[JDBC] Does the JDBC connection failover require Postgres 10?

The Postgres JDBC driver offers a way to specify multiple hosts in the connection URL:
  https://jdbc.postgresql.org/documentation/head/connect.html#connection-failover

However, it is unclear to me if that feature relies on the libpq feature introduced in Postgres 10:
  https://www.postgresql.org/docs/current/static/libpq-connect.html#libpq-multiple-hosts

or if this is handled by the driver internally? 

Thomas







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