ABAP Select data from SAP table WSPO_WD_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WSPO_WD_ITEM 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 WSPO_WD_ITEM. 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 WSPO_WD_ITEM 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_WSPO_WD_ITEM TYPE STANDARD TABLE OF WSPO_WD_ITEM,
      WA_WSPO_WD_ITEM TYPE WSPO_WD_ITEM,
      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: <WSPO_WD_ITEM> TYPE WSPO_WD_ITEM.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM WSPO_WD_ITEM
  INTO TABLE IT_WSPO_WD_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WSPO_WD_ITEM
*  INTO TABLE @DATA(IT_WSPO_WD_ITEM2).
*--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_WSPO_WD_ITEM INDEX 1 INTO DATA(WA_WSPO_WD_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_WSPO_WD_ITEM ASSIGNING <WSPO_WD_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WSPO_WD_ITEM>-PO_ITEM = 1.
<WSPO_WD_ITEM>-HL_ITEM = 1.
<WSPO_WD_ITEM>-DELETE_IND = 1.
<WSPO_WD_ITEM>-ITEM_CAT = 1.
<WSPO_WD_ITEM>-EXISTS_IN_DB = 1.

ENDLOOP.

LOOP AT IT_WSPO_WD_ITEM INTO WA_WSPO_WD_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WSPO_WD_ITEM-ITEM_CAT_DESCR, sy-vline,
  WA_WSPO_WD_ITEM-SI_CAT, sy-vline,
  WA_WSPO_WD_ITEM-RET_ITEM, sy-vline,
  WA_WSPO_WD_ITEM-NO_MORE_GR, sy-vline,
  WA_WSPO_WD_ITEM-MAT_KEY, sy-vline,
  WA_WSPO_WD_ITEM-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WSPO_WD_ITEM 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_WSPO_WD_ITEM 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_WSPO_WD_ITEM INTO WA_WSPO_WD_ITEM.


