Using Functions In Openquery
Jul 20, 2001
I'm trying to use the date() function in an openquery statement in query analyzer and I keep getting an illegal symbol ")" error. The statement is :
select *
from openquery([Big Blue], 'select cde_date, cde_item from acch1 where cde_date < date()')
The objective is to find records where cde_date is prior to today. The syntax works fine if I execute it on the mainframe in QMF and the ODBC connection works fine if I hard code the value. What I need is the ability to use the function so I can run the query on subsequent days without having to edit it.
Any suggestions??
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May 26, 2006
I was playing around with the new SQL 2005 CLR functionality andremembered this discussion that I had with Erland Sommarskog concerningperformance of scalar UDFs some time ago (See "Calling sp_oa* infunction" in this newsgroup). In that discussion, Erland made thefollowing comment about UDFs in SQL 2005:[color=blue][color=green]>>The good news is that in SQL 2005, Microsoft has addressed several of[/color][/color]these issues, and the cost of a UDF is not as severe there. In fact fora complex expression, a UDF in written a CLR language may be fasterthanthe corresponding expression using built-in T-SQL functions.<<I thought the I would put this to the test using some of the same SQLas before, but adding a simple scalar CLR UDF into the mix. The testinvolved querying a simple table with about 300,000 rows. Thescenarios are as follows:(A) Use a simple CASE function to calculate a column(B) Use a simple CASE function to calculate a column and as a criterionin the WHERE clause(C) Use a scalar UDF to calculate a column(D) Use a scalar UDF to calculate a column and as a criterion in theWHERE clause(E) Use a scalar CLR UDF to calculate a column(F) Use a scalar CLR UDF to calculate a column and as a criterion inthe WHERE clauseA sample of the results is as follows (time in milliseconds):(295310 row(s) affected)A: 1563(150003 row(s) affected)B: 906(295310 row(s) affected)C: 2703(150003 row(s) affected)D: 2533(295310 row(s) affected)E: 2060(150003 row(s) affected)F: 2190The scalar CLR UDF function was significantly faster than the classicscalar UDF, even for this very simple function. Perhaps a more complexfunction would have shown even a greater difference. Based on this, Imust conclude that Erland was right. Of course, it's still faster tostick with basic built-in functions like CASE.In another test, I decided to run some queries to compare built-inaggregates vs. a couple of simple CLR aggregates as follows:(G) Calculate averages by group using the built-in AVG aggregate(H) Calculate averages by group using a CLR aggregate that similatesthe built-in AVG aggregate(I) Calculate a "trimmed" average by group (average excluding highestand lowest values) using built-in aggregates(J) Calculate a "trimmed" average by group using a CLR aggregatespecially designed for this purposeA sample of the results is as follows (time in milliseconds):(59 row(s) affected)G: 313(59 row(s) affected)H: 890(59 row(s) affected)I: 216(59 row(s) affected)J: 846It seems that the CLR aggregates came with a significant performancepenalty over the built-in aggregates. Perhaps they would pay off if Iwere attempting a very complex type of aggregation. However, at thispoint I'm going to shy away from using these unless I can't find a wayto do the calculation with standard SQL.In a way, I'm happy that basic SQL still seems to be the fastest way toget things done. With the addition of the new CLR functionality, Isuspect that MS may be giving us developers enough rope to comfortablyhang ourselves if we're not careful.Bill E.Hollywood, FL------------------------------------------------------------------------- table TestAssignment, about 300,000 rowsCREATE TABLE [dbo].