ABAP Select data from SAP table PRASCHEDDSTCTITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRASCHEDDSTCTITM
*  INTO TABLE @DATA(IT_PRASCHEDDSTCTITM2).
*--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_PRASCHEDDSTCTITM INDEX 1 INTO DATA(WA_PRASCHEDDSTCTITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRASCHEDDSTCTITM>-MANDT = 1.
<PRASCHEDDSTCTITM>-PERFORMANCEOBLIGATION = 1.
<PRASCHEDDSTCTITM>-FISCALYEAR = 1.
<PRASCHEDDSTCTITM>-FISCALPERIOD = 1.
<PRASCHEDDSTCTITM>-REVENUEACCOUNTINGCONTRACT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRASCHEDDSTCTITM-RAHIGHERLEVELPERFOBLGN, sy-vline,
  WA_PRASCHEDDSTCTITM-FISCALYEARPERIOD, sy-vline,
  WA_PRASCHEDDSTCTITM-FISCALYEARPERIODCOMPOUNDTEXT, sy-vline,
  WA_PRASCHEDDSTCTITM-COMPANYCODE, sy-vline,
  WA_PRASCHEDDSTCTITM-PERFORMANCEOBLIGATIONCLASS, sy-vline,
  WA_PRASCHEDDSTCTITM-PERFORMANCEOBLIGATIONSTARTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRASCHEDDSTCTITM 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_PRASCHEDDSTCTITM 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_PRASCHEDDSTCTITM INTO WA_PRASCHEDDSTCTITM.


*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 GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRASCHEDDSTCTITM-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRASCHEDDSTCTITM-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RAOPERATIONALDOCUMENTITEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRASCHEDDSTCTITM-RAOPERATIONALDOCUMENTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRASCHEDDSTCTITM-RAOPERATIONALDOCUMENTITEM.
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_PRASCHEDDSTCTITM_STR, 
MANDT TYPE STRING,
PERFORMANCEOBLIGATION TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALPERIOD TYPE STRING,
REVENUEACCOUNTINGCONTRACT TYPE STRING,
RAHIGHERLEVELPERFOBLGN TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
FISCALYEARPERIODCOMPOUNDTEXT TYPE STRING,
COMPANYCODE TYPE STRING,
PERFORMANCEOBLIGATIONCLASS TYPE STRING,
PERFORMANCEOBLIGATIONSTARTDATE TYPE STRING,
PERFORMANCEOBLIGATIONENDDATE TYPE STRING,
PERFOBLIGATIONDEFERRALMETHOD TYPE STRING,
PERFOBLGNSTARTDATETYPE TYPE STRING,
PERFOBLGNISFULLYFULFILLED TYPE STRING,
PERFOBLGNISFINALLYINVOICED TYPE STRING,
PERFOBLGNEVENTTYPE TYPE STRING,
PERFOBLGNFULFILLMENTTYPE TYPE STRING,
CUSTOMER TYPE STRING,
RAPERFOBLGNDISTINCTTYPE TYPE STRING,
SALESDOCUMENTCURRENCY TYPE STRING,
PERFOBLGNEFFECTIVEQUANTITYUNIT TYPE STRING,
PERFOBLGNCONTRACTUALQTYUNIT TYPE STRING,
RATIOUNIT TYPE STRING,
PERUNITSSPRICEINSLSDOCCRCY TYPE STRING,
SSPRICEINSALESDOCCRCY TYPE STRING,
PERFOBLGNCONTRACTUALQUANTITY TYPE STRING,
ALLOCATEDPRICEINSALESDOCCRCY TYPE STRING,
CONTRACTUALPRCINSLSDOCCRCY TYPE STRING,
CUMLTVEFFECTIVEAMTINSLSDOCCRCY TYPE STRING,
RAOPENREVNINSLSDOCCRCY TYPE STRING,
TOLEFFECTIVECOSTPERPERD TYPE STRING,
RAOPENCOSTINSLSDOCCRCY TYPE STRING,
PERPERDINVOICEDAMTINSLSDOCCRCY TYPE STRING,
DELTARECOGNIZEDAMTINSLSDOCCRCY TYPE STRING,
RECGDCATCHUPAMTINSLSDOCCRCY TYPE STRING,
POSTEDREVNINSLSDOCCRCY TYPE STRING,
DELTARECGDCOSTINSLSDOCCRCY TYPE STRING,
POSTEDCOSTINSLSDOCCRCY TYPE STRING,
UPTOCURPERIODFULFILLEDQTY TYPE STRING,
PERFOBLGNEFFECTIVEQUANTITY TYPE STRING,
PERFOBLGNPERPERIODFULFILLEDQTY TYPE STRING,
PERFOBLGNDELTAINVOICEDQUANTITY TYPE STRING,
RECOGNIZEDREVNUPTOCURPERDPCT TYPE STRING,
FULFILLEDQTYUPTOCURPERDRATIO TYPE STRING,
REVNACCTGSENDERCOMPONENT TYPE STRING,
REVNACCTGOPERATIONALDOCUMENT TYPE STRING,
RAOPERATIONALDOCUMENTITEM TYPE STRING,
RANUMBEROFOPERATIONALDOCUMENT TYPE STRING,
TOTALEFFECTIVEAMTINSLSDOCCRCY TYPE STRING,
TOLRECOGNIZEDAMTPERPERD TYPE STRING,
