Add support for pgbouncer 1.23 (#21)

* Add support for pgbouncer 1.23

* Apply suggestions from code review

* fix missing variables and else condition

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Co-authored-by: Keith Fiske <keith@keithf4.com>

Author: rw15e

CHANGELOG

@@ -1,3 +1,11 @@
+v1.2.0
+-- Add support for PgBouncer 1.23.
+  -- Adds replication column to clients, servers and sockets functions and views.
+  -- Adds server_lifetime column to databases functions and views.
+  -- Adds total_server_assignment_count and avg_server_assignment_count columns to stats functions and views.
+  -- Adds pool_size, max_user_connections and current_connections columns to users functions and views.
+
+
 v1.1.0
 -- Add support for PgBouncer 1.21. Adds prepared_statements column to clients, servers and sockets functions and views.
 

pgbouncer_fdw.control

@@ -1,4 +1,4 @@
-default_version = '1.1.0'
+default_version = '1.2.0'
 comment = 'Extension for querying PgBouncer stats from normal SQL views & running pgbouncer commands from normal SQL functions'
 requires = dblink
 relocatable = false