Datetime paramtere and Union all problem

[zoltan]

@marsupilami, @aehimself

Guys You have done a wonderful work! THANK YOU very much!

I have downloaded the latest version from github, and it seems to be working perfectly! All problems are vanished, all querries seems to be
working perfectly!
Even my old problem is solved: if I asked for the length of a field, then in case of string fields, the length was 4x of the original Oracle column definition,
so I had to pay attention to this when I wanted to download the query result.

Thank You again for Your efforts, time and work!
Zoltán

[aehimself]

Glad it all worked out!