ABAP Select data from SAP table CLAYTIMEEVNTTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CLAYTIMEEVNTTP
*  INTO TABLE @DATA(IT_CLAYTIMEEVNTTP2).
*--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_CLAYTIMEEVNTTP INDEX 1 INTO DATA(WA_CLAYTIMEEVNTTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CLAYTIMEEVNTTP>-MANDT = 1.
<CLAYTIMEEVNTTP>-TRIPDOC = 1.
<CLAYTIMEEVNTTP>-TRIPDOCITEM = 1.
<CLAYTIMEEVNTTP>-TRIPEVENTNUMBER = 1.
<CLAYTIMEEVNTTP>-TRIPEVENTLINETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CLAYTIMEEVNTTP-EVENTOPTIMEPOINT, sy-vline,
  WA_CLAYTIMEEVNTTP-TRIPEVENTTYPE, sy-vline,
  WA_CLAYTIMEEVNTTP-EVENTWAIVETIME, sy-vline,
  WA_CLAYTIMEEVNTTP-TRIPEVENTRULE, sy-vline,
  WA_CLAYTIMEEVNTTP-PLANNEDSTARTDATETIME, sy-vline,
  WA_CLAYTIMEEVNTTP-PLANNEDENDDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CLAYTIMEEVNTTP 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_CLAYTIMEEVNTTP 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_CLAYTIMEEVNTTP INTO WA_CLAYTIMEEVNTTP.


*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 TRIPDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CLAYTIMEEVNTTP-TRIPDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLAYTIMEEVNTTP-TRIPDOC.
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_CLAYTIMEEVNTTP_STR, 
MANDT TYPE STRING,
TRIPDOC TYPE STRING,
TRIPDOCITEM TYPE STRING,
TRIPEVENTNUMBER TYPE STRING,
TRIPEVENTLINETYPE TYPE STRING,
EVENTOPTIMEPOINT TYPE STRING,
TRIPEVENTTYPE TYPE STRING,
EVENTWAIVETIME TYPE STRING,
TRIPEVENTRULE TYPE STRING,
PLANNEDSTARTDATETIME TYPE STRING,
PLANNEDENDDATETIME TYPE STRING,
ACTUALSTARTDATETIME TYPE STRING,
ACTUALENDDATETIME TYPE STRING,
REASONCODE TYPE STRING,
REASONCODEDESCRIPTION TYPE STRING,
TRIPEVTPLANNEDSTARTDATE TYPE STRING,
TRIPEVTPLANNEDSTARTTIME TYPE STRING,
TRIPEVTPLANNEDENDDATE TYPE STRING,
TRIPEVTPLANNEDENDTIME TYPE STRING,
TRIPEVTACTUALSTARTDATE TYPE STRING,
TRIPEVTACTUALSTARTTIME TYPE STRING,
TRIPEVTACTUALENDDATE TYPE STRING,
TRIPEVTACTUALENDTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CLAYTIMEEVNTTP_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_CLAYTIMEEVNTTP_STR-MANDT sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPDOC sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPDOCITEM sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVENTNUMBER sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVENTLINETYPE sy-vline 
WA_CLAYTIMEEVNTTP_STR-EVENTOPTIMEPOINT sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVENTTYPE sy-vline 
WA_CLAYTIMEEVNTTP_STR-EVENTWAIVETIME sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVENTRULE sy-vline 
WA_CLAYTIMEEVNTTP_STR-PLANNEDSTARTDATETIME sy-vline 
WA_CLAYTIMEEVNTTP_STR-PLANNEDENDDATETIME sy-vline 
WA_CLAYTIMEEVNTTP_STR-ACTUALSTARTDATETIME sy-vline 
WA_CLAYTIMEEVNTTP_STR-ACTUALENDDATETIME sy-vline 
WA_CLAYTIMEEVNTTP_STR-REASONCODE sy-vline 
WA_CLAYTIMEEVNTTP_STR-REASONCODEDESCRIPTION sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVTPLANNEDSTARTDATE sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVTPLANNEDSTARTTIME sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVTPLANNEDENDDATE sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVTPLANNEDENDTIME sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVTACTUALSTARTDATE sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVTACTUALSTARTTIME sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVTACTUALENDDATE sy-vline 
WA_CLAYTIMEEVNTTP_STR-TRIPEVTACTUALENDTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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