ABAP Select data from SAP table ICL_TICL056_CURR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_TICL056_CURR 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_TICL056_CURR. 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_TICL056_CURR 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_TICL056_CURR TYPE STANDARD TABLE OF ICL_TICL056_CURR,
      WA_ICL_TICL056_CURR TYPE ICL_TICL056_CURR,
      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_TICL056_CURR> TYPE ICL_TICL056_CURR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ICL_TICL056_CURR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ICL_TICL056_CURR
  INTO TABLE IT_ICL_TICL056_CURR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_TICL056_CURR
*  INTO TABLE @DATA(IT_ICL_TICL056_CURR2).
*--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_TICL056_CURR INDEX 1 INTO DATA(WA_ICL_TICL056_CURR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ICL_TICL056_CURR ASSIGNING <ICL_TICL056_CURR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_TICL056_CURR>-CLIENT = 1.
<ICL_TICL056_CURR>-CLTYPE = 1.
<ICL_TICL056_CURR>-GENERAT = 1.
<ICL_TICL056_CURR>-VERSION = 1.
<ICL_TICL056_CURR>-SUBCLTYPE = 1.

ENDLOOP.

LOOP AT IT_ICL_TICL056_CURR INTO WA_ICL_TICL056_CURR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_TICL056_CURR-BENTYPE, sy-vline,
  WA_ICL_TICL056_CURR-XSELECT, sy-vline,
  WA_ICL_TICL056_CURR-XSELECP, sy-vline,
  WA_ICL_TICL056_CURR-XPDOCTYPE, sy-vline,
  WA_ICL_TICL056_CURR-RESTYPE, sy-vline,
  WA_ICL_TICL056_CURR-XRESLIMIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_TICL056_CURR 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_TICL056_CURR 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_TICL056_CURR INTO WA_ICL_TICL056_CURR.


*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 LIMUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICL_TICL056_CURR-LIMUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_TICL056_CURR-LIMUNIT.
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_TICL056_CURR_STR, 
CLIENT TYPE STRING,
CLTYPE TYPE STRING,
GENERAT TYPE STRING,
VERSION TYPE STRING,
SUBCLTYPE TYPE STRING,
BENTYPE TYPE STRING,
XSELECT TYPE STRING,
XSELECP TYPE STRING,
XPDOCTYPE TYPE STRING,
RESTYPE TYPE STRING,
XRESLIMIT TYPE STRING,
PBLEVEL TYPE STRING,
PBENTYPE TYPE STRING,
LPBLEVEL TYPE STRING,
LPBENTYPE TYPE STRING,
TREE TYPE STRING,
TREELEVEL TYPE STRING,
SEVERAL TYPE STRING,
XALWAYS TYPE STRING,
XPOLICY TYPE STRING,
CALCORDER TYPE STRING,
LIMITUNIT TYPE STRING,
LIMUNIT TYPE STRING,
XSUBRO TYPE STRING,
XCOINSURED TYPE STRING,
REJ_RULE TYPE STRING,
REJREASON TYPE STRING,
XTICL083 TYPE STRING,
XREGION TYPE STRING,
LIMDISP TYPE STRING,
PTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_TICL056_CURR_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_TICL056_CURR_STR-CLIENT sy-vline 
WA_ICL_TICL056_CURR_STR-CLTYPE sy-vline 
WA_ICL_TICL056_CURR_STR-GENERAT sy-vline 
WA_ICL_TICL056_CURR_STR-VERSION sy-vline 
WA_ICL_TICL056_CURR_STR-SUBCLTYPE sy-vline 
WA_ICL_TICL056_CURR_STR-BENTYPE sy-vline 
WA_ICL_TICL056_CURR_STR-XSELECT sy-vline 
WA_ICL_TICL056_CURR_STR-XSELECP sy-vline 
WA_ICL_TICL056_CURR_STR-XPDOCTYPE sy-vline 
WA_ICL_TICL056_CURR_STR-RESTYPE sy-vline 
WA_ICL_TICL056_CURR_STR-XRESLIMIT sy-vline 
WA_ICL_TICL056_CURR_STR-PBLEVEL sy-vline 
WA_ICL_TICL056_CURR_STR-PBENTYPE sy-vline 
WA_ICL_TICL056_CURR_STR-LPBLEVEL sy-vline 
WA_ICL_TICL056_CURR_STR-LPBENTYPE sy-vline 
WA_ICL_TICL056_CURR_STR-TREE sy-vline 
WA_ICL_TICL056_CURR_STR-TREELEVEL sy-vline 
WA_ICL_TICL056_CURR_STR-SEVERAL sy-vline 
WA_ICL_TICL056_CURR_STR-XALWAYS sy-vline 
WA_ICL_TICL056_CURR_STR-XPOLICY sy-vline 
WA_ICL_TICL056_CURR_STR-CALCORDER sy-vline 
WA_ICL_TICL056_CURR_STR-LIMITUNIT sy-vline 
WA_ICL_TICL056_CURR_STR-LIMUNIT sy-vline 
WA_ICL_TICL056_CURR_STR-XSUBRO sy-vline 
WA_ICL_TICL056_CURR_STR-XCOINSURED sy-vline 
WA_ICL_TICL056_CURR_STR-REJ_RULE sy-vline 
WA_ICL_TICL056_CURR_STR-REJREASON sy-vline 
WA_ICL_TICL056_CURR_STR-XTICL083 sy-vline 
WA_ICL_TICL056_CURR_STR-XREGION sy-vline 
WA_ICL_TICL056_CURR_STR-LIMDISP sy-vline 
WA_ICL_TICL056_CURR_STR-PTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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