diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/oid.rb | 60 | ||||
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 28 |
2 files changed, 48 insertions, 40 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..6f9b60b6c4 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb @@ -6,6 +6,10 @@ module ActiveRecord module OID class Type def type; end + + def infinity(options = {}) + ::Float::INFINITY * (options[:negative] ? -1 : 1) + end end class Identity < Type @@ -109,23 +113,19 @@ 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) @@ -133,27 +133,20 @@ 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 @@ -222,6 +215,10 @@ module ActiveRecord ConnectionAdapters::Column.value_to_decimal value end + + def infinity(options = {}) + BigDecimal.new("Infinity") * (options[:negative] ? -1 : 1) + end end class Hstore < Type @@ -331,13 +328,6 @@ module ActiveRecord 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' - register_type 'numeric', OID::Decimal.new register_type 'text', OID::Identity.new alias_type 'varchar', 'text' diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 36c7462419..d1fb132b60 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -785,18 +785,29 @@ module ActiveRecord end def initialize_type_map(type_map) - result = execute('SELECT oid, typname, typelem, typdelim, typinput FROM pg_type', 'SCHEMA') - leaves, nodes = result.partition { |row| row['typelem'] == '0' } + if supports_ranges? + result = execute(<<-SQL, 'SCHEMA') + SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput, r.rngsubtype + FROM pg_type as t + LEFT JOIN pg_range as r ON oid = rngtypid + SQL + else + result = execute(<<-SQL, 'SCHEMA') + SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput + FROM pg_type as t + SQL + end + ranges, nodes = result.partition { |row| row['typinput'] == 'range_in' } + leaves, nodes = nodes.partition { |row| row['typelem'] == '0' } + arrays, nodes = nodes.partition { |row| row['typinput'] == 'array_in' } - # populate the leaf nodes + # populate the base types leaves.find_all { |row| OID.registered_type? row['typname'] }.each do |row| type_map[row['oid'].to_i] = OID::NAMES[row['typname']] end records_by_oid = result.group_by { |row| row['oid'] } - arrays, nodes = nodes.partition { |row| row['typinput'] == 'array_in' } - # populate composite types nodes.each do |row| add_oid row, records_by_oid, type_map @@ -807,6 +818,13 @@ module ActiveRecord array = OID::Array.new type_map[row['typelem'].to_i] type_map[row['oid'].to_i] = array end + + # populate range types + ranges.find_all { |row| type_map.key? row['rngsubtype'].to_i }.each do |row| + subtype = type_map[row['rngsubtype'].to_i] + range = OID::Range.new type_map[row['rngsubtype'].to_i] + type_map[row['oid'].to_i] = range + end end FEATURE_NOT_SUPPORTED = "0A000" #:nodoc: |