diff options
Diffstat (limited to 'activerecord/lib')
29 files changed, 75 insertions, 60 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 70b2ca7d7e..b1778732dd 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1762,6 +1762,7 @@ module ActiveRecord # has_and_belongs_to_many :projects, -> { includes(:milestones, :manager) } # has_and_belongs_to_many :categories, ->(post) { # where("default_category = ?", post.default_category) + # } # # === Extensions # diff --git a/activerecord/lib/active_record/callbacks.rb b/activerecord/lib/active_record/callbacks.rb index b6852bfc71..1bffe89875 100644 --- a/activerecord/lib/active_record/callbacks.rb +++ b/activerecord/lib/active_record/callbacks.rb @@ -318,7 +318,7 @@ module ActiveRecord _run_touch_callbacks { super } end - def increment!(*, touch: nil) # :nodoc: + def increment!(attribute, by = 1, touch: nil) # :nodoc: touch ? _run_touch_callbacks { super } : super end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index e977d36cb9..99934a0e31 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -731,7 +731,7 @@ module ActiveRecord # this block can't be easily moved into attempt_to_checkout_all_existing_connections's # rescue block, because doing so would put it outside of synchronize section, without # being in a critical section thread_report might become inaccurate - msg = "could not obtain ownership of all database connections in #{checkout_timeout} seconds".dup + msg = +"could not obtain ownership of all database connections in #{checkout_timeout} seconds" thread_report = [] @connections.each do |conn| diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index 5b24a467ec..c10da813ec 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -379,7 +379,7 @@ module ActiveRecord build_fixture_sql(fixtures, table_name) end.compact - table_deletes = tables_to_delete.map { |table| "DELETE FROM #{quote_table_name table}".dup } + table_deletes = tables_to_delete.map { |table| +"DELETE FROM #{quote_table_name table}" } total_sql = Array.wrap(combine_multi_statements(table_deletes + fixture_inserts)) disable_referential_integrity do diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb index 529c9d8ca6..9d9e8a4110 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb @@ -21,7 +21,7 @@ module ActiveRecord private def visit_AlterTable(o) - sql = "ALTER TABLE #{quote_table_name(o.name)} ".dup + sql = +"ALTER TABLE #{quote_table_name(o.name)} " sql << o.adds.map { |col| accept col }.join(" ") sql << o.foreign_key_adds.map { |fk| visit_AddForeignKey fk }.join(" ") sql << o.foreign_key_drops.map { |fk| visit_DropForeignKey fk }.join(" ") @@ -29,17 +29,17 @@ module ActiveRecord def visit_ColumnDefinition(o) o.sql_type = type_to_sql(o.type, o.options) - column_sql = "#{quote_column_name(o.name)} #{o.sql_type}".dup + column_sql = +"#{quote_column_name(o.name)} #{o.sql_type}" add_column_options!(column_sql, column_options(o)) unless o.type == :primary_key column_sql end def visit_AddColumnDefinition(o) - "ADD #{accept(o.column)}".dup + +"ADD #{accept(o.column)}" end def visit_TableDefinition(o) - create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(o.name)} ".dup + create_sql = +"CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(o.name)} " statements = o.columns.map { |c| accept c } statements << accept(o.primary_keys) if o.primary_keys 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 4a6e915b66..723d8c318d 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -211,13 +211,13 @@ module ActiveRecord # # ====== Add a backend specific option to the generated SQL (MySQL) # - # create_table(:suppliers, options: 'ENGINE=InnoDB DEFAULT CHARSET=utf8') + # create_table(:suppliers, options: 'ENGINE=InnoDB DEFAULT CHARSET=utf8mb4') # # generates: # # CREATE TABLE suppliers ( # id bigint auto_increment PRIMARY KEY - # ) ENGINE=InnoDB DEFAULT CHARSET=utf8 + # ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 # # ====== Rename the primary key column # @@ -1380,7 +1380,7 @@ module ActiveRecord sm_table = quote_table_name(ActiveRecord::SchemaMigration.table_name) if versions.is_a?