ABAP Select data from SAP table LEDSPD_SPLIT_QUANTITY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP LEDSPD_SPLIT_QUANTITY 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 LEDSPD_SPLIT_QUANTITY. 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 LEDSPD_SPLIT_QUANTITY 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_LEDSPD_SPLIT_QUANTITY TYPE STANDARD TABLE OF LEDSPD_SPLIT_QUANTITY,
      WA_LEDSPD_SPLIT_QUANTITY TYPE LEDSPD_SPLIT_QUANTITY,
      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: <LEDSPD_SPLIT_QUANTITY> TYPE LEDSPD_SPLIT_QUANTITY.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LEDSPD_SPLIT_QUANTITY
*  INTO TABLE @DATA(IT_LEDSPD_SPLIT_QUANTITY2).
*--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_LEDSPD_SPLIT_QUANTITY INDEX 1 INTO DATA(WA_LEDSPD_SPLIT_QUANTITY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LEDSPD_SPLIT_QUANTITY>-VBELN = 1.
<LEDSPD_SPLIT_QUANTITY>-POSNR = 1.
<LEDSPD_SPLIT_QUANTITY>-LFIMG = 1.
<LEDSPD_SPLIT_QUANTITY>-LGMNG = 1.
<LEDSPD_SPLIT_QUANTITY>-LFIMG_FLO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LEDSPD_SPLIT_QUANTITY-LGMNG_FLO, sy-vline,
  WA_LEDSPD_SPLIT_QUANTITY-UMVKZ, sy-vline,
  WA_LEDSPD_SPLIT_QUANTITY-UMVKN, sy-vline,
  WA_LEDSPD_SPLIT_QUANTITY-UMREV, sy-vline,
  WA_LEDSPD_SPLIT_QUANTITY-AKMNG, sy-vline,
  WA_LEDSPD_SPLIT_QUANTITY-VRKME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LEDSPD_SPLIT_QUANTITY 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_LEDSPD_SPLIT_QUANTITY 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_LEDSPD_SPLIT_QUANTITY INTO WA_LEDSPD_SPLIT_QUANTITY.


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

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

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

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

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LEDSPD_SPLIT_QUANTITY-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LEDSPD_SPLIT_QUANTITY-VOLEH.
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_LEDSPD_SPLIT_QUANTITY_STR, 
VBELN TYPE STRING,
POSNR TYPE STRING,
LFIMG TYPE STRING,
LGMNG TYPE STRING,
LFIMG_FLO TYPE STRING,
LGMNG_FLO TYPE STRING,
UMVKZ TYPE STRING,
UMVKN TYPE STRING,
UMREV TYPE STRING,
AKMNG TYPE STRING,
VRKME TYPE STRING,
MEINS TYPE STRING,
KZFME TYPE STRING,
BRGEW TYPE STRING,
NTGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LEDSPD_SPLIT_QUANTITY_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_LEDSPD_SPLIT_QUANTITY_STR-VBELN sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-POSNR sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-LFIMG sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-LGMNG sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-LFIMG_FLO sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-LGMNG_FLO sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-UMVKZ sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-UMVKN sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-UMREV sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-AKMNG sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-VRKME sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-MEINS sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-KZFME sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-BRGEW sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-NTGEW sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-GEWEI sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-VOLUM sy-vline 
WA_LEDSPD_SPLIT_QUANTITY_STR-VOLEH sy-vline      INTO ld_text SEPARATED BY SPACE.

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