ABAP Select data from SAP table /PLMI/S_LBL_WWI_SYM_CO_DO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMI/S_LBL_WWI_SYM_CO_DO
*  INTO TABLE @DATA(IT_/PLMI/S_LBL_WWI_SYM_CO_DO2).
*--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_/PLMI/S_LBL_WWI_SYM_CO_DO INDEX 1 INTO DATA(WA_/PLMI/S_LBL_WWI_SYM_CO_DO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMI/S_LBL_WWI_SYM_CO_DO>-LABELID = 1.
</PLMI/S_LBL_WWI_SYM_CO_DO>-LISTCNT = 1.
</PLMI/S_LBL_WWI_SYM_CO_DO>-RDA_PROFILE = 1.
</PLMI/S_LBL_WWI_SYM_CO_DO>-DATA_SOURCE = 1.
</PLMI/S_LBL_WWI_SYM_CO_DO>-DATA_SOURCE_TXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMI/S_LBL_WWI_SYM_CO_DO-DATA_SOURCE_TYPE, sy-vline,
  WA_/PLMI/S_LBL_WWI_SYM_CO_DO-DATA_SOURCE_TYPE_TXT, sy-vline,
  WA_/PLMI/S_LBL_WWI_SYM_CO_DO-BASE_QTY, sy-vline,
  WA_/PLMI/S_LBL_WWI_SYM_CO_DO-UNIT_BASE_QTY, sy-vline,
  WA_/PLMI/S_LBL_WWI_SYM_CO_DO-MASTER_NO, sy-vline,
  WA_/PLMI/S_LBL_WWI_SYM_CO_DO-ITEMCNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMI/S_LBL_WWI_SYM_CO_DO 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_/PLMI/S_LBL_WWI_SYM_CO_DO 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_/PLMI/S_LBL_WWI_SYM_CO_DO INTO WA_/PLMI/S_LBL_WWI_SYM_CO_DO.


*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 LABELID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/S_LBL_WWI_SYM_CO_DO-LABELID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/S_LBL_WWI_SYM_CO_DO-LABELID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field UNIT_BASE_QTY_ALTER
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/S_LBL_WWI_SYM_CO_DO-UNIT_BASE_QTY_ALTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/S_LBL_WWI_SYM_CO_DO-UNIT_BASE_QTY_ALTER.
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_/PLMI/S_LBL_WWI_SYM_CO_DO_STR, 
LABELID TYPE STRING,
LISTCNT TYPE STRING,
RDA_PROFILE TYPE STRING,
DATA_SOURCE TYPE STRING,
DATA_SOURCE_TXT TYPE STRING,
DATA_SOURCE_TYPE TYPE STRING,
DATA_SOURCE_TYPE_TXT TYPE STRING,
BASE_QTY TYPE STRING,
UNIT_BASE_QTY TYPE STRING,
MASTER_NO TYPE STRING,
ITEMCNT TYPE STRING,
RDA_PROFILE_TXT TYPE STRING,
DATA_SOURCE_TOOLTIP TYPE STRING,
BASE_QTY_ALTER TYPE STRING,
UNIT_BASE_QTY_ALTER TYPE STRING,
SERVINGS_PER_PACK TYPE STRING,
RATING TYPE STRING,
RATING_TXT TYPE STRING,
VALIDITY_AREA TYPE STRING,
VALIDITY_AREA_TXT TYPE STRING,
USAGE TYPE STRING,
UNIT_BASE_QTY_TXT TYPE STRING,
UNIT_BASE_QTY_ALTER_TXT TYPE STRING,
DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMI/S_LBL_WWI_SYM_CO_DO_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_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-LABELID sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-LISTCNT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-RDA_PROFILE sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-DATA_SOURCE sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-DATA_SOURCE_TXT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-DATA_SOURCE_TYPE sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-DATA_SOURCE_TYPE_TXT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-BASE_QTY sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-UNIT_BASE_QTY sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-MASTER_NO sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-ITEMCNT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-RDA_PROFILE_TXT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-DATA_SOURCE_TOOLTIP sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-BASE_QTY_ALTER sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-UNIT_BASE_QTY_ALTER sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-SERVINGS_PER_PACK sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-RATING sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-RATING_TXT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-VALIDITY_AREA sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-VALIDITY_AREA_TXT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-USAGE sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-UNIT_BASE_QTY_TXT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-UNIT_BASE_QTY_ALTER_TXT sy-vline 
WA_/PLMI/S_LBL_WWI_SYM_CO_DO_STR-DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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