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-rw-r--r--activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/quoting.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb4
3 files changed, 4 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
index f578219028..97b57a6a55 100644
--- a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
+++ b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb
@@ -85,7 +85,7 @@ module ActiveRecord::Associations::Builder
def middle_reflection(join_model)
middle_name = [lhs_model.name.downcase.pluralize,
- association_name].join('_').gsub('::', '_').to_sym
+ association_name].join('_'.freeze).gsub('::'.freeze, '_'.freeze).to_sym
middle_options = middle_options join_model
HasMany.create_reflection(lhs_model,
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index c228b39c26..91c7298983 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -77,7 +77,7 @@ module ActiveRecord
# Quotes a string, escaping any ' (single quote) and \ (backslash)
# characters.
def quote_string(s)
- s.gsub('\\', '\&\&').gsub("'", "''") # ' (for ruby-mode)
+ s.gsub('\\'.freeze, '\&\&'.freeze).gsub("'".freeze, "''".freeze) # ' (for ruby-mode)
end
# Quotes the column name. Defaults to no quoting.
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index ebced66cb1..332ac9d88c 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -568,9 +568,9 @@ module ActiveRecord
case default
# Quoted types
when /\A[\(B]?'(.*)'::/m
- $1.gsub("''", "'")
+ $1.gsub("''".freeze, "'".freeze)
# Boolean types
- when 'true', 'false'
+ when 'true'.freeze, 'false'.freeze
default
# Numeric types
when /\A\(?(-?\d+(\.\d*)?)\)?(::bigint)?\z/