ABAP Select data from SAP table /SAPCE/FKSI_STR_CASH_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPCE/FKSI_STR_CASH_ITEM
*  INTO TABLE @DATA(IT_/SAPCE/FKSI_STR_CASH_ITEM2).
*--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_/SAPCE/FKSI_STR_CASH_ITEM INDEX 1 INTO DATA(WA_/SAPCE/FKSI_STR_CASH_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPCE/FKSI_STR_CASH_ITEM>-STCEG = 1.
</SAPCE/FKSI_STR_CASH_ITEM>-XBLNR = 1.
</SAPCE/FKSI_STR_CASH_ITEM>-ULDAT = 1.
</SAPCE/FKSI_STR_CASH_ITEM>-BUKRS = 1.
</SAPCE/FKSI_STR_CASH_ITEM>-REGISTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPCE/FKSI_STR_CASH_ITEM-SNITEM, sy-vline,
  WA_/SAPCE/FKSI_STR_CASH_ITEM-DES_CODE, sy-vline,
  WA_/SAPCE/FKSI_STR_CASH_ITEM-GS_NAME, sy-vline,
  WA_/SAPCE/FKSI_STR_CASH_ITEM-GS_QUAN, sy-vline,
  WA_/SAPCE/FKSI_STR_CASH_ITEM-GS_UNIT, sy-vline,
  WA_/SAPCE/FKSI_STR_CASH_ITEM-PRICE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPCE/FKSI_STR_CASH_ITEM 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_/SAPCE/FKSI_STR_CASH_ITEM 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_/SAPCE/FKSI_STR_CASH_ITEM INTO WA_/SAPCE/FKSI_STR_CASH_ITEM.


*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_/SAPCE/FKSI_STR_CASH_ITEM_STR, 
STCEG TYPE STRING,
XBLNR TYPE STRING,
ULDAT TYPE STRING,
BUKRS TYPE STRING,
REGISTER TYPE STRING,
SNITEM TYPE STRING,
DES_CODE TYPE STRING,
GS_NAME TYPE STRING,
GS_QUAN TYPE STRING,
GS_UNIT TYPE STRING,
PRICE TYPE STRING,
SBETH_LOW TYPE STRING,
SBETH_RED2 TYPE STRING,
SBETH_HIGH TYPE STRING,
MODIF_SN TYPE STRING,
NOTES TYPE STRING,
BP_CODE TYPE STRING,
ELE_DEV_CODE TYPE STRING,
OFFICIAL_NUM TYPE STRING,
SELLER_TAXNUM TYPE STRING,
GEBTH_ALL TYPE STRING,
SBETH_FLAT TYPE STRING,
SBETH_EXCL TYPE STRING,
SBETH_EXEMPT TYPE STRING,
SBETH_REVERSE TYPE STRING,
SBETH_NONTAX TYPE STRING,
SBETH_SPEC TYPE STRING,
CHANGE_SN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPCE/FKSI_STR_CASH_ITEM_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_/SAPCE/FKSI_STR_CASH_ITEM_STR-STCEG sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-XBLNR sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-ULDAT sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-BUKRS sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-REGISTER sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SNITEM sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-DES_CODE sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-GS_NAME sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-GS_QUAN sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-GS_UNIT sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-PRICE sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_LOW sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_RED2 sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_HIGH sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-MODIF_SN sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-NOTES sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-BP_CODE sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-ELE_DEV_CODE sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-OFFICIAL_NUM sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SELLER_TAXNUM sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-GEBTH_ALL sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_FLAT sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_EXCL sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_EXEMPT sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_REVERSE sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_NONTAX sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-SBETH_SPEC sy-vline 
WA_/SAPCE/FKSI_STR_CASH_ITEM_STR-CHANGE_SN sy-vline      INTO ld_text SEPARATED BY SPACE.

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