ABAP Select data from SAP table /IBX/S_I_SLICE_IMP_CHNG_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /IBX/S_I_SLICE_IMP_CHNG_ALV 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 /IBX/S_I_SLICE_IMP_CHNG_ALV. 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 /IBX/S_I_SLICE_IMP_CHNG_ALV 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_/IBX/S_I_SLICE_IMP_CHNG_ALV TYPE STANDARD TABLE OF /IBX/S_I_SLICE_IMP_CHNG_ALV,
      WA_/IBX/S_I_SLICE_IMP_CHNG_ALV TYPE /IBX/S_I_SLICE_IMP_CHNG_ALV,
      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: </IBX/S_I_SLICE_IMP_CHNG_ALV> TYPE /IBX/S_I_SLICE_IMP_CHNG_ALV.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /IBX/S_I_SLICE_IMP_CHNG_ALV
  INTO TABLE IT_/IBX/S_I_SLICE_IMP_CHNG_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IBX/S_I_SLICE_IMP_CHNG_ALV
*  INTO TABLE @DATA(IT_/IBX/S_I_SLICE_IMP_CHNG_ALV2).
*--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_/IBX/S_I_SLICE_IMP_CHNG_ALV INDEX 1 INTO DATA(WA_/IBX/S_I_SLICE_IMP_CHNG_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/IBX/S_I_SLICE_IMP_CHNG_ALV ASSIGNING </IBX/S_I_SLICE_IMP_CHNG_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</IBX/S_I_SLICE_IMP_CHNG_ALV>-CLIENT = 1.
</IBX/S_I_SLICE_IMP_CHNG_ALV>-IMP_SLICE_ID = 1.
</IBX/S_I_SLICE_IMP_CHNG_ALV>-BEWME = 1.
</IBX/S_I_SLICE_IMP_CHNG_ALV>-VAL_DATE = 1.
</IBX/S_I_SLICE_IMP_CHNG_ALV>-SCENARIO_ID = 1.

ENDLOOP.

LOOP AT IT_/IBX/S_I_SLICE_IMP_CHNG_ALV INTO WA_/IBX/S_I_SLICE_IMP_CHNG_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IBX/S_I_SLICE_IMP_CHNG_ALV-BWAGR, sy-vline,
  WA_/IBX/S_I_SLICE_IMP_CHNG_ALV-MODID, sy-vline,
  WA_/IBX/S_I_SLICE_IMP_CHNG_ALV-LIBUE, sy-vline,
  WA_/IBX/S_I_SLICE_IMP_CHNG_ALV-VERTV, sy-vline,
  WA_/IBX/S_I_SLICE_IMP_CHNG_ALV-SLICE_COUNT, sy-vline,
  WA_/IBX/S_I_SLICE_IMP_CHNG_ALV-DATE_FROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IBX/S_I_SLICE_IMP_CHNG_ALV 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_/IBX/S_I_SLICE_IMP_CHNG_ALV 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_/IBX/S_I_SLICE_IMP_CHNG_ALV INTO WA_/IBX/S_I_SLICE_IMP_CHNG_ALV.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR, 
CLIENT TYPE STRING,
IMP_SLICE_ID TYPE STRING,
BEWME TYPE STRING,
VAL_DATE TYPE STRING,
SCENARIO_ID TYPE STRING,
BWAGR TYPE STRING,
MODID TYPE STRING,
LIBUE TYPE STRING,
VERTV TYPE STRING,
SLICE_COUNT TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
CURRENCY TYPE STRING,
EAD_AMT TYPE STRING,
LGD_RATE TYPE STRING,
PD_RATE TYPE STRING,
CCF_RATE TYPE STRING,
DISC_RATE TYPE STRING,
CHANGE_ID TYPE STRING,
IS_DELETED TYPE STRING,
HANDLE_STYLE TYPE STRING,
COUNT TYPE STRING,
LINECOLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_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_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-CLIENT sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-IMP_SLICE_ID sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-BEWME sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-VAL_DATE sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-SCENARIO_ID sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-BWAGR sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-MODID sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-LIBUE sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-VERTV sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-SLICE_COUNT sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-DATE_FROM sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-DATE_TO sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-CURRENCY sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-EAD_AMT sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-LGD_RATE sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-PD_RATE sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-CCF_RATE sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-DISC_RATE sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-CHANGE_ID sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-IS_DELETED sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-HANDLE_STYLE sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-COUNT sy-vline 
WA_/IBX/S_I_SLICE_IMP_CHNG_ALV_STR-LINECOLOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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