Info compiler modifies the lexical structure of Select statements to work under non-ANSI configured Oracle databases, if the use_ansi flag is False.
A Pool that maintains one connection per thread.
Maintains one connection per each thread, never moving a connection to a thread other than the one which it was created in.
This is used for SQLite, which both does not handle multithreading by default, and also requires a singleton connection if a :memory: database is being used.
Options are the same as those of Pool, as well as: