Remove redundant `to_s` in interpolation

5 files changed, 8 insertions, 8 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index eb88845913..679878d860 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -108,7 +108,7 @@ module ActiveRecord
         when Numeric, ActiveSupport::Duration then value.to_s
         when Date, Time then "'#{quoted_date(value)}'"
         when Symbol     then "'#{quote_string(value.to_s)}'"
-        when Class      then "'#{value.to_s}'"
+        when Class      then "'#{value}'"
         else
           "'#{quote_string(YAML.dump(value))}'"
         end
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
index b05a4f8440..6eab11b88b 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
@@ -8,7 +8,7 @@ module ActiveRecord
     module ColumnDumper
       def column_spec(column, types)
         spec = prepare_column_options(column, types)
-        (spec.keys - [:name, :type]).each{ |k| spec[k].insert(0, "#{k.to_s}: ")}
+        (spec.keys - [:name, :type]).each{ |k| spec[k].insert(0, "#{k}: ")}
         spec
       end
 
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb
index a53b4ee8e2..222f10fa8f 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/cidr.rb
@@ -12,15 +12,15 @@ module ActiveRecord
 
             # If the subnet mask is equal to /32, don't output it
             if subnet_mask == (2**32 - 1)
-              "\"#{value.to_s}\""
+              "\"#{value}\""
             else
-              "\"#{value.to_s}/#{subnet_mask.to_s(2).count('1')}\""
+              "\"#{value}/#{subnet_mask.to_s(2).count('1')}\""
             end
           end
 
           def type_cast_for_database(value)
             if IPAddr === value
-              "#{value.to_s}/#{value.instance_variable_get(:@mask_addr).to_s(2).count('1')}"
+              "#{value}/#{value.instance_variable_get(:@mask_addr).to_s(2).count('1')}"
             else
               value
             end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
index cf5c8d288e..f95f45c689 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
@@ -21,7 +21,7 @@ module ActiveRecord
           case value
           when Float
             if value.infinite? || value.nan?
-              "'#{value.to_s}'"
+              "'#{value}'"
             else
               super
             end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index bf2941b777..8e209e1051 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -679,9 +679,9 @@ module ActiveRecord
           variables.map do |k, v|
             if v == ':default' || v == :default
               # Sets the value to the global or compile default
-              execute("SET SESSION #{k.to_s} TO DEFAULT", 'SCHEMA')
+              execute("SET SESSION #{k} TO DEFAULT", 'SCHEMA')
             elsif !v.nil?
-              execute("SET SESSION #{k.to_s} TO #{quote(v)}", 'SCHEMA')
+              execute("SET SESSION #{k} TO #{quote(v)}", 'SCHEMA')
             end
           end
         end