ABAP Select data from SAP table PPURDOCCON into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPURDOCCON
*  INTO TABLE @DATA(IT_PPURDOCCON2).
*--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_PPURDOCCON INDEX 1 INTO DATA(WA_PPURDOCCON2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPURDOCCON>-MANDT = 1.
<PPURDOCCON>-PURCHASINGDOCUMENT = 1.
<PPURDOCCON>-PURCHASINGDOCUMENTITEM = 1.
<PPURDOCCON>-SCHEDULELINE = 1.
<PPURDOCCON>-SUPPLIERCONFIRMATIONCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPURDOCCON-SCHEDULELINEUNIQUEID, sy-vline,
  WA_PPURDOCCON-MATERIALNAME, sy-vline,
  WA_PPURDOCCON-ACCOUNTASSIGNMENTCATEGORY, sy-vline,
  WA_PPURDOCCON-COMPANYCODENAME, sy-vline,
  WA_PPURDOCCON-PURCHASINGGROUP, sy-vline,
  WA_PPURDOCCON-CONFIRMATIONCONTROL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPURDOCCON 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_PPURDOCCON 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_PPURDOCCON INTO WA_PPURDOCCON.


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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field CROSSPLANTCONFIGURABLEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PPURDOCCON-CROSSPLANTCONFIGURABLEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPURDOCCON-CROSSPLANTCONFIGURABLEPRODUCT.
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_PPURDOCCON_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
SCHEDULELINE TYPE STRING,
SUPPLIERCONFIRMATIONCATEGORY TYPE STRING,
SCHEDULELINEUNIQUEID TYPE STRING,
MATERIALNAME TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
COMPANYCODENAME TYPE STRING,
PURCHASINGGROUP TYPE STRING,
CONFIRMATIONCONTROL TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANTNAME TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
PURCHASINGDOCUMENTNAME TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
DELIVDATECATEGORY TYPE STRING,
SUPPLIER TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
SUPPLIERNAME TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
ORDERQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
MATERIALNUMBER TYPE STRING,
SHORTTEXT TYPE STRING,
PLANT TYPE STRING,
ORDERUNIT TYPE STRING,
CUMMULATIVESHEDULEQUANTITY TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
PURGCATNAME TYPE STRING,
ACCTASSIGNMENTCATEGORYNAME TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
SUPPLIERCONFCATEGORYNAME TYPE STRING,
ORDEREDQUANTITY TYPE STRING,
BALANCEQUANTITY TYPE STRING,
KEYDATE TYPE STRING,
ITEMPRICE TYPE STRING,
PURCHASEORDERSTATUS TYPE STRING,
PURCHASINGDOCUMENTSTATUS TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
TARGETAMOUNT TYPE STRING,
REQUIREMENTTRACKING TYPE STRING,
STORAGELOCATION TYPE STRING,
STORAGELOCATIONNAME TYPE STRING,
NETVALUEAMOUNT TYPE STRING,
PURCHASINGPROCESSINGSTATUS TYPE STRING,
PURGDOCEXTERNALITEMCATEGORY TYPE STRING,
PURGDOCITEMCATEGORYNAME TYPE STRING,
COMMITTEDQUANTITY TYPE STRING,
SCHEDULELINECOMMITTEDAMOUNT TYPE STRING,
SCHEDULELINEPNDGQTYINSTKUNIT TYPE STRING,
SCHEDULELINEPNDGAMTINTRANSCRCY TYPE STRING,
CREATIONDATE TYPE STRING,
DURATIONTONEXTSTATUSINDAYS TYPE STRING,
SCHEDAGRMTVALIDITYSTATUS TYPE STRING,
RELEASEDQUANTITY TYPE STRING,
RELEASEDAMOUNT TYPE STRING,
GOODSRECEIPTQTY TYPE STRING,
GOODSRECEIPTAMOUNTINCOCODECRCY TYPE STRING,
PRODUCTSEASONYEAR TYPE STRING,
PRODUCTSEASON TYPE STRING,
PRODUCTCOLLECTION TYPE STRING,
PRODUCTTHEME TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
PRODUCTCHARACTERISTIC1 TYPE STRING,
PRODUCTCHARACTERISTIC2 TYPE STRING,
PRODUCTCHARACTERISTIC3 TYPE STRING,
STOCKSEGMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPURDOCCON_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_PPURDOCCON_STR-MANDT sy-vline 
WA_PPURDOCCON_STR-PURCHASINGDOCUMENT sy-vline 
