diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql')
4 files changed, 80 insertions, 59 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb index f7d734a2f1..3d8f0b575c 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb @@ -62,6 +62,12 @@ module ActiveRecord "{#{casted_values.join(',')}}" end + def range_to_string(object) + from = object.begin.respond_to?(:infinite?) && object.begin.infinite? ? '' : object.begin + to = object.end.respond_to?(:infinite?) && object.end.infinite? ? '' : object.end + "[#{from},#{to}#{object.exclude_end? ? ')' : ']'}" + end + def string_to_json(string) if String === string ActiveSupport::JSON.decode(string) @@ -92,36 +98,6 @@ module ActiveRecord parse_pg_array(string).map{|val| oid.type_cast val} end - def string_to_intrange(string) - if string.nil? - nil - elsif "empty" == string - (nil..nil) - elsif String === string && (matches = /^(\(|\[)([0-9]+),(\s?)([0-9]+)(\)|\])$/i.match(string)) - lower_bound = ("(" == matches[1] ? (matches[2].to_i + 1) : matches[2].to_i) - upper_bound = (")" == matches[5] ? (matches[4].to_i - 1) : matches[4].to_i) - (lower_bound..upper_bound) - else - string - end - end - - def intrange_to_string(object) - if object.nil? - nil - elsif Range === object - if [object.first, object.last].all? { |el| Integer === el } - "[#{object.first.to_i},#{object.exclude_end? ? object.last.to_i : object.last.to_i + 1})" - elsif [object.first, object.last].all? { |el| NilClass === el } - "empty" - else - nil - end - else - object - end - end - private HstorePair = begin 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 diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index c2fcef94da..791b032023 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -19,6 +19,12 @@ module ActiveRecord return super unless column case value + when Range + if /range$/ =~ column.sql_type + "'#{PostgreSQLColumn.range_to_string(value)}'::#{column.sql_type}" + else + super + end when Array if column.array "'#{PostgreSQLColumn.array_to_string(value, column, self)}'" @@ -31,11 +37,6 @@ module ActiveRecord when 'json' then super(PostgreSQLColumn.json_to_string(value), column) else super end - when Range - case column.sql_type - when 'int4range', 'int8range' then super(PostgreSQLColumn.intrange_to_string(value), column) - else super - end when IPAddr case column.sql_type when 'inet', 'cidr' then super(PostgreSQLColumn.cidr_to_string(value), column) @@ -74,6 +75,9 @@ module ActiveRecord return super(value, column) unless column case value + when Range + return super(value, column) unless /range$/ =~ column.sql_type + PostgreSQLColumn.range_to_string(value) when NilClass if column.array && array_member 'NULL' @@ -94,11 +98,6 @@ module ActiveRecord when 'json' then PostgreSQLColumn.json_to_string(value) else super(value, column) end - when Range - case column.sql_type - when 'int4range', 'int8range' then PostgreSQLColumn.intrange_to_string(value) - else super(value, column) - end when IPAddr return super(value, column) unless ['inet','cidr'].include? column.sql_type PostgreSQLColumn.cidr_to_string(value) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 8c68576bdc..73ca2c8e61 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -417,14 +417,6 @@ module ActiveRecord when 0..6; "timestamp(#{precision})" else raise(ActiveRecordError, "No timestamp type has precision of #{precision}. The allowed range of precision is from 0 to 6") end - when 'intrange' - return 'int4range' unless limit - - case limit - when 1..4; 'int4range' - when 5..8; 'int8range' - else raise(ActiveRecordError, "No range type has byte size #{limit}. Use a numeric with precision 0 instead.") - end else super end |