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-rw-r--r--activerecord/lib/active_record/associations.rb11
-rw-r--r--activerecord/lib/active_record/associations/belongs_to_association.rb2
-rw-r--r--activerecord/lib/active_record/associations/collection_proxy.rb28
-rw-r--r--activerecord/lib/active_record/associations/preloader/through_association.rb14
-rw-r--r--activerecord/lib/active_record/autosave_association.rb2
-rw-r--r--activerecord/lib/active_record/collection_cache_key.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb14
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb5
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/quoting.rb9
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb16
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb47
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb14
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb6
-rw-r--r--activerecord/lib/active_record/dynamic_matchers.rb17
-rw-r--r--activerecord/lib/active_record/migration/command_recorder.rb12
-rw-r--r--activerecord/lib/active_record/railties/databases.rake4
-rw-r--r--activerecord/lib/active_record/reflection.rb4
-rw-r--r--activerecord/lib/active_record/relation.rb3
-rw-r--r--activerecord/lib/active_record/relation/calculations.rb3
-rw-r--r--activerecord/lib/active_record/relation/delegation.rb10
-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb6
-rw-r--r--activerecord/lib/active_record/relation/query_methods.rb2
-rw-r--r--activerecord/lib/active_record/schema_dumper.rb4
-rw-r--r--activerecord/lib/active_record/tasks/database_tasks.rb14
-rw-r--r--activerecord/lib/active_record/tasks/mysql_database_tasks.rb6
-rw-r--r--activerecord/lib/active_record/tasks/postgresql_database_tasks.rb6
-rw-r--r--activerecord/lib/active_record/tasks/sqlite_database_tasks.rb26
28 files changed, 131 insertions, 158 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index e52c2004f3..7c37132d3a 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -1276,7 +1276,7 @@ module ActiveRecord
# Scope examples:
# has_many :comments, -> { where(author_id: 1) }
# has_many :employees, -> { joins(:address) }
- # has_many :posts, ->(post) { where("max_post_length > ?", post.length) }
+ # has_many :posts, ->(blog) { where("max_post_length > ?", blog.max_post_length) }
#
# === Extensions
#
@@ -1443,7 +1443,7 @@ module ActiveRecord
# Scope examples:
# has_one :author, -> { where(comment_id: 1) }
# has_one :employer, -> { joins(:company) }
- # has_one :dob, ->(dob) { where("Date.new(2000, 01, 01) > ?", dob) }
+ # has_one :latest_post, ->(blog) { where("created_at > ?", blog.enabled_at) }
#
# === Options
#
@@ -1573,7 +1573,7 @@ module ActiveRecord
# Scope examples:
# belongs_to :firm, -> { where(id: 2) }
# belongs_to :user, -> { joins(:friends) }
- # belongs_to :level, ->(level) { where("game_level > ?", level.current) }
+ # belongs_to :level, ->(game) { where("game_level > ?", game.current_level) }
#
# === Options
#
@@ -1769,9 +1769,8 @@ module ActiveRecord
#
# Scope examples:
# has_and_belongs_to_many :projects, -> { includes(:milestones, :manager) }
- # has_and_belongs_to_many :categories, ->(category) {
- # where("default_category = ?", category.name)
- # }
+ # has_and_belongs_to_many :categories, ->(post) {
+ # where("default_category = ?", post.default_category)
#
# === Extensions
#
diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb
index a2432e389a..0e61dbfb00 100644
--- a/activerecord/lib/active_record/associations/belongs_to_association.rb
+++ b/activerecord/lib/active_record/associations/belongs_to_association.rb
@@ -22,7 +22,7 @@ module ActiveRecord
end
def default(&block)
- writer(instance_exec(&block)) if reader.nil?
+ writer(owner.instance_exec(&block)) if reader.nil?
end
def reset
diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb
index 5d6676f0df..74a4d515c2 100644
--- a/activerecord/lib/active_record/associations/collection_proxy.rb
+++ b/activerecord/lib/active_record/associations/collection_proxy.rb
@@ -1121,6 +1121,19 @@ module ActiveRecord
delegate(*delegate_methods, to: :scope)
+ module DelegateExtending # :nodoc:
+ private
+ def method_missing(method, *args, &block)
+ extending_values = association_scope.extending_values
+ if extending_values.any? && (extending_values - self.class.included_modules).any?
