ABAP Select data from SAP table IDITSR_DME into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDITSR_DME
*  INTO TABLE @DATA(IT_IDITSR_DME2).
*--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_IDITSR_DME INDEX 1 INTO DATA(WA_IDITSR_DME2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDITSR_DME>-IDITSR_OUTPUT = 1.
<IDITSR_DME>-BUKRS = 1.
<IDITSR_DME>-ITSR_ID = 1.
<IDITSR_DME>-ITSR_ID_F = 1.
<IDITSR_DME>-DECLDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDITSR_DME-FILENAME, sy-vline,
  WA_IDITSR_DME-ITSR_DOCTYPE, sy-vline,
  WA_IDITSR_DME-DECLPERIOD, sy-vline,
  WA_IDITSR_DME-COUNTRY, sy-vline,
  WA_IDITSR_DME-WAERS, sy-vline,
  WA_IDITSR_DME-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDITSR_DME 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_IDITSR_DME 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_IDITSR_DME INTO WA_IDITSR_DME.


*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 AC152, internal->external for field AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDITSR_DME-AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDITSR_DME-AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field NEG_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDITSR_DME-NEG_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDITSR_DME-NEG_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field POS_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDITSR_DME-POS_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDITSR_DME-POS_AMOUNT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDITSR_DME-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDITSR_DME-BELNR.
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_IDITSR_DME_STR, 
IDITSR_OUTPUT TYPE STRING,
BUKRS TYPE STRING,
ITSR_ID TYPE STRING,
ITSR_ID_F TYPE STRING,
DECLDATE TYPE STRING,
FILENAME TYPE STRING,
ITSR_DOCTYPE TYPE STRING,
DECLPERIOD TYPE STRING,
COUNTRY TYPE STRING,
WAERS TYPE STRING,
CURRENCY TYPE STRING,
POSITION_NUMBER TYPE STRING,
AMOUNT TYPE STRING,
NEG_AMOUNT TYPE STRING,
POS_AMOUNT TYPE STRING,
CONTACT_PERSON_F TYPE STRING,
CONTACT_PERSON_L TYPE STRING,
TELEPHONE TYPE STRING,
FAX TYPE STRING,
EMAIL TYPE STRING,
REFERENCE TYPE STRING,
REPORTING_QUAR TYPE STRING,
STCEG TYPE STRING,
STREET TYPE STRING,
POST_CODE1 TYPE STRING,
NAME1 TYPE STRING,
BUTXT TYPE STRING,
CITY1 TYPE STRING,
KOART TYPE STRING,
HKONT TYPE STRING,
TRANSFORM_RESPONSE TYPE STRING,
ITSR_VLTYPE TYPE STRING,
DECLTIME TYPE STRING,
CMP_NAME TYPE STRING,
HNUM_STREET TYPE STRING,
EMAIL_RECEIVER TYPE STRING,
NUMOFMESG TYPE STRING,
NUMDTLREC TYPE STRING,
SENSEOFTRN TYPE STRING,
PDATE TYPE STRING,
BELNR TYPE STRING,
BUDAT TYPE STRING,
SHKZG TYPE STRING,
IDITSR_FORMTYPE TYPE STRING,
REPORTING_TYPE TYPE STRING,
HWAER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDITSR_DME_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_IDITSR_DME_STR-IDITSR_OUTPUT sy-vline 
WA_IDITSR_DME_STR-BUKRS sy-vline 
WA_IDITSR_DME_STR-ITSR_ID sy-vline 
WA_IDITSR_DME_STR-ITSR_ID_F sy-vline 
WA_IDITSR_DME_STR-DECLDATE sy-vline 
WA_IDITSR_DME_STR-FILENAME sy-vline 
WA_IDITSR_DME_STR-ITSR_DOCTYPE sy-vline 
WA_IDITSR_DME_STR-DECLPERIOD sy-vline 
WA_IDITSR_DME_STR-COUNTRY sy-vline 
WA_IDITSR_DME_STR-WAERS sy-vline 
WA_IDITSR_DME_STR-CURRENCY sy-vline 
WA_IDITSR_DME_STR-POSITION_NUMBER sy-vline 
WA_IDITSR_DME_STR-AMOUNT sy-vline 
WA_IDITSR_DME_STR-NEG_AMOUNT sy-vline 
WA_IDITSR_DME_STR-POS_AMOUNT sy-vline 
WA_IDITSR_DME_STR-CONTACT_PERSON_F sy-vline 
WA_IDITSR_DME_STR-CONTACT_PERSON_L sy-vline 
WA_IDITSR_DME_STR-TELEPHONE sy-vline 
WA_IDITSR_DME_STR-FAX sy-vline 
WA_IDITSR_DME_STR-EMAIL sy-vline 
WA_IDITSR_DME_STR-REFERENCE sy-vline 
WA_IDITSR_DME_STR-REPORTING_QUAR sy-vline 
WA_IDITSR_DME_STR-STCEG sy-vline 
WA_IDITSR_DME_STR-STREET sy-vline 
WA_IDITSR_DME_STR-POST_CODE1 sy-vline 
WA_IDITSR_DME_STR-NAME1 sy-vline 
WA_IDITSR_DME_STR-BUTXT sy-vline 
WA_IDITSR_DME_STR-CITY1 sy-vline 
WA_IDITSR_DME_STR-KOART sy-vline 
WA_IDITSR_DME_STR-HKONT sy-vline 
WA_IDITSR_DME_STR-TRANSFORM_RESPONSE sy-vline 
WA_IDITSR_DME_STR-ITSR_VLTYPE sy-vline 
WA_IDITSR_DME_STR-DECLTIME sy-vline 
WA_IDITSR_DME_STR-CMP_NAME sy-vline 
WA_IDITSR_DME_STR-HNUM_STREET sy-vline 
WA_IDITSR_DME_STR-EMAIL_RECEIVER sy-vline 
WA_IDITSR_DME_STR-NUMOFMESG sy-vline 
WA_IDITSR_DME_STR-NUMDTLREC sy-vline 
WA_IDITSR_DME_STR-SENSEOFTRN sy-vline 
WA_IDITSR_DME_STR-PDATE sy-vline 
WA_IDITSR_DME_STR-BELNR sy-vline 
WA_IDITSR_DME_STR-BUDAT sy-vline 
WA_IDITSR_DME_STR-SHKZG sy-vline 
WA_IDITSR_DME_STR-IDITSR_FORMTYPE sy-vline 
WA_IDITSR_DME_STR-REPORTING_TYPE sy-vline 
WA_IDITSR_DME_STR-HWAER sy-vline      INTO ld_text SEPARATED BY SPACE.

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