diff options
Diffstat (limited to 'activerecord/lib/active_record')
5 files changed, 30 insertions, 14 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 984081fa28..e95e97e4a8 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -755,12 +755,20 @@ module ActiveRecord index_name = index_name(table_name, column: column_names) if Hash === options # legacy support, since this param was a string - options.assert_valid_keys(:unique, :order, :name, :where, :length, :internal, :using) + options.assert_valid_keys(:unique, :order, :name, :where, :length, :internal, :using, :algorithm) index_type = options[:unique] ? "UNIQUE" : "" index_name = options[:name].to_s if options.key?(:name) max_index_length = options.fetch(:internal, false) ? index_name_length : allowed_index_name_length + if index_algorithms.key?(options[:algorithm]) + algorithm = index_algorithms[options[:algorithm]] + elsif options[:algorithm].present? + raise ArgumentError.new("Algorithm must be one of the following: #{index_algorithms.keys.map(&:inspect).join(', ')}") + end + + using = "USING #{options[:using]}" if options[:using].present? + if supports_partial_index? index_options = options[:where] ? " WHERE #{options[:where]}" : "" end @@ -775,6 +783,7 @@ module ActiveRecord index_type = options max_index_length = allowed_index_name_length + algorithm = using = nil end if index_name.length > max_index_length @@ -785,7 +794,7 @@ module ActiveRecord end index_columns = quoted_columns_for_index(column_names, options).join(", ") - [index_name, index_type, index_columns, index_options] + [index_name, index_type, index_columns, index_options, algorithm, using] end def index_name_for_remove(table_name, options = {}) diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 0f4ab68b61..1915c444ef 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -282,6 +282,13 @@ module ActiveRecord [] end + # A list of index algorithms, to be filled by adapters that + # support them. MySQL and PostgreSQL has support for them right + # now. + def index_algorithms + {} + end + # QUOTING ================================================== # Returns a bind substitution value given a +column+ and list of current diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index b6bb8e0dc9..cc5e6ac44d 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -208,6 +208,10 @@ module ActiveRecord NATIVE_DATABASE_TYPES end + def index_algorithms + { default: 'ALGORITHM = DEFAULT', copy: 'ALGORITHM = COPY', inplace: 'ALGORITHM = INPLACE' } + end + # HELPER METHODS =========================================== # The two drivers have slightly different ways of yielding hashes of results, so @@ -506,12 +510,8 @@ module ActiveRecord end def add_index(table_name, column_name, options = {}) #:nodoc: - if options.is_a?(Hash) && options[:using] - 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)} USING #{options[:using]} ON #{quote_table_name(table_name)} (#{index_columns})#{index_options}" - else - super - end + index_name, index_type, index_columns, index_options, index_algorithm, index_using = add_index_options(table_name, column_name, options) + execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} #{index_using} ON #{quote_table_name(table_name)} (#{index_columns})#{index_options} #{index_algorithm}" end # Maps logical Rails types to MySQL-specific data types. diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 688bf1774b..0e1afbae8d 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -410,12 +410,8 @@ module ActiveRecord end def add_index(table_name, column_name, options = {}) #:nodoc: - if options.is_a?(Hash) && options[:using] - 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)} USING #{options[:using]} (#{index_columns})#{index_options}" - else - super - end + index_name, index_type, index_columns, index_options, index_algorithm, index_using = add_index_options(table_name, column_name, options) + execute "CREATE #{index_type} INDEX #{index_algorithm} #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} #{index_using} (#{index_columns})#{index_options}" end def remove_index!(table_name, index_name) #:nodoc: diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index d26b676335..46e41e6b48 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -433,6 +433,10 @@ module ActiveRecord true end + def index_algorithms + { concurrently: 'CONCURRENTLY' } + end + class StatementPool < ConnectionAdapters::StatementPool def initialize(connection, max) super |