WA_PPURDOCCON_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PPURDOCCON_STR-SCHEDULELINE sy-vline 
WA_PPURDOCCON_STR-SUPPLIERCONFIRMATIONCATEGORY sy-vline 
WA_PPURDOCCON_STR-SCHEDULELINEUNIQUEID sy-vline 
WA_PPURDOCCON_STR-MATERIALNAME sy-vline 
WA_PPURDOCCON_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PPURDOCCON_STR-COMPANYCODENAME sy-vline 
WA_PPURDOCCON_STR-PURCHASINGGROUP sy-vline 
WA_PPURDOCCON_STR-CONFIRMATIONCONTROL sy-vline 
WA_PPURDOCCON_STR-PURCHASINGORGANIZATION sy-vline 
WA_PPURDOCCON_STR-MATERIAL sy-vline 
WA_PPURDOCCON_STR-MATERIALGROUP sy-vline 
WA_PPURDOCCON_STR-PLANTNAME sy-vline 
WA_PPURDOCCON_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_PPURDOCCON_STR-PURCHASINGGROUPNAME sy-vline 
WA_PPURDOCCON_STR-PURCHASINGDOCUMENTNAME sy-vline 
WA_PPURDOCCON_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_PPURDOCCON_STR-DOCUMENTDATE sy-vline 
WA_PPURDOCCON_STR-DELIVDATECATEGORY sy-vline 
WA_PPURDOCCON_STR-SUPPLIER sy-vline 
WA_PPURDOCCON_STR-DOCUMENTCURRENCY sy-vline 
WA_PPURDOCCON_STR-SUPPLIERNAME sy-vline 
WA_PPURDOCCON_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_PPURDOCCON_STR-ORDERQUANTITY sy-vline 
WA_PPURDOCCON_STR-NETAMOUNT sy-vline 
WA_PPURDOCCON_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_PPURDOCCON_STR-COMPANYCODE sy-vline 
WA_PPURDOCCON_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_PPURDOCCON_STR-NETPRICEAMOUNT sy-vline 
WA_PPURDOCCON_STR-NETPRICEQUANTITY sy-vline 
WA_PPURDOCCON_STR-MATERIALNUMBER sy-vline 
WA_PPURDOCCON_STR-SHORTTEXT sy-vline 
WA_PPURDOCCON_STR-PLANT sy-vline 
WA_PPURDOCCON_STR-ORDERUNIT sy-vline 
WA_PPURDOCCON_STR-CUMMULATIVESHEDULEQUANTITY sy-vline 
WA_PPURDOCCON_STR-PURCHASINGCATEGORY sy-vline 
WA_PPURDOCCON_STR-PURGCATNAME sy-vline 
WA_PPURDOCCON_STR-ACCTASSIGNMENTCATEGORYNAME sy-vline 
WA_PPURDOCCON_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_PPURDOCCON_STR-SUPPLIERCONFCATEGORYNAME sy-vline 
WA_PPURDOCCON_STR-ORDEREDQUANTITY sy-vline 
WA_PPURDOCCON_STR-BALANCEQUANTITY sy-vline 
WA_PPURDOCCON_STR-KEYDATE sy-vline 
WA_PPURDOCCON_STR-ITEMPRICE sy-vline 
WA_PPURDOCCON_STR-PURCHASEORDERSTATUS sy-vline 
WA_PPURDOCCON_STR-PURCHASINGDOCUMENTSTATUS sy-vline 
WA_PPURDOCCON_STR-VALIDITYSTARTDATE sy-vline 
WA_PPURDOCCON_STR-VALIDITYENDDATE sy-vline 
WA_PPURDOCCON_STR-TARGETAMOUNT sy-vline 
WA_PPURDOCCON_STR-REQUIREMENTTRACKING sy-vline 
WA_PPURDOCCON_STR-STORAGELOCATION sy-vline 
WA_PPURDOCCON_STR-STORAGELOCATIONNAME sy-vline 
WA_PPURDOCCON_STR-NETVALUEAMOUNT sy-vline 
WA_PPURDOCCON_STR-PURCHASINGPROCESSINGSTATUS sy-vline 
WA_PPURDOCCON_STR-PURGDOCEXTERNALITEMCATEGORY sy-vline 
WA_PPURDOCCON_STR-PURGDOCITEMCATEGORYNAME sy-vline 
WA_PPURDOCCON_STR-COMMITTEDQUANTITY sy-vline 
WA_PPURDOCCON_STR-SCHEDULELINECOMMITTEDAMOUNT sy-vline 
WA_PPURDOCCON_STR-SCHEDULELINEPNDGQTYINSTKUNIT sy-vline 
WA_PPURDOCCON_STR-SCHEDULELINEPNDGAMTINTRANSCRCY sy-vline 
WA_PPURDOCCON_STR-CREATIONDATE sy-vline 
WA_PPURDOCCON_STR-DURATIONTONEXTSTATUSINDAYS sy-vline 
WA_PPURDOCCON_STR-SCHEDAGRMTVALIDITYSTATUS sy-vline 
WA_PPURDOCCON_STR-RELEASEDQUANTITY sy-vline 
WA_PPURDOCCON_STR-RELEASEDAMOUNT sy-vline 
WA_PPURDOCCON_STR-GOODSRECEIPTQTY sy-vline 
WA_PPURDOCCON_STR-GOODSRECEIPTAMOUNTINCOCODECRCY sy-vline 
WA_PPURDOCCON_STR-PRODUCTSEASONYEAR sy-vline 
WA_PPURDOCCON_STR-PRODUCTSEASON sy-vline 
WA_PPURDOCCON_STR-PRODUCTCOLLECTION sy-vline 
WA_PPURDOCCON_STR-PRODUCTTHEME sy-vline 
WA_PPURDOCCON_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_PPURDOCCON_STR-PRODUCTCHARACTERISTIC1 sy-vline 
WA_PPURDOCCON_STR-PRODUCTCHARACTERISTIC2 sy-vline 
WA_PPURDOCCON_STR-PRODUCTCHARACTERISTIC3 sy-vline 
WA_PPURDOCCON_STR-STOCKSEGMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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