diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters')
12 files changed, 81 insertions, 33 deletions
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 5ec2fc073e..ce4721c99d 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -967,7 +967,7 @@ module ActiveRecord end def pool_from_any_process_for(spec_name) - owner_to_pool = @owner_to_pool.values.find { |v| v[spec_name] } + owner_to_pool = @owner_to_pool.values.reverse.find { |v| v[spec_name] } owner_to_pool && owner_to_pool[spec_name] end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb index 0c6bc16e6f..437e7c6510 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb @@ -1,4 +1,5 @@ require "active_support/core_ext/big_decimal/conversions" +require "active_support/multibyte/chars" module ActiveRecord module ConnectionAdapters # :nodoc: 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 322684672f..807df2184a 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb @@ -15,9 +15,9 @@ module ActiveRecord end delegate :quote_column_name, :quote_table_name, :quote_default_expression, :type_to_sql, - :options_include_default?, :supports_indexes_in_create?, :supports_foreign_keys?, :foreign_key_options, to: :@conn + :options_include_default?, :supports_indexes_in_create?, :supports_foreign_keys_in_create?, :foreign_key_options, to: :@conn private :quote_column_name, :quote_table_name, :quote_default_expression, :type_to_sql, - :options_include_default?, :supports_indexes_in_create?, :supports_foreign_keys?, :foreign_key_options + :options_include_default?, :supports_indexes_in_create?, :supports_foreign_keys_in_create?, :foreign_key_options private @@ -49,7 +49,7 @@ module ActiveRecord statements.concat(o.indexes.map { |column_name, options| index_in_create(o.name, column_name, options) }) end - if supports_foreign_keys? + if supports_foreign_keys_in_create? statements.concat(o.foreign_keys.map { |to_table, options| foreign_key_in_create(o.name, to_table, options) }) end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb index 9b324c090b..b518ef760b 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -3,29 +3,25 @@ module ActiveRecord # Abstract representation of an index definition on a table. Instances of # this type are typically created and returned by methods in database # adapters. e.g. ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter#indexes - class IndexDefinition < Struct.new(:table, :name, :unique, :columns, :lengths, :orders, :where, :type, :using, :comment) #:nodoc: - end + IndexDefinition = Struct.new(:table, :name, :unique, :columns, :lengths, :orders, :where, :type, :using, :comment) #:nodoc: # Abstract representation of a column definition. Instances of this type # are typically created by methods in TableDefinition, and added to the # +columns+ attribute of said TableDefinition object, in order to be used # for generating a number of table creation or table changing SQL statements. - class ColumnDefinition < Struct.new(:name, :type, :limit, :precision, :scale, :default, :null, :first, :after, :auto_increment, :primary_key, :collation, :sql_type, :comment) #:nodoc: + ColumnDefinition = Struct.new(:name, :type, :limit, :precision, :scale, :default, :null, :first, :after, :auto_increment, :primary_key, :collation, :sql_type, :comment) do #:nodoc: def primary_key? primary_key || type.to_sym == :primary_key end end - class AddColumnDefinition < Struct.new(:column) # :nodoc: - end + AddColumnDefinition = Struct.new(:column) # :nodoc: - class ChangeColumnDefinition < Struct.new(:column, :name) #:nodoc: - end + ChangeColumnDefinition = Struct.new(:column, :name) #:nodoc: - class PrimaryKeyDefinition < Struct.new(:name) # :nodoc: - end + PrimaryKeyDefinition = Struct.new(:name) # :nodoc: - class ForeignKeyDefinition < Struct.new(:from_table, :to_table, :options) #:nodoc: + ForeignKeyDefinition = Struct.new(:from_table, :to_table, :options) do #:nodoc: def name options[:name] end 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 1bdc086380..d7e2818e35 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -1008,15 +1008,15 @@ module ActiveRecord end end - # Should not be called normally, but this operation is non-destructive. - # The migrations module handles this automatically. - def initialize_schema_migrations_table + def initialize_schema_migrations_table # :nodoc: ActiveRecord::SchemaMigration.create_table end + deprecate :initialize_schema_migrations_table - def initialize_internal_metadata_table + def initialize_internal_metadata_table # :nodoc: ActiveRecord::InternalMetadata.create_table end + deprecate :initialize_internal_metadata_table def internal_string_options_for_primary_key # :nodoc: { primary_key: true } diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 4046b3829d..348396de72 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -176,7 +176,7 @@ module ActiveRecord if @owner == Thread.current msg << "it is already leased by the current thread." else - msg << "it is already in use by a different thread: #{@owner}. " << + msg << "it is already in use by a different thread: #{@owner}. " \ "Current thread: #{Thread.current}." end raise ActiveRecordError, msg @@ -194,8 +194,8 @@ module ActiveRecord def expire if in_use? if @owner != Thread.current - raise ActiveRecordError, "Cannot expire connection, " << - "it is owned by a different thread: #{@owner}. " << + raise ActiveRecordError, "Cannot expire connection, " \ + "it is owned by a different thread: #{@owner}. " \ "Current thread: #{Thread.current}." end @@ -310,6 +310,12 @@ module ActiveRecord false end + # Does this adapter support creating foreign key constraints + # in the same statement as creating the table? + def supports_foreign_keys_in_create? + supports_foreign_keys? + end + # Does this adapter support views? def supports_views? false diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb index 0cf40de70f..f1ba0cb708 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb @@ -3,10 +3,8 @@ module ActiveRecord module MySQL module ColumnMethods def primary_key(name, type = :primary_key, **options) - if type == :primary_key && !options.key?