ABAP Select data from SAP table PFICOCMTMTITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFICOCMTMTITM
*  INTO TABLE @DATA(IT_PFICOCMTMTITM2).
*--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_PFICOCMTMTITM INDEX 1 INTO DATA(WA_PFICOCMTMTITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFICOCMTMTITM>-MANDT = 1.
<PFICOCMTMTITM>-PURCHASINGDOCUMENT = 1.
<PFICOCMTMTITM>-PURCHASINGDOCUMENTITEM = 1.
<PFICOCMTMTITM>-CONTROLLINGCOMMITMENTCATEGORY = 1.
<PFICOCMTMTITM>-COSTCENTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFICOCMTMTITM-FISCALYEAR, sy-vline,
  WA_PFICOCMTMTITM-CONTROLLINGVALUETYPE, sy-vline,
  WA_PFICOCMTMTITM-FISCALPERIOD, sy-vline,
  WA_PFICOCMTMTITM-COSTELEMENT, sy-vline,
  WA_PFICOCMTMTITM-COMPANYCODE, sy-vline,
  WA_PFICOCMTMTITM-CONTROLLINGAREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFICOCMTMTITM 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_PFICOCMTMTITM 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_PFICOCMTMTITM INTO WA_PFICOCMTMTITM.


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

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

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

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

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

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

*Conversion exit BEKNZ, internal->external for field DEBITCREDITCODE
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_PFICOCMTMTITM-DEBITCREDITCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFICOCMTMTITM-DEBITCREDITCODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PFICOCMTMTITM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFICOCMTMTITM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PFICOCMTMTITM-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFICOCMTMTITM-UNITOFMEASURE.
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_PFICOCMTMTITM_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
CONTROLLINGCOMMITMENTCATEGORY TYPE STRING,
COSTCENTER TYPE STRING,
FISCALYEAR TYPE STRING,
CONTROLLINGVALUETYPE TYPE STRING,
FISCALPERIOD TYPE STRING,
COSTELEMENT TYPE STRING,
COMPANYCODE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COMMITMENTDOCUMENTTYPE TYPE STRING,
SUPPLIER TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
FISCALYEARVARIANT TYPE STRING,
DEBITCREDITCODE TYPE STRING,
CONTROLLINGOBJECT TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
FISCALPERIODSTARTDATE TYPE STRING,
FISCALPERIODENDDATE TYPE STRING,
MATERIAL TYPE STRING,
UNITOFMEASURE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CONTROLLINGAREACURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TOTALQUANTITY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
AMOUNTINCTRLGAREACRCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFICOCMTMTITM_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_PFICOCMTMTITM_STR-MANDT sy-vline 
WA_PFICOCMTMTITM_STR-PURCHASINGDOCUMENT sy-vline 
WA_PFICOCMTMTITM_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PFICOCMTMTITM_STR-CONTROLLINGCOMMITMENTCATEGORY sy-vline 
WA_PFICOCMTMTITM_STR-COSTCENTER sy-vline 
WA_PFICOCMTMTITM_STR-FISCALYEAR sy-vline 
WA_PFICOCMTMTITM_STR-CONTROLLINGVALUETYPE sy-vline 
WA_PFICOCMTMTITM_STR-FISCALPERIOD sy-vline 
WA_PFICOCMTMTITM_STR-COSTELEMENT sy-vline 
WA_PFICOCMTMTITM_STR-COMPANYCODE sy-vline 
WA_PFICOCMTMTITM_STR-CONTROLLINGAREA sy-vline 
WA_PFICOCMTMTITM_STR-COMMITMENTDOCUMENTTYPE sy-vline 
WA_PFICOCMTMTITM_STR-SUPPLIER sy-vline 
WA_PFICOCMTMTITM_STR-VALIDITYSTARTDATE sy-vline 
WA_PFICOCMTMTITM_STR-VALIDITYENDDATE sy-vline 
WA_PFICOCMTMTITM_STR-FISCALYEARVARIANT sy-vline 
WA_PFICOCMTMTITM_STR-DEBITCREDITCODE sy-vline 
WA_PFICOCMTMTITM_STR-CONTROLLINGOBJECT sy-vline 
WA_PFICOCMTMTITM_STR-CHARTOFACCOUNTS sy-vline 
WA_PFICOCMTMTITM_STR-DOCUMENTDATE sy-vline 
WA_PFICOCMTMTITM_STR-POSTINGDATE sy-vline 
WA_PFICOCMTMTITM_STR-FISCALPERIODSTARTDATE sy-vline 
WA_PFICOCMTMTITM_STR-FISCALPERIODENDDATE sy-vline 
WA_PFICOCMTMTITM_STR-MATERIAL sy-vline 
WA_PFICOCMTMTITM_STR-UNITOFMEASURE sy-vline 
WA_PFICOCMTMTITM_STR-TRANSACTIONCURRENCY sy-vline 
WA_PFICOCMTMTITM_STR-CONTROLLINGAREACURRENCY sy-vline 
WA_PFICOCMTMTITM_STR-COMPANYCODECURRENCY sy-vline 
WA_PFICOCMTMTITM_STR-TOTALQUANTITY sy-vline 
WA_PFICOCMTMTITM_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_PFICOCMTMTITM_STR-AMOUNTINCTRLGAREACRCY sy-vline 
WA_PFICOCMTMTITM_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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