…e connection
With BEGIN CONCURRENT, we cannot use the same connection all the time
because there's no way for the transaction manager to know which
transaction belongs to what "session" -- they're all individual
statements executed in the context of the one connection.
Fixes#3093
Reviewed-by: Jussi Saurio <jussi.saurio@gmail.com>
Closes#3094
With BEGIN CONCURRENT, we cannot use the same connection all the time
because there's no way for the transaction manager to know which
transaction belongs to what "session" -- they're all individual
statements executed in the context of the one connection.
Fixes#3093