*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 MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_WSPO_WD_ITEM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WSPO_WD_ITEM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EAN11, internal->external for field EAN_UPC
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_WSPO_WD_ITEM-EAN_UPC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WSPO_WD_ITEM-EAN_UPC.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit EAN11, internal->external for field EAN_UPC_SLCT
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_WSPO_WD_ITEM-EAN_UPC_SLCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WSPO_WD_ITEM-EAN_UPC_SLCT.
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_WSPO_WD_ITEM_STR, 
PO_ITEM TYPE STRING,
HL_ITEM TYPE STRING,
DELETE_IND TYPE STRING,
ITEM_CAT TYPE STRING,
EXISTS_IN_DB TYPE STRING,
ITEM_CAT_DESCR TYPE STRING,
SI_CAT TYPE STRING,
RET_ITEM TYPE STRING,
NO_MORE_GR TYPE STRING,
MAT_KEY TYPE STRING,
MATERIAL TYPE STRING,
EAN_UPC TYPE STRING,
VEND_MAT TYPE STRING,
SHORT_TEXT TYPE STRING,
PLANT TYPE STRING,
PLANT_NAME1 TYPE STRING,
PLANT_CITY TYPE STRING,
QUANTITY TYPE STRING,
PO_UNIT TYPE STRING,
OVER_DLV_TOL TYPE STRING,
UNLIMITED_DLV TYPE STRING,
UNDER_DLV_TOL TYPE STRING,
DELIV_DATE TYPE STRING,
NET_VALUE TYPE STRING,
GROSS_VALUE TYPE STRING,
VALUE TYPE STRING,
CURRENCY TYPE STRING,
ORDER_REASON TYPE STRING,
ORDREA_DESCR TYPE STRING,
NUMB_SCHED_LINES TYPE STRING,
DOC_NUMBER_SD TYPE STRING,
ITM_NUMBER_SD TYPE STRING,
STATISTIC TYPE STRING,
SI_EXIST TYPE STRING,
GR_IND TYPE STRING,
IR_IND TYPE STRING,
FINAL_INV TYPE STRING,
EAN_UPC_SLCT TYPE STRING,
CELL_VARIANT_KEY TYPE STRING,
PO_ITEM_R TYPE STRING,
DELETE_IND_R TYPE STRING,
ITEM_CAT_R TYPE STRING,
RET_ITEM_R TYPE STRING,
NO_MORE_GR_R TYPE STRING,
MAT_KEY_R TYPE STRING,
MATERIAL_R TYPE STRING,
EAN_UPC_R TYPE STRING,
VEND_MAT_R TYPE STRING,
MAT_KEY_TYPED_IN_R TYPE STRING,
SHORT_TEXT_R TYPE STRING,
PLANT_R TYPE STRING,
QUANTITY_R TYPE STRING,
PO_UNIT_R TYPE STRING,
DELIV_DATE_R TYPE STRING,
NET_VALUE_R TYPE STRING,
GROSS_VALUE_R TYPE STRING,
VALUE_R TYPE STRING,
ORDER_REASON_R TYPE STRING,
DOC_NUMBER_SD_R TYPE STRING,
ITM_NUMBER_SD_R TYPE STRING,
PO_UNIT_VALUE_SET TYPE STRING,
LONG_TEXT TYPE STRING,
NET_VALUE_V TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WSPO_WD_ITEM_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_WSPO_WD_ITEM_STR-PO_ITEM sy-vline 
WA_WSPO_WD_ITEM_STR-HL_ITEM sy-vline 
WA_WSPO_WD_ITEM_STR-DELETE_IND sy-vline 
WA_WSPO_WD_ITEM_STR-ITEM_CAT sy-vline 
WA_WSPO_WD_ITEM_STR-EXISTS_IN_DB sy-vline 
WA_WSPO_WD_ITEM_STR-ITEM_CAT_DESCR sy-vline 
WA_WSPO_WD_ITEM_STR-SI_CAT sy-vline 
WA_WSPO_WD_ITEM_STR-RET_ITEM sy-vline 
WA_WSPO_WD_ITEM_STR-NO_MORE_GR sy-vline 
WA_WSPO_WD_ITEM_STR-MAT_KEY sy-vline 
WA_WSPO_WD_ITEM_STR-MATERIAL sy-vline 
WA_WSPO_WD_ITEM_STR-EAN_UPC sy-vline 
WA_WSPO_WD_ITEM_STR-VEND_MAT sy-vline 
WA_WSPO_WD_ITEM_STR-SHORT_TEXT sy-vline 
WA_WSPO_WD_ITEM_STR-PLANT sy-vline 
WA_WSPO_WD_ITEM_STR-PLANT_NAME1 sy-vline 
WA_WSPO_WD_ITEM_STR-PLANT_CITY sy-vline 
WA_WSPO_WD_ITEM_STR-QUANTITY sy-vline 
WA_WSPO_WD_ITEM_STR-PO_UNIT sy-vline 
WA_WSPO_WD_ITEM_STR-OVER_DLV_TOL sy-vline 
WA_WSPO_WD_ITEM_STR-UNLIMITED_DLV sy-vline 
WA_WSPO_WD_ITEM_STR-UNDER_DLV_TOL sy-vline 
WA_WSPO_WD_ITEM_STR-DELIV_DATE sy-vline 
WA_WSPO_WD_ITEM_STR-NET_VALUE sy-vline 
WA_WSPO_WD_ITEM_STR-GROSS_VALUE sy-vline 
WA_WSPO_WD_ITEM_STR-VALUE sy-vline 
WA_WSPO_WD_ITEM_STR-CURRENCY sy-vline 
WA_WSPO_WD_ITEM_STR-ORDER_REASON sy-vline 
WA_WSPO_WD_ITEM_STR-ORDREA_DESCR sy-vline 
WA_WSPO_WD_ITEM_STR-NUMB_SCHED_LINES sy-vline 
WA_WSPO_WD_ITEM_STR-DOC_NUMBER_SD sy-vline 
WA_WSPO_WD_ITEM_STR-ITM_NUMBER_SD sy-vline 
WA_WSPO_WD_ITEM_STR-STATISTIC sy-vline 
WA_WSPO_WD_ITEM_STR-SI_EXIST sy-vline 
WA_WSPO_WD_ITEM_STR-GR_IND sy-vline 
WA_WSPO_WD_ITEM_STR-IR_IND sy-vline 
WA_WSPO_WD_ITEM_STR-FINAL_INV sy-vline 
WA_WSPO_WD_ITEM_STR-EAN_UPC_SLCT sy-vline 
WA_WSPO_WD_ITEM_STR-CELL_VARIANT_KEY sy-vline 
WA_WSPO_WD_ITEM_STR-PO_ITEM_R sy-vline 
WA_WSPO_WD_ITEM_STR-DELETE_IND_R sy-vline 
WA_WSPO_WD_ITEM_STR-ITEM_CAT_R sy-vline 
WA_WSPO_WD_ITEM_STR-RET_ITEM_R sy-vline 
WA_WSPO_WD_ITEM_STR-NO_MORE_GR_R sy-vline 
WA_WSPO_WD_ITEM_STR-MAT_KEY_R sy-vline 
WA_WSPO_WD_ITEM_STR-MATERIAL_R sy-vline 
WA_WSPO_WD_ITEM_STR-EAN_UPC_R sy-vline 
WA_WSPO_WD_ITEM_STR-VEND_MAT_R sy-vline 
WA_WSPO_WD_ITEM_STR-MAT_KEY_TYPED_IN_R sy-vline 
WA_WSPO_WD_ITEM_STR-SHORT_TEXT_R sy-vline 
WA_WSPO_WD_ITEM_STR-PLANT_R sy-vline 
WA_WSPO_WD_ITEM_STR-QUANTITY_R sy-vline 
WA_WSPO_WD_ITEM_STR-PO_UNIT_R sy-vline 
WA_WSPO_WD_ITEM_STR-DELIV_DATE_R sy-vline 
WA_WSPO_WD_ITEM_STR-NET_VALUE_R sy-vline 
WA_WSPO_WD_ITEM_STR-GROSS_VALUE_R sy-vline 
WA_WSPO_WD_ITEM_STR-VALUE_R sy-vline 
WA_WSPO_WD_ITEM_STR-ORDER_REASON_R sy-vline 
WA_WSPO_WD_ITEM_STR-DOC_NUMBER_SD_R sy-vline 
WA_WSPO_WD_ITEM_STR-ITM_NUMBER_SD_R sy-vline 
WA_WSPO_WD_ITEM_STR-PO_UNIT_VALUE_SET sy-vline 
WA_WSPO_WD_ITEM_STR-LONG_TEXT sy-vline 
WA_WSPO_WD_ITEM_STR-NET_VALUE_V sy-vline      INTO ld_text SEPARATED BY SPACE.

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