ABAP Select data from SAP table /SCWM/S_PI_STATUS_LOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_PI_STATUS_LOC
*  INTO TABLE @DATA(IT_/SCWM/S_PI_STATUS_LOC2).
*--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_/SCWM/S_PI_STATUS_LOC INDEX 1 INTO DATA(WA_/SCWM/S_PI_STATUS_LOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_PI_STATUS_LOC>-AAREA = 1.
</SCWM/S_PI_STATUS_LOC>-LGPLA = 1.
</SCWM/S_PI_STATUS_LOC>-LGTYP = 1.
</SCWM/S_PI_STATUS_LOC>-GUID_DOC = 1.
</SCWM/S_PI_STATUS_LOC>-DOC_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_PI_STATUS_LOC-ITEM_NO, sy-vline,
  WA_/SCWM/S_PI_STATUS_LOC-DOC_YEAR, sy-vline,
  WA_/SCWM/S_PI_STATUS_LOC-COUNT_DATE, sy-vline,
  WA_/SCWM/S_PI_STATUS_LOC-COUNT_TIME, sy-vline,
  WA_/SCWM/S_PI_STATUS_LOC-DOC_STATUS, sy-vline,
  WA_/SCWM/S_PI_STATUS_LOC-DOC_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_PI_STATUS_LOC 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_/SCWM/S_PI_STATUS_LOC 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_/SCWM/S_PI_STATUS_LOC INTO WA_/SCWM/S_PI_STATUS_LOC.


*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 DOC_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PI_STATUS_LOC-DOC_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PI_STATUS_LOC-DOC_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field DOC_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PI_STATUS_LOC-DOC_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PI_STATUS_LOC-DOC_YEAR.
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_/SCWM/S_PI_STATUS_LOC_STR, 
AAREA TYPE STRING,
LGPLA TYPE STRING,
LGTYP TYPE STRING,
GUID_DOC TYPE STRING,
DOC_NUMBER TYPE STRING,
ITEM_NO TYPE STRING,
DOC_YEAR TYPE STRING,
COUNT_DATE TYPE STRING,
COUNT_TIME TYPE STRING,
DOC_STATUS TYPE STRING,
DOC_TYPE TYPE STRING,
LGBER TYPE STRING,
LPTYP TYPE STRING,
AISLE TYPE STRING,
STACK TYPE STRING,
LVL_V TYPE STRING,
COMPSTAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_PI_STATUS_LOC_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_/SCWM/S_PI_STATUS_LOC_STR-AAREA sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-LGPLA sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-LGTYP sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-GUID_DOC sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-DOC_NUMBER sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-ITEM_NO sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-DOC_YEAR sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-COUNT_DATE sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-COUNT_TIME sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-DOC_STATUS sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-DOC_TYPE sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-LGBER sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-LPTYP sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-AISLE sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-STACK sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-LVL_V sy-vline 
WA_/SCWM/S_PI_STATUS_LOC_STR-COMPSTAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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