+ self.class.include(*extending_values)
+ public_send(method, *args, &block)
+ else
+ super
+ end
+ end
+ end
+
private
def find_nth_with_limit(index, limit)
@@ -1141,21 +1154,16 @@ module ActiveRecord
@association.find_from_target?
end
+ def association_scope
+ @association.association_scope
+ end
+
def exec_queries
load_target
end
def respond_to_missing?(method, _)
- scope.respond_to?(method) || super
- end
-
- def method_missing(method, *args, &block)
- if scope.respond_to?(method) && scope.extending_values.any?
- extend(*scope.extending_values)
- public_send(method, *args, &block)
- else
- super
- end
+ association_scope.respond_to?(method) || super
end
end
end
diff --git a/activerecord/lib/active_record/associations/preloader/through_association.rb b/activerecord/lib/active_record/associations/preloader/through_association.rb
index 9d44a02021..d53d3f777b 100644
--- a/activerecord/lib/active_record/associations/preloader/through_association.rb
+++ b/activerecord/lib/active_record/associations/preloader/through_association.rb
@@ -16,15 +16,13 @@ module ActiveRecord
through_scope)
through_records = owners.map do |owner|
- association = owner.association through_reflection.name
-
- center = target_records_from_association(association)
+ center = owner.association(through_reflection.name).target
[owner, Array(center)]
end
reset_association owners, through_reflection.name
- middle_records = through_records.flat_map { |(_, rec)| rec }
+ middle_records = through_records.flat_map(&:last)
preloaders = preloader.preload(middle_records,
source_reflection.name,
@@ -43,9 +41,7 @@ module ActiveRecord
records_by_owner[lhs] = pl_to_middle.flat_map do |pl, middles|
rhs_records = middles.flat_map { |r|
- association = r.association source_reflection.name
-
- target_records_from_association(association)
+ r.association(source_reflection.name).target
}.compact
# Respect the order on `reflection_scope` if it exists, else use the natural order.
@@ -98,10 +94,6 @@ module ActiveRecord
scope
end
-
- def target_records_from_association(association)
- association.loaded? ? association.target : association.reader
- end
end
end
end
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index 607c54e481..ebe92e7878 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -389,7 +389,7 @@ module ActiveRecord
autosave = reflection.options[:autosave]
# reconstruct the scope now that we know the owner's id
- association.reset_scope if association.respond_to?(:reset_scope)
+ association.reset_scope
if records = associated_records_to_validate_or_save(association, @new_record_before_save, autosave)
if autosave
diff --git a/activerecord/lib/active_record/collection_cache_key.rb b/activerecord/lib/active_record/collection_cache_key.rb
index 1e1de1863a..8b937b6703 100644
--- a/activerecord/lib/active_record/collection_cache_key.rb
+++ b/activerecord/lib/active_record/collection_cache_key.rb
@@ -20,7 +20,7 @@ module ActiveRecord
subquery_alias = "subquery_for_cache_key"
subquery_column = "#{subquery_alias}.#{timestamp_column}"
subquery = query.arel.as(subquery_alias)
- arel = Arel::SelectManager.new(query.engine).project(select_values % subquery_column).from(subquery)
+ arel = Arel::SelectManager.new(subquery).project(select_values % subquery_column)
else
query = collection.unscope(:order)
query.select_values = [select_values % column]
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 177b253645..61bf5477aa 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
@@ -506,14 +506,16 @@ module ActiveRecord
# +conn+: an AbstractAdapter object, which was obtained by earlier by
# calling #checkout on this pool.
def checkin(conn)
- synchronize do
- remove_connection_from_thread_cache conn
+ conn.lock.synchronize do
+ synchronize do
+ remove_connection_from_thread_cache conn
- conn._run_checkin_callbacks do
- conn.expire
- end
+ conn._run_checkin_callbacks do
+ conn.expire
+ end
- @available.add conn
+ @available.add conn
+ end
end
end
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 769f488469..c6811a4802 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -137,9 +137,10 @@ module ActiveRecord
# Returns +true+ when the connection adapter supports prepared statement
# caching, otherwise returns +false+
- def supports_statement_cache?
- false
+ def supports_statement_cache? # :nodoc:
+ true
end
+ deprecate :supports_statement_cache?
