ABAP Select data from SAP table PPOITEMENH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPOITEMENH
*  INTO TABLE @DATA(IT_PPOITEMENH2).
*--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_PPOITEMENH INDEX 1 INTO DATA(WA_PPOITEMENH2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPOITEMENH-SUPPLYINGPLANT, sy-vline,
  WA_PPOITEMENH-PURCHASINGORGANIZATION, sy-vline,
  WA_PPOITEMENH-PURCHASINGGROUP, sy-vline,
  WA_PPOITEMENH-COMPANYCODE, sy-vline,
  WA_PPOITEMENH-DOCUMENTCURRENCY, sy-vline,
  WA_PPOITEMENH-PURCHASEORDERDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPOITEMENH 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_PPOITEMENH 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_PPOITEMENH INTO WA_PPOITEMENH.


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

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

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

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

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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field CROSSPLANTCONFIGURABLEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEMENH-CROSSPLANTCONFIGURABLEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEMENH-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_PPOITEMENH_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
COMPANYCODE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
SUPPLIERQUOTATION TYPE STRING,
SUPPLIERQUOTATIONITEM TYPE STRING,
PURCHASEORDERITEMTEXT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
PRODUCTTYPE TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
SERVICEPERFORMER TYPE STRING,
ISRETURNSITEM TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
GOODSRECEIPTISNONVALUATED TYPE STRING,
ISCOMPLETELYDELIVERED TYPE STRING,
INVOICEISEXPECTED TYPE STRING,
INVOICEISGOODSRECEIPTBASED TYPE STRING,
ISFINALLYINVOICED TYPE STRING,
STORAGELOCATION TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
ISINFORECORDUPDATED TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
REQUESTFORQUOTATION TYPE STRING,
REQUESTFORQUOTATIONITEM TYPE STRING,
REQUIREMENTTRACKING TYPE STRING,
SCHEDULELINE TYPE STRING,
NEXTDELIVERYDATE TYPE STRING,
NEXTDELIVERYQUANTITY TYPE STRING,
NEXTDELIVERYSTATUS TYPE STRING,
EXPECTEDOVERALLLIMITAMOUNT TYPE STRING,
OVERALLLIMITAMOUNT TYPE STRING,
ORDERQUANTITY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
GOODSRECEIPTQUANTITY TYPE STRING,
GOODRECEIPTAMOUNT TYPE STRING,
STILLTOBEDELIVEREDQUANTITY TYPE STRING,
STILLTOBEDELIVEREDVALUE TYPE STRING,
INVOICERECEIPTQTY TYPE STRING,
INVOICERECEIPTAMOUNT TYPE STRING,
STILLTOINVOICEQUANTITY TYPE STRING,
STILLTOINVOICEVALUE TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
TODAY 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_PPOITEMENH_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_PPOITEMENH_STR-MANDT sy-vline 
WA_PPOITEMENH_STR-PURCHASEORDER sy-vline 
WA_PPOITEMENH_STR-PURCHASEORDERITEM sy-vline 
WA_PPOITEMENH_STR-PURCHASEORDERTYPE sy-vline 
WA_PPOITEMENH_STR-SUPPLIER sy-vline 
WA_PPOITEMENH_STR-SUPPLYINGPLANT sy-vline 
