ABAP Select data from SAP table ISCOMMITMENTITEMTP_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISCOMMITMENTITEMTP_D
*  INTO TABLE @DATA(IT_ISCOMMITMENTITEMTP_D2).
*--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_ISCOMMITMENTITEMTP_D INDEX 1 INTO DATA(WA_ISCOMMITMENTITEMTP_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISCOMMITMENTITEMTP_D>-FINANCIALMANAGEMENTAREA = 1.
<ISCOMMITMENTITEMTP_D>-FINMGMTAREAFISCALYEAR = 1.
<ISCOMMITMENTITEMTP_D>-COMMITMENTITEM = 1.
<ISCOMMITMENTITEMTP_D>-FINANCIALMANAGEMENTAREAFOREDIT = 1.
<ISCOMMITMENTITEMTP_D>-COMMITMENTITEMFOREDIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISCOMMITMENTITEMTP_D-FINMGMTAREAFISCALYEARFOREDIT, sy-vline,
  WA_ISCOMMITMENTITEMTP_D-COMMITMENTITEMINTERNALID, sy-vline,
  WA_ISCOMMITMENTITEMTP_D-COMMITMENTITEMSHORTID, sy-vline,
  WA_ISCOMMITMENTITEMTP_D-COMMITMENTITEMINTERNALNAME, sy-vline,
  WA_ISCOMMITMENTITEMTP_D-COMMITMENTITEMISPOSTINGENABLED, sy-vline,
  WA_ISCOMMITMENTITEMTP_D-CMTMTITMFINANCIALTRANSACTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISCOMMITMENTITEMTP_D 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_ISCOMMITMENTITEMTP_D 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_ISCOMMITMENTITEMTP_D INTO WA_ISCOMMITMENTITEMTP_D.


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

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

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

*Conversion exit GJAHR, internal->external for field FINMGMTAREAFISCALYEARFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ISCOMMITMENTITEMTP_D-FINMGMTAREAFISCALYEARFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISCOMMITMENTITEMTP_D-FINMGMTAREAFISCALYEARFOREDIT.
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_ISCOMMITMENTITEMTP_D_STR, 
FINANCIALMANAGEMENTAREA TYPE STRING,
FINMGMTAREAFISCALYEAR TYPE STRING,
COMMITMENTITEM TYPE STRING,
FINANCIALMANAGEMENTAREAFOREDIT TYPE STRING,
COMMITMENTITEMFOREDIT TYPE STRING,
FINMGMTAREAFISCALYEARFOREDIT TYPE STRING,
COMMITMENTITEMINTERNALID TYPE STRING,
COMMITMENTITEMSHORTID TYPE STRING,
COMMITMENTITEMINTERNALNAME TYPE STRING,
COMMITMENTITEMISPOSTINGENABLED TYPE STRING,
CMTMTITMFINANCIALTRANSACTION TYPE STRING,
COMMITMENTITEMCATEGORY TYPE STRING,
COMMITMENTITEMTYPE TYPE STRING,
PARENTCOMMITMENTITEM TYPE STRING,
FUNDSCENTER TYPE STRING,
CMTMTITMDEFAULTFUNDSCENTER TYPE STRING,
CMTMTITMCARRYFWDITMCATEGORY TYPE STRING,
COMMITMENTITEMISSTATISTICAL TYPE STRING,
COMMITMENTITEMAUTHZNGRP TYPE STRING,
CMTMTITEMFINMGMTAREAFORAUTHZN TYPE STRING,
VALIDITYENDDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
COMMITMENTITEMEXPIRATIONDATE TYPE STRING,
COMMITMENTITEMNAME TYPE STRING,
COMMITMENTITEMDESCRIPTION TYPE STRING,
COMMITMENTITEMDESCRIPTION2 TYPE STRING,
COMMITMENTITEMDESCRIPTION3 TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_FMCI_INCL_EEW_PS TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISCOMMITMENTITEMTP_D_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_ISCOMMITMENTITEMTP_D_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-FINMGMTAREAFISCALYEAR sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEM sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-FINANCIALMANAGEMENTAREAFOREDIT sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMFOREDIT sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-FINMGMTAREAFISCALYEARFOREDIT sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMINTERNALID sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMSHORTID sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMINTERNALNAME sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMISPOSTINGENABLED sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-CMTMTITMFINANCIALTRANSACTION sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMCATEGORY sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMTYPE sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-PARENTCOMMITMENTITEM sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-FUNDSCENTER sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-CMTMTITMDEFAULTFUNDSCENTER sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-CMTMTITMCARRYFWDITMCATEGORY sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMISSTATISTICAL sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMAUTHZNGRP sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-CMTMTITEMFINMGMTAREAFORAUTHZN sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-VALIDITYENDDATE sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-VALIDITYSTARTDATE sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMEXPIRATIONDATE sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMNAME sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMDESCRIPTION sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMDESCRIPTION2 sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-COMMITMENTITEMDESCRIPTION3 sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-CREATIONDATE sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-CREATEDBYUSER sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-HASACTIVEENTITY sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-DUMMY_FMCI_INCL_EEW_PS sy-vline 
WA_ISCOMMITMENTITEMTP_D_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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