Log message:
postgresql11: added version 11.0

PostgreSQL 11 provides users with improvements to overall performance of the \ 
database system, with specific enhancements associated with very large databases \ 
and high computational workloads. Further, PostgreSQL 11 makes significant \ 
improvements to the table partitioning system, adds support for stored \ 
procedures capable of transaction management, improves query parallelism and \ 
adds parallelized data definition capabilities, and introduces just-in-time \ 
(JIT) compilation for accelerating the execution of expressions in queries.