# Runs the given block in a database transaction, and returns the result
# of the block.
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index f0c0fbab6c..61233dcc51 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -10,8 +10,15 @@ module ActiveRecord
value = id_value_for_database(value) if value.is_a?(Base)
if value.respond_to?(:quoted_id)
+ at = value.method(:quoted_id).source_location
+ at &&= " at %s:%d" % at
+
+ owner = value.method(:quoted_id).owner.to_s
+ klass = value.class.to_s
+ klass += "(#{owner})" unless owner == klass
+
ActiveSupport::Deprecation.warn \
- "Using #quoted_id is deprecated and will be removed in Rails 5.2."
+ "Defining #quoted_id is deprecated and will be ignored in Rails 5.2. (defined on #{klass}#{at})"
return value.quoted_id
end
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 c742799aab..abc15f595f 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -76,12 +76,6 @@ module ActiveRecord
true
end
- # Returns true, since this connection adapter supports prepared statement
- # caching.
- def supports_statement_cache?
- true
- end
-
def supports_index_sort_order?
!mariadb? && version >= "8.0.1"
end
@@ -720,16 +714,14 @@ module ActiveRecord
# MySQL is too stupid to create a temporary table for use subquery, so we have
# to give it some prompting in the form of a subsubquery. Ugh!
def subquery_for(key, select)
- subsubselect = select.clone
- subsubselect.projections = [key]
+ subselect = select.clone
+ subselect.projections = [key]
# Materialize subquery by adding distinct
# to work with MySQL 5.7.6 which sets optimizer_switch='derived_merge=on'
- subsubselect.distinct unless select.limit || select.offset || select.orders.any?
+ subselect.distinct unless select.limit || select.offset || select.orders.any?
- subselect = Arel::SelectManager.new(select.engine)
- subselect.project Arel.sql(key.name)
- subselect.from subsubselect.as("__active_record_temp")
+ Arel::SelectManager.new(subselect.as("__active_record_temp")).project(Arel.sql(key.name))
end
def supports_rename_index?
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
index 45e400b75b..af55cfe2f6 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
@@ -10,8 +10,6 @@ module ActiveRecord
# Establishes a connection to the database that's used by all Active Record objects.
def mysql2_connection(config)
config = config.symbolize_keys
-
- config[:username] = "root" if config[:username].nil?
config[:flags] ||= 0
if config[:flags].kind_of? Array
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb b/activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb
index 730e7c7137..44a7338bf5 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/referential_integrity.rb
@@ -6,50 +6,8 @@ module ActiveRecord
true
end
- def disable_referential_integrity(&block) # :nodoc:
+ def disable_referential_integrity # :nodoc:
if supports_disable_referential_integrity?
- if supports_alter_constraint?
- disable_referential_integrity_with_alter_constraint(&block)
- else
- disable_referential_integrity_with_disable_trigger(&block)
- end
- else
- yield
- end
- end
-
- private
-
- def disable_referential_integrity_with_alter_constraint
- tables_constraints = execute(<<-SQL).values
- SELECT table_name, constraint_name
- FROM information_schema.table_constraints
- WHERE constraint_type = 'FOREIGN KEY'
- AND is_deferrable = 'NO'
- SQL
-
- execute(
- tables_constraints.collect { |table, constraint|
- "ALTER TABLE #{quote_table_name(table)} ALTER CONSTRAINT #{constraint} DEFERRABLE"
- }.join(";")
- )
-
- begin
- transaction do
- execute("SET CONSTRAINTS ALL DEFERRED")
-
- yield
- end
- ensure
- execute(
- tables_constraints.collect { |table, constraint|
- "ALTER TABLE #{quote_table_name(table)} ALTER CONSTRAINT #{constraint} NOT DEFERRABLE"
- }.join(";")
- )
- end
- end
-
- def disable_referential_integrity_with_disable_trigger
original_exception = nil
begin
@@ -81,7 +39,10 @@ Rails needs superuser privileges to disable referential integrity.
end
rescue ActiveRecord::ActiveRecordError
end
+ else
+ yield
end
+ end
end
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 7ae9bd9a5f..f74f966fd9 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -121,12 +121,6 @@ module ActiveRecord
include PostgreSQL::DatabaseStatements
include PostgreSQL::ColumnDumper
- # Returns true, since this connection adapter supports prepared statement
- # caching.
