diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract_adapter.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract_adapter.rb | 70 |
1 files changed, 28 insertions, 42 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 6b14a498df..96083e6519 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -74,7 +74,7 @@ module ActiveRecord SIMPLE_INT = /\A\d+\z/ attr_accessor :visitor, :pool - attr_reader :schema_cache, :owner, :logger + attr_reader :schema_cache, :owner, :logger, :prepared_statements alias :in_use? :owner def self.type_cast_config_to_integer(config) @@ -93,8 +93,6 @@ module ActiveRecord end end - attr_reader :prepared_statements - def initialize(connection, logger = nil, config = {}) # :nodoc: super() @@ -107,6 +105,7 @@ module ActiveRecord @schema_cache = SchemaCache.new self @quoted_column_names, @quoted_table_names = {}, {} @visitor = arel_visitor + @lock = Monitor.new if self.class.type_cast_config_to_boolean(config.fetch(:prepared_statements) { true }) @prepared_statements = true @@ -141,32 +140,8 @@ module ActiveRecord end end - def collector - if prepared_statements - SQLString.new - else - BindCollector.new - end - end - - def arel_visitor # :nodoc: - Arel::Visitors::ToSql.new(self) - end - - def valid_type?(type) - false - end - - def schema_creation - SchemaCreation.new self - end - - # Returns an array of +Column+ objects for the table specified by +table_name+. - def columns(table_name) # :nodoc: - table_name = table_name.to_s - column_definitions(table_name).map do |field| - new_column_from_field(table_name, field) - end + def valid_type?(type) # :nodoc: + !native_database_types[type].nil? end # this method must only be called while holding connection pool's mutex @@ -231,10 +206,10 @@ module ActiveRecord self.class::ADAPTER_NAME end - # Does this adapter support migrations? - def supports_migrations? - false + def supports_migrations? # :nodoc: + true end + deprecate :supports_migrations? def supports_primary_key? # :nodoc: true @@ -438,12 +413,15 @@ module ActiveRecord # This is done under the hood by calling #active?. If the connection # is no longer active, then this method will reconnect to the database. def verify!(*ignored) + if ignored.size > 0 + ActiveSupport::Deprecation.warn("Passing arguments to #verify method of the connection has no effect and has been deprecated. Please remove all arguments from the #verify method call.") + end reconnect! unless active? end # Provides access to the underlying database driver for this adapter. For # example, this method returns a Mysql2::Client object in case of Mysql2Adapter, - # and a PGconn object in case of PostgreSQLAdapter. + # and a PG::Connection object in case of PostgreSQLAdapter. # # This is useful for when you need to call a proprietary method such as # PostgreSQL's lo_* methods. @@ -479,14 +457,6 @@ module ActiveRecord end end - def new_column(name, default, sql_type_metadata, null, table_name, default_function = nil, collation = nil) # :nodoc: - Column.new(name, default, sql_type_metadata, null, table_name, default_function, collation) - end - - def lookup_cast_type(sql_type) # :nodoc: - type_map.lookup(sql_type) - end - def column_name_for_operation(operation, node) # :nodoc: visitor.accept(node, collector).value end @@ -605,7 +575,11 @@ module ActiveRecord binds: binds, type_casted_binds: type_casted_binds, statement_name: statement_name, - connection_id: object_id) { yield } + connection_id: object_id) do + @lock.synchronize do + yield + end + end rescue => e raise translate_exception_class(e, sql) end @@ -629,6 +603,18 @@ module ActiveRecord columns(table_name).detect { |c| c.name == column_name } || raise(ActiveRecordError, "No such column: #{table_name}.#{column_name}") end + + def collector + if prepared_statements + SQLString.new + else + BindCollector.new + end + end + + def arel_visitor + Arel::Visitors::ToSql.new(self) + end end end end |