ABAP Select data from SAP table CLOITCYTM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CLOITCYTM
*  INTO TABLE @DATA(IT_CLOITCYTM2).
*--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_CLOITCYTM INDEX 1 INTO DATA(WA_CLOITCYTM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CLOITCYTM>-MSGFN = 1.
<CLOITCYTM>-XIDOC = 1.
<CLOITCYTM>-MANDT = 1.
<CLOITCYTM>-WERKS = 1.
<CLOITCYTM>-MATRIX_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CLOITCYTM-GROUP_FROM, sy-vline,
  WA_CLOITCYTM-GROUP_TO, sy-vline,
  WA_CLOITCYTM-SUBGR_FROM, sy-vline,
  WA_CLOITCYTM-SUBGR_TO, sy-vline,
  WA_CLOITCYTM-RUEST, sy-vline,
  WA_CLOITCYTM-RSTZE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CLOITCYTM 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_CLOITCYTM 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_CLOITCYTM INTO WA_CLOITCYTM.


*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 RSTZE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CLOITCYTM-RSTZE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLOITCYTM-RSTZE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE01
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CLOITCYTM-VGE01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLOITCYTM-VGE01.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PLNAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CLOITCYTM-PLNAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLOITCYTM-PLNAL.
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_CLOITCYTM_STR, 
MSGFN TYPE STRING,
XIDOC TYPE STRING,
MANDT TYPE STRING,
WERKS TYPE STRING,
MATRIX_ID TYPE STRING,
GROUP_FROM TYPE STRING,
GROUP_TO TYPE STRING,
SUBGR_FROM TYPE STRING,
SUBGR_TO TYPE STRING,
RUEST TYPE STRING,
RSTZE TYPE STRING,
RUEPROZ TYPE STRING,
VGW01 TYPE STRING,
VGE01 TYPE STRING,
VGWPROZ TYPE STRING,
RED_IND TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNAL TYPE STRING,
ROUT_EXIST TYPE STRING,
TRANSCOND TYPE STRING,
TRANSPRIO TYPE STRING,
APPL TYPE STRING,
INTRST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CLOITCYTM_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_CLOITCYTM_STR-MSGFN sy-vline 
WA_CLOITCYTM_STR-XIDOC sy-vline 
WA_CLOITCYTM_STR-MANDT sy-vline 
WA_CLOITCYTM_STR-WERKS sy-vline 
WA_CLOITCYTM_STR-MATRIX_ID sy-vline 
WA_CLOITCYTM_STR-GROUP_FROM sy-vline 
WA_CLOITCYTM_STR-GROUP_TO sy-vline 
WA_CLOITCYTM_STR-SUBGR_FROM sy-vline 
WA_CLOITCYTM_STR-SUBGR_TO sy-vline 
WA_CLOITCYTM_STR-RUEST sy-vline 
WA_CLOITCYTM_STR-RSTZE sy-vline 
WA_CLOITCYTM_STR-RUEPROZ sy-vline 
WA_CLOITCYTM_STR-VGW01 sy-vline 
WA_CLOITCYTM_STR-VGE01 sy-vline 
WA_CLOITCYTM_STR-VGWPROZ sy-vline 
WA_CLOITCYTM_STR-RED_IND sy-vline 
WA_CLOITCYTM_STR-PLNTY sy-vline 
WA_CLOITCYTM_STR-PLNNR sy-vline 
WA_CLOITCYTM_STR-PLNAL sy-vline 
WA_CLOITCYTM_STR-ROUT_EXIST sy-vline 
WA_CLOITCYTM_STR-TRANSCOND sy-vline 
WA_CLOITCYTM_STR-TRANSPRIO sy-vline 
WA_CLOITCYTM_STR-APPL sy-vline 
WA_CLOITCYTM_STR-INTRST sy-vline      INTO ld_text SEPARATED BY SPACE.

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