ABAP Select data from SAP table ICLE_MCB_CONT_COVERAGES_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICLE_MCB_CONT_COVERAGES_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 ICLE_MCB_CONT_COVERAGES_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 ICLE_MCB_CONT_COVERAGES_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_ICLE_MCB_CONT_COVERAGES_S TYPE STANDARD TABLE OF ICLE_MCB_CONT_COVERAGES_S,
      WA_ICLE_MCB_CONT_COVERAGES_S TYPE ICLE_MCB_CONT_COVERAGES_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: <ICLE_MCB_CONT_COVERAGES_S> TYPE ICLE_MCB_CONT_COVERAGES_S.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICLE_MCB_CONT_COVERAGES_S
*  INTO TABLE @DATA(IT_ICLE_MCB_CONT_COVERAGES_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_ICLE_MCB_CONT_COVERAGES_S INDEX 1 INTO DATA(WA_ICLE_MCB_CONT_COVERAGES_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICLE_MCB_CONT_COVERAGES_S>-SELECTED_COVERAGE = 1.
<ICLE_MCB_CONT_COVERAGES_S>-PROCESSED_COVERAGE = 1.
<ICLE_MCB_CONT_COVERAGES_S>-CONTRACTN = 1.
<ICLE_MCB_CONT_COVERAGES_S>-COVTYPEN = 1.
<ICLE_MCB_CONT_COVERAGES_S>-COVERAGES = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICLE_MCB_CONT_COVERAGES_S-XSELECT, sy-vline,
  WA_ICLE_MCB_CONT_COVERAGES_S-ASSIGN_GUID, sy-vline,
  WA_ICLE_MCB_CONT_COVERAGES_S-CONTRACT, sy-vline,
  WA_ICLE_MCB_CONT_COVERAGES_S-COVERAGE, sy-vline,
  WA_ICLE_MCB_CONT_COVERAGES_S-COVERAGEN, sy-vline,
  WA_ICLE_MCB_CONT_COVERAGES_S-COVTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICLE_MCB_CONT_COVERAGES_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_ICLE_MCB_CONT_COVERAGES_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_ICLE_MCB_CONT_COVERAGES_S INTO WA_ICLE_MCB_CONT_COVERAGES_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 ALPHA, internal->external for field CONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICLE_MCB_CONT_COVERAGES_S-CONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICLE_MCB_CONT_COVERAGES_S-CONTRACT.
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_ICLE_MCB_CONT_COVERAGES_S_STR, 
SELECTED_COVERAGE TYPE STRING,
PROCESSED_COVERAGE TYPE STRING,
CONTRACTN TYPE STRING,
COVTYPEN TYPE STRING,
COVERAGES TYPE STRING,
XSELECT TYPE STRING,
ASSIGN_GUID TYPE STRING,
CONTRACT TYPE STRING,
COVERAGE TYPE STRING,
COVERAGEN TYPE STRING,
COVTYPE TYPE STRING,
SUBCLTYPE TYPE STRING,
LOSSTYPE TYPE STRING,
PROFILE_EP_LEVEL TYPE STRING,
XWITHOUT_PRODUCT TYPE STRING,
COVBEG_DATE TYPE STRING,
COVEND_DATE TYPE STRING,
CCLDATE_DT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICLE_MCB_CONT_COVERAGES_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_ICLE_MCB_CONT_COVERAGES_S_STR-SELECTED_COVERAGE sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-PROCESSED_COVERAGE sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-CONTRACTN sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-COVTYPEN sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-COVERAGES sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-XSELECT sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-ASSIGN_GUID sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-CONTRACT sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-COVERAGE sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-COVERAGEN sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-COVTYPE sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-SUBCLTYPE sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-LOSSTYPE sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-PROFILE_EP_LEVEL sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-XWITHOUT_PRODUCT sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-COVBEG_DATE sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-COVEND_DATE sy-vline 
WA_ICLE_MCB_CONT_COVERAGES_S_STR-CCLDATE_DT sy-vline      INTO ld_text SEPARATED BY SPACE.

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