ABAP Select data from SAP table ICL_POLS_LIM_DISP_DET_S_UI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_POLS_LIM_DISP_DET_S_UI 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_POLS_LIM_DISP_DET_S_UI. 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_POLS_LIM_DISP_DET_S_UI 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_POLS_LIM_DISP_DET_S_UI TYPE STANDARD TABLE OF ICL_POLS_LIM_DISP_DET_S_UI,
      WA_ICL_POLS_LIM_DISP_DET_S_UI TYPE ICL_POLS_LIM_DISP_DET_S_UI,
      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_POLS_LIM_DISP_DET_S_UI> TYPE ICL_POLS_LIM_DISP_DET_S_UI.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_POLS_LIM_DISP_DET_S_UI
*  INTO TABLE @DATA(IT_ICL_POLS_LIM_DISP_DET_S_UI2).
*--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_POLS_LIM_DISP_DET_S_UI INDEX 1 INTO DATA(WA_ICL_POLS_LIM_DISP_DET_S_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_POLS_LIM_DISP_DET_S_UI>-CLIENT = 1.
<ICL_POLS_LIM_DISP_DET_S_UI>-ACTIVE = 1.
<ICL_POLS_LIM_DISP_DET_S_UI>-CLAIM = 1.
<ICL_POLS_LIM_DISP_DET_S_UI>-POLVNR = 1.
<ICL_POLS_LIM_DISP_DET_S_UI>-COVERAGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_POLS_LIM_DISP_DET_S_UI-BENTYPE, sy-vline,
  WA_ICL_POLS_LIM_DISP_DET_S_UI-INSUREDOBJ, sy-vline,
  WA_ICL_POLS_LIM_DISP_DET_S_UI-PRIORITY, sy-vline,
  WA_ICL_POLS_LIM_DISP_DET_S_UI-BENTYPE_REF, sy-vline,
  WA_ICL_POLS_LIM_DISP_DET_S_UI-CMC_RULE, sy-vline,
  WA_ICL_POLS_LIM_DISP_DET_S_UI-LIMIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_POLS_LIM_DISP_DET_S_UI 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_POLS_LIM_DISP_DET_S_UI 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_POLS_LIM_DISP_DET_S_UI INTO WA_ICL_POLS_LIM_DISP_DET_S_UI.


*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 CLAIM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_POLS_LIM_DISP_DET_S_UI-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_POLS_LIM_DISP_DET_S_UI-CLAIM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTAM, internal->external for field CHANGETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_POLS_LIM_DISP_DET_S_UI-CHANGETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_POLS_LIM_DISP_DET_S_UI-CHANGETIME.
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_POLS_LIM_DISP_DET_S_UI_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
POLVNR TYPE STRING,
COVERAGE TYPE STRING,
BENTYPE TYPE STRING,
INSUREDOBJ TYPE STRING,
PRIORITY TYPE STRING,
BENTYPE_REF TYPE STRING,
CMC_RULE TYPE STRING,
LIMIT TYPE STRING,
LIMAMT TYPE STRING,
LIMUNIT TYPE STRING,
DEDUCTIBLE TYPE STRING,
DEDUCTAMOUNT TYPE STRING,
DEDUCTUNIT TYPE STRING,
XLIMIT TYPE STRING,
XLIMAMT TYPE STRING,
XDEDUC TYPE STRING,
XDEDAMT TYPE STRING,
REJREASON TYPE STRING,
DEDUCTPERC TYPE STRING,
SEVERAL TYPE STRING,
MODFTYPE TYPE STRING,
SEQUENCE TYPE STRING,
ASSIGN_GUID TYPE STRING,
TIMERESTRICT TYPE STRING,
XLIMITVALUE TYPE STRING,
RISKCURR_CD TYPE STRING,
BENTYPEN TYPE STRING,
RULENAME TYPE STRING,
REJREASONN TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
IMEMTABIX TYPE STRING,
DESCLN1 TYPE STRING,
LIMPRIORITY TYPE STRING,
CURR TYPE STRING,
CURR2 TYPE STRING,
CMC_RULE_DESCR TYPE STRING,
COVERAGEN TYPE STRING,
LIMUNIT_TXT TYPE STRING,
DEDUNIT_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_POLS_LIM_DISP_DET_S_UI_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_POLS_LIM_DISP_DET_S_UI_STR-CLIENT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-ACTIVE sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-CLAIM sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-POLVNR sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-COVERAGE sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-BENTYPE sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-INSUREDOBJ sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-PRIORITY sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-BENTYPE_REF sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-CMC_RULE sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-LIMIT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-LIMAMT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-LIMUNIT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-DEDUCTIBLE sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-DEDUCTAMOUNT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-DEDUCTUNIT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-XLIMIT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-XLIMAMT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-XDEDUC sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-XDEDAMT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-REJREASON sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-DEDUCTPERC sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-SEVERAL sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-MODFTYPE sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-SEQUENCE sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-ASSIGN_GUID sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-TIMERESTRICT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-XLIMITVALUE sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-RISKCURR_CD sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-BENTYPEN sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-RULENAME sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-REJREASONN sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-CHANGETIME sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-CHANGEDBY sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-DELETED sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-IMEMTABIX sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-DESCLN1 sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-LIMPRIORITY sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-CURR sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-CURR2 sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-CMC_RULE_DESCR sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-COVERAGEN sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-LIMUNIT_TXT sy-vline 
WA_ICL_POLS_LIM_DISP_DET_S_UI_STR-DEDUNIT_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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