ABAP Select data from SAP table IMMPURORDENH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMMPURORDENH
*  INTO TABLE @DATA(IT_IMMPURORDENH2).
*--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_IMMPURORDENH INDEX 1 INTO DATA(WA_IMMPURORDENH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMMPURORDENH>-MANDT = 1.
<IMMPURORDENH>-PURCHASEORDER = 1.
<IMMPURORDENH>-PURCHASEORDERTYPE = 1.
<IMMPURORDENH>-PURCHASEORDERSUBTYPE = 1.
<IMMPURORDENH>-PURCHASINGDOCUMENTISAGED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMMPURORDENH-PURCHASINGDOCUMENTORIGIN, sy-vline,
  WA_IMMPURORDENH-CREATEDBYUSER, sy-vline,
  WA_IMMPURORDENH-CREATIONDATE, sy-vline,
  WA_IMMPURORDENH-PURCHASEORDERDATE, sy-vline,
  WA_IMMPURORDENH-VALIDITYSTARTDATE, sy-vline,
  WA_IMMPURORDENH-VALIDITYENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMMPURORDENH 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_IMMPURORDENH 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_IMMPURORDENH INTO WA_IMMPURORDENH.


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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_IMMPURORDENH-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMMPURORDENH-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit EXCRT, internal->external for field EXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_IMMPURORDENH-EXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMMPURORDENH-EXCHANGERATE.
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_IMMPURORDENH_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASEORDERSUBTYPE TYPE STRING,
PURCHASINGDOCUMENTISAGED TYPE STRING,
PURCHASINGDOCUMENTORIGIN TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
LANGUAGE TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
RELEASEISNOTCOMPLETED TYPE STRING,
PURCHASINGCOMPLETENESSSTATUS TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERRESPSALESPERSONNAME TYPE STRING,
SUPPLIERPHONENUMBER TYPE STRING,
MANUALSUPPLIERADDRESSID TYPE STRING,
SUPPLIERADDRESSID TYPE STRING,
SUPPLIERNAME TYPE STRING,
SUPPLYINGSUPPLIER TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
INVOICINGPARTY TYPE STRING,
PAYMENTTERMS TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSVERSION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
CORRESPNCEXTERNALREFERENCE TYPE STRING,
CORRESPNCINTERNALREFERENCE TYPE STRING,
ISINTRASTATREPORTINGRELEVANT TYPE STRING,
ISINTRASTATREPORTINGEXCLUDED TYPE STRING,
PURCHASINGDOCUMENTCONDITION TYPE STRING,
PRICINGPROCEDURE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
EXCHANGERATE TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
PURCHASEORDERNETAMOUNT TYPE STRING,
PURCHASINGDOCUMENTSTATUS TYPE STRING,
NUMBEROFOVERDUEPURORDITM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMMPURORDENH_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_IMMPURORDENH_STR-MANDT sy-vline 
WA_IMMPURORDENH_STR-PURCHASEORDER sy-vline 
WA_IMMPURORDENH_STR-PURCHASEORDERTYPE sy-vline 
WA_IMMPURORDENH_STR-PURCHASEORDERSUBTYPE sy-vline 
WA_IMMPURORDENH_STR-PURCHASINGDOCUMENTISAGED sy-vline 
WA_IMMPURORDENH_STR-PURCHASINGDOCUMENTORIGIN sy-vline 
WA_IMMPURORDENH_STR-CREATEDBYUSER sy-vline 
WA_IMMPURORDENH_STR-CREATIONDATE sy-vline 
WA_IMMPURORDENH_STR-PURCHASEORDERDATE sy-vline 
WA_IMMPURORDENH_STR-VALIDITYSTARTDATE sy-vline 
WA_IMMPURORDENH_STR-VALIDITYENDDATE sy-vline 
WA_IMMPURORDENH_STR-LANGUAGE sy-vline 
WA_IMMPURORDENH_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_IMMPURORDENH_STR-RELEASEISNOTCOMPLETED sy-vline 
WA_IMMPURORDENH_STR-PURCHASINGCOMPLETENESSSTATUS sy-vline 
WA_IMMPURORDENH_STR-COMPANYCODE sy-vline 
WA_IMMPURORDENH_STR-PURCHASINGORGANIZATION sy-vline 
WA_IMMPURORDENH_STR-PURCHASINGGROUP sy-vline 
WA_IMMPURORDENH_STR-SUPPLIER sy-vline 
WA_IMMPURORDENH_STR-SUPPLIERRESPSALESPERSONNAME sy-vline 
WA_IMMPURORDENH_STR-SUPPLIERPHONENUMBER sy-vline 
WA_IMMPURORDENH_STR-MANUALSUPPLIERADDRESSID sy-vline 
WA_IMMPURORDENH_STR-SUPPLIERADDRESSID sy-vline 
WA_IMMPURORDENH_STR-SUPPLIERNAME sy-vline 
WA_IMMPURORDENH_STR-SUPPLYINGSUPPLIER sy-vline 
WA_IMMPURORDENH_STR-SUPPLYINGPLANT sy-vline 
WA_IMMPURORDENH_STR-INVOICINGPARTY sy-vline 
WA_IMMPURORDENH_STR-PAYMENTTERMS sy-vline 
WA_IMMPURORDENH_STR-CASHDISCOUNT1DAYS sy-vline 
WA_IMMPURORDENH_STR-CASHDISCOUNT2DAYS sy-vline 
WA_IMMPURORDENH_STR-NETPAYMENTDAYS sy-vline 
WA_IMMPURORDENH_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_IMMPURORDENH_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_IMMPURORDENH_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_IMMPURORDENH_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_IMMPURORDENH_STR-INCOTERMSVERSION sy-vline 
WA_IMMPURORDENH_STR-INCOTERMSLOCATION1 sy-vline 
WA_IMMPURORDENH_STR-INCOTERMSLOCATION2 sy-vline 
WA_IMMPURORDENH_STR-CORRESPNCEXTERNALREFERENCE sy-vline 
WA_IMMPURORDENH_STR-CORRESPNCINTERNALREFERENCE sy-vline 
WA_IMMPURORDENH_STR-ISINTRASTATREPORTINGRELEVANT sy-vline 
WA_IMMPURORDENH_STR-ISINTRASTATREPORTINGEXCLUDED sy-vline 
WA_IMMPURORDENH_STR-PURCHASINGDOCUMENTCONDITION sy-vline 
WA_IMMPURORDENH_STR-PRICINGPROCEDURE sy-vline 
WA_IMMPURORDENH_STR-DOCUMENTCURRENCY sy-vline 
WA_IMMPURORDENH_STR-EXCHANGERATE sy-vline 
WA_IMMPURORDENH_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_IMMPURORDENH_STR-PURCHASEORDERNETAMOUNT sy-vline 
WA_IMMPURORDENH_STR-PURCHASINGDOCUMENTSTATUS sy-vline 
WA_IMMPURORDENH_STR-NUMBEROFOVERDUEPURORDITM sy-vline      INTO ld_text SEPARATED BY SPACE.

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