[TestAssignment]([TestAssignmentID] [int] NOT NULL,[ProductID] [int] NULL,[PercentPassed] [int] NULL,CONSTRAINT [PK_TestAssignment] PRIMARY KEY CLUSTERED([TestAssignmentID] ASC)--Scalar UDF in SQLCREATE FUNCTION [dbo].[fnIsEven](@intValue int)RETURNS bitASBEGINDeclare @bitReturnValue bitIf @intValue % 2 = 0Set @bitReturnValue=1ElseSet @bitReturnValue=0RETURN @bitReturnValueEND--Scalar CLR UDF/*using System;using System.Data;using System.Data.SqlClient;using System.Data.SqlTypes;using Microsoft.SqlServer.Server;public partial class UserDefinedFunctions{[Microsoft.SqlServer.Server.SqlFunction(IsDetermini stic=true,IsPrecise=true)]public static SqlBoolean IsEven(SqlInt32 value){if(value % 2 == 0){return true;}else{return false;}}};*/--Test #1--Scenario A - Query with calculated column--SELECT TestAssignmentID,CASE WHEN TestAssignmentID % 2=0 THEN 1 ELSE 0 END ASCalcColumnFROM TestAssignment--Scenario B - Query with calculated column as criterion--SELECT TestAssignmentID,CASE WHEN TestAssignmentID % 2=0 THEN 1 ELSE 0 END ASCalcColumnFROM TestAssignmentWHERE CASE WHEN TestAssignmentID % 2=0 THEN 1 ELSE 0 END=1--Scenario C - Query using scalar UDF--SELECT TestAssignmentID,dbo.fnIsEven(TestAssignmentID) AS CalcColumnFROM TestAssignment--Scenario D - Query using scalar UDF as crierion--SELECT TestAssignmentID,dbo.fnIsEven(TestAssignmentID) AS CalcColumnFROM TestAssignmentWHERE dbo.fnIsEven(TestAssignmentID)=1--Scenario E - Query using CLR scalar UDF--SELECT TestAssignmentID,dbo.fnIsEven_CLR(TestAssignmentID) AS CalcColumnFROM TestAssignment--Scenario F - Query using CLR scalar UDF as crierion--SELECT TestAssignmentID,dbo.fnIsEven_CLR(TestAssignmentID) AS CalcColumnFROM TestAssignmentWHERE dbo.fnIsEven(TestAssignmentID)=1--CLR Aggregate functions/*using System;using System.Data;using System.Data.SqlClient;using System.Data.SqlTypes;using Microsoft.SqlServer.Server;[Serializable][Microsoft.SqlServer.Server.SqlUserDefinedAggregate (Format.Native)]public struct Avg{public void Init(){this.numValues = 0;this.totalValue = 0;}public void Accumulate(SqlDouble Value){if (!Value.IsNull){this.numValues++;this.totalValue += Value;}}public void Merge(Avg Group){if (Group.numValues > 0){this.numValues += Group.numValues;this.totalValue += Group.totalValue;}}public SqlDouble Terminate(){if (numValues == 0){return SqlDouble.Null;}else{return (this.totalValue / this.numValues);}}// private accumulatorsprivate int numValues;private SqlDouble totalValue;}[Serializable][Microsoft.SqlServer.Server.SqlUserDefinedAggregate (Format.Native)]public struct TrimmedAvg{public void Init(){this.numValues = 0;this.totalValue = 0;this.minValue = SqlDouble.MaxValue;this.maxValue = SqlDouble.MinValue;}public void Accumulate(SqlDouble Value){if (!Value.IsNull){this.numValues++;this.totalValue += Value;if (Value < this.minValue)this.minValue = Value;if (Value > this.maxValue)this.maxValue = Value;}}public void Merge(TrimmedAvg Group){if (Group.numValues > 0){this.numValues += Group.numValues;this.totalValue += Group.totalValue;if (Group.minValue < this.minValue)this.minValue = Group.minValue;if (Group.maxValue > this.maxValue)this.maxValue = Group.maxValue;}}public SqlDouble Terminate(){if (this.numValues < 3)return SqlDouble.Null;else{this.numValues -= 2;this.totalValue -= this.minValue;this.totalValue -= this.maxValue;return (this.totalValue / this.numValues);}}// private accumulatorsprivate int numValues;private SqlDouble totalValue;private SqlDouble minValue;private SqlDouble maxValue;}*/--Test #2--Scenario G - Average Query using built-in aggregate--SELECT ProductID, Avg(Cast(PercentPassed AS float))FROM TestAssignmentGROUP BY ProductIDORDER