diff options
Diffstat (limited to 'activerecord/lib')
29 files changed, 257 insertions, 81 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 840d900bbc..48bb9ab066 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -413,9 +413,9 @@ module ActiveRecord end def replace_records(new_target, original_target) - delete(target - new_target) + delete(difference(target, new_target)) - unless concat(new_target - target) + unless concat(difference(new_target, target)) @target = original_target raise RecordNotSaved, "Failed to replace #{reflection.name} because one or more of the " \ "new records could not be saved." @@ -425,7 +425,7 @@ module ActiveRecord end def replace_common_records_in_memory(new_target, original_target) - common_records = new_target & original_target + common_records = intersection(new_target, original_target) common_records.each do |record| skip_callbacks = true replace_on_target(record, @target.index(record), skip_callbacks) diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index cf85a87fa7..e224d3456a 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -130,6 +130,14 @@ module ActiveRecord end saved_successfully end + + def difference(a, b) + a - b + end + + def intersection(a, b) + a & b + end end end end diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index f84ac65fa2..2322a49931 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -163,6 +163,28 @@ module ActiveRecord end end + def difference(a, b) + distribution = distribution(b) + + a.reject { |record| mark_occurrence(distribution, record) } + end + + def intersection(a, b) + distribution = distribution(b) + + a.select { |record| mark_occurrence(distribution, record) } + end + + def mark_occurrence(distribution, record) + distribution[record] > 0 && distribution[record] -= 1 + end + + def distribution(array) + array.each_with_object(Hash.new(0)) do |record, distribution| + distribution[record] += 1 + end + end + def through_records_for(record) attributes = construct_join_attributes(record) candidates = Array.wrap(through_association.target) diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 0fe868478c..bd095fbc73 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -580,14 +580,12 @@ module ActiveRecord $1.to_i if sql_type =~ /\((.*)\)/ end - def translate_exception_class(e, sql) - begin - message = "#{e.class.name}: #{e.message}: #{sql}" - rescue Encoding::CompatibilityError - message = "#{e.class.name}: #{e.message.force_encoding sql.encoding}: #{sql}" - end + def translate_exception_class(e, sql, binds) + message = "#{e.class.name}: #{e.message}" - exception = translate_exception(e, message) + exception = translate_exception( + e, message: message, sql: sql, binds: binds + ) exception.set_backtrace e.backtrace exception end @@ -606,18 +604,18 @@ module ActiveRecord yield end rescue => e - raise translate_exception_class(e, sql) + raise translate_exception_class(e, sql, binds) end end end - def translate_exception(exception, message) + def translate_exception(exception, message:, sql:, binds:) # override in derived class case exception when RuntimeError exception else - ActiveRecord::StatementInvalid.new(message) + ActiveRecord::StatementInvalid.new(message, sql: sql, binds: binds) end 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 13c799b64a..2d7f34ef24 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -642,34 +642,34 @@ module ActiveRecord ER_QUERY_INTERRUPTED = 1317 ER_QUERY_TIMEOUT = 3024 - def translate_exception(exception, message) + def translate_exception(exception, message:, sql:, binds:) case error_number(exception) when ER_DUP_ENTRY - RecordNotUnique.new(message) + RecordNotUnique.new(message, sql: sql, binds: binds) when ER_NO_REFERENCED_ROW, ER_ROW_IS_REFERENCED, ER_ROW_IS_REFERENCED_2, ER_NO_REFERENCED_ROW_2 - InvalidForeignKey.new(message) + InvalidForeignKey.new(message, sql: sql, binds: binds) when ER_CANNOT_ADD_FOREIGN - mismatched_foreign_key(message) + mismatched_foreign_key(message, sql: sql, binds: binds) when ER_CANNOT_CREATE_TABLE if message.include?