ABAP Select data from SAP table CACTLNITMBYCOCE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CACTLNITMBYCOCE
*  INTO TABLE @DATA(IT_CACTLNITMBYCOCE2).
*--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_CACTLNITMBYCOCE INDEX 1 INTO DATA(WA_CACTLNITMBYCOCE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CACTLNITMBYCOCE>-MANDT = 1.
<CACTLNITMBYCOCE>-PURCHASINGDOCUMENT = 1.
<CACTLNITMBYCOCE>-CONTROLLINGAREA = 1.
<CACTLNITMBYCOCE>-COMPANYCODE = 1.
<CACTLNITMBYCOCE>-FISCALYEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CACTLNITMBYCOCE-FISCALPERIOD, sy-vline,
  WA_CACTLNITMBYCOCE-COSTCENTER, sy-vline,
  WA_CACTLNITMBYCOCE-VALIDITYENDDATE, sy-vline,
  WA_CACTLNITMBYCOCE-COSTELEMENT, sy-vline,
  WA_CACTLNITMBYCOCE-PURCHASINGDOCUMENTTYPE, sy-vline,
  WA_CACTLNITMBYCOCE-PURCHASINGDOCUMENTCATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CACTLNITMBYCOCE 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_CACTLNITMBYCOCE 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_CACTLNITMBYCOCE INTO WA_CACTLNITMBYCOCE.


*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_CACTLNITMBYCOCE-PURCHASINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACTLNITMBYCOCE-PURCHASINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SOURCELEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACTLNITMBYCOCE-SOURCELEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACTLNITMBYCOCE-SOURCELEDGER.
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_CACTLNITMBYCOCE_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALPERIOD TYPE STRING,
COSTCENTER TYPE STRING,
VALIDITYENDDATE TYPE STRING,
COSTELEMENT TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGER TYPE STRING,
SOURCELEDGER TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
POSTINGDATE TYPE STRING,
COSTCENTERNAME TYPE STRING,
PURCHASINGDOCUMENTNAME TYPE STRING,
ACTUALAMOUNTINDISPLAYCURRENCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
FISCALYEARVARIANT TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CACTLNITMBYCOCE_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_CACTLNITMBYCOCE_STR-MANDT sy-vline 
WA_CACTLNITMBYCOCE_STR-PURCHASINGDOCUMENT sy-vline 
WA_CACTLNITMBYCOCE_STR-CONTROLLINGAREA sy-vline 
WA_CACTLNITMBYCOCE_STR-COMPANYCODE sy-vline 
WA_CACTLNITMBYCOCE_STR-FISCALYEAR sy-vline 
WA_CACTLNITMBYCOCE_STR-FISCALPERIOD sy-vline 
WA_CACTLNITMBYCOCE_STR-COSTCENTER sy-vline 
WA_CACTLNITMBYCOCE_STR-VALIDITYENDDATE sy-vline 
WA_CACTLNITMBYCOCE_STR-COSTELEMENT sy-vline 
WA_CACTLNITMBYCOCE_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_CACTLNITMBYCOCE_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_CACTLNITMBYCOCE_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CACTLNITMBYCOCE_STR-LEDGER sy-vline 
WA_CACTLNITMBYCOCE_STR-SOURCELEDGER sy-vline 
WA_CACTLNITMBYCOCE_STR-LEDGERGLLINEITEM sy-vline 
WA_CACTLNITMBYCOCE_STR-POSTINGDATE sy-vline 
WA_CACTLNITMBYCOCE_STR-COSTCENTERNAME sy-vline 
WA_CACTLNITMBYCOCE_STR-PURCHASINGDOCUMENTNAME sy-vline 
WA_CACTLNITMBYCOCE_STR-ACTUALAMOUNTINDISPLAYCURRENCY sy-vline 
WA_CACTLNITMBYCOCE_STR-DISPLAYCURRENCY sy-vline 
WA_CACTLNITMBYCOCE_STR-VALIDITYSTARTDATE sy-vline 
WA_CACTLNITMBYCOCE_STR-FISCALYEARVARIANT sy-vline 
WA_CACTLNITMBYCOCE_STR-STARTDATE sy-vline 
WA_CACTLNITMBYCOCE_STR-ENDDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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