BY ProductID--Scenario H - Average Query using CLR aggregate--SELECT ProductID, dbo.Avg_CLR(Cast(PercentPassed AS float)) AS AverageFROM TestAssignmentGROUP BY ProductIDORDER BY ProductID--Scenario I - Trimmed Average Query using built in aggregates/setoperations--SELECT A.ProductID,CaseWhen B.CountValues<3 Then NullElse Cast(A.Total-B.MaxValue-B.MinValue ASfloat)/Cast(B.CountValues-2 As float)End AS AverageFROM(SELECT ProductID, Sum(PercentPassed) AS TotalFROM TestAssignmentGROUP BY ProductID) ALEFT JOIN(SELECT ProductID,Max(PercentPassed) AS MaxValue,Min(PercentPassed) AS MinValue,Count(*) AS CountValuesFROM TestAssignmentWHERE PercentPassed Is Not NullGROUP BY ProductID) BON A.ProductID=B.ProductIDORDER BY A.ProductID--Scenario J - Trimmed Average Query using CLR aggregate--SELECT ProductID, dbo.TrimmedAvg_CLR(Cast(PercentPassed AS real)) ASAverageFROM TestAssignmentGROUP BY ProductIDORDER BY ProductID
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Sep 14, 2004
Hi All,
Does anyone know the syntax for an insert statement using Openquery in a stored procedure? All the examples I've seen are Select statements, but I want to send data to a linked server.
Would I be better off using DTS??
Thanks,
Greg
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Dec 13, 2007
How to create linked server to Dbf,
How to openquery util step by step
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Sep 19, 2007
HI,
Can we use OPENQUERY with a parameter? Something like this:
SELECT * FROM OPENQUERY(@SOURCE_SERVER_NAME, 'Select * from dbo.FEED')
Please let me know at the earliest. Thanks a lot,.
Mannu.
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Apr 18, 2008
Hi everybody,
I am having a problem using a servername with '' in the openquery statement. I'd really appriciate if someone could suggest how I should be using it. Here is the query:
select * from openquery(sqldev est,'SELECT COUNT(*) FROM t_login WHERE username=''Tom''') into count
thanks in advance
devmetz
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May 20, 2008
Hi All,I want to use the following code to use 'NOT LIKE' clause for my File system search here is the code:SELECT Docs.FileNameFROM OPENQUERY(OPINIONSERVER, 'SELECT Filename FROM SCOPE() WHERE FREETEXT(''Any text not to search'')') AS Docs I want to use the above code for my html file system search similar to:ColumnName NOT LIKE N'%1971%'The confusing part for me is that in normal queries we use the column name to search in, but while searching in the file system using the FREETEXT() function how we exclude the words user dont want to search.I am using Dotnetnuke.
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Nov 20, 2002
Hello,
if I am running this query and getting the error the below error
SELECT * FROM OPENQUERY(AS400ODBC,'
SELECT CBH_CREDIT_MEMO_NMBR,CBH_CREDIT_MEMO_DATE,CBH_CUST _TAX_CODE,
CBH_TAXABLE_TOTAL,CBH_CUST_NMBR FROM CREDITBLDH CR1 WHERE CR1.
CBH_CREDIT_MEMO_DATE = (SELECT MAX(CR2.CBH_CREDIT_MEMO_DATE) FROM CREDITBLDH CR2 WHERE CR1.CBH_CUST_NMBR = CR2.CBH_CUST_NMBR)')
Server: Msg 7399, Level 16, State 1, Line 1
OLE DB provider 'MSDASQL' reported an error.
[OLE/DB provider returned message: [IBM][iSeries Access ODBC Driver][DB2 UDB]SQL0666 - Estimated query processing time 7211 exceeds limit 600.]
What can I do for this?.
I can able to run fine without subquery
You suggestion appreciated.
T's,
Ravi
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Jan 22, 2003
Hi,
I am using the below SQL query for Oracle
SELECT FP_MONTH
FROM CDWD..CDW.ACCOUNT_SALES
WHERE LAST_MODIFIED_DT > '2002-12-01 00:00:00.000'
OR SOURCE_CONTROL_DT > '2002-12-01 00:00:00.000'
My questions are
1. If I am using this date fileter it is taking long time than without filter
Why ?.
