diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql/oid.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/oid.rb | 207 |
1 files changed, 136 insertions, 71 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb index fae260a921..9e898015a6 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb @@ -6,6 +6,11 @@ module ActiveRecord module OID class Type def type; end + def simplified_type(sql_type); type end + + def infinity(options = {}) + ::Float::INFINITY * (options[:negative] ? -1 : 1) + end end class Identity < Type @@ -14,9 +19,33 @@ module ActiveRecord end end + class String < Type + def type; :string end + + def type_cast(value) + return if value.nil? + + value.to_s + end + end + + class SpecializedString < OID::String + def type; @type end + + def initialize(type) + @type = type + end + end + + class Text < OID::String + def type; :text end + end + class Bit < Type + def type; :string end + def type_cast(value) - if String === value + if ::String === value ConnectionAdapters::PostgreSQLColumn.string_to_bit value else value @@ -25,6 +54,8 @@ module ActiveRecord end class Bytea < Type + def type; :binary end + def type_cast(value) return if value.nil? PGconn.unescape_bytea value @@ -32,9 +63,11 @@ module ActiveRecord end class Money < Type + def type; :decimal end + def type_cast(value) return if value.nil? - return value unless String === value + return value unless ::String === value # Because money output is formatted according to the locale, there are two # cases to consider (note the decimal separators): @@ -76,8 +109,10 @@ module ActiveRecord end class Point < Type + def type; :string end + def type_cast(value) - if String === value + if ::String === value ConnectionAdapters::PostgreSQLColumn.string_to_point value else value @@ -86,13 +121,15 @@ module ActiveRecord end class Array < Type + def type; @subtype.type end + attr_reader :subtype def initialize(subtype) @subtype = subtype end def type_cast(value) - if String === value + if ::String === value ConnectionAdapters::PostgreSQLColumn.string_to_array value, @subtype else value @@ -102,6 +139,8 @@ module ActiveRecord class Range < Type attr_reader :subtype + def simplified_type(sql_type); sql_type.to_sym end + def initialize(subtype) @subtype = subtype end @@ -109,23 +148,19 @@ module ActiveRecord def extract_bounds(value) from, to = value[1..-2].split(',') { - from: (value[1] == ',' || from == '-infinity') ? infinity(:negative => true) : from, - to: (value[-2] == ',' || to == 'infinity') ? infinity : to, + from: (value[1] == ',' || from == '-infinity') ? @subtype.infinity(negative: true) : from, + to: (value[-2] == ',' || to == 'infinity') ? @subtype.infinity : to, exclude_start: (value[0] == '('), exclude_end: (value[-1] == ')') } end - def infinity(options = {}) - ::Float::INFINITY * (options[:negative] ? -1 : 1) - end - def infinity?(value) value.respond_to?(:infinite?) && value.infinite? end - def to_integer(value) - infinity?(value) ? value : value.to_i + def type_cast_single(value) + infinity?(value) ? value : @subtype.type_cast(value) end def type_cast(value) @@ -133,32 +168,27 @@ module ActiveRecord return value if value.is_a?(::Range) extracted = extract_bounds(value) - - case @subtype - when :date - from = ConnectionAdapters::Column.value_to_date(extracted[:from]) - from -= 1.day if extracted[:exclude_start] - to = ConnectionAdapters::Column.value_to_date(extracted[:to]) - when :decimal - from = BigDecimal.new(extracted[:from].to_s) - # FIXME: add exclude start for ::Range, same for timestamp ranges - to = BigDecimal.new(extracted[:to].to_s) - when :time - from = ConnectionAdapters::Column.string_to_time(extracted[:from]) - to = ConnectionAdapters::Column.string_to_time(extracted[:to]) - when :integer - from = to_integer(extracted[:from]) rescue value ? 1 : 0 - from -= 1 if extracted[:exclude_start] - to = to_integer(extracted[:to]) rescue value ? 1 : 0 - else - return value + from = type_cast_single extracted[:from] + to = type_cast_single extracted[:to] + + if !infinity?(from) && extracted[:exclude_start] + if from.respond_to?