Cast number to string in Postgres

fixes #9170

2 files changed, 14 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
index 47e2e3928f..43f991b362 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
@@ -51,9 +51,12 @@ module ActiveRecord
               super
             end
           when Numeric
-            return super unless column.sql_type == 'money'
-            # Not truly string input, so doesn't require (or allow) escape string syntax.
-            "'#{value}'"
+            if column.sql_type == 'money' || [:string, :text].include?(column.type)
+              # Not truly string input, so doesn't require (or allow) escape string syntax.
+              "'#{value}'"
+            else
+              super
+            end
           when String
             case column.sql_type
             when 'bytea' then "'#{escape_bytea(value)}'"
diff --git a/activerecord/test/cases/adapters/postgresql/quoting_test.rb b/activerecord/test/cases/adapters/postgresql/quoting_test.rb
index 685f0ea74f..b3429648ee 100644
--- a/activerecord/test/cases/adapters/postgresql/quoting_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/quoting_test.rb
@@ -44,6 +44,14 @@ module ActiveRecord
           c = Column.new(nil, 1, 'float')
           assert_equal "'Infinity'", @conn.quote(infinity, c)
         end
+
+        def test_quote_cast_numeric
+          fixnum = 666
+          c = Column.new(nil, nil, 'string')
+          assert_equal "'666'", @conn.quote(fixnum, c)
+          c = Column.new(nil, nil, 'text')
+          assert_equal "'666'", @conn.quote(fixnum, c)
+        end
       end
     end
   end