Hi!

It's allowed to use XSQLVAR (or blr messages) between different types
like number->varchar (or vice-versa) but it's not allowed to use
different types when one of them is a blob.

DSQL moves data using MOVD_move, which do it like a client move. This
was ok before, cause DSQL was not part of the engine and blobs wasn't
very integrated with others types. Now it's very inconsistent.

I've done a small change making possible to move blobs to/from different
types in the fetch call. This would be done in execute too.

For input parameters, it would be specially good as user can put the
parameter as string without need to create and fill a blob from the
client side.

For output (execute or fetch), it's good when the application knows it's
data and may describe a blob as a string with its maximum length.

Comments?


Adriano

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