(:succ) + from = from.succ + ActiveSupport::Deprecation.warn <<-MESSAGE +Excluding the beginning of a Range is only partialy supported through `#succ`. +This is not reliable and will be removed in the future. + MESSAGE + else + raise ArgumentError, "The Ruby Range object does not support excluding the beginning of a Range. (unsupported value: '#{value}')" + end end - ::Range.new(from, to, extracted[:exclude_end]) end end class Integer < Type + def type; :integer end + def type_cast(value) return if value.nil? @@ -167,6 +197,8 @@ module ActiveRecord end class Boolean < Type + def type; :boolean end + def type_cast(value) return if value.nil? @@ -176,6 +208,14 @@ module ActiveRecord class Timestamp < Type def type; :timestamp; end + def simplified_type(sql_type) + case sql_type + when /^timestamp with(?:out)? time zone$/ + :datetime + else + :timestamp + end + end def type_cast(value) return if value.nil? @@ -187,7 +227,7 @@ module ActiveRecord end class Date < Type - def type; :datetime; end + def type; :date; end def type_cast(value) return if value.nil? @@ -199,6 +239,8 @@ module ActiveRecord end class Time < Type + def type; :time end + def type_cast(value) return if value.nil? @@ -209,6 +251,8 @@ module ActiveRecord end class Float < Type + def type; :float end + def type_cast(value) return if value.nil? @@ -217,14 +261,30 @@ module ActiveRecord end class Decimal < Type + def type; :decimal end + def type_cast(value) return if value.nil? ConnectionAdapters::Column.value_to_decimal value end + + def infinity(options = {}) + BigDecimal.new("Infinity") * (options[:negative] ? -1 : 1) + end + end + + class Enum < Type + def type; :enum end + + def type_cast(value) + value.to_s + end end class Hstore < Type + def type; :hstore end + def type_cast_for_write(value) ConnectionAdapters::PostgreSQLColumn.hstore_to_string value end @@ -241,14 +301,20 @@ module ActiveRecord end class Cidr < Type + def type; :cidr end def type_cast(value) return if value.nil? ConnectionAdapters::PostgreSQLColumn.string_to_cidr value end end + class Inet < Cidr + def type; :inet end + end class Json < Type + def type; :json end + def type_cast_for_write(value) ConnectionAdapters::PostgreSQLColumn.json_to_string value end @@ -264,6 +330,13 @@ module ActiveRecord end end + class Uuid < Type + def type; :uuid end + def type_cast(value) + value.presence + end + end + class TypeMap def initialize @mapping = {} @@ -310,7 +383,7 @@ module ActiveRecord } # Register an OID type named +name+ with a typecasting object in - # +type+. +name+ should correspond to the `typname` column in + # +type+. +name+ should correspond to the `typname` column in # the `pg_type` table. def self.register_type(name, type) NAMES[name] = type @@ -327,54 +400,46 @@ module ActiveRecord end register_type 'int2', OID::Integer.new - alias_type 'int4', 'int2' - alias_type 'int8', 'int2' - alias_type 'oid', 'int2' - - register_type 'daterange', OID::Range.new(:date) - register_type 'numrange', OID::Range.new(:decimal) - register_type 'tsrange', OID::Range.new(:time) - register_type 'int4range', OID::Range.new(:integer) - alias_type 'tstzrange', 'tsrange' - alias_type 'int8range', 'int4range' - + alias_type 'int4', 'int2' + alias_type 'int8', 'int2' + alias_type 'oid', 'int2' register_type 'numeric', OID::Decimal.new - register_type 'text', OID::Identity.new - alias_type 'varchar', 'text' - alias_type 'char', 'text' - alias_type 'bpchar', 'text' - alias_type 'xml', 'text' - - # FIXME: why are we keeping these types as strings? - alias_type 'tsvector', 'text' - alias_type 'interval', 'text' - alias_type 'macaddr', 'text' - alias_type 'uuid', 'text' - - register_type 'money', OID::Money.new - register_type 'bytea', OID::Bytea.new - register_type 'bool', OID::Boolean.new - register_type 'bit', OID::Bit.new - register_type 'varbit', OID::Bit.new - register_type 'float4', OID::Float.new alias_type 'float8', 'float4' - + register_type 'text', OID::Text.new + register_type 'varchar', OID::String.new + alias_type 'char', 'varchar' + alias_type 'bpchar', 'varchar' + register_type 'bool', OID::Boolean.new + register_type 'bit', OID::Bit.new + alias_type 'varbit', 'bit' register_type 'timestamp', OID::Timestamp.new - register_type 'timestamptz', OID::Timestamp.new + alias_type 'timestamptz', 'timestamp' register_type 'date', OID::Date.new register_type 'time', OID::Time.new - register_type 'path', OID::Identity.new + register_type 'money', OID::Money.new + register_type 'bytea', OID::Bytea.new register_type 'point', OID::Point.new - register_type 'polygon', OID::Identity.new - register_type 'circle', OID::Identity.new register_type 'hstore', OID::Hstore.new register_type 'json', OID::Json.new - register_type 'ltree', OID::Identity.new - register_type 'cidr', OID::Cidr.new - alias_type 'inet', 'cidr' + register_type 'inet', OID::Inet.new + register_type 'uuid', OID::Uuid.new + register_type 'xml', SpecializedString.new(:xml) + register_type 'tsvector', SpecializedString.new(:tsvector) + register_type 'macaddr', SpecializedString.new(:macaddr) + register_type 'citext', SpecializedString.new(:citext) + register_type 'ltree', SpecializedString.new(:ltree) + + # FIXME: why are we keeping these types as strings? + alias_type 'interval', 'varchar' + alias_type 'path', 'varchar' + alias_type 'line', 'varchar' + alias_type 'polygon', 'varchar' + alias_type 'circle', 'varchar' + alias_type 'lseg', 'varchar' + alias_type 'box', 'varchar' end end end |