I ran into an issue when using a vector of UserDefinedType convertible into
one of the data_type's (dt_string, etc). Currently, the sequence of events
is as follows:
1. use a vector of UserDefinedType creates a conversion_use_type which
holds vectors before and after conversion.
2. During statement initialization, the after_conversion_vector in 1) gets
passed to the back end in define_and_bind. The current ODBC implementation
copies the values in after_conversion_vector to the database bound buffer,
before the conversion takes place.
3. During statement execution, pre_use is called, in which the conversion
happens.
Are there any other back ends experiencing similar issues?
Thanks.
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