- def supports_statement_cache?
- true
- end
-
def supports_index_sort_order?
true
end
@@ -314,12 +308,6 @@ module ActiveRecord
postgresql_version >= 90400
end
- def supports_alter_constraint?
- # PostgreSQL 9.4 introduces ALTER TABLE ... ALTER CONSTRAINT but it has a bug and fixed in 9.4.2
- # https://www.postgresql.org/docs/9.4/static/release-9-4-2.html
- postgresql_version >= 90402
- end
-
def get_advisory_lock(lock_id) # :nodoc:
unless lock_id.is_a?(Integer) && lock_id.bit_length <= 63
raise(ArgumentError, "Postgres requires advisory lock ids to be a signed 64 bit integer")
@@ -561,7 +549,7 @@ module ActiveRecord
end
def has_default_function?(default_value, default)
- !default_value && (%r{\w+\(.*\)|\(.*\)::\w+} === default)
+ !default_value && %r{\w+\(.*\)|\(.*\)::\w+|CURRENT_DATE|CURRENT_TIMESTAMP}.match?(default)
end
def load_additional_types(type_map, oids = nil)
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index e2c05ccc4e..7233325d5a 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -105,12 +105,6 @@ module ActiveRecord
sqlite_version >= "3.8.0"
end
- # Returns true, since this connection adapter supports prepared statement
- # caching.
- def supports_statement_cache?
- true
- end
-
def requires_reloading?
true
end
diff --git a/activerecord/lib/active_record/dynamic_matchers.rb b/activerecord/lib/active_record/dynamic_matchers.rb
index d9912cfb22..3a9625092e 100644
--- a/activerecord/lib/active_record/dynamic_matchers.rb
+++ b/activerecord/lib/active_record/dynamic_matchers.rb
@@ -1,15 +1,14 @@
module ActiveRecord
module DynamicMatchers #:nodoc:
- def respond_to_missing?(name, include_private = false)
- if self == Base
- super
- else
- match = Method.match(self, name)
- match && match.valid? || super
- end
- end
-
private
+ def respond_to_missing?(name, _)
+ if self == Base
+ super
+ else
+ match = Method.match(self, name)
+ match && match.valid? || super
+ end
+ end
def method_missing(name, *arguments, &block)
match = Method.match(self, name)
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb
index 03103bba98..f9cf59b283 100644
--- a/activerecord/lib/active_record/migration/command_recorder.rb
+++ b/activerecord/lib/active_record/migration/command_recorder.rb
@@ -92,10 +92,6 @@ module ActiveRecord
send(method, args, &block)
end
- def respond_to_missing?(*args) # :nodoc:
- super || delegate.respond_to?(*args)
- end
-
ReversibleAndIrreversibleMethods.each do |method|
class_eval <<-EOV, __FILE__, __LINE__ + 1
def #{method}(*args, &block) # def create_table(*args, &block)
@@ -225,10 +221,14 @@ module ActiveRecord
[:add_foreign_key, reversed_args]
end
+ def respond_to_missing?(method, _)
+ super || delegate.respond_to?(method)
+ end
+
# Forwards any missing method call to the \target.
def method_missing(method, *args, &block)
- if @delegate.respond_to?(method)
- @delegate.send(method, *args, &block)
+ if delegate.respond_to?(method)
+ delegate.public_send(method, *args, &block)
else
super
end
diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake
index f3e2df8786..711099e9e1 100644
--- a/activerecord/lib/active_record/railties/databases.rake
+++ b/activerecord/lib/active_record/railties/databases.rake
@@ -93,7 +93,7 @@ db_namespace = namespace :db do
# desc 'Runs the "up" for a given migration VERSION.'
task up: [:environment, :load_config] do
- raise "VERSION is required" if ENV["VERSION"] && ENV["VERSION"].empty?
+ raise "VERSION is required" if !ENV["VERSION"] || ENV["VERSION"].empty?
version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil
ActiveRecord::Migrator.run(:up, ActiveRecord::Tasks::DatabaseTasks.migrations_paths, version)
@@ -102,7 +102,7 @@ db_namespace = namespace :db do
# desc 'Runs the "down" for a given migration VERSION.'
task down: [:environment, :load_config] do
- raise "VERSION is required - To go down one migration, use db:rollback" if ENV["VERSION"] && ENV["VERSION"].empty?
