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Message Posted: Mon, 22 Mar 2004 @ 22:41:27 GMT

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The ability to use an empty string as a null indicator was added in Queryman 5.0 ... so even though you are running an old version it is supported. (Current version is 6.2)

Apparently the combination of a cast and a null indicator is not possible (as you are using it, at least.)

I will experiment a little and see if I can find a way to specify a null in a cast even when using bound parameters.

(Check the setting of the 'Allow use of ODBC SQL extensions' option. If it is checked try un-checking it. Maybe the ODBC driver itself is trying to do the cast. [unlikely though])

Timestamps have always been very 'picky' - dates work with a lot more flexability ... So if you are not using the time part try casting as a date.

Mike Dempsey
Teradata Client Tools

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