diff options
Diffstat (limited to 'activerecord/lib')
14 files changed, 124 insertions, 63 deletions
diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb index 4583d89cba..ca0305abbb 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -1,6 +1,7 @@ # frozen_string_literal: true require "active_record/associations/join_dependency/join_part" +require "active_support/core_ext/array/extract" module ActiveRecord module Associations @@ -30,17 +31,21 @@ module ActiveRecord table = tables[-i] klass = reflection.klass - constraint = reflection.build_join_constraint(table, foreign_table) + join_scope = reflection.join_scope(table, foreign_table, foreign_klass) - joins << table.create_join(table, table.create_on(constraint), join_type) - - join_scope = reflection.join_scope(table, foreign_klass) arel = join_scope.arel(alias_tracker.aliases) + nodes = arel.constraints.first + + others = nodes.children.extract! do |node| + Arel.fetch_attribute(node) { |attr| attr.relation.name != table.name } + end + + joins << table.create_join(table, table.create_on(nodes), join_type) - if arel.constraints.any? + unless others.empty? joins.concat arel.join_sources right = joins.last.right - right.expr = right.expr.and(arel.constraints) + right.expr.children.concat(others) end # The current table in this iteration becomes the foreign table in the next 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 1c8df3c08a..0ded1a5318 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -915,6 +915,16 @@ module ActiveRecord # about the model. The model needs to pass a specification name to the handler, # in order to look up the correct connection pool. class ConnectionHandler + def self.create_owner_to_pool # :nodoc: + Concurrent::Map.new(initial_capacity: 2) do |h, k| + # Discard the parent's connection pools immediately; we have no need + # of them + discard_unowned_pools(h) + + h[k] = Concurrent::Map.new(initial_capacity: 2) + end + end + def self.unowned_pool_finalizer(pid_map) # :nodoc: lambda do |_| discard_unowned_pools(pid_map) @@ -929,13 +939,7 @@ module ActiveRecord def initialize # These caches are keyed by spec.name (ConnectionSpecification#name). - @owner_to_pool = Concurrent::Map.new(initial_capacity: 2) do |h, k| - # Discard the parent's connection pools immediately; we have no need - # of them - ConnectionHandler.discard_unowned_pools(h) - - h[k] = Concurrent::Map.new(initial_capacity: 2) - end + @owner_to_pool = ConnectionHandler.create_owner_to_pool # Backup finalizer: if the forked child never needed a pool, the above # early discard has not occurred diff --git a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb index 4e55fcae2f..d950099bab 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb @@ -96,6 +96,12 @@ module ActiveRecord if @query_cache_enabled && !locked?(arel) arel = arel_from_relation(arel) sql, binds = to_sql_and_binds(arel, binds) + + if binds.length > bind_params_length + sql, binds = unprepared_statement { to_sql_and_binds(arel) } + preparable = false + end + cache_sql(sql, name, binds) { super(sql, name, binds, preparable: preparable) } else super 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 569c146f92..246c6b5123 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -795,17 +795,27 @@ module ActiveRecord end def mismatched_foreign_key(message, sql:, binds:) - parts = sql.scan(/`(\w+)`[ $)]/).flatten - MismatchedForeignKey.new( - self, + match = %r/ + (?:CREATE|ALTER)\s+TABLE\s*(?:`?\w+`?\.)?`?(?<table>\w+)`?.+? + FOREIGN\s+KEY\s*\(`?(?<foreign_key>\w+)`?\)\s* + REFERENCES\s*(`?(?<target_table>\w+)`?)\s*\(`?(?<primary_key>\w+)`?\) + /xmi.match(sql) + + options = { message: message, sql: sql, binds: binds, - table: parts[0], - foreign_key: parts[1], - target_table: parts[2], - primary_key: parts[3], - ) + } + + if match + options[:table] = match[:table] + options[:foreign_key] = match[:foreign_key] + options[:target_table] = match[:target_table] + options[:primary_key] = match[:primary_key] + options[:primary_key_column] = column_for(match[:target_table], match[:primary_key]) + end + + MismatchedForeignKey.new(options) end def integer_to_sql(limit) # :nodoc: 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 0a637d81fa..bd649451d6 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb @@ -74,10 +74,8 @@ module ActiveRecord fk_to_table == table && options.all? { |k, v| fk.options[k].to_s == v.to_s } end || raise(ArgumentError, "Table '#{from_table}' has no foreign key for #{to_table}") - alter_table(from_table, foreign_keys) do |definition| - fk_to_table = strip_table_name_prefix_and_suffix(fkey.to_table) - definition.foreign_keys.delete([fk_to_table, fkey.options]) - end + foreign_keys.delete(fkey) + alter_table(from_table, foreign_keys) end def create_schema_dumper(options) diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index 0858af3874..48c0e8bbcc 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -126,16 +126,26 @@ module ActiveRecord # Raised when a foreign key constraint cannot be added because the column type does not match the referenced column type. class MismatchedForeignKey < StatementInvalid - def initialize(adapter = nil, message: nil, sql: nil, binds: nil, table: nil, foreign_key: nil, target_table: nil, primary_key: nil) - @adapter = adapter + def initialize( + message: nil, + sql: nil, + binds: nil, + table: nil, + foreign_key: nil, + target_table: nil, + primary_key: nil, + primary_key_column: nil + ) if table - msg = +<<~EOM - Column `#{foreign_key}` on table `#{table}` has a type of `#{column_type(table, foreign_key)}`. - This does not match column `#{primary_key}` on `#{target_table}`, which has type `#{column_type(target_table, primary_key)}`. - To resolve this issue, change the type of the `#{foreign_key}` column on `#{table}` to be :integer. (For example `t.integer #{foreign_key}`). + type = primary_key_column.bigint? ? :bigint : primary_key_column.type + msg = <<~EOM.squish + Column `#{foreign_key}` on table `#{table}` does not match column `#{primary_key}` on `#{target_table}`, + which has type `#{primary_key_column.sql_type}`. + To resolve this issue, change the type of the `#{foreign_key}` column on `#{table}` to be :#{type}. + (For example `t.#{type} :#{foreign_key}`). EOM else - msg = +<<~EOM + msg = <<~EOM.squish There is a mismatch between the foreign key and primary key column types. Verify that the foreign key column type and the primary key of the associated table match types. EOM @@ -145,11 +155,6 @@ module ActiveRecord end super(msg, sql: sql, binds: binds) end - - private - def column_type(table, column) - @adapter.columns(table).detect { |c| c.name == column }.sql_type - end end # Raised when a record cannot be inserted or updated because it would violate a not null constraint. diff --git a/activerecord/lib/active_record/inheritance.rb b/activerecord/lib/active_record/inheritance.rb index 138fd1cf53..9570bc6f86 100644 --- a/activerecord/lib/active_record/inheritance.rb +++ b/activerecord/lib/active_record/inheritance.rb @@ -249,7 +249,7 @@ module ActiveRecord sti_column = arel_attribute(inheritance_column, table) sti_names = ([self] + descendants).map(&:sti_name) - sti_column.in(sti_names) + predicate_builder.build(sti_column, sti_names) end # Detect the subclass from the inheritance column of attrs. If the inheritance column value diff --git a/activerecord/lib/active_record/querying.rb b/activerecord/lib/active_record/querying.rb index 2a27f53f06..b3eeb60571 100644 --- a/activerecord/lib/active_record/querying.rb +++ b/activerecord/lib/active_record/querying.rb @@ -7,7 +7,7 @@ module ActiveRecord delegate :first_or_create, :first_or_create!, :first_or_initialize, to: :all delegate :find_or_create_by, :find_or_create_by!, :create_or_find_by, :create_or_find_by!, :find_or_initialize_by, to: :all delegate :find_by, :find_by!, to: :all - delegate :destroy_all, :delete_all, :update_all, to: :all + delegate :destroy_all, :delete_all, :update_all, :destroy_by, :delete_by, to: :all delegate :find_each, :find_in_batches, :in_batches, to: :all delegate :select, :group, :order, :except, :reorder, :limit, :offset, :joins, :left_joins, :left_outer_joins, :or, :where, :rewhere, :preload, :eager_load, :includes, :from, :lock, :readonly, :extending, diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 6d2f75a3ae..3452cf971b 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -178,28 +178,24 @@ module ActiveRecord scope ? [scope] : [] end - def build_join_constraint(table, foreign_table) - key = join_keys.key - foreign_key = join_keys.foreign_key - - constraint = table[key].eq(foreign_table[foreign_key]) - - if klass.finder_needs_type_condition? - table.create_and([constraint, klass.send(:type_condition, table)]) - else - constraint - end - end - - def join_scope(table, foreign_klass) + def join_scope(table, foreign_table, foreign_klass) predicate_builder = predicate_builder(table) scope_chain_items = join_scopes(table, predicate_builder) klass_scope = klass_join_scope(table, predicate_builder) + key = join_keys.key + foreign_key = join_keys.foreign_key + + klass_scope.where!(table[key].eq(foreign_table[foreign_key])) + if type klass_scope.where!(type => foreign_klass.polymorphic_name) end + if klass.finder_needs_type_condition? + klass_scope.where!