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Sep 2, 2014

I am doing parameterized queries from Visual Basic in Visual Studio.

I have a query where I want to do something like this.

Select * from people where city in (<list of cities>)

The problem is I want to build my <list of cities> in Visual Basic and pass it to the SQL as a parameter.

I know I can't do this:

Select * from people where city in (@ListOfCities)

Currently, I'm doing this by writing the <list of cities> out to a separate table, just so I can do the query.

Select * from people where city in (Select CityName from CityTable)

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Ok, I want to write a stored procedure / query that says the following:
Code:
If any of the items in list 'A' also appear in list 'B' --return false
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In pseudo-SQL, I want to write a clause like this

Code:

IF
(SELECT values FROM tableA) IN(SELECT values FROM tableB)
Return False
ELSE
Return True


Unfortunately, it seems I can't do that unless my subquery before the 'IN' statement returns only one value. Needless to say, it returns a number of values.

I may have to achieve this with some kind of logical loop but I don't know how to do that.

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Hi,
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I have a select list of fields that I need to select to get the results I need, however, I would like to insert only a chosen few of these fields into a table. I am getting the error, "The select list for the INSERT statement contains more items than the insert list. The number of SELECT values must match the number of INSERT columns."
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Insert Query:
insert into tsi_payments (PPID, PTICKETNUM, PLINENUM, PAMOUNT, PPATPAY, PDEPOSITDATE, PENTRYDATE, PHCPCCODE)
SELECT DISTINCT
tri_IDENT.IDA AS PPID,
tri_Ldg_Tran.CLM_ID AS PTicketNum,
tri_ClaimChg.Line_No AS PLineNum,
tri_Ldg_Tran.Tran_Amount AS PAmount,

CASE WHEN tln_PaymentTypeMappings.PTMMarsPaymentTypeCode = 'PATPMT'
THEN tri_ldg_tran.tran_amount * tln_PaymentTypeMappings.PTMMultiplier
ELSE 0 END AS PPatPay,

tri_Ldg_Tran.Create_Date AS PDepositDate,
tri_Ldg_Tran.Tran_Date AS PEntryDate,
tri_ClaimChg.Hsp_Code AS PHCPCCode,
tri_Ldg_Tran.Adj_Type,
tri_Ldg_Tran.PRS_ID,
tri_Ldg_Tran.Create_Time,
tri_Ldg_Tran.Adj_Group,
tri_Ldg_Tran.Payer_ID,
tri_Ldg_Tran.TRN_ID,
tri_ClaimChg.Primary_Claim,
tri_IDENT.Version
FROM [AO2AO2].MARS_SYS.DBO.tln_PaymentTypeMappings tln_PaymentTypeMappings RIGHT OUTER JOIN
qs_new_pmt_type ON tln_PaymentTypeMappings.PTMClientPaymentDesc =
qs_new_pmt_type.New_Pmt_Type RIGHT OUTER JOIN
tri_Ldg_Tran RIGHT OUTER JOIN
tri_IDENT LEFT OUTER JOIN
tri_ClaimChg ON tri_IDENT.Pat_Id1 =
tri_ClaimChg.Pat_ID1 ON tri_Ldg_Tran.PRS_ID =
tri_ClaimChg.PRS_ID AND
tri_Ldg_Tran.Chg_TRN_ID =
tri_ClaimChg.Chg_TRN_ID
AND tri_Ldg_Tran.Pat_ID1 = tri_IDENT.Pat_Id1 LEFT OUTER JOIN
tri_Payer ON tri_Ldg_Tran.Payer_ID
= tri_Payer.Payer_ID ON qs_new_pmt_type.Pay_Type
= tri_Ldg_Tran.Pay_Type AND
qs_new_pmt_type.Tran_Type = tri_Ldg_Tran.Tran_Type
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Hi,

I have a a table that holds a list of words, I am trying to add to the list, however I only want to add new words. But I wish to return from my proc the list of words with ID, whether it is new or old.

Here's a script. the creates the table,indexes, function and the storeproc. call the proc like procStoreAndUpdateTokenList 'word1,word2,word3'

My table is now 500000 rows and growing and I am inserting on average 300 words, some new some old.

performance is a not that great so I'm thinking that my code can be improved.