TOLRECGDAMTCATCHUPPERPERD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRASCHEDDSTCTITM_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_PRASCHEDDSTCTITM_STR-MANDT sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFORMANCEOBLIGATION sy-vline 
WA_PRASCHEDDSTCTITM_STR-FISCALYEAR sy-vline 
WA_PRASCHEDDSTCTITM_STR-FISCALPERIOD sy-vline 
WA_PRASCHEDDSTCTITM_STR-REVENUEACCOUNTINGCONTRACT sy-vline 
WA_PRASCHEDDSTCTITM_STR-RAHIGHERLEVELPERFOBLGN sy-vline 
WA_PRASCHEDDSTCTITM_STR-FISCALYEARPERIOD sy-vline 
WA_PRASCHEDDSTCTITM_STR-FISCALYEARPERIODCOMPOUNDTEXT sy-vline 
WA_PRASCHEDDSTCTITM_STR-COMPANYCODE sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFORMANCEOBLIGATIONCLASS sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFORMANCEOBLIGATIONSTARTDATE sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFORMANCEOBLIGATIONENDDATE sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLIGATIONDEFERRALMETHOD sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNSTARTDATETYPE sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNISFULLYFULFILLED sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNISFINALLYINVOICED sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNEVENTTYPE sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNFULFILLMENTTYPE sy-vline 
WA_PRASCHEDDSTCTITM_STR-CUSTOMER sy-vline 
WA_PRASCHEDDSTCTITM_STR-RAPERFOBLGNDISTINCTTYPE sy-vline 
WA_PRASCHEDDSTCTITM_STR-SALESDOCUMENTCURRENCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNEFFECTIVEQUANTITYUNIT sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNCONTRACTUALQTYUNIT sy-vline 
WA_PRASCHEDDSTCTITM_STR-RATIOUNIT sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERUNITSSPRICEINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-SSPRICEINSALESDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNCONTRACTUALQUANTITY sy-vline 
WA_PRASCHEDDSTCTITM_STR-ALLOCATEDPRICEINSALESDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-CONTRACTUALPRCINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-CUMLTVEFFECTIVEAMTINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-RAOPENREVNINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-TOLEFFECTIVECOSTPERPERD sy-vline 
WA_PRASCHEDDSTCTITM_STR-RAOPENCOSTINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERPERDINVOICEDAMTINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-DELTARECOGNIZEDAMTINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-RECGDCATCHUPAMTINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-POSTEDREVNINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-DELTARECGDCOSTINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-POSTEDCOSTINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-UPTOCURPERIODFULFILLEDQTY sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNEFFECTIVEQUANTITY sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNPERPERIODFULFILLEDQTY sy-vline 
WA_PRASCHEDDSTCTITM_STR-PERFOBLGNDELTAINVOICEDQUANTITY sy-vline 
WA_PRASCHEDDSTCTITM_STR-RECOGNIZEDREVNUPTOCURPERDPCT sy-vline 
WA_PRASCHEDDSTCTITM_STR-FULFILLEDQTYUPTOCURPERDRATIO sy-vline 
WA_PRASCHEDDSTCTITM_STR-REVNACCTGSENDERCOMPONENT sy-vline 
WA_PRASCHEDDSTCTITM_STR-REVNACCTGOPERATIONALDOCUMENT sy-vline 
WA_PRASCHEDDSTCTITM_STR-RAOPERATIONALDOCUMENTITEM sy-vline 
WA_PRASCHEDDSTCTITM_STR-RANUMBEROFOPERATIONALDOCUMENT sy-vline 
WA_PRASCHEDDSTCTITM_STR-TOTALEFFECTIVEAMTINSLSDOCCRCY sy-vline 
WA_PRASCHEDDSTCTITM_STR-TOLRECOGNIZEDAMTPERPERD sy-vline 
WA_PRASCHEDDSTCTITM_STR-TOLRECGDAMTCATCHUPPERPERD sy-vline      INTO ld_text SEPARATED BY SPACE.

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