-(defun acquire-from-pool (connection-spec database-type &optional pool encoding)
+(defun acquire-from-pool (connection-spec database-type &optional pool (encoding *default-encoding*))
"Try to find a working database connection in the pool or create a new
one if needed. This performs 1 query against the DB to ensure it's still
valid. When possible (postgres, mssql) that query will be a reset