWOINV_STR-PERFOBLGNPREVIOUSFULFILLEDQTY sy-vline 
WA_IRADEFITMWOINV_STR-RECGDCATCHUPAMTINSLSDOCCRCY sy-vline 
WA_IRADEFITMWOINV_STR-REVNACCTGSOURCEACCOUNT sy-vline 
WA_IRADEFITMWOINV_STR-REVNACCTGTARGETACCOUNT sy-vline 
WA_IRADEFITMWOINV_STR-DEFERRALITEMISLATEST sy-vline 
WA_IRADEFITMWOINV_STR-DEFERRALITEMLASTCHANGEDATETIME sy-vline 
WA_IRADEFITMWOINV_STR-DEFERRALITEMCREATIONDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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