+ raise "VERSION is required - To go down one migration, use db:rollback" if !ENV["VERSION"] || ENV["VERSION"].empty?
version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil
ActiveRecord::Migrator.run(:down, ActiveRecord::Tasks::DatabaseTasks.migrations_paths, version)
db_namespace["_dump"].invoke
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
index 24ca8b0be4..1a9e0a4a40 100644
--- a/activerecord/lib/active_record/reflection.rb
+++ b/activerecord/lib/active_record/reflection.rb
@@ -212,7 +212,7 @@ module ActiveRecord
end
def constraints
- chain.map(&:scopes).flatten
+ chain.flat_map(&:scopes)
end
def counter_cache_column
@@ -1105,7 +1105,7 @@ module ActiveRecord
end
def alias_name
- Arel::Table.new(table_name)
+ Arel::Table.new(table_name, type_caster: klass.type_caster)
end
def all_includes; yield; end
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 5775eda5a5..333ad16e11 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -269,8 +269,7 @@ module ActiveRecord
# Returns true if there are no records.
def empty?
return @records.empty? if loaded?
-
- limit_value == 0 || !exists?
+ !exists?
end
# Returns true if there are no records.
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb
index 9cabd1af13..861b2125d4 100644
--- a/activerecord/lib/active_record/relation/calculations.rb
+++ b/activerecord/lib/active_record/relation/calculations.rb
@@ -368,9 +368,8 @@ module ActiveRecord
relation.select_values = [aliased_column]
subquery = relation.arel.as(subquery_alias)
- sm = Arel::SelectManager.new relation.engine
select_value = operation_over_aggregate_column(column_alias, "count", distinct)
- sm.project(select_value).from(subquery)
+ Arel::SelectManager.new(subquery).project(select_value)
end
end
end
diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb
index 50378f9d99..257ae04ff4 100644
--- a/activerecord/lib/active_record/relation/delegation.rb
+++ b/activerecord/lib/active_record/relation/delegation.rb
@@ -25,6 +25,8 @@ module ActiveRecord
def inherited(child_class)
child_class.initialize_relation_delegate_cache
+ delegate = child_class.relation_delegate_class(ActiveRecord::Associations::CollectionProxy)
+ delegate.include ActiveRecord::Associations::CollectionProxy::DelegateExtending
super
end
end
@@ -109,12 +111,10 @@ module ActiveRecord
end
end
- def respond_to_missing?(method, include_private = false)
- super || @klass.respond_to?(method, include_private) ||
- arel.respond_to?(method, include_private)
- end
-
private
+ def respond_to_missing?(method, _)
+ super || @klass.respond_to?(method) || arel.respond_to?(method)
+ end
def method_missing(method, *args, &block)
if @klass.respond_to?(method)
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index a1459c87c6..1d661fa8ed 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -307,9 +307,11 @@ module ActiveRecord
MSG
end
- return false if !conditions
+ return false if !conditions || limit_value == 0
+
+ relation = self unless eager_loading?
+ relation ||= apply_join_dependency(self, construct_join_dependency(eager_loading: false))
- relation = apply_join_dependency(self, construct_join_dependency(eager_loading: false))
return false if ActiveRecord::NullRelation === relation
relation = construct_relation_for_exists(relation, conditions)
diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index 1178dec706..76e529f2de 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -248,7 +248,7 @@ module ActiveRecord
return super()
end
- raise ArgumentError, "Call this with at least one field" if fields.empty?
+ raise ArgumentError, "Call `select' with at least one field" if fields.empty?
spawn._select!(*fields)
end
diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb
index 94d63765c9..24b81aabc8 100644
--- a/activerecord/lib/active_record/schema_dumper.rb
+++ b/activerecord/lib/active_record/schema_dumper.rb
@@ -11,8 +11,8 @@ module ActiveRecord
##
# :singleton-method:
# A list of tables which should not be dumped to the schema.
- # Acceptable values are strings as well as regexp.
- # This setting is only used if ActiveRecord::Base.schema_format == :ruby
+ # Acceptable values are strings as well as regexp if ActiveRecord::Base.schema_format == :ruby.
