These methods take keyword arguments

activerecord/lib/active_record/associations.rb

@@ -1857,7 +1857,7 @@ module ActiveRecord
             hm_options[k] = options[k] if options.key? k
           end
 
-          has_many name, scope, hm_options, &extension
+          has_many name, scope, **hm_options, &extension
           _reflections[name.to_s].parent_reflection = habtm_reflection
         end
       end

activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb

@@ -139,7 +139,8 @@ module ActiveRecord
 
       def add_to(table)
         columns.each do |column_options|
-          table.column(*column_options)
+          kwargs = column_options.extract_options!
+          table.column(*column_options, **kwargs)
         end
 
         if index
@@ -199,7 +200,7 @@ module ActiveRecord
       # Appends a primary key definition to the table definition.
       # Can be called multiple times, but this is probably not a good idea.
       def primary_key(name, type = :primary_key, **options)
-        column(name, type, options.merge(primary_key: true))
+        column(name, type, **options.merge(primary_key: true))
       end
 
       ##
@@ -226,7 +227,7 @@ module ActiveRecord
             module_eval <<-RUBY, __FILE__, __LINE__ + 1
               def #{column_type}(*names, **options)
                 raise ArgumentError, "Missing column name(s) for #{column_type}" if names.empty?
-                names.each { |name| column(name, :#{column_type}, options) }
+                names.each { |name| column(name, :#{column_type}, **options) }
               end
             RUBY
           end
@@ -375,7 +376,7 @@ module ActiveRecord
 
         index_options = options.delete(:index)
         index(name, index_options.is_a?(Hash) ? index_options : {}) if index_options
-        @columns_hash[name] = new_column_definition(name, type, options)
+        @columns_hash[name] = new_column_definition(name, type, **options)
         self
       end
 
@@ -408,8 +409,8 @@ module ActiveRecord
           options[:precision] = 6
         end
 
-        column(:created_at, :datetime, options)
-        column(:updated_at, :datetime, options)
+        column(:created_at, :datetime, **options)
+        column(:updated_at, :datetime, **options)
       end
 
       # Adds a reference.
@@ -479,7 +480,7 @@ module ActiveRecord
       def add_column(name, type, options)
         name = name.to_s
         type = type.to_sym
-        @adds << AddColumnDefinition.new(@td.new_column_definition(name, type, options))
+        @adds << AddColumnDefinition.new(@td.new_column_definition(name, type, **options))
       end
     end
 

activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb

@@ -301,7 +301,7 @@ module ActiveRecord
           if pk.is_a?(Array)
             td.primary_keys pk
           else
-            td.primary_key pk, id, options
+            td.primary_key pk, id, **options
           end
         end
 
@@ -785,7 +785,7 @@ module ActiveRecord
       #
       # For more information see the {"Transactional Migrations" section}[rdoc-ref:Migration].
       def add_index(table_name, column_name, options = {})
-        index_name, index_type, index_columns, index_options = add_index_options(table_name, column_name, options)
+        index_name, index_type, index_columns, index_options = add_index_options(table_name, column_name, **options)
         execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} (#{index_columns})#{index_options}"
       end
 
@@ -1255,7 +1255,7 @@ module ActiveRecord
         # the PostgreSQL adapter for supporting operator classes.
         def add_options_for_index_columns(quoted_columns, **options)
           if supports_index_sort_order?
-            quoted_columns = add_index_sort_order(quoted_columns, options)
+            quoted_columns = add_index_sort_order(quoted_columns, **options)
           end
 
           quoted_columns
@@ -1265,7 +1265,7 @@ module ActiveRecord
           return [column_names] if column_names.is_a?(String)
 
           quoted_columns = Hash[column_names.map { |name| [name.to_sym, quote_column_name(name).dup] }]
-          add_options_for_index_columns(quoted_columns, options).values
+          add_options_for_index_columns(quoted_columns, **options).values
         end
 
         def index_name_for_remove(table_name, options = {})

activerecord/lib/active_record/connection_adapters/abstract/transaction.rb

@@ -146,7 +146,7 @@ module ActiveRecord
 
     class SavepointTransaction < Transaction
       def initialize(connection, savepoint_name, parent_transaction, **options)
-        super(connection, options)
+        super(connection, **options)
 
         parent_transaction.state.add_child(@state)
 

activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb

@@ -388,7 +388,7 @@ module ActiveRecord
         def copy_table(from, to, options = {})
           from_primary_key = primary_key(from)
           options[:id] = false
-          create_table(to, options) do |definition|
+          create_table(to, **options) do |definition|
             @definition = definition
             if from_primary_key.is_a?(Array)
               @definition.primary_keys from_primary_key

activerecord/lib/active_record/store.rb

@@ -103,7 +103,7 @@ module ActiveRecord
     module ClassMethods
       def store(store_attribute, options = {})
         serialize store_attribute, IndifferentCoder.new(store_attribute, options[:coder])
-        store_accessor(store_attribute, options[:accessors], options.slice(:prefix, :suffix)) if options.has_key? :accessors
+        store_accessor(store_attribute, options[:accessors], **options.slice(:prefix, :suffix)) if options.has_key? :accessors
       end
 
       def store_accessor(store_attribute, *keys, prefix: nil, suffix: nil)

activerecord/lib/active_record/transactions.rb

@@ -208,8 +208,8 @@ module ActiveRecord
     # Note that "TRUNCATE" is also a MySQL DDL statement!
     module ClassMethods
       # See the ConnectionAdapters::DatabaseStatements#transaction API docs.
-      def transaction(options = {}, &block)
-        connection.transaction(options, &block)
+      def transaction(**options, &block)
+        connection.transaction(**options, &block)
       end
 
       def before_commit(*args, &block) # :nodoc: