ABAP Select data from SAP table PMMOVERDUEPO2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PMMOVERDUEPO2 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 PMMOVERDUEPO2. 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 PMMOVERDUEPO2 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_PMMOVERDUEPO2 TYPE STANDARD TABLE OF PMMOVERDUEPO2,
      WA_PMMOVERDUEPO2 TYPE PMMOVERDUEPO2,
      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: <PMMOVERDUEPO2> TYPE PMMOVERDUEPO2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PMMOVERDUEPO2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PMMOVERDUEPO2
  INTO TABLE IT_PMMOVERDUEPO2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMOVERDUEPO2
*  INTO TABLE @DATA(IT_PMMOVERDUEPO22).
*--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_PMMOVERDUEPO2 INDEX 1 INTO DATA(WA_PMMOVERDUEPO22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PMMOVERDUEPO2 ASSIGNING <PMMOVERDUEPO2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMOVERDUEPO2>-MANDT = 1.
<PMMOVERDUEPO2>-PURCHASEORDER = 1.
<PMMOVERDUEPO2>-PURCHASEORDERITEM = 1.
<PMMOVERDUEPO2>-SUPPLIER = 1.
<PMMOVERDUEPO2>-PURCHASINGORGANIZATION = 1.

ENDLOOP.

LOOP AT IT_PMMOVERDUEPO2 INTO WA_PMMOVERDUEPO2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMOVERDUEPO2-PURCHASINGGROUP, sy-vline,
  WA_PMMOVERDUEPO2-PURCHASEORDERITEMCATEGORY, sy-vline,
  WA_PMMOVERDUEPO2-PURCHASEORDERCATEGORY, sy-vline,
  WA_PMMOVERDUEPO2-PURCHASEORDERTYPE, sy-vline,
  WA_PMMOVERDUEPO2-MATERIAL, sy-vline,
  WA_PMMOVERDUEPO2-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMOVERDUEPO2 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_PMMOVERDUEPO2 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_PMMOVERDUEPO2 INTO WA_PMMOVERDUEPO2.


*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_PMMOVERDUEPO2-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMOVERDUEPO2-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMOVERDUEPO2-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMOVERDUEPO2-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PMMOVERDUEPO2-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMOVERDUEPO2-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMMOVERDUEPO2-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMOVERDUEPO2-PURCHASEORDERQUANTITYUNIT.
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_PMMOVERDUEPO2_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
PURCHASEORDERCATEGORY TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PURCHASEORDERITEMTEXT TYPE STRING,
COMPANYCODE TYPE STRING,
PLANT TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
PURCHASEORDERQTY TYPE STRING,
CURRENCY TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
OPENPURCHASEORDERQUANTITY TYPE STRING,
GOODSRECEIPTQUANTITY TYPE STRING,
OPENPURCHASEORDERNETAMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMOVERDUEPO2_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_PMMOVERDUEPO2_STR-MANDT sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASEORDER sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASEORDERITEM sy-vline 
WA_PMMOVERDUEPO2_STR-SUPPLIER sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASINGGROUP sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASEORDERCATEGORY sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASEORDERTYPE sy-vline 
WA_PMMOVERDUEPO2_STR-MATERIAL sy-vline 
WA_PMMOVERDUEPO2_STR-MATERIALGROUP sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASEORDERITEMTEXT sy-vline 
WA_PMMOVERDUEPO2_STR-COMPANYCODE sy-vline 
WA_PMMOVERDUEPO2_STR-PLANT sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PMMOVERDUEPO2_STR-PURCHASEORDERQTY sy-vline 
WA_PMMOVERDUEPO2_STR-CURRENCY sy-vline 
WA_PMMOVERDUEPO2_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_PMMOVERDUEPO2_STR-OPENPURCHASEORDERQUANTITY sy-vline 
WA_PMMOVERDUEPO2_STR-GOODSRECEIPTQUANTITY sy-vline 
WA_PMMOVERDUEPO2_STR-OPENPURCHASEORDERNETAMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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