These settings are available in system.settings and are autogenerated from the ClickHouse snapshot.
postgresql_connection_attempt_timeout
Connection timeout in seconds of a single attempt to connect PostgreSQL end-point.
The value is passed as a connect_timeout parameter of the connection URL.
postgresql_connection_pool_auto_close_connection
Close connection before returning connection to the pool.
postgresql_connection_pool_retries
Connection pool push/pop retries number for PostgreSQL table engine and database engine.
postgresql_connection_pool_size
Connection pool size for PostgreSQL table engine and database engine.
postgresql_connection_pool_wait_timeout
Connection pool push/pop timeout on empty pool for PostgreSQL table engine and database engine. By default it will block on empty pool.