Microsoft KB Archive/70868: Difference between revisions
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Latest revision as of 19:29, 12 August 2020
PRSQL9103048: Using the Datalength() Function with Convert() ID Number: Q70868
1.10 OS/2 buglist1.10
Summary:
PROBLEM ID: PRSQL9103048
SYMPTOMS Using the Datalength() function in conjunction with the convert() function will return incorrect results if the convert() function uses the CHAR datatype in a local variable (@var1,@var2).
CAUSE The Datalength() function will return the combined length of the variables, instead of the length of the datatype converted to. For example, if @var1 is defined as 10 characters and @var2 is defined as 7 characters, the following statement will return a length of 17:
Datalength(convert(char(15),@var1 + @var2))
STATUS Microsoft has confirmed this to be a problem in SQL Server version 1.10. We are researching this problem and will post new information here as it becomes available.
