Plugins! (#420)

* Some queries

* Plugins!!

* cleanup

* actual names

* the actual plugins

* comment

* fix tests

* Tests

* unused errors

* Increase reaper rate to actually enforce settings

* ok

tests/ruby/plugins_spec.rb

@@ -0,0 +1,14 @@
+require_relative 'spec_helper'
+
+
+describe "Plugins" do
+  let(:processes) { Helpers::Pgcat.three_shard_setup("sharded_db", 5) }
+
+  context "intercept" do
+    it "will intercept an intellij query" do
+      conn = PG.connect(processes.pgcat.connection_string("sharded_db", "sharding_user"))
+      res = conn.exec("select current_database() as a, current_schemas(false) as b")
+      expect(res.values).to eq([["sharded_db", "{public}"]])
+    end
+  end
+end