2. How I can write Open query for the above query?.
I am expecting valuable advice.
Thanks,
Ravi
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Feb 5, 2003
Hi,
I need your help to solve this error.
I am running the open query against Oracle server and this shows blow.
UPDATE Lp.dbo.CB
SET oldest_invoice_date = x.oldest_invoice_date
FROM ( SELECT MIN(INVOICE_DATE) as oldest_invoice_date,
I.ACCOUNT_NUM
FROM CDWD..CDW.INVOICE I
WHERE I.INVOICE_NUM >= 0
AND INVOICE_DATE IS NOT NULL
GROUP BY (I.ACCOUNT_NUM)
)x
WHERE account_num = x.ACCOUNT_NUM
I am getting the below error
Server: Msg 207, Level 16, State 3, Line 1
Invalid column name 'oldest_invoice_date'.
Anybody give solution what I am doing wrong?.
Thanks,
Ravi
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Aug 25, 2004
Does anyone know how to use the openquery() method with dynamic SQL? I've tried these two different approaches with no success. DECLARE @sql nvarchar(4000)SET @sql = 'select producer_id from producer where producer_id = ' 'A' ' ' select producer_id from openquery([sybtest], @sql) -------------------------------------------DECLARE @producer_id char(1)SET @producer_id = 'A' select producer_id from openquery([sybtest], 'select producer_id from producer where producer_id = ' ' ' + @producer_id + ' ' ' ' )
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Oct 11, 2005
I am trying to do the following:
SELECT ExpireDate
FROM OPENQUERY([10.22.10.79], Expire Date
From Product Where [ExpireDate] > 2005-12-31')
GO
However the above sql statement doesn't get the dates greater than the date provided unless there are quotes around the date. How do I add a variable that will cover this date and include the identifiers to get the correct records
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Jan 29, 2004
Hi,
Here's what I did:
1) I declared a new VARCHAR(2000) variable called CQUERY like this:
DECLARE @CQUERY VARCHAR(2000)
2) I put a string query in the variable:
SET @CQUERY = 'SELECT ...'
Now, when I try to execute the OpenQuery method using that variable, it fails.
Here's the call:
SELECT * FROM OPENQUERY(OracleSource, @CQUERY)
I get the following error:
Server: Msg 170, Level 15, State 1, Line 13
Line 13: Incorrect syntax near '@CQUERY'.
Don't tell me I can't use a variable instead of a static query? What am I doing wrong?
Thanks,
Skip.
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Jun 12, 2008
Hi,
I am trying to execute a ServerB stored Procedure which takes Int as paramter using OpenQuery in ServerA.But this doesnt seems to working.
Please Help !!!!
DECLARE @param1 INT
SET @param1 1
SELECT *
FROM OPENQUERY(ServerB,'DBNAME.dbo.SP_NAME ''@param1''')
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Jul 23, 2005
In SQL Server 2000 I have set up an Oracle linked server. When I runthe following query it runs fine:-SELECT*FROMOPENQUERY(LINKEDSERVERNAME,'SELECT * FROM ORACLETABLENAME')However the following query does not work:-SELECT*FROMOPENQUERY(LINKEDSERVERNAME,'SELECT FIELDNAME FROM ORACLETABLENAME')This error is returned:-Server: Msg 7321, Level 16, State 2, Line 1An error occurred while preparing a query for execution against OLE DBprovider 'MSDAORA'.[OLE/DB provider returned message: ORA-00904: "FIELDNAME": invalididentifier]OLE DB error trace [OLE/DB Provider 'MSDAORA' ICommandPrepare::Preparereturned 0x80040e14].Basically select * works ok, but if I specify the field(s) I need thenit errors. I have tried entering the field names in upper and lowercase but it makes no difference.My real problem is that some dates in the Oracle database are pre 1753which SQL server does not recognise so I need to convert (decode) them.Any help would be appreciated.ThanksChris
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Mar 31, 2008
Hi,
To access data from Linked server, which of the following is good Performance-wise:
1. Use of OPENQUERY to access data from Linked server
2. Using Direct query to access data using the four part Name of Linked server
Thanks in Advance.