("errno: 150") - mismatched_foreign_key(message) + mismatched_foreign_key(message, sql: sql, binds: binds) else super end when ER_DATA_TOO_LONG - ValueTooLong.new(message) + ValueTooLong.new(message, sql: sql, binds: binds) when ER_OUT_OF_RANGE - RangeError.new(message) + RangeError.new(message, sql: sql, binds: binds) when ER_NOT_NULL_VIOLATION, ER_DO_NOT_HAVE_DEFAULT - NotNullViolation.new(message) + NotNullViolation.new(message, sql: sql, binds: binds) when ER_LOCK_DEADLOCK - Deadlocked.new(message) + Deadlocked.new(message, sql: sql, binds: binds) when ER_LOCK_WAIT_TIMEOUT - LockWaitTimeout.new(message) + LockWaitTimeout.new(message, sql: sql, binds: binds) when ER_QUERY_TIMEOUT - StatementTimeout.new(message) + StatementTimeout.new(message, sql: sql, binds: binds) when ER_QUERY_INTERRUPTED - QueryCanceled.new(message) + QueryCanceled.new(message, sql: sql, binds: binds) else super end @@ -800,11 +800,13 @@ module ActiveRecord Arel::Visitors::MySQL.new(self) end - def mismatched_foreign_key(message) - parts = message.scan(/`(\w+)`[ $)]/).flatten + def mismatched_foreign_key(message, sql:, binds:) + parts = sql.scan(/`(\w+)`[ $)]/).flatten MismatchedForeignKey.new( self, message: message, + sql: sql, + binds: binds, table: parts[0], foreign_key: parts[1], target_table: parts[2], diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb index 83c21ba6ea..203087bc36 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/type_map_initializer.rb @@ -36,7 +36,7 @@ module ActiveRecord def query_conditions_for_initial_load known_type_names = @store.keys.map { |n| "'#{n}'" } known_type_types = %w('r' 'e' 'd') - <<-SQL % [known_type_names.join(", "), known_type_types.join(", ")] + <<~SQL % [known_type_names.join(", "), known_type_types.join(", ")] WHERE t.typname IN (%s) OR t.typtype IN (%s) 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 fae3ddbad4..16260fe565 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -68,7 +68,7 @@ module ActiveRecord table = quoted_scope(table_name) index = quoted_scope(index_name) - query_value(<<-SQL, "SCHEMA").to_i > 0 + query_value(<<~SQL, "SCHEMA").to_i > 0 SELECT COUNT(*) FROM pg_class t INNER JOIN pg_index d ON t.oid = d.indrelid @@ -85,7 +85,7 @@ module ActiveRecord def indexes(table_name) # :nodoc: scope = quoted_scope(table_name) - result = query(<<-SQL, "SCHEMA") + result = query(<<~SQL, "SCHEMA") SELECT distinct i.relname, d.indisunique, d.indkey, pg_get_indexdef(d.indexrelid), t.oid, pg_catalog.obj_description(i.oid, 'pg_class') AS comment FROM pg_class t @@ -124,7 +124,7 @@ module ActiveRecord # add info on sort order (only desc order is explicitly specified, asc is the default) # and non-default opclasses - expressions.scan(/(?<column>\w+)\s?(?<opclass>\w+_ops)?\s?(?<desc>DESC)?\s?(?<nulls>NULLS (?:FIRST|LAST))?/).each do |column, opclass, desc, nulls| + expressions.scan(/(?<column>\w+)"?\s?(?<opclass>\w+_ops)?\s?(?<desc>DESC)?\s?(?<nulls>NULLS (?:FIRST|LAST))?/).each do |column, opclass, desc, nulls| opclasses[column] = opclass.to_sym if opclass if nulls orders[column] = [desc, nulls].compact.join(" ") @@ -196,7 +196,7 @@ module ActiveRecord # Returns an array of schema names. def schema_names - query_values(<<-SQL, "SCHEMA") + query_values(<<~SQL, "SCHEMA") SELECT nspname FROM pg_namespace WHERE nspname !