(:default) - options[:auto_increment] = true - options[:limit] = 8 - end + options[:auto_increment] = true if [:primary_key, :integer, :bigint].include?(type) && !options.key?(:default) + options[:limit] = 8 if [:primary_key].include?(type) super end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb index 2065816501..d44c35714f 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb @@ -4,8 +4,8 @@ module ActiveRecord module ColumnDumper def column_spec_for_primary_key(column) spec = super - if column.type == :integer && !column.auto_increment? - spec[:default] = schema_default(column) || "nil" + if [:integer, :bigint].include?(schema_type(column)) && !column.auto_increment? + spec[:default] ||= schema_default(column) || "nil" end spec[:unsigned] = "true" if column.unsigned? spec diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb index 4afb4733eb..c3e182b43d 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb @@ -42,6 +42,7 @@ module ActiveRecord # a record (as primary keys cannot be +nil+). This might be done via the # +SecureRandom.uuid+ method and a +before_save+ callback, for instance. def primary_key(name, type = :primary_key, **options) + options[:auto_increment] = true if [:primary_key, :integer, :bigint].include?(type) && !options.key?(:default) if type == :uuid options[:default] = options.fetch(:default, "gen_random_uuid()") elsif options.delete(:auto_increment) == true && %i(integer bigint).include?(type) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 0ebd907cc0..315d70c33f 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -759,11 +759,11 @@ module ActiveRecord query(<<-end_sql, "SCHEMA") SELECT a.attname, format_type(a.atttypid, a.atttypmod), pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod, - (SELECT c.collname FROM pg_collation c, pg_type t - WHERE c.oid = a.attcollation AND t.oid = a.atttypid AND a.attcollation <> t.typcollation), - col_description(a.attrelid, a.attnum) AS comment - FROM pg_attribute a LEFT JOIN pg_attrdef d - ON a.attrelid = d.adrelid AND a.attnum = d.adnum + c.collname, col_description(a.attrelid, a.attnum) AS comment + FROM pg_attribute a + LEFT JOIN pg_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum + LEFT JOIN pg_type t ON a.atttypid = t.oid + LEFT JOIN pg_collation c ON a.attcollation = c.oid AND a.attcollation <> t.typcollation WHERE a.attrelid = #{quote(quote_table_name(table_name))}::regclass AND a.attnum > 0 AND NOT a.attisdropped ORDER BY a.attnum diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_definitions.rb index d0b38dff4c..f9bb7e6d82 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_definitions.rb @@ -3,7 +3,7 @@ module ActiveRecord module SQLite3 module ColumnMethods def primary_key(name, type = :primary_key, **options) - if options.delete(:auto_increment) == true && %i(integer bigint).include?(type) + if %i(integer bigint).include?(type) && (options.delete(:auto_increment) == true || !options.key?(:default)) type = :primary_key end diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index ec44d020c2..ca6de37a6b 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -95,6 +95,8 @@ module ActiveRecord @active = nil @statements = StatementPool.new(self.class.type_cast_config_to_integer(config[:statement_limit])) + + configure_connection end def supports_ddl_transactions? @@ -128,6 +130,10 @@ module ActiveRecord true end + def supports_foreign_keys_in_create? + sqlite_version >= "3.6.19" + end + def supports_views? true end @@ -185,6 +191,19 @@ module ActiveRecord true end + # REFERENTIAL INTEGRITY ==================================== + + def disable_referential_integrity # :nodoc: + old = select_value("PRAGMA foreign_keys") + + begin + execute("PRAGMA foreign_keys = OFF") + yield + ensure + execute("PRAGMA foreign_keys = #{old}") + end + end + #-- # DATABASE STATEMENTS ====================================== #++ @@ -424,6 +443,19 @@ module ActiveRecord rename_column_indexes(table_name, column.name, new_column_name) end + def foreign_keys(table_name) + fk_info = select_all("PRAGMA foreign_key_list(#{quote(table_name)})", "SCHEMA") + fk_info.map do |row| + options = { + column: row["from"], + primary_key: row["to"], + on_delete: extract_foreign_key_action(row["on_delete"]), + on_update: extract_foreign_key_action(row["on_update"]) + } + ForeignKeyDefinition.new(table_name, row["table"], options) + end + end + private def table_structure(table_name) @@ -525,6 +557,8 @@ module ActiveRecord RecordNotUnique.new(message) when /.* may not be NULL/, /NOT NULL constraint failed: .*/ NotNullViolation.new(message) + when /FOREIGN KEY constraint failed/i + InvalidForeignKey.new(message) else super end @@ -574,6 +608,18 @@ module ActiveRecord def create_table_definition(*args) SQLite3::TableDefinition.new(*args) end + + def extract_foreign_key_action(specifier) + case specifier + when "CASCADE"; :cascade + when "SET NULL"; :nullify + when "RESTRICT"; :restrict + end + end + + def configure_connection + execute("PRAGMA foreign_keys = ON", "SCHEMA") + end end end end |