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Oct 23, 2007
I have a dataming stored procedure. it works fine on it own, thanks to help from this forum. However, when i try to run aggregate funtions on the table it returns using sql server I get:
"The OLE DB provider "MSOLAP" for linked server "DM" indicates that either the object has no columns or the current user does not have permissions on that object."
This works:
CALL Assemby.Namespace.MyFunction('[model]', 'db','table',0)
And this works:
SELECT SUM([prediction]) as value, count([prediction]) as count FROM OPENQUERY(DM,'
--DMX query that sproc produces and executes
')
but this:
SELECT SUM([prediction]) as value, count([prediction]) as count FROM OPENQUERY(DM,'
CALL Assemby.Namespace.MyFunction(''[model]'', ''db'',''table'',0)
')
gives this:
The OLE DB provider "MSOLAP" for linked server "DM" indicates that either the object has no columns or the current user does not have permissions on that object.
Could anyone point me in the right direction?
Thanks,
Adam
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Feb 18, 2007
Hello,
I've got a problem with OPENQUERY. When I use SQL Server Management Studio, I don't have any errors (I'm logged as Admin via Windows Auth.). When I try to use Adomd via ASP.NET (user - ASPNET with admin role, which is set in Man. Studio), I've got an error: Errors in the high-level relational engine. A connection could not be made to the data source specified in the query. Any idea? Other querries work fine (i mean that querries which don't use OPENQUERY statement).SELECT
t.[Name],
[DecisionTreeModel].[Party],
PredictProbability([Party])
From
[DecisionTreeModel]
PREDICTION JOIN
OPENQUERY([VotingRecordsRDS],
'SELECT
[Name],
[Permanent Tax Cuts],
[Campaign Finance Overhaul]
FROM
[dbo].[VotingRecords]
') AS t
ON
[DecisionTreeModel].[Permanent Tax Cuts] = t.[Permanent Tax Cuts] AND
[DecisionTreeModel].[Campaign Finance Overhaul] = t.[Campaign Finance Overhaul]
ORDER BY PredictProbability([Party]) DESC
Thank you in advance for any help with this.
MM
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May 19, 2008
We are running the following query against a MYSQL database that runs a third party software.
SELECT Email, CONVERT(INT, count) AS clicks, date AS Last_Clicked_Date
FROM OPENQUERY(MYSQL, 'SELECT Email, SUM(count) count, MAX(date) date FROM tracking WHERE action="click" GROUP BY Email')
We are upgrading that software to the latest version. This requires a migration from MYSQL to PostGres.
There are some schema changes involved
Current MYSQL field name New PostGres field name
email email_address
date tracking_date
action action_name
I've modified the query to use the new fields
SELECT Email_address, CONVERT(INT, count) AS clicks, date AS Last_Clicked_Date
FROM OPENQUERY(MYSQL, 'SELECT Email_address, SUM(count) count, MAX(tracking_date) date FROM tracking WHERE action_name="click" GROUP BY Email_address')
and I get the following error message -
Msg 7399, Level 16, State 1, Line 1
The OLE DB provider "MSDASQL" for linked server "test" reported an error. The provider reported an unexpected catastrophic failure.
Msg 7350, Level 16, State 2, Line 1
Cannot get the column information from OLE DB provider "MSDASQL" for linked server "test".
When I run this query it works -
select email_address, tracking_date
from openquery(test, 'select * from tracking')
What am I doing wrong?
Thanks
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Feb 13, 2008
Hi All,
I would like to say Thank you in advance, i have a big problem with a deadline coming on friday, Here is my problem, i want to access data from remote server, the server name is "SeverName" just for some reason, and my table name is T1, T2, T3, T4. and My Comlumn Names are, Col1, Col2, .......Col11. Here is the code i used and the error i got: Note that T1=Table one, DB =DataBase, Col = Column.
