ABAP Select data from SAP table ICL_TICL143_WITH_DESCR_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_TICL143_WITH_DESCR_S 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 ICL_TICL143_WITH_DESCR_S. 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 ICL_TICL143_WITH_DESCR_S 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_ICL_TICL143_WITH_DESCR_S TYPE STANDARD TABLE OF ICL_TICL143_WITH_DESCR_S,
      WA_ICL_TICL143_WITH_DESCR_S TYPE ICL_TICL143_WITH_DESCR_S,
      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: <ICL_TICL143_WITH_DESCR_S> TYPE ICL_TICL143_WITH_DESCR_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ICL_TICL143_WITH_DESCR_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ICL_TICL143_WITH_DESCR_S
  INTO TABLE IT_ICL_TICL143_WITH_DESCR_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_TICL143_WITH_DESCR_S
*  INTO TABLE @DATA(IT_ICL_TICL143_WITH_DESCR_S2).
*--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_ICL_TICL143_WITH_DESCR_S INDEX 1 INTO DATA(WA_ICL_TICL143_WITH_DESCR_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ICL_TICL143_WITH_DESCR_S ASSIGNING <ICL_TICL143_WITH_DESCR_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_TICL143_WITH_DESCR_S>-CLIENT = 1.
<ICL_TICL143_WITH_DESCR_S>-CLTYPE = 1.
<ICL_TICL143_WITH_DESCR_S>-GENERAT = 1.
<ICL_TICL143_WITH_DESCR_S>-VERSION = 1.
<ICL_TICL143_WITH_DESCR_S>-SUBCLTYPE = 1.

ENDLOOP.

LOOP AT IT_ICL_TICL143_WITH_DESCR_S INTO WA_ICL_TICL143_WITH_DESCR_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_TICL143_WITH_DESCR_S-PDOCCAT, sy-vline,
  WA_ICL_TICL143_WITH_DESCR_S-PDOCCATTYPE, sy-vline,
  WA_ICL_TICL143_WITH_DESCR_S-XDEFAULT, sy-vline,
  WA_ICL_TICL143_WITH_DESCR_S-LANGU, sy-vline,
  WA_ICL_TICL143_WITH_DESCR_S-PDOCCATTYPEN, sy-vline,
  WA_ICL_TICL143_WITH_DESCR_S-PAYFREQPLAN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_TICL143_WITH_DESCR_S 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_ICL_TICL143_WITH_DESCR_S 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_ICL_TICL143_WITH_DESCR_S INTO WA_ICL_TICL143_WITH_DESCR_S.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_TICL143_WITH_DESCR_S-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_TICL143_WITH_DESCR_S-LANGU.
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_ICL_TICL143_WITH_DESCR_S_STR, 
CLIENT TYPE STRING,
CLTYPE TYPE STRING,
GENERAT TYPE STRING,
VERSION TYPE STRING,
SUBCLTYPE TYPE STRING,
PDOCCAT TYPE STRING,
PDOCCATTYPE TYPE STRING,
XDEFAULT TYPE STRING,
LANGU TYPE STRING,
PDOCCATTYPEN TYPE STRING,
PAYFREQPLAN TYPE STRING,
CORRECT_OPTION TYPE STRING,
CARRYOVER TYPE STRING,
PAYOUT_SCENARIO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_TICL143_WITH_DESCR_S_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_ICL_TICL143_WITH_DESCR_S_STR-CLIENT sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-CLTYPE sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-GENERAT sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-VERSION sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-SUBCLTYPE sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-PDOCCAT sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-PDOCCATTYPE sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-XDEFAULT sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-LANGU sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-PDOCCATTYPEN sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-PAYFREQPLAN sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-CORRECT_OPTION sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-CARRYOVER sy-vline 
WA_ICL_TICL143_WITH_DESCR_S_STR-PAYOUT_SCENARIO sy-vline      INTO ld_text SEPARATED BY SPACE.

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