~ '^pg_.*' @@ -302,7 +302,7 @@ module ActiveRecord def pk_and_sequence_for(table) #:nodoc: # First try looking for a sequence with a dependency on the # given table's primary key. - result = query(<<-end_sql, "SCHEMA")[0] + result = query(<<~SQL, "SCHEMA")[0] SELECT attr.attname, nsp.nspname, seq.relname FROM pg_class seq, pg_attribute attr, @@ -319,10 +319,10 @@ module ActiveRecord AND cons.contype = 'p' AND dep.classid = 'pg_class'::regclass AND dep.refobjid = #{quote(quote_table_name(table))}::regclass - end_sql + SQL if result.nil? || result.empty? - result = query(<<-end_sql, "SCHEMA")[0] + result = query(<<~SQL, "SCHEMA")[0] SELECT attr.attname, nsp.nspname, CASE WHEN pg_get_expr(def.adbin, def.adrelid) !~* 'nextval' THEN NULL @@ -339,7 +339,7 @@ module ActiveRecord WHERE t.oid = #{quote(quote_table_name(table))}::regclass AND cons.contype = 'p' AND pg_get_expr(def.adbin, def.adrelid) ~* 'nextval|uuid_generate' - end_sql + SQL end pk = result.shift diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index f701292be3..1cef8339f5 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -89,10 +89,11 @@ module ActiveRecord # :singleton-method: # PostgreSQL allows the creation of "unlogged" tables, which do not record # data in the PostgreSQL Write-Ahead Log. This can make the tables faster, - # bug significantly increases the risk of data loss if the database + # but significantly increases the risk of data loss if the database # crashes. As a result, this should not be used in production - # environments. If you would like all created tables to be unlogged you - # can add the following line to your test.rb file: + # environments. If you would like all created tables to be unlogged in + # the test environment you can add the following line to your test.rb + # file: # # ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.create_unlogged_tables = true class_attribute :create_unlogged_tables, default: false @@ -440,28 +441,28 @@ module ActiveRecord LOCK_NOT_AVAILABLE = "55P03" QUERY_CANCELED = "57014" - def translate_exception(exception, message) + def translate_exception(exception, message:, sql:, binds:) return exception unless exception.respond_to?(:result) case exception.result.try(:error_field, PG::PG_DIAG_SQLSTATE) when UNIQUE_VIOLATION - RecordNotUnique.new(message) + RecordNotUnique.new(message, sql: sql, binds: binds) when FOREIGN_KEY_VIOLATION - InvalidForeignKey.new(message) + InvalidForeignKey.new(message, sql: sql, binds: binds) when VALUE_LIMIT_VIOLATION - ValueTooLong.new(message) + ValueTooLong.new(message, sql: sql, binds: binds) when NUMERIC_VALUE_OUT_OF_RANGE - RangeError.new(message) + RangeError.new(message, sql: sql, binds: binds) when NOT_NULL_VIOLATION - NotNullViolation.new(message) + NotNullViolation.new(message, sql: sql, binds: binds) when SERIALIZATION_FAILURE - SerializationFailure.new(message) + SerializationFailure.new(message, sql: sql, binds: binds) when DEADLOCK_DETECTED - Deadlocked.new(message) + Deadlocked.new(message, sql: sql, binds: binds) when LOCK_NOT_AVAILABLE - LockWaitTimeout.new(message) + LockWaitTimeout.new(message, sql: sql, binds: binds) when QUERY_CANCELED - QueryCanceled.new(message) + QueryCanceled.new(message, sql: sql, binds: binds) else super end @@ -589,13 +590,13 @@ module ActiveRecord initializer = OID::TypeMapInitializer.new(type_map) if supports_ranges? - query = <<-SQL + query = <<~SQL SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput, r.rngsubtype, t.typtype, t.typbasetype