SQL Express 2005 SP2
Windows Server 2003
1GB Ram....(I know, I know)

TIA





Code Snippet
GO
CREATE TABLE [dbo].[Tokens](
[TokenID] [int] IDENTITY(1,1) NOT NULL,
[Token] [varchar](255) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
CONSTRAINT [PK_Tokens] PRIMARY KEY CLUSTERED
(
[TokenID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO

CREATE UNIQUE NONCLUSTERED INDEX [IX_Tokens] ON [dbo].[Tokens]
(
[Token] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = ON, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
GO
CREATE FUNCTION [dbo].[SplitTokenList]
(
@TokenList varchar(max)
)
RETURNS
@ParsedList table
(
Token varchar(255)
)
AS
BEGIN
DECLARE @Token varchar(50), @Pos int
SET @TokenList = LTRIM(RTRIM(@TokenList ))+ ','
SET @Pos = CHARINDEX(',', @TokenList , 1)
IF REPLACE(@TokenList , ',', '') <> ''
BEGIN
WHILE @Pos > 0
BEGIN
SET @Token = LTRIM(RTRIM(LEFT(@TokenList, @Pos - 1)))
IF @Token <> ''
BEGIN
INSERT INTO @ParsedList (Token)
VALUES (@Token) --Use Appropriate conversion
END
SET @TokenList = RIGHT(@TokenList, LEN(@TokenList) - @Pos)
SET @Pos = CHARINDEX(',', @TokenList, 1)
END
END
RETURN
END
GO

CREATE PROCEDURE [dbo].[procStoreAndUpdateTokenList]
@TokenList varchar(max)
AS
BEGIN
SET NOCOUNT ON;
create table #Tokens (TokenID int default 0, Token varchar(50))
create clustered index Tind on #T (Token)
DECLARE @NewTokens table
(
TokenID int default 0,
Token varchar(50)
)

--Split ID's into a table
INSERT INTO #Tokens(Token)
SELECT Token FROM SplitTokenList(@TokenList)
BEGIN TRY
BEGIN TRANSACTION
--get ID's for any existing tokens
UPDATE #Tokens SET TokenID = ISNULL( t.TokenID ,0)
FROM #Tokens tl INNER JOIN Tokens t ON tl.Token = t.Token

INSERT INTO Tokens(Token)
OUTPUT INSERTED.TokenID, INSERTED.Token INTO @NewTokens
SELECT DISTINCT Token FROM #Tokens WHERE TokenID = 0

return the list with id for new and old
SELECT TokenID, Token FROM #Tokens
WHERE TokenID <> 0
UNION
SELECT TokenID, Token FROM @Tokens
COMMIT TRANSACTION
END TRY
BEGIN CATCH
DECLARE @er nvarchar(max)
SET @er = ERROR_MESSAGE();
RAISERROR(@er, 14,1);
ROLLBACK TRAN
END CATCH;
END
GO




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41
42 End Sub
43
44
45 End Class
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cn = new SqlConnection(ConfigurationManager.ConnectionStrings["ReConnectionString"].ConnectionString);
cmd = new SqlCommand(sqlStmt, cn);
cmd.CommandType = CommandType.Text;

//Insert UK
if (chkUK.Checked == false)
{
cmd.Parameters.Add(new SqlParameter("@Re_UK_Eligible", DBNull.Value));
}
if ((chkUK.Checked == true) && (UKRadioButtonList.SelectedIndex > -1))
{
cmd.Parameters.Add(new SqlParameter("@Re_UK_Eligible", UKRadioButtonList.SelectedItem.Text));
}

//Insert AUS
if (chkAUS.Checked == false)
{
cmd.Parameters.Add(new SqlParameter("@Re_Aus_Eligible", DBNull.Value));
}
if ((chkAUS.Checked == true) && (AUSRadioButtonList.SelectedIndex > -1))
{
cmd.Parameters.Add(new SqlParameter("@Re_Aus_Eligible", AUSRadioButtonList.SelectedItem.Text));
}

//Insert CAN
if ((chkCAN.Checked == false))
{
cmd.Parameters.Add(new SqlParameter("@Re_Can_Eligible", DBNull.Value));
}
if ((chkCAN.Checked == true) && (CANRadioButtonList.SelectedIndex > -1))
{
cmd.Parameters.Add(new SqlParameter("@Re_Can_Eligible", CANRadioButtonList.SelectedItem.Text));
}

//Insert USA
if (chkUSA.Checked == false)
{
cmd.Parameters.Add(new SqlParameter("@Re_USA_Eligible", DBNull.Value));
}
if ((chkUSA.Checked == true) && (USARadioButtonList.SelectedIndex > -1))
{
cmd.Parameters.Add(new SqlParameter("@Re_USA_Eligible", USARadioButtonList.SelectedItem.Text));
}