(klass.send(:type_condition, table)) + end + scope_chain_items.inject(klass_scope, &:merge!) end diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index feaa20ccc6..f6b21eaa3a 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -507,6 +507,32 @@ module ActiveRecord affected end + # Finds and destroys all records matching the specified conditions. + # This is short-hand for <tt>relation.where(condition).destroy_all</tt>. + # Returns the collection of objects that were destroyed. + # + # If no record is found, returns empty array. + # + # Person.destroy_by(id: 13) + # Person.destroy_by(name: 'Spartacus', rating: 4) + # Person.destroy_by("published_at < ?", 2.weeks.ago) + def destroy_by(*args) + where(*args).destroy_all + end + + # Finds and deletes all records matching the specified conditions. + # This is short-hand for <tt>relation.where(condition).delete_all</tt>. + # Returns the number of rows affected. + # + # If no record is found, returns <tt>0</tt> as zero rows were affected. + # + # Person.delete_by(id: 13) + # Person.delete_by(name: 'Spartacus', rating: 4) + # Person.delete_by("published_at < ?", 2.weeks.ago) + def delete_by(*args) + where(*args).delete_all + end + # Causes the records to be loaded from the database if they have not # been loaded already. You can use this if for some reason you need # to explicitly load some records before actually using them. The diff --git a/activerecord/lib/active_record/relation/query_attribute.rb b/activerecord/lib/active_record/relation/query_attribute.rb index 1dd6462d8d..cd18f27330 100644 --- a/activerecord/lib/active_record/relation/query_attribute.rb +++ b/activerecord/lib/active_record/relation/query_attribute.rb @@ -18,8 +18,10 @@ module ActiveRecord end def nil? - !value_before_type_cast.is_a?(StatementCache::Substitute) && - (value_before_type_cast.nil? || value_for_database.nil?) + unless value_before_type_cast.is_a?(StatementCache::Substitute) + value_before_type_cast.nil? || + type.respond_to?(:subtype, true) && value_for_database.nil? + end rescue ::RangeError end diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 75976aa8fc..3566a57ddc 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -1111,7 +1111,7 @@ module ActiveRecord # Uses SQL function with multiple arguments. (order.include?(",") && order.split(",").find { |section| section.count("(") != section.count(")") }) || # Uses "nulls first" like construction. - /nulls (first|last)\Z/i.match?(order) + /\bnulls\s+(?:first|last)\b/i.match?(order) end def build_order(arel) @@ -1157,14 +1157,20 @@ module ActiveRecord order_args.map! do |arg| case arg when Symbol - arel_attribute(arg).asc + field = arg.to_s + arel_column(field) { + Arel.sql(connection.quote_table_name(field)) + }.asc when Hash arg.map { |field, dir| case field when Arel::Nodes::SqlLiteral field.send(dir.downcase) else - arel_attribute(field).send(dir.downcase) + field = field.to_s + arel_column(field) { + Arel.sql(connection.quote_table_name(field)) + }.send(dir.downcase) end } else diff --git a/activerecord/lib/active_record/relation/where_clause.rb b/activerecord/lib/active_record/relation/where_clause.rb index e225628bae..47728aac30 100644 --- a/activerecord/lib/active_record/relation/where_clause.rb +++ b/activerecord/lib/active_record/relation/where_clause.rb @@ -140,11 +140,7 @@ module ActiveRecord def except_predicates(columns) predicates.reject do |node| - case node - when Arel::Nodes::Between, Arel::Nodes::In, Arel::Nodes::NotIn, Arel::Nodes::Equality, Arel::Nodes::NotEqual, Arel::Nodes::LessThan, Arel::Nodes::LessThanOrEqual, Arel::Nodes::GreaterThan, Arel::Nodes::GreaterThanOrEqual - subrelation = (node.left.kind_of?(Arel::Attributes::Attribute) ? node.left : node.right) - columns.include?(subrelation.name.to_s) - end + Arel.fetch_attribute(node) { |attr| columns.include?(attr.name.to_s) } end end diff --git a/activerecord/lib/arel.rb b/activerecord/lib/arel.rb index 7411b5c41b..361cd915cc 100644 --- a/activerecord/lib/arel.rb +++ b/activerecord/lib/arel.rb @@ -39,6 +39,13 @@ module Arel # :nodoc: all value.is_a?(Arel::Node) || value.is_a?(Arel::Attribute) || value.is_a?(Arel::Nodes::SqlLiteral) end + def self.fetch_attribute(value) + case value + when Arel::Nodes::Between, Arel::Nodes::In, Arel::Nodes::NotIn, Arel::Nodes::Equality, Arel::Nodes::NotEqual, Arel::Nodes::LessThan, Arel::Nodes::LessThanOrEqual, Arel::Nodes::GreaterThan, Arel::Nodes::GreaterThanOrEqual + yield value.left.is_a?(Arel::Attributes::Attribute) ? value.left : value.right + end + end + ## Convenience Alias Node = Arel::Nodes::Node end |