FROM pg_type as t LEFT JOIN pg_range as r ON oid = rngtypid SQL else - query = <<-SQL + query = <<~SQL SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput, t.typtype, t.typbasetype FROM pg_type as t SQL @@ -641,7 +642,7 @@ module ActiveRecord def exec_cache(sql, name, binds) materialize_transactions - stmt_key = prepare_statement(sql) + stmt_key = prepare_statement(sql, binds) type_casted_binds = type_casted_binds(binds) log(sql, name, binds, type_casted_binds, stmt_key) do @@ -695,7 +696,7 @@ module ActiveRecord # Prepare the statement if it hasn't been prepared, return # the statement key. - def prepare_statement(sql) + def prepare_statement(sql, binds) @lock.synchronize do sql_key = sql_key(sql) unless @statements.key? sql_key @@ -703,7 +704,7 @@ module ActiveRecord begin @connection.prepare nextkey, sql rescue => e - raise translate_exception_class(e, sql) + raise translate_exception_class(e, sql, binds) end # Clear the queue @connection.get_last_result @@ -775,7 +776,7 @@ module ActiveRecord # - format_type includes the column size constraint, e.g. varchar(50) # - ::regclass is a function that gives the id for a table name def column_definitions(table_name) - query(<<-end_sql, "SCHEMA") + query(<<~SQL, "SCHEMA") SELECT a.attname, format_type(a.atttypid, a.atttypmod), pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod, c.collname, col_description(a.attrelid, a.attnum) AS comment @@ -786,7 +787,7 @@ module ActiveRecord WHERE a.attrelid = #{quote(quote_table_name(table_name))}::regclass AND a.attnum > 0 AND NOT a.attisdropped ORDER BY a.attnum - end_sql + SQL end def extract_table_ref_from_insert_sql(sql) @@ -801,7 +802,7 @@ module ActiveRecord def can_perform_case_insensitive_comparison_for?(column) @case_insensitive_cache ||= {} @case_insensitive_cache[column.sql_type] ||= begin - sql = <<-end_sql + sql = <<~SQL SELECT exists( SELECT * FROM pg_proc WHERE proname = 'lower' @@ -813,7 +814,7 @@ module ActiveRecord WHERE proname = 'lower' AND castsource = #{quote column.sql_type}::regtype ) - end_sql + SQL execute_and_clear(sql, "SCHEMA", []) do |result| result.getvalue(0, 0) end @@ -839,7 +840,7 @@ module ActiveRecord "bool" => PG::TextDecoder::Boolean, } known_coder_types = coders_by_name.keys.map { |n| quote(n) } - query = <<-SQL % known_coder_types.join(", ") + query = <<~SQL % known_coder_types.join(", ") SELECT t.oid, t.typname FROM pg_type as t WHERE t.typname IN (%s) 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 48277f0ae2..8650c07bab 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_statements.rb @@ -11,7 +11,7 @@ module ActiveRecord # See https://www.sqlite.org/fileformat2.html#intschema next if row["name"].starts_with?("sqlite_") - index_sql = query_value(<<-SQL, "SCHEMA") + index_sql = query_value(<<~SQL, "SCHEMA") SELECT sql FROM sqlite_master WHERE name = #{quote(row['name'])} AND type = 'index' diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 3312c3de01..b41bf2fc66 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -529,18 +529,18 @@ module ActiveRecord @sqlite_version ||= SQLite3Adapter::Version.new(query_value("SELECT sqlite_version(*)")) end - def translate_exception(exception, message) + def translate_exception(exception, message:, sql:, binds:) case exception.message # SQLite 3.8.2 returns a newly formatted error message: # UNIQUE constraint failed: *table_name*.*column_name* # Older versions of SQLite return: # column *column_name* is not unique when /column(s)? .* (is|are) not unique/, /UNIQUE constraint failed: .*/ - RecordNotUnique.new(message) + RecordNotUnique.new(message, sql: sql, binds: binds) when /.