Select
Col1 ,
Col2,
Col3,
Col4,
Col5,
Col6,
Col7,
Col8,
Col9,
Col10,
Col11
From
Openquery (ServerName , '
Select
T1.Col1,
CAST(substring(T1.Col2,1,255) AS Varchar(255)) AS Col2,
CAST(substring(T1.Col3,1,255) AS Varchar(255)) AS Col3,
CAST(substring(T1.Col4,1,255) AS Varchar(255)) AS Col4,
T1.Col5,
CAST(substring(T1.Col6,1,4000) AS Varchar(4000)) AS Col6,
T1.Col7,
CAST(substring(T1.Col8,1,255) AS Varchar(255)) AS Col8,
T3.Col9 As Col9
CAST(substring(T2.Col10,1,255) AS Varchar(255)) AS Col10,
T4.Col11 AS Col11,
FROM
DB.T1 a
Inner Join
DB.T2 b
on b.T2ID = a.T1ID
Inner Join
DB.T3 c
on c.T3ID = a.T1ID"
Inner Join
DB.T4 d
On d.T4ID = a.T1ID
')
Here is the error i got:
€œ[OLE/DB provider returned message: No query has been assigned to this statement.]
OLE DB error trace [OLE/DB Provider 'MSDASQL' IColumnsInfo::GetColumnsInfo returned 0x80004005: ].
Msg 7399, Level 16, State 1, Line 1
OLE DB provider 'MSDASQL' reported an error. €œ
Please help, anyone who could have any alternative it will be fine, if the code is wrong let me know, what ever reason i will take it.
Thank you again,
Sami
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Aug 21, 2007
We have a MS SQL database with an Oracle linked server 'ALTTEST'
We can Select, Insert, Delete and Update tables on the Oracle Db using OpenQuery, but how do I apply a table lock with a transaction?
I've tried applying the code below, but it doesn't work.
Any help appreciated.
BEGIN TRAN
SELECT * from openquery(ALTTEST,'select LAST_PIN_NUMBER from sys_params') WITH (TABLOCKX)
COMMIT
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Jan 22, 2006
I'm performing a particular word Search in MS Word, Text, PDF docs and displaying the results through Index Server linked to SQL Server when it is matched. For which I'm using Openquery in the stored procedure which works fine in Query Analyzer of the SQL Server but doesn't work ( displays none of the results) when i call it from the ASP.NET Page. I am not able to figure out Where and What is the problem? The Stored Proc which is i'm using is shown below Any help will be greatly appreciated. Thanks for your time and help in Advance
CREATE PROCEDURE SelectIndexServerCVpaths ( @searchstring varchar(100) ) AS SET @searchstring = REPLACE( @searchstring, '''', '''''' ) IF EXISTS (SELECT TABLE_NAME FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME = 'FileSearchResults') DROP VIEW FileSearchResults EXEC ('CREATE VIEW FileSearchResults AS SELECT * FROM OPENQUERY(FileSystem,''SELECT Directory, FileName, DocAuthor, Size, Create, Write, Path FROM SCOPE('''' "c:inetpubwwwrootsap-resourcesUploads" '''') WHERE FREETEXT(''''' + @searchstring + ''''')'')') SELECT * FROM CVdetails C, FileSearchResults F WHERE C.CV_Path = F.PATH AND C.DefaultID=1 GO
which works with followin stat in Query Analyzer Exec SelectIndexServerCVpaths @searchstring = 'The Search text'
but doesn't work when i connect it to a Datagrid in my ASP.NET Page objcmd = new SqlCommand("SelectIndexServerCVpaths", objConn); objcmd.CommandType = CommandType.StoredProcedure; objcmd.Parameters.Add("@searchstring",strsearchstrings); objConn.Open(); objRdr = objcmd.ExecuteReader(); dgcvs.DataSource=objRdr; dgcvs.DataBind(); objRdr.Close(); objConn.Close();
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Mar 27, 2001
Does anybody know how to pass variables to openquery statement? I executed the following statement against DB2 mainframe
and got an error message.
