ABAP Select data from SAP table IBDGTDOCITCMTTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBDGTDOCITCMTTP
*  INTO TABLE @DATA(IT_IBDGTDOCITCMTTP2).
*--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_IBDGTDOCITCMTTP INDEX 1 INTO DATA(WA_IBDGTDOCITCMTTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBDGTDOCITCMTTP>-MANDT = 1.
<IBDGTDOCITCMTTP>-FINANCIALMANAGEMENTAREA = 1.
<IBDGTDOCITCMTTP>-BUDGETDOCUMENTYEAR = 1.
<IBDGTDOCITCMTTP>-BUDGETENTRYDOCUMENT = 1.
<IBDGTDOCITCMTTP>-BUDGETENTRYDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBDGTDOCITCMTTP-BUDGETENTRYDOCITEMFOREDIT, sy-vline,
  WA_IBDGTDOCITCMTTP-FINANCIALMANAGEMENTAREAFOREDIT, sy-vline,
  WA_IBDGTDOCITCMTTP-INTERNALBUDGETINGPROCESS, sy-vline,
  WA_IBDGTDOCITCMTTP-BUDGETVALUETYPE, sy-vline,
  WA_IBDGTDOCITCMTTP-BUDGETTYPE, sy-vline,
  WA_IBDGTDOCITCMTTP-FINMGMTAREAFISCALYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBDGTDOCITCMTTP 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_IBDGTDOCITCMTTP 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_IBDGTDOCITCMTTP INTO WA_IBDGTDOCITCMTTP.


*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 BUDGETDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IBDGTDOCITCMTTP-BUDGETDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBDGTDOCITCMTTP-BUDGETDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit FMCIL, internal->external for field BUDGETEDCOMMITMENTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_IBDGTDOCITCMTTP-BUDGETEDCOMMITMENTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBDGTDOCITCMTTP-BUDGETEDCOMMITMENTITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUDGETEDGRANTID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBDGTDOCITCMTTP-BUDGETEDGRANTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBDGTDOCITCMTTP-BUDGETEDGRANTID.
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_IBDGTDOCITCMTTP_STR, 
MANDT TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
BUDGETDOCUMENTYEAR TYPE STRING,
BUDGETENTRYDOCUMENT TYPE STRING,
BUDGETENTRYDOCUMENTITEM TYPE STRING,
BUDGETENTRYDOCITEMFOREDIT TYPE STRING,
FINANCIALMANAGEMENTAREAFOREDIT TYPE STRING,
INTERNALBUDGETINGPROCESS TYPE STRING,
BUDGETVALUETYPE TYPE STRING,
BUDGETTYPE TYPE STRING,
FINMGMTAREAFISCALYEAR TYPE STRING,
BDGTCASHEFFECTIVITYFISCALYEAR TYPE STRING,
BUDGETEDFUND TYPE STRING,
BUDGETEDBUDGETPERIOD TYPE STRING,
BUDGETEDFUNDSCENTER TYPE STRING,
BUDGETEDCOMMITMENTITEM TYPE STRING,
BUDGETEDFUNCTIONALAREA TYPE STRING,
BUDGETEDFUNDEDPROGRAM TYPE STRING,
BUDGETEDGRANTID TYPE STRING,
FUNCTIONALAREASUBDIVISIONID TYPE STRING,
FUNCTIONALAREA1SUBDIVISION TYPE STRING,
FUNCTIONALAREA2SUBDIVISION TYPE STRING,
FUNCTIONALAREA3SUBDIVISION TYPE STRING,
FINANCIALMANAGEMENTAREACRCY TYPE STRING,
BUDGETAMOUNTINFMACRCY TYPE STRING,
BUDGETENTRYDOCITEMDESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBDGTDOCITCMTTP_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_IBDGTDOCITCMTTP_STR-MANDT sy-vline 
WA_IBDGTDOCITCMTTP_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETDOCUMENTYEAR sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETENTRYDOCUMENT sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETENTRYDOCUMENTITEM sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETENTRYDOCITEMFOREDIT sy-vline 
WA_IBDGTDOCITCMTTP_STR-FINANCIALMANAGEMENTAREAFOREDIT sy-vline 
WA_IBDGTDOCITCMTTP_STR-INTERNALBUDGETINGPROCESS sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETVALUETYPE sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETTYPE sy-vline 
WA_IBDGTDOCITCMTTP_STR-FINMGMTAREAFISCALYEAR sy-vline 
WA_IBDGTDOCITCMTTP_STR-BDGTCASHEFFECTIVITYFISCALYEAR sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETEDFUND sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETEDBUDGETPERIOD sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETEDFUNDSCENTER sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETEDCOMMITMENTITEM sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETEDFUNCTIONALAREA sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETEDFUNDEDPROGRAM sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETEDGRANTID sy-vline 
WA_IBDGTDOCITCMTTP_STR-FUNCTIONALAREASUBDIVISIONID sy-vline 
WA_IBDGTDOCITCMTTP_STR-FUNCTIONALAREA1SUBDIVISION sy-vline 
WA_IBDGTDOCITCMTTP_STR-FUNCTIONALAREA2SUBDIVISION sy-vline 
WA_IBDGTDOCITCMTTP_STR-FUNCTIONALAREA3SUBDIVISION sy-vline 
WA_IBDGTDOCITCMTTP_STR-FINANCIALMANAGEMENTAREACRCY sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETAMOUNTINFMACRCY sy-vline 
WA_IBDGTDOCITCMTTP_STR-BUDGETENTRYDOCITEMDESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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