* may not be NULL/, /NOT NULL constraint failed: .*/ - NotNullViolation.new(message) + NotNullViolation.new(message, sql: sql, binds: binds) when /FOREIGN KEY constraint failed/i - InvalidForeignKey.new(message) + InvalidForeignKey.new(message, sql: sql, binds: binds) else super end @@ -550,7 +550,7 @@ module ActiveRecord def table_structure_with_collation(table_name, basic_structure) collation_hash = {} - sql = <<-SQL + sql = <<~SQL SELECT sql FROM (SELECT * FROM sqlite_master UNION ALL SELECT * FROM sqlite_temp_master) diff --git a/activerecord/lib/active_record/connection_handling.rb b/activerecord/lib/active_record/connection_handling.rb index 777cb8a402..3ce9aad5fc 100644 --- a/activerecord/lib/active_record/connection_handling.rb +++ b/activerecord/lib/active_record/connection_handling.rb @@ -107,7 +107,7 @@ module ActiveRecord # end def connected_to(database: nil, role: nil, &blk) if database && role - raise ArgumentError, "connected_to can only accept a database or role argument, but not both arguments." + raise ArgumentError, "connected_to can only accept a `database` or a `role` argument, but not both arguments." elsif database if database.is_a?(Hash) role, database = database.first diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index 50f3087c51..8f4d292a4b 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -129,11 +129,11 @@ module ActiveRecord self.filter_attributes = [] def self.connection_handler - ActiveRecord::RuntimeRegistry.connection_handler || default_connection_handler + Thread.current.thread_variable_get("ar_connection_handler") || default_connection_handler end def self.connection_handler=(handler) - ActiveRecord::RuntimeRegistry.connection_handler = handler + Thread.current.thread_variable_set("ar_connection_handler", handler) end self.default_connection_handler = ConnectionAdapters::ConnectionHandler.new diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index f61bc7b9e8..7e6d4c1d46 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -97,9 +97,13 @@ module ActiveRecord # # Wraps the underlying database error as +cause+. class StatementInvalid < ActiveRecordError - def initialize(message = nil) + def initialize(message = nil, sql: nil, binds: nil) super(message || $!.try(:message)) + @sql = sql + @binds = binds end + + attr_reader :sql, :binds end # Defunct wrapper class kept for compatibility. @@ -118,7 +122,7 @@ 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, table: nil, foreign_key: nil, target_table: nil, primary_key: nil) + def initialize(adapter = nil, message: nil, sql: nil, binds: nil, table: nil, foreign_key: nil, target_table: nil, primary_key: nil) @adapter = adapter if table msg = +<<~EOM @@ -135,7 +139,7 @@ module ActiveRecord if message msg << "\nOriginal message: #{message}" end - super(msg) + super(msg, sql: sql, binds: binds) end private diff --git a/activerecord/lib/active_record/integration.rb b/activerecord/lib/active_record/integration.rb index 456689ec6d..33c4066b89 100644 --- a/activerecord/lib/active_record/integration.rb +++ b/activerecord/lib/active_record/integration.rb @@ -20,7 +20,7 @@ module ActiveRecord # Indicates whether to use a stable #cache_key method that is accompanied # by a changing version in the #cache_version method. # - # This is +false+, by default until Rails 6.0. + # This is +true+, by default on Rails 5.2 and above. class_attribute :cache_versioning, instance_writer: false, default: false end diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 6e5a610642..24782f8748 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -23,7 +23,7 @@ module ActiveRecord # t.string :zipcode # end # - # execute <<-SQL + # execute <<~SQL # ALTER TABLE distributors # ADD CONSTRAINT zipchk # CHECK (char_length(zipcode) = 5) NO INHERIT; @@ -41,7 +41,7 @@ module ActiveRecord # t.string :zipcode # end # - # execute <<-SQL + # execute <<~SQL # ALTER TABLE distributors # ADD CONSTRAINT zipchk # CHECK (char_length(zipcode) = 5) NO INHERIT; @@ -49,7 +49,7 @@ module ActiveRecord # end # # def down - # execute <<-SQL + # execute <<~SQL # ALTER TABLE distributors # DROP CONSTRAINT zipchk # SQL @@ -68,7 +68,7 @@ module ActiveRecord # # reversible do |dir| # dir.up do - # execute <<-SQL + # execute <<~SQL # ALTER TABLE distributors # ADD CONSTRAINT zipchk # CHECK (char_length(zipcode) = 5) NO INHERIT; @@ -76,7 +76,7 @@ module ActiveRecord # end # # dir.down do - # execute <<-SQL + # execute <<~SQL # ALTER TABLE distributors # DROP CONSTRAINT zipchk # SQL diff --git a/activerecord/lib/active_record/query_cache.rb b/activerecord/lib/active_record/query_cache.rb index 28194c7c46..43a21e629e 100644 --- a/activerecord/lib/active_record/query_cache.rb +++ b/activerecord/lib/active_record/query_cache.rb @@ -26,15 +26,22 @@ module ActiveRecord end def self.run - ActiveRecord::Base.connection_handler.connection_pool_list. - reject { |p| p.query_cache_enabled }.each { |p| p.enable_query_cache! } + pools = [] + + ActiveRecord::Base.connection_handlers.each do |key, handler| + pools << handler.connection_pool_list.reject { |p| p.query_cache_enabled }.each { |p| p.enable_query_cache! } + end + + pools.flatten end def self.complete(pools) pools.each { |pool| pool.disable_query_cache! } - ActiveRecord::Base.connection_handler.connection_pool_list.each do |pool| - pool.release_connection if pool.active_connection? && !pool.connection.transaction_open? + ActiveRecord::Base.connection_handlers.each do |_, handler| + handler.connection_pool_list.each do |pool| + pool.release_connection if pool.active_connection? && !pool.connection.transaction_open? + end end end diff --git a/activerecord/lib/active_record/relation/where_clause.rb b/activerecord/lib/active_record/relation/where_clause.rb index a502713e56..e225628bae 100644 --- a/activerecord/lib/active_record/relation/where_clause.rb +++ b/activerecord/lib/active_record/relation/where_clause.rb @@ -125,6 +125,10 @@ module ActiveRecord raise ArgumentError, "Invalid argument for .where.not(), got nil." when Arel::Nodes::In Arel::Nodes::NotIn.new(node.left, node.right) + when Arel::Nodes::IsNotDistinctFrom + Arel::Nodes::IsDistinctFrom.new(node.left, node.right) + when Arel::Nodes::IsDistinctFrom + Arel::Nodes::IsNotDistinctFrom.new(node.left, node.right) when Arel::Nodes::Equality Arel::Nodes::NotEqual.new(node.left, node.right) when String diff --git a/activerecord/lib/arel/nodes/equality.rb b/activerecord/lib/arel/nodes/equality.rb index 2aa85a977e..551d56c2ff 100644 --- a/activerecord/lib/arel/nodes/equality.rb +++ b/activerecord/lib/arel/nodes/equality.rb @@ -7,5 +7,12 @@ module Arel # :nodoc: all alias :operand1 :left alias :operand2 :right end + + %w{ + IsDistinctFrom + IsNotDistinctFrom + }.each do |name| + const_set name, Class.new(Equality) + end end end diff --git a/activerecord/lib/arel/predications.rb b/activerecord/lib/arel/predications.rb index e83a6f162f..77502dd199 100644 --- a/activerecord/lib/arel/predications.rb +++ b/activerecord/lib/arel/predications.rb @@ -18,6 +18,14 @@ module Arel # :nodoc: all Nodes::Equality.new self, quoted_node(other) end + def is_not_distinct_from(other) + Nodes::IsNotDistinctFrom.new self, quoted_node(other) + end + + def is_distinct_from(other) + Nodes::IsDistinctFrom.new self, quoted_node(other) + end + def eq_any(others) grouping_any :eq, others end diff --git a/activerecord/lib/arel/visitors/depth_first.rb b/activerecord/lib/arel/visitors/depth_first.rb index 8f65d303ac..92d309453c 100644 --- a/activerecord/lib/arel/visitors/depth_first.rb +++ b/activerecord/lib/arel/visitors/depth_first.rb @@ -95,6 +95,8 @@ module Arel # :nodoc: all alias :visit_Arel_Nodes_NotEqual :binary alias :visit_Arel_Nodes_NotIn :binary alias :visit_Arel_Nodes_NotRegexp :binary + alias :visit_Arel_Nodes_IsNotDistinctFrom :binary + alias :visit_Arel_Nodes_IsDistinctFrom :binary alias :visit_Arel_Nodes_Or :binary alias :visit_Arel_Nodes_OuterJoin :binary alias :visit_Arel_Nodes_Regexp :binary diff --git a/activerecord/lib/arel/visitors/dot.rb b/activerecord/lib/arel/visitors/dot.rb index 9054f0159b..6389c875cb 100644 --- a/activerecord/lib/arel/visitors/dot.rb +++ b/activerecord/lib/arel/visitors/dot.rb @@ -195,6 +195,8 @@ module Arel # :nodoc: all alias :visit_Arel_Nodes_JoinSource :binary alias :visit_Arel_Nodes_LessThan :binary alias :visit_Arel_Nodes_LessThanOrEqual :binary + alias :visit_Arel_Nodes_IsNotDistinctFrom :binary + alias :visit_Arel_Nodes_IsDistinctFrom :binary alias :visit_Arel_Nodes_Matches :binary alias :visit_Arel_Nodes_NotEqual :binary alias :visit_Arel_Nodes_NotIn :binary diff --git a/activerecord/lib/arel/visitors/ibm_db.rb b/activerecord/lib/arel/visitors/ibm_db.rb index 0a06aef60b..73166054da 100644 --- a/activerecord/lib/arel/visitors/ibm_db.rb +++ b/activerecord/lib/arel/visitors/ibm_db.rb @@ -10,6 +10,12 @@ module Arel # :nodoc: all collector = visit o.expr, collector collector << " ROWS ONLY" end + + def is_distinct_from(o, collector) + collector << "DECODE(" + collector = visit [o.left, o.right, 0, 1], collector + collector << ")" + end end end end diff --git a/activerecord/lib/arel/visitors/mssql.rb b/activerecord/lib/arel/visitors/mssql.rb index d564e19089..fdd864b40d 100644 --- a/activerecord/lib/arel/visitors/mssql.rb +++ b/activerecord/lib/arel/visitors/mssql.rb @@ -12,6 +12,31 @@ module Arel # :nodoc: all private + def visit_Arel_Nodes_IsNotDistinctFrom(o, collector) + right = o.right + + if right.nil? + collector = visit o.left, collector + collector << " IS NULL" + else + collector << "EXISTS (VALUES (" + collector = visit o.left, collector + collector << ") INTERSECT VALUES (" + collector = visit right, collector + collector << "))" + end + end + + def visit_Arel_Nodes_IsDistinctFrom(o, collector) + if o.right.nil? + collector = visit o.left, collector + collector << " IS NOT NULL" + else + collector << "NOT " + visit_Arel_Nodes_IsNotDistinctFrom o, collector + end + 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/mysql.rb b/activerecord/lib/arel/visitors/mysql.rb index 4e7b2456aa..dd77cfdf66 100644 --- a/activerecord/lib/arel/visitors/mysql.rb +++ b/activerecord/lib/arel/visitors/mysql.rb @@ -37,6 +37,17 @@ module Arel # :nodoc: all collector end + def visit_Arel_Nodes_IsNotDistinctFrom(o, collector) + collector = visit o.left, collector + collector << " <=> " + visit o.right, collector + end + + def visit_Arel_Nodes_IsDistinctFrom(o, collector) + collector << "NOT " + visit_Arel_Nodes_IsNotDistinctFrom o, collector + end + # In the simple case, MySQL allows us to place JOINs directly into the UPDATE # query. However, this does not allow for LIMIT, OFFSET and ORDER. To support # these, we must use a subquery. diff --git a/activerecord/lib/arel/visitors/oracle.rb b/activerecord/lib/arel/visitors/oracle.rb index 30a1529d46..f96bf65ee5 