Thanks in advance
Hung-Ban
declare @deptname varchar(20)
select @deptname = 'HEAD OFFICE'
select DEPTNUMB,DEPTNAME from openquery(m1db2u,"select DEPTNUMB,DEPTNAME from Q.ORG
where DEPTNAME=@deptname")
Server: Msg 7399, Level 16, State 1, Line 4
OLE DB provider 'MSDASQL' reported an error.
[OLE/DB provider returned message: [IBM][CLI Driver][DB2] SQL0206N "@DEPTNAME " is not a column in an inserted table, updated table, or any table identified in a FROM clause or is not a valid transition variable for the subject table of a trigger. SQLSTATE=42703
]
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Nov 7, 2005
Is there a way to use nested OPENQUERY's in a DTS package??
I have the following SQL statement (whichs execute without error) that I would like to make a DTS package out of:
INSERT tbl_Sku SELECT AX.sku_id, AX.style_id, AX.style_color_id, AX.style_size_id, AY.color_id, AY.size_master_id from OPENQUERY("SVR-1",'SELECT sku_id, style_id, style_color_id, style_size_id FROM merch.dbo.sku') as AX, OPENQUERY("SVR-2",'SELECT sku_id, style_id, color_id, size_master_id FROM ma.dbo.sku') as AY Where AX.sku_id = AY.sku_id
The problem I am having is the connection object of the DTS package. It will not allow an OPENQUERY inside an OPENQUERY. How do I set up a third comnnection??
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Nov 14, 2006
I'm getting the message
"Subquery returned more than 1 value." etc when running a query on a
linked server through OpenQuery. This returns around 6 values
(some of them are fairly long varchar's).
When running another query the same way which returns 2 values,
it works fine.
The problem query also works fine when run locally. It's calling a User-Defined Functions which returns a table, but the second query which works fine also does this.
Where can this subquery be ? Inside the UDF (shouldn't matter, should it?) ?
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Apr 16, 2004
Im currently trying to query an AS400 table which I know contains 18 rows. However when executing a query through Query Analyzer' using
SELECT * FROM OPENQUERY(SERVER_NAME,'SELECT col1,col2,col3 FROM DS.TABLE')
I'm only getting one row returned.
Has anyone any experience of this kind of issue, and if so a resolution?
Cheers
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Oct 19, 2007
I need to run a report using a linked server on SQL 2005. The report was running really slow so I tried doing an OPENQUERY which makes it a lot faster. However, I need to pass some parameters and not sure how to do it using OPENQUERY. Here is the query:
SELECT RTRIM(client.ClientID) AS ClientID, client.name2 AS Client_Name, Project.Project, Project.StatutoryDueDate AS DueDate, Project.Extension1, Project.Extension2, Project.StartDate AS AsofDate, Project.PromiseDate AS CommitmentDate, Project.ReceivedDate AS InfoIn, Task.TaskID, Task.Empid, Task.ActualStartDate, Task.ActualFinishDate, Client.Partner,
STAFF.PersonalTitle AS PIC,
Client.Manager,
MGR.PersonalTitle AS TIC,
Client.Accountant,
ACCT.PersonalTitle AS AIC,
CASE WHEN Task.TaskID = 'PREP' THEN EMP.personaltitle END AS Prep_BY,
CASE WHEN Task.TaskID = 'REV' THEN EMP.personaltitle END AS Rev_By,
CASE WHEN Task.TaskID = 'PREP' THEN Task.ActualStartDate END AS Prep_Date,
CASE WHEN Task.TaskID = 'REV' THEN Task.ActualStartDate END AS Rev_Date,
CASE WHEN Task.TaskID = 'MAIL' THEN Task.ActualFinishDate END AS Mailed_Date,
CASE WHEN Task.TaskID = 'TESNT' THEN Task.ActualFinishDate END AS TE_OUT,
CASE WHEN Task.TaskID = 'TERCD' THEN Task.ActualFinishDate END AS TE_IN
FROM PROJECT, PROJCUS, TASK LEFT OUTER JOIN STAFF EMP ON TASK.EMPID = EMP.EMPID, CLIENT LEFT OUTER JOIN STAFF ON CLIENT.Partner = STAFF.EmpID LEFT OUTER JOIN STAFF MGR ON CLIENT.Manager = MGR.EmpID LEFT OUTER JOIN STAFF ACCT ON CLIENT.Accountant = ACCT.EMPID
WHERE CLIENT.ClientID = PROJECT.ClientID AND CLIENT.Engagement = PROJECT.Engagement AND PROJECT.Project = PROJCUS.Project AND
