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 | 76 |
1 files changed, 65 insertions, 11 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb index 02c295983f..d90b9283ef 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb @@ -78,6 +78,64 @@ module ActiveRecord end end + class Range < Type + attr_reader :subtype + def initialize(subtype) + @subtype = subtype + end + + def exctract_bounds(value) + from, to = value[1..-2].split(',') + { + from: (value[1] == ',' || from == '-infinity') ? infinity(:negative => true) : from, + to: (value[-2] == ',' || to == 'infinity') ? 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 + end + + def type_cast(value) + return if value.nil? || value == 'empty' + return value if value.is_a?(::Range) + + extracted = exctract_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 + end + + ::Range.new(from, to, extracted[:exclude_end]) + end + end + class Integer < Type def type_cast(value) return if value.nil? @@ -168,14 +226,6 @@ module ActiveRecord end end - class IntRange < Type - def type_cast(value) - return if value.nil? - - ConnectionAdapters::PostgreSQLColumn.string_to_intrange value - end - end - class TypeMap def initialize @mapping = {} @@ -241,6 +291,13 @@ 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' @@ -278,9 +335,6 @@ module ActiveRecord register_type 'json', OID::Json.new register_type 'ltree', OID::Identity.new - register_type 'int4range', OID::IntRange.new - alias_type 'int8range', 'int4range' - register_type 'cidr', OID::Cidr.new alias_type 'inet', 'cidr' end |