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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/PI_CREATE_ITEM_INT
*  INTO TABLE @DATA(IT_/SCWM/PI_CREATE_ITEM_INT2).
*--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/PI_CREATE_ITEM_INT INDEX 1 INTO DATA(WA_/SCWM/PI_CREATE_ITEM_INT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/PI_CREATE_ITEM_INT>-ITEM_NO = 1.
</SCWM/PI_CREATE_ITEM_INT>-ITEM_GROUP = 1.
</SCWM/PI_CREATE_ITEM_INT>-COUNT_DATE = 1.
</SCWM/PI_CREATE_ITEM_INT>-BLOCK_IND = 1.
</SCWM/PI_CREATE_ITEM_INT>-FREEZE_IND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/PI_CREATE_ITEM_INT-REASON, sy-vline,
  WA_/SCWM/PI_CREATE_ITEM_INT-PRIORITY, sy-vline,
  WA_/SCWM/PI_CREATE_ITEM_INT-LOC_TYPE, sy-vline,
  WA_/SCWM/PI_CREATE_ITEM_INT-LGNUM, sy-vline,
  WA_/SCWM/PI_CREATE_ITEM_INT-LGTYP, sy-vline,
  WA_/SCWM/PI_CREATE_ITEM_INT-LGBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/PI_CREATE_ITEM_INT 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/PI_CREATE_ITEM_INT 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/PI_CREATE_ITEM_INT INTO WA_/SCWM/PI_CREATE_ITEM_INT.


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

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

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

*Conversion exit ALPHA, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/PI_CREATE_ITEM_INT-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/PI_CREATE_ITEM_INT-OWNER.
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/PI_CREATE_ITEM_INT_STR, 
ITEM_NO TYPE STRING,
ITEM_GROUP TYPE STRING,
COUNT_DATE TYPE STRING,
BLOCK_IND TYPE STRING,
FREEZE_IND TYPE STRING,
REASON TYPE STRING,
PRIORITY TYPE STRING,
LOC_TYPE TYPE STRING,
LGNUM TYPE STRING,
LGTYP TYPE STRING,
LGBER TYPE STRING,
LGPLA TYPE STRING,
RSRC TYPE STRING,
TU_NUM TYPE STRING,
MATNR TYPE STRING,
CHARG TYPE STRING,
CAT TYPE STRING,
ENTITLED TYPE STRING,
OWNER TYPE STRING,
STOCK_DOCCAT TYPE STRING,
STOCK_DOCNO TYPE STRING,
STOCK_ITMNO TYPE STRING,
STOCK_USAGE TYPE STRING,
STREF_DOCCAT TYPE STRING,
QDOCID TYPE STRING,
QITMID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/PI_CREATE_ITEM_INT_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/PI_CREATE_ITEM_INT_STR-ITEM_NO sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-ITEM_GROUP sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-COUNT_DATE sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-BLOCK_IND sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-FREEZE_IND sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-REASON sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-PRIORITY sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-LOC_TYPE sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-LGNUM sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-LGTYP sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-LGBER sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-LGPLA sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-RSRC sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-TU_NUM sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-MATNR sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-CHARG sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-CAT sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-ENTITLED sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-OWNER sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-STOCK_DOCCAT sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-STOCK_DOCNO sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-STOCK_ITMNO sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-STOCK_USAGE sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-STREF_DOCCAT sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-QDOCID sy-vline 
WA_/SCWM/PI_CREATE_ITEM_INT_STR-QITMID sy-vline      INTO ld_text SEPARATED BY SPACE.

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