ABAP Select data from SAP table /SCWM/S_PI_MATID_ENT_AREA 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_MATID_ENT_AREA 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_MATID_ENT_AREA. 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_MATID_ENT_AREA 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_MATID_ENT_AREA TYPE STANDARD TABLE OF /SCWM/S_PI_MATID_ENT_AREA,
      WA_/SCWM/S_PI_MATID_ENT_AREA TYPE /SCWM/S_PI_MATID_ENT_AREA,
      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_MATID_ENT_AREA> TYPE /SCWM/S_PI_MATID_ENT_AREA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_PI_MATID_ENT_AREA
*  INTO TABLE @DATA(IT_/SCWM/S_PI_MATID_ENT_AREA2).
*--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_MATID_ENT_AREA INDEX 1 INTO DATA(WA_/SCWM/S_PI_MATID_ENT_AREA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_PI_MATID_ENT_AREA>-MATNR = 1.
</SCWM/S_PI_MATID_ENT_AREA>-CHARG = 1.
</SCWM/S_PI_MATID_ENT_AREA>-OWNER = 1.
</SCWM/S_PI_MATID_ENT_AREA>-OWNER_ROLE = 1.
</SCWM/S_PI_MATID_ENT_AREA>-GTIN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_PI_MATID_ENT_AREA-GTIN_VARIANT, sy-vline,
  WA_/SCWM/S_PI_MATID_ENT_AREA-CAT, sy-vline,
  WA_/SCWM/S_PI_MATID_ENT_AREA-STOCK_USAGE, sy-vline,
  WA_/SCWM/S_PI_MATID_ENT_AREA-SALES_ORD_STOCK, sy-vline,
  WA_/SCWM/S_PI_MATID_ENT_AREA-S_ORD_ITEM_STOCK, sy-vline,
  WA_/SCWM/S_PI_MATID_ENT_AREA-WBS_STOCK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_PI_MATID_ENT_AREA 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_MATID_ENT_AREA 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_MATID_ENT_AREA INTO WA_/SCWM/S_PI_MATID_ENT_AREA.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PI_MATID_ENT_AREA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PI_MATID_ENT_AREA-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PI_MATID_ENT_AREA-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PI_MATID_ENT_AREA-OWNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SALES_ORD_STOCK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PI_MATID_ENT_AREA-SALES_ORD_STOCK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PI_MATID_ENT_AREA-SALES_ORD_STOCK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field WBS_STOCK
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PI_MATID_ENT_AREA-WBS_STOCK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PI_MATID_ENT_AREA-WBS_STOCK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MDLPD, internal->external for field MATID
CALL FUNCTION 'CONVERSION_EXIT_MDLPD_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PI_MATID_ENT_AREA-MATID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PI_MATID_ENT_AREA-MATID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ENTITLED
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PI_MATID_ENT_AREA-ENTITLED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PI_MATID_ENT_AREA-ENTITLED.
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_MATID_ENT_AREA_STR, 
MATNR TYPE STRING,
CHARG TYPE STRING,
OWNER TYPE STRING,
OWNER_ROLE TYPE STRING,
GTIN TYPE STRING,
GTIN_VARIANT TYPE STRING,
CAT TYPE STRING,
STOCK_USAGE TYPE STRING,
SALES_ORD_STOCK TYPE STRING,
S_ORD_ITEM_STOCK TYPE STRING,
WBS_STOCK TYPE STRING,
VRSIOID TYPE STRING,
PRDID TYPE STRING,
APO_MATNR TYPE STRING,
LGNUM_STOCK TYPE STRING,
MATID TYPE STRING,
BATCHID TYPE STRING,
STOCK_DOCCAT TYPE STRING,
STOCK_DOCNO TYPE STRING,
STOCK_ITMNO TYPE STRING,
DOCCAT TYPE STRING,
ENTITLED TYPE STRING,
ENTITLED_ROLE TYPE STRING,
STOCK_CNT TYPE STRING,
INSPTYP TYPE STRING,
INSPID TYPE STRING,
IDPLATE TYPE STRING,
QDOCCAT TYPE STRING,
QDOCID TYPE STRING,
QITMID TYPE STRING,
GUID_AREA TYPE STRING,
VALIDITY_TIMSTMP TYPE STRING,
LGPLA TYPE STRING,
PI_CATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_PI_MATID_ENT_AREA_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_MATID_ENT_AREA_STR-MATNR sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-CHARG sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-OWNER sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-OWNER_ROLE sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-GTIN sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-GTIN_VARIANT sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-CAT sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-STOCK_USAGE sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-SALES_ORD_STOCK sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-S_ORD_ITEM_STOCK sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-WBS_STOCK sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-VRSIOID sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-PRDID sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-APO_MATNR sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-LGNUM_STOCK sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-MATID sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-BATCHID sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-STOCK_DOCCAT sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-STOCK_DOCNO sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-STOCK_ITMNO sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-DOCCAT sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-ENTITLED sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-ENTITLED_ROLE sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-STOCK_CNT sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-INSPTYP sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-INSPID sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-IDPLATE sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-QDOCCAT sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-QDOCID sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-QITMID sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-GUID_AREA sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-VALIDITY_TIMSTMP sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-LGPLA sy-vline 
WA_/SCWM/S_PI_MATID_ENT_AREA_STR-PI_CATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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