PROJECT.Engagement = PROJCUS.Engagement AND PROJECT.ClientID = PROJCUS.ClientID AND CLIENT.ClientID = TASK.ClientID AND CLIENT.Engagement = TASK.Engagement AND PROJECT.Project = TASK.Project AND CLIENT.DroppedDate IS NULL AND ((PROJCUS.[~Custom35])='BT') AND (CLIENT.OfficeID in (@OfficeID)) AND (PROJECT.Project in (@Project))
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Jul 23, 2005
Anyone,Is this possible?I am connecting to a TeraData server via MS SQL 8.0 using the OpenQuerystatement. I need to pass a list of ever-changing deal numbers Mylist of numbers are stored as a table on MS SQL.So what I want is thisSelect * from OpenQuery(TeraSrvr, "Select Col1, Col2, Col3[color=blue]>From Teradata_Table_1[/color]Where Deal_no in (Select Deal_no from SQLTable)")Now I know that wont work, but How can I pass 184 Deal Numbers from mySQL server to this query before it is sent to the Teradata server to bedone? Do I have to keep re-doing an in statement each month?Anyone can help?Doug
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Jul 20, 2005
Hello,Quick, and possibly strange, question.I am doing some work testing the running time of some dynamic SQLstatements on a remote machine. What I would like to do is executethe SQL on the remote machine, without returning the result set to thecalling machine (this would skew the results, as my connection to theremote machine is rather slow).I believe SET ROWCOUNT 0 would work in principle, but thedocumentation says:"Causes Microsoft® SQL Server™ to stop processing the query after thespecified number of rows are returned."I don't want processing to stop until all the records have beenidentified. I also don't know if "SET ROWCOUNT" works with openquery(althought a non-openquery solution would also be acceptable).The code will be running in a stored procedure, if that matters.Any input would be much appreciated.Phil
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Jul 20, 2005
I created a stored procedure like this:CREATE PROCEDURE SPASBEGINCREATE TABLE #T( C INT )INSERT INTO #T(C) VALUES (1)SELECT * FROM #TENDWhen I call it this way: EXEC SP, it works ok.But when I do it like this:SELECT * FROM OPENQUERY( MYSERVER, 'EXEC SP')I receive an error: Invalid object name '#T'Why?...*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Nov 15, 2006
Hi,
I run openquery() from a client application(sql 2005) to query SSAS data(sql 2005) through a linked server(sql 2005), but I get the following error:
OLE DB provider "MSOLAP" for linked server "LINKEDMINING" returned message "An error was encountered in the transport layer.".
OLE DB provider "MSOLAP" for linked server "LINKEDMINING" returned message "The peer prematurely closed the connection.".
Msg 7303, Level 16, State 1, Procedure gettpdt, Line 3
Cannot initialize the data source object of OLE DB provider "MSOLAP" for linked server "LINKEDMINING".
And, I am sure that I have made the MSOLAP provider Allow inprocess.
What can i do for this. Please advise.
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Aug 20, 2007
Hi!
I'm relatively new to sql.I want to import data from an excel file into a sql table.Could I use Openquery?In this case,what should I specify at the linked_server parameter?All I know is the SQL server name,\tmav035a.
Thanks in advance!
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Nov 7, 2006
I'm trying to Insert data from a linked server connection into one of my tables in the sql database. it seems to be giving me an error saying column cant be found. It only does this when I put the Where clause in the statement. I dont have the server in front of me but this is how my statement looks.
Insert into WorkList (DSK)
Select *
From OPENQUERY (SCH, 'Select Desk_ID from public.ACCOUNT Where Desk_ID = LA1')
The error that I get is the LA1 column cant be found? any help thanks
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