- document how to use autocommit isolation level for CONCURRENTLY, fixes #3887
- document how to use autocommit isolation level for CONCURRENTLY,
fixes #3887

Change-Id: I6d1a13b7bb4169204105c7a100d17cfed3ded9d1

j5int/sqlalchemy,sqlalchemy/sqlalchemy,j5int/sqlalchemy,zzzeek/sqlalchemy,monetate/sqlalchemy,graingert/sqlalchemy,graingert/sqlalchemy,monetate/sqlalchemy,wujuguang/sqlalchemy,wujuguang/sqlalchemy