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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsForumForumSQL Exception: Subquery returned more than 1 valueSQL Exception: Subquery returned more than 1 value
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8/6/2010 3:01 PM
 
John Kisha

Joined: 12/12/2003
Posts: 47
I tried installing Forum V4.5.3 on DNN V5.4.1 on SQL 2008 and got the following SQL error. Any ideas why or if there is anything I need to do or if this error will effect the functionality of the module? Thanks.

Warning SQL Execution resulted in following Exceptions: System.Data.SqlClient.SqlException: Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at DotNetNuke.Data.SqlDataProvider.ExecuteADOScript(String SQL) at DotNetNuke.Data.SqlDataProvider.ExecuteScript(String Script, Boolean UseTransactions) DECLARE @default_constraint_name SYSNAME, @sql NVARCHAR(3750) IF EXISTS ( SELECT name FROM dbo.sysobjects WHERE parent_obj = OBJECT_ID(N'dbo.Forum_Users') AND type = 'D' AND id = ( SELECT cdefault FROM syscolumns WHERE name = N'EmailFormat' ) ) BEGIN SELECT @default_constraint_name = name FROM dbo.sysobjects WHERE parent_obj = OBJECT_ID(N'dbo.Forum_Users') AND type = 'D' AND id = ( SELECT cdefault FROM syscolumns WHERE name = N'EmailFormat' ) SET @sql = N'ALTER TABLE dbo.Forum_Users DROP Constraint ' + @default_constraint_name EXEC sp_executesql @sql END System.Data.SqlClient.SqlException: Column already has a DEFAULT bound to it. Could not create constraint. See previous errors. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at DotNetNuke.Data.SqlDataProvider.ExecuteADOScript(String SQL) at DotNetNuke.Data.SqlDataProvider.ExecuteScript(String Script, Boolean UseTransactions) ALTER TABLE dbo.Forum_Users ADD CONSTRAINT DF_Forum_Users_EmailFormat DEFAULT (1) FOR EmailFormat 
 
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8/6/2010 5:00 PM
 
Fuji Nguyen


Joined: 8/6/2010
Posts: 35
id = ( SELECT cdefault FROM syscolumns WHERE name = N'EmailFormat' ) It errored out when your sub query (above) returned more then 1 record. Run the statement "SELECT cdefault FROM syscolumns WHERE name = N'EmailFormat' " and see how many records you get back.
 
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8/6/2010 8:11 PM
 
John Kisha

Joined: 12/12/2003
Posts: 47
Thanks so much for your quick reply. That statement returned two records: 1. 1567344648 2. 0 Should I delete the second record? And why would there have been a second record in that table to begin with? This was a new install of the Forum. Thanks again, JK

PS. I should add, that if I need to delete it, can you please tell me exactly how. I'm not very proficient with SQL.
 
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