Can't query Pipelined function in LINQ
Posted: Tue 14 Aug 2012 06:14
Dear devart,
We need to execute query in our Silverlight application. The query involves TABLE function (pipelined, if it matters).
The query runs well:
Then we followed the steps suggested in the document http://www.devart.com/dotconnect/oracle ... tions.html. Because it is required to pass different values to the date parameter P_PERIOD, we took the second path, titled "Creating Function Import Based on Oracle Pipelined Function".
Now we are getting the error during query execution:
Additional information:
We at ver.6.80.
Oracle server is 10.2.0.5
FDKRSELECTAGGREGATED method definition from 'DataModelCredit.Designer.cs':
The calling statement in 'DomainService1.cs' was:
(In fact, we need more columns, but restrained ourselves to m_C_ded, cause we have no idea how to include more).
Snippet of ORACLE package spec.:
Complex type definition from EDML:
Best regards,
Max
We need to execute query in our Silverlight application. The query involves TABLE function (pipelined, if it matters).
The query runs well:
Code: Select all
SQL>
desc payman.paycal_dedicated_items_pkg.fdkr_select_aggregated
Parameter Type Mode Default?
--------- ------------------------------------------------------ ---- --------
(RESULT) PAYMAN.PAYCAL_DEDICATED_ITEMS_PKG.FDKR_AGGVALUES_TABLE
P_PERIOD DATE IN
SQL>
select m_day,
m_D_total,
m_flow_total,
m_C_ded,
m_remnant_evening
from table(payman.paycal_dedicated_items_pkg.fdkr_select_aggregated(date'2010-10-01'))
where rownum<5
order by m_day;
M_DAY M_D_TOTAL M_FLOW_TOTAL M_C_DED M_REMNANT_EVENING
----------- ---------- ------------ ---------- -----------------
01.10.2010 40001 -40001 99959999
02.10.2010 0 99959999
03.10.2010 0 99959999
04.10.2010 102 -102 99959897
SQL>
Now we are getting the error during query execution:
Is something wrong with our code or is there bug?"Unexpected store type 'TABLE'."
Additional information:
We at ver.6.80.
Oracle server is 10.2.0.5
FDKRSELECTAGGREGATED method definition from 'DataModelCredit.Designer.cs':
Code: Select all
.............
public partial class CreditResourceEntities : ObjectContext
{
.............
#region Methods
/// <summary>
/// There are no comments for FDKRSELECTAGGREGATED in the schema.
/// </summary>
public ObjectResult<FDKRSELECTAGGREGATEDResult> FDKRSELECTAGGREGATED (global::System.Nullable<System.DateTime> P_PERIOD)
{
ObjectParameter P_PERIODParameter;
if (P_PERIOD.HasValue)
{
P_PERIODParameter = new ObjectParameter("P_PERIOD", P_PERIOD);
}
else
{
P_PERIODParameter = new ObjectParameter("P_PERIOD", typeof(global::System.DateTime));
}
return base.ExecuteFunction<FDKRSELECTAGGREGATEDResult>("FDKRSELECTAGGREGATED", P_PERIODParameter);
}
.............
Code: Select all
............
[EnableClientAccess()]
public class DomainService1 : LinqToEntitiesDomainService<CreditResourceEntities>
{
............
public IEnumerable<decimal?> GetFDKRSELECTAGGREGATEDResult(DateTime period)
{
IEnumerable<decimal?> pp =
this.ObjectContext.FDKRSELECTAGGREGATED(period).Select(e => e.m_C_ded).ToList();
return pp;
}
............
Snippet of ORACLE package spec.:
Code: Select all
create or replace package payman.paycal_dedicated_items_pkg is
.................
type fdkr_aggvalues_rec is record (
m_day date,
m_C_total number,
m_D_total number,
m_flow_total number,
m_C_ded number,
m_D_ded number,
m_C_KP number,
m_D_KP number,
m_remnant_morning number,
m_remnant_evening number
);
type fdkr_aggvalues_table is table of fdkr_aggvalues_rec;
function fdkr_select_aggregated (p_period date) return fdkr_aggvalues_table pipelined;
.................
end paycal_dedicated_items_pkg;
Code: Select all
<ComplexType Name="FDKRSELECTAGGREGATEDResult" ed:Guid="72558fab-690f-42e7-b50b-46b5f8d4dd18">
<Property Name="m_day" Type="DateTime" Nullable="false" ed:ValidateRequired="True" ed:Guid="544f366e-3474-416e-884d-820b01444715" />
<Property Name="m_C_total" Type="Decimal" ed:ValidateRequired="False" ed:Guid="ab9e15a0-d607-4190-8020-41bb1935518c" />
<Property Name="m_D_total" Type="Decimal" ed:ValidateRequired="False" ed:Guid="761ca32f-4d5f-4b0a-b84d-f5183e06548e" />
<Property Name="m_flow_total" Type="Decimal" ed:ValidateRequired="False" ed:Guid="280b9ffa-1832-4af5-a085-8aca009ba030" />
<Property Name="m_C_ded" Type="Decimal" ed:ValidateRequired="False" ed:Guid="5fcc1fc3-4ad4-4b3c-b53c-a7ce47310164" />
<Property Name="m_D_ded" Type="Decimal" ed:ValidateRequired="False" ed:Guid="75d938fb-86c7-4fb6-8a23-18d6ab77445c" />
<Property Name="m_remnant_morning" Type="Decimal" ed:ValidateRequired="False" ed:Guid="7417396d-6d5b-4cb5-a5ac-63c20a5043e6" />
<Property Name="m_remnant_evening" Type="Decimal" ed:ValidateRequired="False" ed:Guid="527574ab-23aa-4605-b2d4-1e800978c4c9" />
</ComplexType>
Max