ABAP Select data from SAP table IPRDEWMWRHS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPRDEWMWRHS
*  INTO TABLE @DATA(IT_IPRDEWMWRHS2).
*--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_IPRDEWMWRHS INDEX 1 INTO DATA(WA_IPRDEWMWRHS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPRDEWMWRHS>-MANDT = 1.
<IPRDEWMWRHS>-PRODUCTUUID = 1.
<IPRDEWMWRHS>-SUPPLYCHAINUNITUUID = 1.
<IPRDEWMWRHS>-BUSINESSPARTNERUUID = 1.
<IPRDEWMWRHS>-PRODUCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPRDEWMWRHS-BUSINESSPARTNER, sy-vline,
  WA_IPRDEWMWRHS-WAREHOUSE, sy-vline,
  WA_IPRDEWMWRHS-EWMPRODUCTPROCESSBLOCKPROFILE, sy-vline,
  WA_IPRDEWMWRHS-EWMWAREHOUSEPROCESSTYPE, sy-vline,
  WA_IPRDEWMWRHS-EWMPRODUCTLOADCATEGORY, sy-vline,
  WA_IPRDEWMWRHS-EWMPHYSINVENTORYCOUNTINGCYCLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPRDEWMWRHS 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_IPRDEWMWRHS 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_IPRDEWMWRHS INTO WA_IPRDEWMWRHS.


*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_IPRDEWMWRHS-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPRDEWMWRHS-PRODUCT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field PREFERREDUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IPRDEWMWRHS-PREFERREDUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPRDEWMWRHS-PREFERREDUNITOFMEASURE.
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_IPRDEWMWRHS_STR, 
MANDT TYPE STRING,
PRODUCTUUID TYPE STRING,
SUPPLYCHAINUNITUUID TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,
PRODUCT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
WAREHOUSE TYPE STRING,
EWMPRODUCTPROCESSBLOCKPROFILE TYPE STRING,
EWMWAREHOUSEPROCESSTYPE TYPE STRING,
EWMPRODUCTLOADCATEGORY TYPE STRING,
EWMPHYSINVENTORYCOUNTINGCYCLE TYPE STRING,
REQUIREDMINSHELFLIFE TYPE STRING,
EWMPRODBACKFLUSHWTHDRWLMETHOD TYPE STRING,
EWMKITQUANTITYCORRELATION TYPE STRING,
EWMISCNSMPNRLVTFORVALADDEDSRVC TYPE STRING,
ADJUSTMENTPROFILE TYPE STRING,
EWMMRCHDSDISTRQTYCLASSFCTN TYPE STRING,
PREFERREDUNITOFMEASURE TYPE STRING,
EWMQUALITYINSPECTIONGROUP TYPE STRING,
EWMPTWYCONTROLSTRATEGY TYPE STRING,
STORAGEBINTYPE TYPE STRING,
PRODUCTBULKSTORAGEMETHOD TYPE STRING,
EWMSTORAGESECTIONMETHOD TYPE STRING,
EWMSTOCKREMOVALCONTROLSTRATEGY TYPE STRING,
EWMSTOCKDETERMINATIONGROUP TYPE STRING,
PRODISRLVTFORTWOSTEPPICKING TYPE STRING,
EWMSTGGAREADETERMINATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPRDEWMWRHS_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_IPRDEWMWRHS_STR-MANDT sy-vline 
WA_IPRDEWMWRHS_STR-PRODUCTUUID sy-vline 
WA_IPRDEWMWRHS_STR-SUPPLYCHAINUNITUUID sy-vline 
WA_IPRDEWMWRHS_STR-BUSINESSPARTNERUUID sy-vline 
WA_IPRDEWMWRHS_STR-PRODUCT sy-vline 
WA_IPRDEWMWRHS_STR-BUSINESSPARTNER sy-vline 
WA_IPRDEWMWRHS_STR-WAREHOUSE sy-vline 
WA_IPRDEWMWRHS_STR-EWMPRODUCTPROCESSBLOCKPROFILE sy-vline 
WA_IPRDEWMWRHS_STR-EWMWAREHOUSEPROCESSTYPE sy-vline 
WA_IPRDEWMWRHS_STR-EWMPRODUCTLOADCATEGORY sy-vline 
WA_IPRDEWMWRHS_STR-EWMPHYSINVENTORYCOUNTINGCYCLE sy-vline 
WA_IPRDEWMWRHS_STR-REQUIREDMINSHELFLIFE sy-vline 
WA_IPRDEWMWRHS_STR-EWMPRODBACKFLUSHWTHDRWLMETHOD sy-vline 
WA_IPRDEWMWRHS_STR-EWMKITQUANTITYCORRELATION sy-vline 
WA_IPRDEWMWRHS_STR-EWMISCNSMPNRLVTFORVALADDEDSRVC sy-vline 
WA_IPRDEWMWRHS_STR-ADJUSTMENTPROFILE sy-vline 
WA_IPRDEWMWRHS_STR-EWMMRCHDSDISTRQTYCLASSFCTN sy-vline 
WA_IPRDEWMWRHS_STR-PREFERREDUNITOFMEASURE sy-vline 
WA_IPRDEWMWRHS_STR-EWMQUALITYINSPECTIONGROUP sy-vline 
WA_IPRDEWMWRHS_STR-EWMPTWYCONTROLSTRATEGY sy-vline 
WA_IPRDEWMWRHS_STR-STORAGEBINTYPE sy-vline 
WA_IPRDEWMWRHS_STR-PRODUCTBULKSTORAGEMETHOD sy-vline 
WA_IPRDEWMWRHS_STR-EWMSTORAGESECTIONMETHOD sy-vline 
WA_IPRDEWMWRHS_STR-EWMSTOCKREMOVALCONTROLSTRATEGY sy-vline 
WA_IPRDEWMWRHS_STR-EWMSTOCKDETERMINATIONGROUP sy-vline 
WA_IPRDEWMWRHS_STR-PRODISRLVTFORTWOSTEPPICKING sy-vline 
WA_IPRDEWMWRHS_STR-EWMSTGGAREADETERMINATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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