ABAP Select data from SAP table ISPRODUCTEWMWD_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPRODUCTEWMWD_D
*  INTO TABLE @DATA(IT_ISPRODUCTEWMWD_D2).
*--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_ISPRODUCTEWMWD_D INDEX 1 INTO DATA(WA_ISPRODUCTEWMWD_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPRODUCTEWMWD_D>-PRODUCT = 1.
<ISPRODUCTEWMWD_D>-PRODUCTFOREDIT = 1.
<ISPRODUCTEWMWD_D>-HANDLINGINDICATOR = 1.
<ISPRODUCTEWMWD_D>-WAREHOUSEMATERIALGROUP = 1.
<ISPRODUCTEWMWD_D>-WAREHOUSESTORAGECONDITION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPRODUCTEWMWD_D-STANDARDHANDLINGUNITTYPE, sy-vline,
  WA_ISPRODUCTEWMWD_D-SERIALNUMBERPROFILE, sy-vline,
  WA_ISPRODUCTEWMWD_D-ADJUSTMENTPROFILE, sy-vline,
  WA_ISPRODUCTEWMWD_D-PREFERREDUNITOFMEASURE, sy-vline,
  WA_ISPRODUCTEWMWD_D-PILFERABLE, sy-vline,
  WA_ISPRODUCTEWMWD_D-RELEVANTFORHAZARDOUSSUBSTANCES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPRODUCTEWMWD_D 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_ISPRODUCTEWMWD_D 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_ISPRODUCTEWMWD_D INTO WA_ISPRODUCTEWMWD_D.


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

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

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

*Conversion exit CUNIT, internal->external for field TIMEUNITFORQUARANTINEPERIOD
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPRODUCTEWMWD_D-TIMEUNITFORQUARANTINEPERIOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPRODUCTEWMWD_D-TIMEUNITFORQUARANTINEPERIOD.
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_ISPRODUCTEWMWD_D_STR, 
PRODUCT TYPE STRING,
PRODUCTFOREDIT TYPE STRING,
HANDLINGINDICATOR TYPE STRING,
WAREHOUSEMATERIALGROUP TYPE STRING,
WAREHOUSESTORAGECONDITION TYPE STRING,
STANDARDHANDLINGUNITTYPE TYPE STRING,
SERIALNUMBERPROFILE TYPE STRING,
ADJUSTMENTPROFILE TYPE STRING,
PREFERREDUNITOFMEASURE TYPE STRING,
PILFERABLE TYPE STRING,
RELEVANTFORHAZARDOUSSUBSTANCES TYPE STRING,
QUARANTINEPERIOD TYPE STRING,
TIMEUNITFORQUARANTINEPERIOD TYPE STRING,
QUALITYINSPECTIONGROUP TYPE STRING,
HANDLINGUNITTYPE TYPE STRING,
VARIABLETAREWEIGHT TYPE STRING,
MAXIMUMPACKAGINGLENGTH TYPE STRING,
MAXIMUMPACKAGINGWIDTH TYPE STRING,
MAXIMUMPACKAGINGHEIGHT TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_PRD_INCL_EEW_PS TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPRODUCTEWMWD_D_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_ISPRODUCTEWMWD_D_STR-PRODUCT sy-vline 
WA_ISPRODUCTEWMWD_D_STR-PRODUCTFOREDIT sy-vline 
WA_ISPRODUCTEWMWD_D_STR-HANDLINGINDICATOR sy-vline 
WA_ISPRODUCTEWMWD_D_STR-WAREHOUSEMATERIALGROUP sy-vline 
WA_ISPRODUCTEWMWD_D_STR-WAREHOUSESTORAGECONDITION sy-vline 
WA_ISPRODUCTEWMWD_D_STR-STANDARDHANDLINGUNITTYPE sy-vline 
WA_ISPRODUCTEWMWD_D_STR-SERIALNUMBERPROFILE sy-vline 
WA_ISPRODUCTEWMWD_D_STR-ADJUSTMENTPROFILE sy-vline 
WA_ISPRODUCTEWMWD_D_STR-PREFERREDUNITOFMEASURE sy-vline 
WA_ISPRODUCTEWMWD_D_STR-PILFERABLE sy-vline 
WA_ISPRODUCTEWMWD_D_STR-RELEVANTFORHAZARDOUSSUBSTANCES sy-vline 
WA_ISPRODUCTEWMWD_D_STR-QUARANTINEPERIOD sy-vline 
WA_ISPRODUCTEWMWD_D_STR-TIMEUNITFORQUARANTINEPERIOD sy-vline 
WA_ISPRODUCTEWMWD_D_STR-QUALITYINSPECTIONGROUP sy-vline 
WA_ISPRODUCTEWMWD_D_STR-HANDLINGUNITTYPE sy-vline 
WA_ISPRODUCTEWMWD_D_STR-VARIABLETAREWEIGHT sy-vline 
WA_ISPRODUCTEWMWD_D_STR-MAXIMUMPACKAGINGLENGTH sy-vline 
WA_ISPRODUCTEWMWD_D_STR-MAXIMUMPACKAGINGWIDTH sy-vline 
WA_ISPRODUCTEWMWD_D_STR-MAXIMUMPACKAGINGHEIGHT sy-vline 
WA_ISPRODUCTEWMWD_D_STR-HASACTIVEENTITY sy-vline 
WA_ISPRODUCTEWMWD_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPRODUCTEWMWD_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPRODUCTEWMWD_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPRODUCTEWMWD_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPRODUCTEWMWD_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPRODUCTEWMWD_D_STR-DUMMY_PRD_INCL_EEW_PS sy-vline 
WA_ISPRODUCTEWMWD_D_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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