//Contact Details
cmd.Parameters.Add(new SqlParameter("@Re_Address1", Address1TextBox.Text));

if (Address2TextBox.Text == "")
{
cmd.Parameters.Add(new SqlParameter("@Re_Address2", DBNull.Value));
}
else
{
cmd.Parameters.Add(new SqlParameter("@Re_Address2", Address2TextBox.Text));
}

if (Address3TextBox.Text == "")
{
cmd.Parameters.Add(new SqlParameter("@Re_Address3", DBNull.Value));
}
else
{
cmd.Parameters.Add(new SqlParameter("@Re_Address3", Address3TextBox.Text));
}


cmd.Parameters.Add(new SqlParameter("@Re_City", CityTextBox.Text));
cmd.Parameters.Add(new SqlParameter("@Re_Postcode", PostcodeTextBox.Text));
cmd.Parameters.Add(new SqlParameter("@Re_Country", CountryDropDownList.SelectedItem.Text));

if (HomeTelephoneTextBox.Text == "")
{
cmd.Parameters.Add(new SqlParameter("@Re_Homephone", DBNull.Value));
}
else
{
cmd.Parameters.Add(new SqlParameter("@Re_Homephone", HomeTelephoneTextBox.Text));
}

if (MobileTelephoneTextBox.Text == "")
{
cmd.Parameters.Add(new SqlParameter("@Re_Mobile", DBNull.Value));
}
else
{
cmd.Parameters.Add(new SqlParameter("@Re_Mobile", MobileTelephoneTextBox.Text));
}


//Job Preferences
for (int i = 0; i < JobTypeCheckBoxList.Items.Count; i++)
{
if (JobTypeCheckBoxList.Items[i].Text == "Permanent" && JobTypeCheckBoxList.Items[i].Selected == true)
{
cmd.Parameters.Add(new SqlParameter("@Re_JobType_Per", 1));
}
else if (JobTypeCheckBoxList.Items[i].Text == "Permanent" && JobTypeCheckBoxList.Items[i].Selected == false)
{
cmd.Parameters.Add(new SqlParameter("@Re_JobType_Per", 0));
}

if (JobTypeCheckBoxList.Items[i].Text == "Temporary" && JobTypeCheckBoxList.Items[i].Selected == true)
{
cmd.Parameters.Add(new SqlParameter("@Re_JobType_Temp", 1));
}
else if (JobTypeCheckBoxList.Items[i].Text == "Temporary" && JobTypeCheckBoxList.Items[i].Selected == false)
{
cmd.Parameters.Add(new SqlParameter("@Re_JobType_Temp", 0));
}

if (JobTypeCheckBoxList.Items[i].Text == "Contract" && JobTypeCheckBoxList.Items[i].Selected == true)
{
cmd.Parameters.Add(new SqlParameter("@Re_JobType_Con", 1));
}
else if (JobTypeCheckBoxList.Items[i].Text == "Contract" && JobTypeCheckBoxList.Items[i].Selected == false)
{
cmd.Parameters.Add(new SqlParameter("@Re_JobType_Con", 0));
}
}


//Hours and Sector
for (int i = 0; i < HoursCheckBoxList.Items.Count; i++)
{
if (HoursCheckBoxList.Items[i].Text == "FullTime" && HoursCheckBoxList.Items[i].Selected == true)
{
cmd.Parameters.Add(new SqlParameter("@Re_Hours_Full", 1));
}
else if (HoursCheckBoxList.Items[i].Text == "FullTime" && HoursCheckBoxList.Items[i].Selected == false)
{
cmd.Parameters.Add(new SqlParameter("@Re_Hours_Full", 0));
}

if (HoursCheckBoxList.Items[i].Text == "PartTime" && HoursCheckBoxList.Items[i].Selected == true)
{
cmd.Parameters.Add(new SqlParameter("@Re_Hours_Part", 1));
}
else if (HoursCheckBoxList.Items[i].Text == "PartTime" && HoursCheckBoxList.Items[i].Selected == false)
{
cmd.Parameters.Add(new SqlParameter("@Re_Hours_Part", 0));
}
}
cmd.Parameters.Add(new SqlParameter("@Re_Sector", SectorDropDownList.SelectedItem.Text));

cn.Open();
cmd.ExecuteNonQuery();
  thanks,vijay

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Feb 27, 2007

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