diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 90 |
1 files changed, 42 insertions, 48 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 7ab35cfb76..61c9628de3 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -5,6 +5,7 @@ require 'pg' require "active_record/connection_adapters/abstract_adapter" require "active_record/connection_adapters/postgresql/column" require "active_record/connection_adapters/postgresql/database_statements" +require "active_record/connection_adapters/postgresql/explain_pretty_printer" require "active_record/connection_adapters/postgresql/oid" require "active_record/connection_adapters/postgresql/quoting" require "active_record/connection_adapters/postgresql/referential_integrity" @@ -72,7 +73,6 @@ module ActiveRecord NATIVE_DATABASE_TYPES = { primary_key: "serial primary key", - bigserial: "bigserial", string: { name: "character varying" }, text: { name: "text" }, integer: { name: "integer" }, @@ -89,7 +89,6 @@ module ActiveRecord int8range: { name: "int8range" }, binary: { name: "bytea" }, boolean: { name: "boolean" }, - bigint: { name: "bigint" }, xml: { name: "xml" }, tsvector: { name: "tsvector" }, hstore: { name: "hstore" }, @@ -102,6 +101,12 @@ module ActiveRecord ltree: { name: "ltree" }, citext: { name: "citext" }, point: { name: "point" }, + line: { name: "line" }, + lseg: { name: "lseg" }, + box: { name: "box" }, + path: { name: "path" }, + polygon: { name: "polygon" }, + circle: { name: "circle" }, bit: { name: "bit" }, bit_varying: { name: "bit varying" }, money: { name: "money" }, @@ -188,7 +193,7 @@ module ActiveRecord # Initializes and connects a PostgreSQL adapter. def initialize(connection, logger, connection_parameters, config) - super(connection, logger) + super(connection, logger, config) @visitor = Arel::Visitors::PostgreSQL.new self if self.class.type_cast_config_to_boolean(config.fetch(:prepared_statements) { true }) @@ -198,7 +203,7 @@ module ActiveRecord @prepared_statements = false end - @connection_parameters, @config = connection_parameters, config + @connection_parameters = connection_parameters # @local_tz is initialized as nil to avoid warnings when connect tries to use it @local_tz = nil @@ -209,8 +214,8 @@ module ActiveRecord @statements = StatementPool.new @connection, self.class.type_cast_config_to_integer(config.fetch(:statement_limit) { 1000 }) - if postgresql_version < 80200 - raise "Your version of PostgreSQL (#{postgresql_version}) is too old, please upgrade!" + if postgresql_version < 90100 + raise "Your version of PostgreSQL (#{postgresql_version}) is too old. Active Record supports PostgreSQL >= 9.1." end add_pg_decoders @@ -292,9 +297,8 @@ module ActiveRecord true end - # Returns true if pg > 9.1 def supports_extensions? - postgresql_version >= 90100 + true end # Range datatypes weren't introduced until PostgreSQL 9.2 @@ -306,18 +310,18 @@ module ActiveRecord postgresql_version >= 90300 end - def get_advisory_lock(key) # :nodoc: - unless key.is_a?(Integer) && key.bit_length <= 63 - raise(ArgumentError, "Postgres requires advisory lock keys to be a signed 64 bit integer") + 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") end - select_value("SELECT pg_try_advisory_lock(#{key});") + select_value("SELECT pg_try_advisory_lock(#{lock_id});") end - def release_advisory_lock(key) # :nodoc: - unless key.is_a?(Integer) && key.bit_length <= 63 - raise(ArgumentError, "Postgres requires advisory lock keys to be a signed 64 bit integer") + def release_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") end - select_value("SELECT pg_advisory_unlock(#{key})") + select_value("SELECT pg_advisory_unlock(#{lock_id})") end def enable_extension(name) @@ -386,12 +390,12 @@ module ActiveRecord "average" => "avg", } - protected + # Returns the version of the connected PostgreSQL server. + def postgresql_version + @connection.server_version + end - # Returns the version of the connected PostgreSQL server. - def postgresql_version - @connection.server_version - end + protected # See http://www.postgresql.org/docs/current/static/errcodes-appendix.html FOREIGN_KEY_VIOLATION = "23503" @@ -457,15 +461,15 @@ module ActiveRecord m.register_type 'macaddr', OID::SpecializedString.new(:macaddr) m.register_type 'citext', OID::SpecializedString.new(:citext) m.register_type 'ltree', OID::SpecializedString.new(:ltree) + m.register_type 'line', OID::SpecializedString.new(:line) + m.register_type 'lseg', OID::SpecializedString.new(:lseg) + m.register_type 'box', OID::SpecializedString.new(:box) + m.register_type 'path', OID::SpecializedString.new(:path) + m.register_type 'polygon', OID::SpecializedString.new(:polygon) + m.register_type 'circle', OID::SpecializedString.new(:circle) # FIXME: why are we keeping these types as strings? m.alias_type 'interval', 'varchar' - m.alias_type 'path', 'varchar' - m.alias_type 'line', 'varchar' - m.alias_type 'polygon', 'varchar' - m.alias_type 'circle', 'varchar' - m.alias_type 'lseg', 'varchar' - m.alias_type 'box', 'varchar' register_class_with_precision m, 'time', Type::Time register_class_with_precision m, 'timestamp', OID::DateTime @@ -508,8 +512,13 @@ module ActiveRecord def extract_value_from_default(default) # :nodoc: case default # Quoted types - when /\A[\(B]?'(.*)'::/m - $1.gsub("''".freeze, "'".freeze) + when /\A[\(B]?'(.*)'.*::"?([\w. ]+)"?(?:\[\])?\z/m + # The default 'now'::date is CURRENT_DATE + if $1 == "now".freeze && $2 == "date".freeze + nil + else + $1.gsub("''".freeze, "'".freeze) + end # Boolean types when 'true'.freeze, 'false'.freeze default @@ -531,7 +540,7 @@ module ActiveRecord end def has_default_function?(default_value, default) # :nodoc: - !default_value && (%r{\w+\(.*\)} === default) + !default_value && (%r{\w+\(.*\)|\(.*\)::\w+} === default) end def load_additional_types(type_map, oids = nil) # :nodoc: @@ -652,12 +661,6 @@ module ActiveRecord # connected server's characteristics. def connect @connection = PGconn.connect(@connection_parameters) - - # Money type has a fixed precision of 10 in PostgreSQL 8.2 and below, and as of - # PostgreSQL 8.3 it has a fixed precision of 19. PostgreSQLColumn.extract_precision - # should know about this but can't detect it there, so deal with it here. - OID::Money.precision = (postgresql_version >= 80300) ? 19 : 10 - configure_connection rescue ::PG::Error => error if error.message.include?("does not exist") @@ -702,15 +705,7 @@ module ActiveRecord end # Returns the current ID of a table's sequence. - def last_insert_id(sequence_name) #:nodoc: - Integer(last_insert_id_value(sequence_name)) - end - - def last_insert_id_value(sequence_name) - last_insert_id_result(sequence_name).rows.first.first - end - - def last_insert_id_result(sequence_name) #:nodoc: + def last_insert_id_result(sequence_name) # :nodoc: exec_query("SELECT currval('#{sequence_name}')", 'SQL') end @@ -752,7 +747,7 @@ module ActiveRecord end def create_table_definition(name, temporary = false, options = nil, as = nil) # :nodoc: - PostgreSQL::TableDefinition.new native_database_types, name, temporary, options, as + PostgreSQL::TableDefinition.new(name, temporary, options, as) end def can_perform_case_insensitive_comparison_for?(column) @@ -828,9 +823,8 @@ module ActiveRecord ActiveRecord::Type.register(:json, OID::Json, adapter: :postgresql) ActiveRecord::Type.register(:jsonb, OID::Jsonb, adapter: :postgresql) ActiveRecord::Type.register(:money, OID::Money, adapter: :postgresql) - ActiveRecord::Type.register(:point, OID::Point, adapter: :postgresql) + ActiveRecord::Type.register(:point, OID::Rails51Point, adapter: :postgresql) ActiveRecord::Type.register(:legacy_point, OID::Point, adapter: :postgresql) - ActiveRecord::Type.register(:rails_5_1_point, OID::Rails51Point, adapter: :postgresql) ActiveRecord::Type.register(:uuid, OID::Uuid, adapter: :postgresql) ActiveRecord::Type.register(:vector, OID::Vector, adapter: :postgresql) ActiveRecord::Type.register(:xml, OID::Xml, adapter: :postgresql) |