(Array) - sql = "INSERT INTO #{sm_table} (version) VALUES\n".dup + sql = +"INSERT INTO #{sm_table} (version) VALUES\n" sql << versions.map { |v| "(#{quote(v)})" }.join(",\n") sql << ";\n\n" sql diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 42ed9ce82d..79aafc956f 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -162,7 +162,7 @@ module ActiveRecord # this method must only be called while holding connection pool's mutex def lease if in_use? - msg = "Cannot lease connection, ".dup + msg = +"Cannot lease connection, " if @owner == Thread.current msg << "it is already leased by the current thread." else 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 5d4fc8324f..09242a0f14 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -43,9 +43,11 @@ module ActiveRecord } class StatementPool < ConnectionAdapters::StatementPool # :nodoc: - private def dealloc(stmt) - stmt.close - end + private + + def dealloc(stmt) + stmt.close + end end def initialize(connection, logger, connection_options, config) @@ -135,7 +137,7 @@ module ActiveRecord end def index_algorithms - { default: "ALGORITHM = DEFAULT".dup, copy: "ALGORITHM = COPY".dup, inplace: "ALGORITHM = INPLACE".dup } + { default: +"ALGORITHM = DEFAULT", copy: +"ALGORITHM = COPY", inplace: +"ALGORITHM = INPLACE" } end # HELPER METHODS =========================================== @@ -390,7 +392,7 @@ module ActiveRecord def add_index(table_name, column_name, options = {}) #:nodoc: index_name, index_type, index_columns, _, index_algorithm, index_using, comment = add_index_options(table_name, column_name, options) - sql = "CREATE #{index_type} INDEX #{quote_column_name(index_name)} #{index_using} ON #{quote_table_name(table_name)} (#{index_columns}) #{index_algorithm}".dup + sql = +"CREATE #{index_type} INDEX #{quote_column_name(index_name)} #{index_using} ON #{quote_table_name(table_name)} (#{index_columns}) #{index_algorithm}" execute add_sql_comment!(sql, comment) end @@ -783,7 +785,7 @@ module ActiveRecord # https://dev.mysql.com/doc/refman/5.7/en/set-names.html # (trailing comma because variable_assignments will always have content) if @config[:encoding] - encoding = "NAMES #{@config[:encoding]}".dup + encoding = +"NAMES #{@config[:encoding]}" encoding << " COLLATE #{@config[:collation]}" if @config[:collation] encoding << ", " end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb index c9ea653b77..82ed320617 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb @@ -17,7 +17,7 @@ module ActiveRecord end def visit_ChangeColumnDefinition(o) - change_column_sql = "CHANGE #{quote_column_name(o.name)} #{accept(o.column)}".dup + change_column_sql = +"CHANGE #{quote_column_name(o.name)} #{accept(o.column)}" add_column_position!(change_column_sql, column_options(o.column)) end @@ -64,7 +64,7 @@ module ActiveRecord def index_in_create(table_name, column_name, options) index_name, index_type, index_columns, _, _, index_using, comment = @conn.add_index_options(table_name, column_name, options) - add_sql_comment!("#{index_type} INDEX #{quote_column_name(index_name)} #{index_using} (#{index_columns})".dup, comment) + add_sql_comment!((+"#{index_type} INDEX #{quote_column_name(index_name)} #{index_using} (#{index_columns})"), comment) end end end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb index 1cf210d85b..e167c01802 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb @@ -121,7 +121,7 @@ module ActiveRecord def data_source_sql(name = nil, type: nil) scope = quoted_scope(name, type: type) - sql = "SELECT table_name FROM information_schema.tables".dup + sql = +"SELECT table_name FROM information_schema.tables" sql << " WHERE table_schema = #{scope[:schema]}" sql << " AND table_name = #{scope[:name]}" if scope[:name] sql << " AND table_type = #{scope[:type]}" if scope[:type] 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 00da7690a2..fae3ddbad4 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -686,7 +686,7 @@ module ActiveRecord def change_column_sql(table_name, column_name, type, options = {}) quoted_column_name = quote_column_name(column_name) sql_type = type_to_sql(type, options) - sql = "ALTER COLUMN #{quoted_column_name} TYPE #{sql_type}".dup + sql = +"ALTER COLUMN #{quoted_column_name} TYPE #{sql_type}" if options[:collation] sql << " COLLATE \"#{options[:collation]}\"" end @@ -757,7 +757,7 @@ module ActiveRecord scope = quoted_scope(name, type: type) scope[:type] ||= "'r','v','m','p','f'" # (r)elation/table, (v)iew, (m)aterialized view, (p)artitioned table, (f)oreign table - sql = "SELECT c.relname FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace".dup + sql = +"SELECT c.relname FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace" sql << " WHERE n.nspname = #{scope[:schema]}" sql << " AND c.relname = #{scope[:name]}" if scope[:name] sql << " AND c.relkind IN (#{scope[:type]})" diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb index 46ca7e07a9..48277f0ae2 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb @@ -86,7 +86,7 @@ module ActiveRecord scope = quoted_scope(name, type: type) scope[:type] ||= "'table','view'" - sql = "SELECT name FROM sqlite_master WHERE name <> 'sqlite_sequence'".dup + sql = +"SELECT name FROM sqlite_master WHERE name <> 'sqlite_sequence'" sql << " AND name = #{scope[:name]}" if scope[:name] sql << " AND type IN (#{scope[:type]})" sql diff --git a/activerecord/lib/active_record/explain.rb b/activerecord/lib/active_record/explain.rb index 7ccb938888..919e96cd7a 100644 --- a/activerecord/lib/active_record/explain.rb +++ b/activerecord/lib/active_record/explain.rb @@ -18,7 +18,7 @@ module ActiveRecord # Returns a formatted string ready to be logged. def exec_explain(queries) # :nodoc: str = queries.map do |sql, binds| - msg = "EXPLAIN for: #{sql}".dup + msg = +"EXPLAIN for: #{sql}" unless binds.empty? msg << " " msg << binds.map { |attr| render_bind(attr) }.inspect diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 807b882bfb..9651e69edd 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -161,7 +161,7 @@ module ActiveRecord class ProtectedEnvironmentError < ActiveRecordError #:nodoc: def initialize(env = "production") - msg = "You are attempting to run a destructive action against your '#{env}' database.\n".dup + msg = +"You are attempting to run a destructive action against your '#{env}' database.\n" msg << "If you are sure you want to continue, run the same command with the environment variable:\n" msg << "DISABLE_DATABASE_ENVIRONMENT_CHECK=1" super(msg) @@ -170,7 +170,7 @@ module ActiveRecord class EnvironmentMismatchError < ActiveRecordError def initialize(current: nil, stored: nil) - msg = "You are attempting to modify a database that was last run in `#{ stored }` environment.\n".dup + msg = +"You are attempting to modify a database that was last run in `#{ stored }` environment.\n" msg << "You are running in `#{ current }` environment. " msg << "If you are sure you want to continue, first set the environment using:\n\n" msg << " rails db:environment:set" @@ -891,7 +891,7 @@ module ActiveRecord source_migrations.each do |migration| source = File.binread(migration.filename) inserted_comment = "# This migration comes from #{scope} (originally #{migration.version})\n" - magic_comments = "".dup + magic_comments = +"" loop do # If we have a magic comment in the original migration, # insert our comment after the first newline(end of the magic comment line) @@ -1299,7 +1299,7 @@ module ActiveRecord record_version_state_after_migrating(migration.version) end rescue => e - msg = "An error has occurred, ".dup + msg = +"An error has occurred, " msg << "this and " if use_transaction?(migration) msg << "all later migrations canceled:\n\n#{e}" raise StandardError, msg, e.backtrace diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index 694ff85fa1..9b985e049b 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -375,7 +375,7 @@ module ActiveRecord # default values when instantiating the Active Record object for this table. def column_defaults load_schema - @column_defaults ||= _default_attributes.to_hash + @column_defaults ||= _default_attributes.deep_dup.to_hash end def _default_attributes # :nodoc: diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb index b213754641..81ad9ef3a2 100644 --- a/activerecord/lib/active_record/railtie.rb +++ b/activerecord/lib/active_record/railtie.rb @@ -88,6 +88,31 @@ module ActiveRecord end end + initializer "Check for cache versioning support" do + config.after_initialize do |app| + ActiveSupport.on_load(:active_record) do + if app.config.active_record.cache_versioning && Rails.cache + unless Rails.cache.class.try(:supports_cache_versioning?) + raise <<-end_error + +You're using a cache store that doesn't support native cache versioning. +Your best option is to upgrade to a newer version of #{Rails.cache.class} +that supports cache versioning (#{Rails.cache.class}.supports_cache_versioning? #=> true). + +Next best, switch to a different cache store that does support cache versioning: +https://guides.rubyonrails.org/caching_with_rails.html#cache-stores. + +To keep using the current cache store, you can turn off cache versioning entirely: + + config.active_record.cache_versioning = false + +end_error + end + end + end + end + end + initializer "active_record.check_schema_cache_dump" do if config.active_record.delete(:use_schema_cache_dump) config.after_initialize do |app| @@ -112,6 +137,14 @@ module ActiveRecord end end + initializer "active_record.define_attribute_methods" do |app| + config.after_initialize do + ActiveSupport.on_load(:active_record) do + descendants.each(&:define_attribute_methods) if app.config.eager_load + end + end + end + initializer "active_record.warn_on_records_fetched_greater_than" do if config.active_record.warn_on_records_fetched_greater_than ActiveSupport.on_load(:active_record) do diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 930e4377ff..6f420fe6bb 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -338,14 +338,14 @@ module ActiveRecord name = @klass.name if ids.nil? - error = "Couldn't find #{name}".dup + error = +"Couldn't find #{name}" error << " with#{conditions}" if conditions raise RecordNotFound.new(error, name, key) elsif Array(ids).size == 1 error = "Couldn't find #{name} with '#{key}'=#{ids}#{conditions}" raise RecordNotFound.new(error, name, key, ids) else - error = "Couldn't find all #{name.pluralize} with '#{key}': ".dup + error = +"Couldn't find all #{name.pluralize} with '#{key}': " error << "(#{ids.join(", ")})#{conditions} (found #{result_size} results, but was looking for #{expected_size})." error << " Couldn't find #{name.pluralize(not_found_ids.size)} with #{key.to_s.pluralize(not_found_ids.size)} #{not_found_ids.join(', ')}." if not_found_ids raise RecordNotFound.new(error, name, key, ids) diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb index 16e66982e5..5e29085aff 100644 --- a/activerecord/lib/active_record/tasks/database_tasks.rb +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -307,7 +307,7 @@ module ActiveRecord def check_schema_file(filename) unless File.exist?(filename) - message = %{#{filename} doesn't exist yet. Run `rails db:migrate` to create it, then try again.}.dup + message = +%{#{filename} doesn't exist yet. Run `rails db:migrate` to create it, then try again.} message << %{ If you do not intend to use a database, you should instead alter #{Rails.root}/config/application.rb to limit the frameworks that will be loaded.} if defined?(::Rails.root) Kernel.abort message end diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb index eddc6fa223..1c1b29b5e1 100644 --- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb @@ -104,7 +104,7 @@ module ActiveRecord end def run_cmd_error(cmd, args, action) - msg = "failed to execute: `#{cmd}`\n".dup + msg = +"failed to execute: `#{cmd}`\n" msg << "Please check the output above for any errors and make sure that `#{cmd}` is installed in your PATH and has proper permissions.\n\n" msg end diff --git a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb index 533e6953a4..4da918ada3 100644 --- a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb @@ -61,7 +61,7 @@ module ActiveRecord ActiveRecord::Base.dump_schemas end - args = ["-s", "-x", "-O", "-f", filename] + args = ["-s", "-X", "-x", "-O", "-f", filename] args.concat(Array(extra_flags)) if extra_flags unless search_path.blank? args += search_path.split(",").map do |part| @@ -115,7 +115,7 @@ module ActiveRecord end def run_cmd_error(cmd, args, action) - msg = "failed to execute:\n".dup + msg = +"failed to execute:\n" msg << "#{cmd} #{args.join(' ')}\n\n" msg << "Please check the output above for any errors and make sure that `#{cmd}` is installed in your PATH and has proper permissions.\n\n" msg diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb index d0bad05176..a82cea80ca 100644 --- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb +++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb @@ -67,7 +67,7 @@ module ActiveRecord end def run_cmd_error(cmd, args) - msg = "failed to execute:\n".dup + msg = +"failed to execute:\n" msg << "#{cmd} #{args.join(' ')}\n\n" msg << "Please check the output above for any errors and make sure that `#{cmd}` is installed in your PATH and has proper permissions.