WA_PPOITEMENH_STR-PURCHASINGORGANIZATION sy-vline 
WA_PPOITEMENH_STR-PURCHASINGGROUP sy-vline 
WA_PPOITEMENH_STR-COMPANYCODE sy-vline 
WA_PPOITEMENH_STR-DOCUMENTCURRENCY sy-vline 
WA_PPOITEMENH_STR-PURCHASEORDERDATE sy-vline 
WA_PPOITEMENH_STR-CREATIONDATE sy-vline 
WA_PPOITEMENH_STR-CREATEDBYUSER sy-vline 
WA_PPOITEMENH_STR-SUPPLIERQUOTATION sy-vline 
WA_PPOITEMENH_STR-SUPPLIERQUOTATIONITEM sy-vline 
WA_PPOITEMENH_STR-PURCHASEORDERITEMTEXT sy-vline 
WA_PPOITEMENH_STR-MATERIAL sy-vline 
WA_PPOITEMENH_STR-MATERIALGROUP sy-vline 
WA_PPOITEMENH_STR-PLANT sy-vline 
WA_PPOITEMENH_STR-PRODUCTTYPE sy-vline 
WA_PPOITEMENH_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_PPOITEMENH_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PPOITEMENH_STR-SERVICEPERFORMER sy-vline 
WA_PPOITEMENH_STR-ISRETURNSITEM sy-vline 
WA_PPOITEMENH_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_PPOITEMENH_STR-GOODSRECEIPTISNONVALUATED sy-vline 
WA_PPOITEMENH_STR-ISCOMPLETELYDELIVERED sy-vline 
WA_PPOITEMENH_STR-INVOICEISEXPECTED sy-vline 
WA_PPOITEMENH_STR-INVOICEISGOODSRECEIPTBASED sy-vline 
WA_PPOITEMENH_STR-ISFINALLYINVOICED sy-vline 
WA_PPOITEMENH_STR-STORAGELOCATION sy-vline 
WA_PPOITEMENH_STR-PURCHASINGINFORECORD sy-vline 
WA_PPOITEMENH_STR-ISINFORECORDUPDATED sy-vline 
WA_PPOITEMENH_STR-PURCHASECONTRACT sy-vline 
WA_PPOITEMENH_STR-PURCHASECONTRACTITEM sy-vline 
WA_PPOITEMENH_STR-PURCHASEREQUISITION sy-vline 
WA_PPOITEMENH_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_PPOITEMENH_STR-REQUESTFORQUOTATION sy-vline 
WA_PPOITEMENH_STR-REQUESTFORQUOTATIONITEM sy-vline 
WA_PPOITEMENH_STR-REQUIREMENTTRACKING sy-vline 
WA_PPOITEMENH_STR-SCHEDULELINE sy-vline 
WA_PPOITEMENH_STR-NEXTDELIVERYDATE sy-vline 
WA_PPOITEMENH_STR-NEXTDELIVERYQUANTITY sy-vline 
WA_PPOITEMENH_STR-NEXTDELIVERYSTATUS sy-vline 
WA_PPOITEMENH_STR-EXPECTEDOVERALLLIMITAMOUNT sy-vline 
WA_PPOITEMENH_STR-OVERALLLIMITAMOUNT sy-vline 
WA_PPOITEMENH_STR-ORDERQUANTITY sy-vline 
WA_PPOITEMENH_STR-NETPRICEAMOUNT sy-vline 
WA_PPOITEMENH_STR-NETPRICEQUANTITY sy-vline 
WA_PPOITEMENH_STR-NETAMOUNT sy-vline 
WA_PPOITEMENH_STR-GOODSRECEIPTQUANTITY sy-vline 
WA_PPOITEMENH_STR-GOODRECEIPTAMOUNT sy-vline 
WA_PPOITEMENH_STR-STILLTOBEDELIVEREDQUANTITY sy-vline 
WA_PPOITEMENH_STR-STILLTOBEDELIVEREDVALUE sy-vline 
WA_PPOITEMENH_STR-INVOICERECEIPTQTY sy-vline 
WA_PPOITEMENH_STR-INVOICERECEIPTAMOUNT sy-vline 
WA_PPOITEMENH_STR-STILLTOINVOICEQUANTITY sy-vline 
WA_PPOITEMENH_STR-STILLTOINVOICEVALUE sy-vline 
WA_PPOITEMENH_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PPOITEMENH_STR-ORDERPRICEUNIT sy-vline 
WA_PPOITEMENH_STR-TODAY sy-vline 
WA_PPOITEMENH_STR-PRODUCTSEASONYEAR sy-vline 
WA_PPOITEMENH_STR-PRODUCTSEASON sy-vline 
WA_PPOITEMENH_STR-PRODUCTCOLLECTION sy-vline 
WA_PPOITEMENH_STR-PRODUCTTHEME sy-vline 
WA_PPOITEMENH_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_PPOITEMENH_STR-PRODUCTCHARACTERISTIC1 sy-vline 
WA_PPOITEMENH_STR-PRODUCTCHARACTERISTIC2 sy-vline 
WA_PPOITEMENH_STR-PRODUCTCHARACTERISTIC3 sy-vline 
WA_PPOITEMENH_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.