diff options
Diffstat (limited to 'activerecord/lib')
3 files changed, 24 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index 7041d92586..2b64e96450 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -770,6 +770,17 @@ module ActiveRecord # CREATE FULLTEXT INDEX index_developers_on_name ON developers (name) -- MySQL # # Note: only supported by MySQL. + # + # ====== Creating an index with a specific algorithm + # + # add_index(:developers, :name, algorithm: :concurrently) + # # CREATE INDEX CONCURRENTLY developers_on_name on developers (name) + # + # Note: only supported by PostgreSQL. + # + # Concurrently adding an index is not supported in a transaction. + # + # 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) execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} (#{index_columns})#{index_options}" @@ -793,6 +804,15 @@ module ActiveRecord # # remove_index :accounts, name: :by_branch_party # + # Removes the index named +by_branch_party+ in the +accounts+ table +concurrently+. + # + # remove_index :accounts, name: :by_branch_party, algorithm: :concurrently + # + # Note: only supported by PostgreSQL. + # + # Concurrently removing an index is not supported in a transaction. + # + # For more information see the {"Transactional Migrations" section}[rdoc-ref:Migration]. def remove_index(table_name, options = {}) index_name = index_name_for_remove(table_name, options) execute "DROP INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)}" diff --git a/activerecord/lib/active_record/integration.rb b/activerecord/lib/active_record/integration.rb index c745bc1330..573a823dbc 100644 --- a/activerecord/lib/active_record/integration.rb +++ b/activerecord/lib/active_record/integration.rb @@ -162,7 +162,7 @@ module ActiveRecord end def collection_cache_key(collection = all, timestamp_column = :updated_at) # :nodoc: - collection.compute_cache_key(timestamp_column) + collection.send(:compute_cache_key, timestamp_column) end end diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 8eb71e6454..ab24f67a6d 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -310,7 +310,7 @@ module ActiveRecord # Product.where("name like ?", "%Game%").cache_key(:last_reviewed_at) def cache_key(timestamp_column = :updated_at) @cache_keys ||= {} - @cache_keys[timestamp_column] ||= @klass.collection_cache_key(self, timestamp_column) + @cache_keys[timestamp_column] ||= klass.collection_cache_key(self, timestamp_column) end def compute_cache_key(timestamp_column = :updated_at) # :nodoc: @@ -323,6 +323,7 @@ module ActiveRecord "#{key}-#{compute_cache_version(timestamp_column)}" end end + private :compute_cache_key # Returns a cache version that can be used together with the cache key to form # a recyclable caching scheme. The cache version is built with the number of records @@ -382,6 +383,7 @@ module ActiveRecord "#{size}" end end + private :compute_cache_version # Scope all queries to the current scope. # |