ABAP Select data from SAP table PSUPDMNDPURCONAS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSUPDMNDPURCONAS
*  INTO TABLE @DATA(IT_PSUPDMNDPURCONAS2).
*--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_PSUPDMNDPURCONAS INDEX 1 INTO DATA(WA_PSUPDMNDPURCONAS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSUPDMNDPURCONAS>-MANDT = 1.
<PSUPDMNDPURCONAS>-SUPPLYNUMBER = 1.
<PSUPDMNDPURCONAS>-SUPPLYITEM = 1.
<PSUPDMNDPURCONAS>-SUPPLYSCHEDULELINE = 1.
<PSUPDMNDPURCONAS>-ASSIGNEDSUPPLYTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSUPDMNDPURCONAS-SUPASSGMTSOURCE, sy-vline,
  WA_PSUPDMNDPURCONAS-SUPPLYDELIVERYDATE, sy-vline,
  WA_PSUPDMNDPURCONAS-PRODUCTAVAILABILITYDATE, sy-vline,
  WA_PSUPDMNDPURCONAS-REQUESTEDDELIVERYDATE, sy-vline,
  WA_PSUPDMNDPURCONAS-TOTALQUANTITY, sy-vline,
  WA_PSUPDMNDPURCONAS-OPENSUPPLYQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSUPDMNDPURCONAS 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_PSUPDMNDPURCONAS 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_PSUPDMNDPURCONAS INTO WA_PSUPDMNDPURCONAS.


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

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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSUPDMNDPURCONAS-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUPDMNDPURCONAS-SUPPLIER.
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_PSUPDMNDPURCONAS_STR, 
MANDT TYPE STRING,
SUPPLYNUMBER TYPE STRING,
SUPPLYITEM TYPE STRING,
SUPPLYSCHEDULELINE TYPE STRING,
ASSIGNEDSUPPLYTYPE TYPE STRING,
SUPASSGMTSOURCE TYPE STRING,
SUPPLYDELIVERYDATE TYPE STRING,
PRODUCTAVAILABILITYDATE TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
TOTALQUANTITY TYPE STRING,
OPENSUPPLYQUANTITY TYPE STRING,
RELEASEDQUANTITY TYPE STRING,
ASSIGNEDQUANTITYINBASEUNIT TYPE STRING,
NORMALASSIGNEDQUANTITYINBSUNT TYPE STRING,
PREVIEWASSIGNEDQUANTITYINBSUNT TYPE STRING,
BASEUNIT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
MATERIALTYPE TYPE STRING,
STOCKSEGMENT TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
ORDERTYPE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
BATCH TYPE STRING,
STORAGELOCATION TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
COMPANYCODE TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSUPDMNDPURCONAS_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_PSUPDMNDPURCONAS_STR-MANDT sy-vline 
WA_PSUPDMNDPURCONAS_STR-SUPPLYNUMBER sy-vline 
WA_PSUPDMNDPURCONAS_STR-SUPPLYITEM sy-vline 
WA_PSUPDMNDPURCONAS_STR-SUPPLYSCHEDULELINE sy-vline 
WA_PSUPDMNDPURCONAS_STR-ASSIGNEDSUPPLYTYPE sy-vline 
WA_PSUPDMNDPURCONAS_STR-SUPASSGMTSOURCE sy-vline 
WA_PSUPDMNDPURCONAS_STR-SUPPLYDELIVERYDATE sy-vline 
WA_PSUPDMNDPURCONAS_STR-PRODUCTAVAILABILITYDATE sy-vline 
WA_PSUPDMNDPURCONAS_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_PSUPDMNDPURCONAS_STR-TOTALQUANTITY sy-vline 
WA_PSUPDMNDPURCONAS_STR-OPENSUPPLYQUANTITY sy-vline 
WA_PSUPDMNDPURCONAS_STR-RELEASEDQUANTITY sy-vline 
WA_PSUPDMNDPURCONAS_STR-ASSIGNEDQUANTITYINBASEUNIT sy-vline 
WA_PSUPDMNDPURCONAS_STR-NORMALASSIGNEDQUANTITYINBSUNT sy-vline 
WA_PSUPDMNDPURCONAS_STR-PREVIEWASSIGNEDQUANTITYINBSUNT sy-vline 
WA_PSUPDMNDPURCONAS_STR-BASEUNIT sy-vline 
WA_PSUPDMNDPURCONAS_STR-MATERIAL sy-vline 
WA_PSUPDMNDPURCONAS_STR-MATERIALGROUP sy-vline 
WA_PSUPDMNDPURCONAS_STR-PLANT sy-vline 
WA_PSUPDMNDPURCONAS_STR-MATERIALTYPE sy-vline 
WA_PSUPDMNDPURCONAS_STR-STOCKSEGMENT sy-vline 
WA_PSUPDMNDPURCONAS_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_PSUPDMNDPURCONAS_STR-ORDERTYPE sy-vline 
WA_PSUPDMNDPURCONAS_STR-PURCHASINGORGANIZATION sy-vline 
WA_PSUPDMNDPURCONAS_STR-PURCHASINGGROUP sy-vline 
WA_PSUPDMNDPURCONAS_STR-BATCH sy-vline 
WA_PSUPDMNDPURCONAS_STR-STORAGELOCATION sy-vline 
WA_PSUPDMNDPURCONAS_STR-CUSTOMER sy-vline 
WA_PSUPDMNDPURCONAS_STR-SUPPLIER sy-vline 
WA_PSUPDMNDPURCONAS_STR-COMPANYCODE sy-vline 
WA_PSUPDMNDPURCONAS_STR-NETPRICEAMOUNT sy-vline 
WA_PSUPDMNDPURCONAS_STR-DOCUMENTCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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