ABAP Select data from SAP table /WSOPT/C_PI_FUNCLOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /WSOPT/C_PI_FUNCLOC
*  INTO TABLE @DATA(IT_/WSOPT/C_PI_FUNCLOC2).
*--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_/WSOPT/C_PI_FUNCLOC INDEX 1 INTO DATA(WA_/WSOPT/C_PI_FUNCLOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</WSOPT/C_PI_FUNCLOC>-SAPID = 1.
</WSOPT/C_PI_FUNCLOC>-TPLNR = 1.
</WSOPT/C_PI_FUNCLOC>-STRNO = 1.
</WSOPT/C_PI_FUNCLOC>-PLANPLANT = 1.
</WSOPT/C_PI_FUNCLOC>-ARBPL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/WSOPT/C_PI_FUNCLOC-DESCRIPT, sy-vline,
  WA_/WSOPT/C_PI_FUNCLOC-OBJECTTYPE, sy-vline,
  WA_/WSOPT/C_PI_FUNCLOC-CONSTTYPE, sy-vline,
  WA_/WSOPT/C_PI_FUNCLOC-ADDRNUMBER, sy-vline,
  WA_/WSOPT/C_PI_FUNCLOC-NAME1, sy-vline,
  WA_/WSOPT/C_PI_FUNCLOC-NAME2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/WSOPT/C_PI_FUNCLOC 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_/WSOPT/C_PI_FUNCLOC 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_/WSOPT/C_PI_FUNCLOC INTO WA_/WSOPT/C_PI_FUNCLOC.


*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 TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_/WSOPT/C_PI_FUNCLOC-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/WSOPT/C_PI_FUNCLOC-TPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field CONSTTYPE
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/WSOPT/C_PI_FUNCLOC-CONSTTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/WSOPT/C_PI_FUNCLOC-CONSTTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDRNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/WSOPT/C_PI_FUNCLOC-ADDRNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/WSOPT/C_PI_FUNCLOC-ADDRNUMBER.
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_/WSOPT/C_PI_FUNCLOC_STR, 
SAPID TYPE STRING,
TPLNR TYPE STRING,
STRNO TYPE STRING,
PLANPLANT TYPE STRING,
ARBPL TYPE STRING,
DESCRIPT TYPE STRING,
OBJECTTYPE TYPE STRING,
CONSTTYPE TYPE STRING,
ADDRNUMBER TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
COUNTRY TYPE STRING,
POST_CODE1 TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM1 TYPE STRING,
ASSETTYPE TYPE STRING,
ASSETLIST TYPE STRING,
HISTORY TYPE STRING,
MEASPOINTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/WSOPT/C_PI_FUNCLOC_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_/WSOPT/C_PI_FUNCLOC_STR-SAPID sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-TPLNR sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-STRNO sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-PLANPLANT sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-ARBPL sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-DESCRIPT sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-OBJECTTYPE sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-CONSTTYPE sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-ADDRNUMBER sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-NAME1 sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-NAME2 sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-COUNTRY sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-POST_CODE1 sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-CITY1 sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-CITY2 sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-STREET sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-HOUSE_NUM1 sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-ASSETTYPE sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-ASSETLIST sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-HISTORY sy-vline 
WA_/WSOPT/C_PI_FUNCLOC_STR-MEASPOINTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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