100644 --- a/activerecord/lib/arel/visitors/oracle.rb +++ b/activerecord/lib/arel/visitors/oracle.rb @@ -148,6 +148,12 @@ module Arel # :nodoc: all def visit_Arel_Nodes_BindParam(o, collector) collector.add_bind(o.value) { |i| ":a#{i}" } end + + def is_distinct_from(o, collector) + collector << "DECODE(" + collector = visit [o.left, o.right, 0, 1], collector + collector << ")" + end end end end diff --git a/activerecord/lib/arel/visitors/oracle12.rb b/activerecord/lib/arel/visitors/oracle12.rb index 7061f06087..b092aa95e0 100644 --- a/activerecord/lib/arel/visitors/oracle12.rb +++ b/activerecord/lib/arel/visitors/oracle12.rb @@ -56,6 +56,12 @@ module Arel # :nodoc: all def visit_Arel_Nodes_BindParam(o, collector) collector.add_bind(o.value) { |i| ":a#{i}" } end + + def is_distinct_from(o, collector) + collector << "DECODE(" + collector = visit [o.left, o.right, 0, 1], collector + collector << ")" + end end end end diff --git a/activerecord/lib/arel/visitors/postgresql.rb b/activerecord/lib/arel/visitors/postgresql.rb index c5110fa89c..920776b4dc 100644 --- a/activerecord/lib/arel/visitors/postgresql.rb +++ b/activerecord/lib/arel/visitors/postgresql.rb @@ -77,6 +77,18 @@ module Arel # :nodoc: all grouping_parentheses o, collector end + def visit_Arel_Nodes_IsNotDistinctFrom(o, collector) + collector = visit o.left, collector + collector << " IS NOT DISTINCT FROM " + visit o.right, collector + end + + def visit_Arel_Nodes_IsDistinctFrom(o, collector) + collector = visit o.left, collector + collector << " IS DISTINCT FROM " + visit o.right, collector + end + # Used by Lateral visitor to enclose select queries in parentheses def grouping_parentheses(o, collector) if o.expr.is_a? Nodes::SelectStatement diff --git a/activerecord/lib/arel/visitors/sqlite.rb b/activerecord/lib/arel/visitors/sqlite.rb index cb1d2424ad..af6f7e856a 100644 --- a/activerecord/lib/arel/visitors/sqlite.rb +++ b/activerecord/lib/arel/visitors/sqlite.rb @@ -22,6 +22,18 @@ module Arel # :nodoc: all def visit_Arel_Nodes_False(o, collector) collector << "0" end + + def visit_Arel_Nodes_IsNotDistinctFrom(o, collector) + collector = visit o.left, collector + collector << " IS " + visit o.right, collector + end + + def visit_Arel_Nodes_IsDistinctFrom(o, collector) + collector = visit o.left, collector + collector << " IS NOT " + visit o.right, collector + end end end end diff --git a/activerecord/lib/arel/visitors/to_sql.rb b/activerecord/lib/arel/visitors/to_sql.rb index 7efd74dbc9..f9fe4404eb 100644 --- a/activerecord/lib/arel/visitors/to_sql.rb +++ b/activerecord/lib/arel/visitors/to_sql.rb @@ -641,6 +641,26 @@ module Arel # :nodoc: all end end + def visit_Arel_Nodes_IsNotDistinctFrom(o, collector) + if o.right.nil? + collector = visit o.left, collector + collector << " IS NULL" + else + collector = is_distinct_from(o, collector) + collector << " = 0" + end + end + + def visit_Arel_Nodes_IsDistinctFrom(o, collector) + if o.right.nil? + collector = visit o.left, collector + collector << " IS NOT NULL" + else + collector = is_distinct_from(o, collector) + collector << " = 1" + end + end + def visit_Arel_Nodes_NotEqual(o, collector) right = o.right @@ -873,6 +893,19 @@ module Arel # :nodoc: all collector end end + + def is_distinct_from(o, collector) + collector << "CASE WHEN " + collector = visit o.left, collector + collector << " = " + collector = visit o.right, collector + collector << " OR (" + collector = visit o.left, collector + collector << " IS NULL AND " + collector = visit o.right, collector + collector << " IS NULL)" + collector << " THEN 0 ELSE 1 END" + end end end end |