+ # Only strings are accepted if ActiveRecord::Base.schema_format == :sql.
cattr_accessor :ignore_tables
@@ignore_tables = []
diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb
index 46fa8a70a3..c53dee43d7 100644
--- a/activerecord/lib/active_record/tasks/database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/database_tasks.rb
@@ -71,9 +71,9 @@ module ActiveRecord
@tasks[pattern] = task
end
- register_task(/mysql/, ActiveRecord::Tasks::MySQLDatabaseTasks)
- register_task(/postgresql/, ActiveRecord::Tasks::PostgreSQLDatabaseTasks)
- register_task(/sqlite/, ActiveRecord::Tasks::SQLiteDatabaseTasks)
+ register_task(/mysql/, 'ActiveRecord::Tasks::MySQLDatabaseTasks')
+ register_task(/postgresql/, 'ActiveRecord::Tasks::PostgreSQLDatabaseTasks')
+ register_task(/sqlite/, 'ActiveRecord::Tasks::SQLiteDatabaseTasks')
def db_dir
@db_dir ||= Rails.application.config.paths["db"].first
@@ -164,7 +164,7 @@ module ActiveRecord
def migrate
raise "Empty VERSION provided" if ENV["VERSION"] && ENV["VERSION"].empty?
- verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] == "true" : true
+ verbose = ENV["VERBOSE"] ? ENV["VERBOSE"] != "false" : true
version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil
scope = ENV["SCOPE"]
verbose_was, Migration.verbose = Migration.verbose, verbose
@@ -288,11 +288,11 @@ module ActiveRecord
private
def class_for_adapter(adapter)
- key = @tasks.keys.detect { |pattern| adapter[pattern] }
- unless key
+ _key, task = @tasks.each_pair.detect { |pattern, _task| adapter[pattern] }
+ unless task
raise DatabaseNotSupported, "Rake tasks not supported by '#{adapter}' adapter"
end
- @tasks[key]
+ task.is_a?(String) ? task.constantize : task
end
def each_current_configuration(environment)
diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
index c05f0a8fbb..541165b3d1 100644
--- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
@@ -60,6 +60,12 @@ module ActiveRecord
args.concat(["--routines"])
args.concat(["--skip-comments"])
args.concat(Array(extra_flags)) if extra_flags
+
+ ignore_tables = ActiveRecord::SchemaDumper.ignore_tables
+ if ignore_tables.any?
+ args += ignore_tables.map { |table| "--ignore-table=#{configuration['database']}.#{table}" }
+ end
+
args.concat(["#{configuration['database']}"])
run_cmd("mysqldump", args, "dumping")
diff --git a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
index f1af90c1e8..7f1a768d8b 100644
--- a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
@@ -66,6 +66,12 @@ module ActiveRecord
"--schema=#{part.strip}"
end
end
+
+ ignore_tables = ActiveRecord::SchemaDumper.ignore_tables
+ if ignore_tables.any?
+ args += ignore_tables.flat_map { |table| ["-T", table] }
+ end
+
args << configuration["database"]
run_cmd("pg_dump", args, "dumping")
remove_sql_header_comments(filename)
diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
index 1f756c2979..7043d2f0c8 100644
--- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
@@ -36,9 +36,18 @@ module ActiveRecord
end
def structure_dump(filename, extra_flags)
- dbfile = configuration["database"]
- flags = extra_flags.join(" ") if extra_flags
- `sqlite3 #{flags} #{dbfile} .schema > #{filename}`
+ args = []
+ args.concat(Array(extra_flags)) if extra_flags
+ args << configuration["database"]
+
+ ignore_tables = ActiveRecord::SchemaDumper.ignore_tables
+ if ignore_tables.any?
+ condition = ignore_tables.map { |table| connection.quote_table_name(table) }.join(", ")
+ args << "SELECT sql FROM sqlite_master WHERE tbl_name NOT IN (#{condition}) ORDER BY tbl_name, type DESC, name"
+ else
+ args << ".schema"
+ end
+ run_cmd("sqlite3", args, filename)
end
def structure_load(filename, extra_flags)
@@ -56,6 +65,17 @@ module ActiveRecord
def root
@root
end
+
+ def run_cmd(cmd, args, out)
+ fail run_cmd_error(cmd, args) unless Kernel.system(cmd, *args, out: out)
+ end
+
+ def run_cmd_error(cmd, args)
+ 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
+ end
end
end
end