ABAP Select data from SAP table PPOITMOVW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPOITMOVW
*  INTO TABLE @DATA(IT_PPOITMOVW2).
*--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_PPOITMOVW INDEX 1 INTO DATA(WA_PPOITMOVW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPOITMOVW>-MANDT = 1.
<PPOITMOVW>-PURCHASEORDER = 1.
<PPOITMOVW>-PURCHASEORDERITEM = 1.
<PPOITMOVW>-SUPPLIER = 1.
<PPOITMOVW>-SUPPLIERNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPOITMOVW-MATERIALGROUP, sy-vline,
  WA_PPOITMOVW-PURCHASINGGROUP, sy-vline,
  WA_PPOITMOVW-PLANT, sy-vline,
  WA_PPOITMOVW-OBJECTTYPE, sy-vline,
  WA_PPOITMOVW-MATERIAL, sy-vline,
  WA_PPOITMOVW-PURCHASINGORGANIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPOITMOVW 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_PPOITMOVW 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_PPOITMOVW INTO WA_PPOITMOVW.


*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 PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITMOVW-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITMOVW-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PURCHASINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITMOVW-PURCHASINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITMOVW-PURCHASINGDOCUMENT.
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_PPOITMOVW_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
MATERIALGROUP TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PLANT TYPE STRING,
OBJECTTYPE TYPE STRING,
MATERIAL TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
SERVICEPERFORMER TYPE STRING,
COSTCENTER TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
PURCHASEORDERITEMTEXT TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
WORKITEM TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURGDOCEXTERNALITEMCATEGORY TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
DELIVERYDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPOITMOVW_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_PPOITMOVW_STR-MANDT sy-vline 
WA_PPOITMOVW_STR-PURCHASEORDER sy-vline 
WA_PPOITMOVW_STR-PURCHASEORDERITEM sy-vline 
WA_PPOITMOVW_STR-SUPPLIER sy-vline 
WA_PPOITMOVW_STR-SUPPLIERNAME sy-vline 
WA_PPOITMOVW_STR-MATERIALGROUP sy-vline 
WA_PPOITMOVW_STR-PURCHASINGGROUP sy-vline 
WA_PPOITMOVW_STR-PLANT sy-vline 
WA_PPOITMOVW_STR-OBJECTTYPE sy-vline 
WA_PPOITMOVW_STR-MATERIAL sy-vline 
WA_PPOITMOVW_STR-PURCHASINGORGANIZATION sy-vline 
WA_PPOITMOVW_STR-SERVICEPERFORMER sy-vline 
WA_PPOITMOVW_STR-COSTCENTER sy-vline 
WA_PPOITMOVW_STR-PURCHASINGDOCUMENT sy-vline 
WA_PPOITMOVW_STR-SUPPLYINGPLANT sy-vline 
WA_PPOITMOVW_STR-PURCHASEORDERITEMTEXT sy-vline 
WA_PPOITMOVW_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PPOITMOVW_STR-WORKITEM sy-vline 
WA_PPOITMOVW_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_PPOITMOVW_STR-PURGDOCEXTERNALITEMCATEGORY sy-vline 
WA_PPOITMOVW_STR-PURCHASEORDERTYPE sy-vline 
WA_PPOITMOVW_STR-DELIVERYDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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