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POSql in sql server with convert
 

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    <p>I am trying to use convert in an where clause in the select statement. My query looks like this:</p> <pre><code>SELECT DISTINCT TOP 10 [SurveyResult].* ,[Ticket].[RefNumber] FROM [SurveyResult] LEFT JOIN [Ticket] ON [SurveyResult].[TicketID] = [Ticket].[TicketID] JOIN [SurveyResponse] AS SurveyResponse1 ON [SurveyResult].[ResultID] = SurveyResponse1.[ResultID] JOIN [QuestionAnswer] AS QuestionAnswer1 ON SurveyResponse1.[AnswerID] = QuestionAnswer1.[AnswerID] JOIN [SurveyQuestion] AS SurveyQuestion1 ON QuestionAnswer1.[QuestionID] = SurveyQuestion1.[QuestionID] WHERE SurveyQuestion1.[SurveyID] = [SurveyResult].[SurveyID] AND SurveyQuestion1.[QuestionID] = 'C86CB39A-8FE0-4FE8-B38F-17F1BE611016' AND CONVERT(INT, SurveyResponse1.[Response]) &gt;= 1 AND CONVERT(INT, SurveyResponse1.[Response]) &lt;= 5 </code></pre> <p>The problem is that I get some errors when converting the values to integer in the where statement.</p> <p>I know I have some rows that don't contain numbers in the Response column but I filter those so without the convert part in the where clause I get only numbers so it works like this:</p> <pre><code>SELECT TOP 1000 [ResponseID] ,[ResultID] ,[Response] FROM [WFSupport].[dbo].[SurveyResponse] JOIN QuestionAnswer ON SurveyResponse.AnswerID = QuestionAnswer.AnswerID WHERE QuestionAnswer.QuestionID = 'C10BF42E-5D51-46BC-AD89-E57BA80EECFD' </code></pre> <p>And in the results I get numbers but once I add the convert part in the statement I I get an error that it can't convert some text to numbers.</p>
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    1. USDevart
    1. USAlecu
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    1. COWhat version of SQL Server do you use?
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      1. USStas Yarkin
    2. CO2008, I was under the impression that sql server short circuits evaluation to this condition: QuestionAnswer.QuestionID = 'C10BF42E-5D51-46BC-AD89-E57BA80EECFD' would filter the numbers before converting them but it doesn't work
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      1. USAlecu
    3. COPlease check [Short-circuiting section of this article](http://sqlblog.com/blogs/aaron_bertrand/archive/2010/02/08/bad-habits-to-kick-relying-on-undocumented-behavior.aspx).
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      1. POSql in sql server with convert
      1. USNikola Markovinović
 

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