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mike13
Posting Yak Master
219 Posts |
Posted - 2009-02-18 : 12:41:47
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Hi all,I want to join a record set into a string, then return it in an output parameterALTER PROCEDURE dbo.SP_Getwordlist @domain nvarchar(50), @keywordlists nvarchar(max) outputASSELECT @keywordlists = @keywordlists + (List_name + '#$#' + Convert(nvarchar(MAX),keyword) + '##$##')FROM T_Keywordwhere sitename=@domain RETURN which doesn't work. if only put SELECT @keywordlists = (List_name + '#$#' + Convert(nvarchar(MAX),keyword) + '##$##')it only returns last record.any idea?thanks a lot  |
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visakh16
Very Important crosS Applying yaK Herder
52326 Posts |
Posted - 2009-02-18 : 12:46:58
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quote: Originally posted by mike13 Hi all,I want to join a record set into a string, then return it in an output parameterALTER PROCEDURE dbo.SP_Getwordlist @domain nvarchar(50), @keywordlists nvarchar(max) outputASSELECT @keywordlists = COALESCE(@keywordlists,'') + (List_name + '#$#' + Convert(nvarchar(MAX),keyword) + '##$##')FROM T_Keywordwhere sitename=@domain RETURN which doesn't work. if only put SELECT @keywordlists = (List_name + '#$#' + Convert(nvarchar(MAX),keyword) + '##$##')it only returns last record.any idea?thanks a lot 
the reason is you didnt initialise the variable. so it contained NULL and caused result to be NULL. modify like above. |
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mike13
Posting Yak Master
219 Posts |
Posted - 2009-02-18 : 12:58:10
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| that worked like charm ;-)thanks a lot |
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visakh16
Very Important crosS Applying yaK Herder
52326 Posts |
Posted - 2009-02-18 : 12:59:07
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welcome |
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