lib/upsert/connection/postgresql.rb in upsert-1.2.0 vs lib/upsert/connection/postgresql.rb in upsert-2.0.0

@@ -2,9 +2,18 @@
   class Connection
     # @private
     module Postgresql
       def bind_value(v)
         case v
+        when Array
+          # pg array escaping lifted from https://github.com/tlconnor/activerecord-postgres-array/blob/master/lib/activerecord-postgres-array/array.rb
+          '{' + v.map do |vv|
+            vv = vv.to_s
+            vv.gsub! /\\/, '\&\&'
+            vv.gsub! /'/, "''"
+            vv.gsub! /"/, '\"'
+            %{"#{vv}"}
+          end.join(',') + '}'
         when Hash
           # you must require 'pg_hstore' from the 'pg-hstore' gem yourself
           ::PgHstore.dump v, true
         else
           super