\n\n" msg diff --git a/activerecord/lib/arel/collectors/plain_string.rb b/activerecord/lib/arel/collectors/plain_string.rb index 687d7fbf2f..c0e9fff399 100644 --- a/activerecord/lib/arel/collectors/plain_string.rb +++ b/activerecord/lib/arel/collectors/plain_string.rb @@ -4,7 +4,7 @@ module Arel # :nodoc: all module Collectors class PlainString def initialize - @str = "".dup + @str = +"" end def value diff --git a/activerecord/lib/arel/nodes/select_core.rb b/activerecord/lib/arel/nodes/select_core.rb index 2defe61974..73461ff683 100644 --- a/activerecord/lib/arel/nodes/select_core.rb +++ b/activerecord/lib/arel/nodes/select_core.rb @@ -3,13 +3,12 @@ module Arel # :nodoc: all module Nodes class SelectCore < Arel::Nodes::Node - attr_accessor :top, :projections, :wheres, :groups, :windows + attr_accessor :projections, :wheres, :groups, :windows attr_accessor :havings, :source, :set_quantifier def initialize super() @source = JoinSource.new nil - @top = nil # https://ronsavage.github.io/SQL/sql-92.bnf.html#set%20quantifier @set_quantifier = nil @@ -43,7 +42,7 @@ module Arel # :nodoc: all def hash [ - @source, @top, @set_quantifier, @projections, + @source, @set_quantifier, @projections, @wheres, @groups, @havings, @windows ].hash end @@ -51,7 +50,6 @@ module Arel # :nodoc: all def eql?(other) self.class == other.class && self.source == other.source && - self.top == other.top && self.set_quantifier == other.set_quantifier && self.projections == other.projections && self.wheres == other.wheres && diff --git a/activerecord/lib/arel/nodes/unary.rb b/activerecord/lib/arel/nodes/unary.rb index a3c0045897..00639304e4 100644 --- a/activerecord/lib/arel/nodes/unary.rb +++ b/activerecord/lib/arel/nodes/unary.rb @@ -37,7 +37,6 @@ module Arel # :nodoc: all On Ordering RollUp - Top }.each do |name| const_set(name, Class.new(Unary)) end diff --git a/activerecord/lib/arel/select_manager.rb b/activerecord/lib/arel/select_manager.rb index 733176ad9e..a2b2838a3d 100644 --- a/activerecord/lib/arel/select_manager.rb +++ b/activerecord/lib/arel/select_manager.rb @@ -222,10 +222,8 @@ module Arel # :nodoc: all def take(limit) if limit @ast.limit = Nodes::Limit.new(limit) - @ctx.top = Nodes::Top.new(limit) else @ast.limit = nil - @ctx.top = nil end self end diff --git a/activerecord/lib/arel/visitors/depth_first.rb b/activerecord/lib/arel/visitors/depth_first.rb index bcf8f8f980..5948622aea 100644 --- a/activerecord/lib/arel/visitors/depth_first.rb +++ b/activerecord/lib/arel/visitors/depth_first.rb @@ -34,7 +34,6 @@ module Arel # :nodoc: all alias :visit_Arel_Nodes_Ordering :unary alias :visit_Arel_Nodes_Ascending :unary alias :visit_Arel_Nodes_Descending :unary - alias :visit_Arel_Nodes_Top :unary alias :visit_Arel_Nodes_UnqualifiedColumn :unary def function(o) diff --git a/activerecord/lib/arel/visitors/dot.rb b/activerecord/lib/arel/visitors/dot.rb index d352b81914..76830412d4 100644 --- a/activerecord/lib/arel/visitors/dot.rb +++ b/activerecord/lib/arel/visitors/dot.rb @@ -81,7 +81,6 @@ module Arel # :nodoc: all alias :visit_Arel_Nodes_Not :unary alias :visit_Arel_Nodes_Offset :unary alias :visit_Arel_Nodes_On :unary - alias :visit_Arel_Nodes_Top :unary alias :visit_Arel_Nodes_UnqualifiedColumn :unary alias :visit_Arel_Nodes_Preceding :unary alias :visit_Arel_Nodes_Following :unary diff --git a/activerecord/lib/arel/visitors/mssql.rb b/activerecord/lib/arel/visitors/mssql.rb index 9aedc51d15..d564e19089 100644 --- a/activerecord/lib/arel/visitors/mssql.rb +++ b/activerecord/lib/arel/visitors/mssql.rb @@ -12,13 +12,6 @@ module Arel # :nodoc: all private - # `top` wouldn't really work here. I.e. User.select("distinct first_name").limit(10) would generate - # "select top 10 distinct first_name from users", which is invalid query! it should be - # "select distinct top 10 first_name from users" - def visit_Arel_Nodes_Top(o) - "" - end - def visit_Arel_Visitors_MSSQL_RowNumber(o, collector) collector << "ROW_NUMBER() OVER (ORDER BY " inject_join(o.children, collector, ", ") << ") as _row_num" diff --git a/activerecord/lib/arel/visitors/to_sql.rb b/activerecord/lib/arel/visitors/to_sql.rb index 0682c066fb..81ca63f261 100644 --- a/activerecord/lib/arel/visitors/to_sql.rb +++ b/activerecord/lib/arel/visitors/to_sql.rb @@ -237,8 +237,6 @@ module Arel # :nodoc: all def visit_Arel_Nodes_SelectCore(o, collector) collector << "SELECT" - collector = maybe_visit o.top, collector - collector = maybe_visit o.set_quantifier, collector collect_nodes_for o.projections, collector, SPACE @@ -405,11 +403,6 @@ module Arel # :nodoc: all visit o.expr, collector end - # FIXME: this does nothing on most databases, but does on MSSQL - def visit_Arel_Nodes_Top(o, collector) - collector - end - def visit_Arel_Nodes_Lock(o, collector) visit o.expr, collector end |