ABAP Select data from SAP table CTOLITMDETLS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CTOLITMDETLS
*  INTO TABLE @DATA(IT_CTOLITMDETLS2).
*--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_CTOLITMDETLS INDEX 1 INTO DATA(WA_CTOLITMDETLS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CTOLITMDETLS>-MANDT = 1.
<CTOLITMDETLS>-ACMTOLERANCEHEADERUUID = 1.
<CTOLITMDETLS>-SEQUENCENUMBER = 1.
<CTOLITMDETLS>-ACMUNDERFILLOVERFILLDIRECTION = 1.
<CTOLITMDETLS>-ACMUNDERFILLOVERFILLDRCTNTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CTOLITMDETLS-ACMTOLITEMFROMPERCENTAGEVAL, sy-vline,
  WA_CTOLITMDETLS-ACMTOLITEMTOPERCENTAGEVAL, sy-vline,
  WA_CTOLITMDETLS-UNITOFMEASURE, sy-vline,
  WA_CTOLITMDETLS-ACMTRADINGCONTRACTTOLQUANTITY, sy-vline,
  WA_CTOLITMDETLS-TRADINGCONTRTOLERANCELIMITVAL, sy-vline,
  WA_CTOLITMDETLS-TRADINGCONTRTOLERANCELIMITTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CTOLITMDETLS 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_CTOLITMDETLS 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_CTOLITMDETLS INTO WA_CTOLITMDETLS.


*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 CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CTOLITMDETLS-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTOLITMDETLS-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_CTOLITMDETLS_STR, 
MANDT TYPE STRING,
ACMTOLERANCEHEADERUUID TYPE STRING,
SEQUENCENUMBER TYPE STRING,
ACMUNDERFILLOVERFILLDIRECTION TYPE STRING,
ACMUNDERFILLOVERFILLDRCTNTEXT TYPE STRING,
ACMTOLITEMFROMPERCENTAGEVAL TYPE STRING,
ACMTOLITEMTOPERCENTAGEVAL TYPE STRING,
UNITOFMEASURE TYPE STRING,
ACMTRADINGCONTRACTTOLQUANTITY TYPE STRING,
TRADINGCONTRTOLERANCELIMITVAL TYPE STRING,
TRADINGCONTRTOLERANCELIMITTEXT TYPE STRING,
ACMTOLITEMPRICEAPPLICATION TYPE STRING,
ACMTOLITEMPRICEAPPLICATIONTEXT TYPE STRING,
ACMREPLACEMENTPRICETYPE TYPE STRING,
ACMTOLITEMCONSUMPTIONRULE TYPE STRING,
TRADINGCONTRACTTYPE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DIVISION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CTOLITMDETLS_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_CTOLITMDETLS_STR-MANDT sy-vline 
WA_CTOLITMDETLS_STR-ACMTOLERANCEHEADERUUID sy-vline 
WA_CTOLITMDETLS_STR-SEQUENCENUMBER sy-vline 
WA_CTOLITMDETLS_STR-ACMUNDERFILLOVERFILLDIRECTION sy-vline 
WA_CTOLITMDETLS_STR-ACMUNDERFILLOVERFILLDRCTNTEXT sy-vline 
WA_CTOLITMDETLS_STR-ACMTOLITEMFROMPERCENTAGEVAL sy-vline 
WA_CTOLITMDETLS_STR-ACMTOLITEMTOPERCENTAGEVAL sy-vline 
WA_CTOLITMDETLS_STR-UNITOFMEASURE sy-vline 
WA_CTOLITMDETLS_STR-ACMTRADINGCONTRACTTOLQUANTITY sy-vline 
WA_CTOLITMDETLS_STR-TRADINGCONTRTOLERANCELIMITVAL sy-vline 
WA_CTOLITMDETLS_STR-TRADINGCONTRTOLERANCELIMITTEXT sy-vline 
WA_CTOLITMDETLS_STR-ACMTOLITEMPRICEAPPLICATION sy-vline 
WA_CTOLITMDETLS_STR-ACMTOLITEMPRICEAPPLICATIONTEXT sy-vline 
WA_CTOLITMDETLS_STR-ACMREPLACEMENTPRICETYPE sy-vline 
WA_CTOLITMDETLS_STR-ACMTOLITEMCONSUMPTIONRULE sy-vline 
WA_CTOLITMDETLS_STR-TRADINGCONTRACTTYPE sy-vline 
WA_CTOLITMDETLS_STR-SALESORGANIZATION sy-vline 
WA_CTOLITMDETLS_STR-DIVISION sy-vline 
WA_CTOLITMDETLS_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CTOLITMDETLS_STR-PURCHASINGGROUP sy-vline 
WA_CTOLITMDETLS_STR-PURCHASINGORGANIZATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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