diff options
Diffstat (limited to 'activerecord')
5 files changed, 81 insertions, 2 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 7cae105ddb..f73e27b91f 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,23 @@ +* PostgreSQL `tsrange` now preserves subsecond precision + + PostgreSQL 9.1+ introduced range types, and Rails added support for using + this datatype in ActiveRecord. However, the serialization of + PostgreSQL::OID::Range was incomplete, because it did not properly + cast the bounds that make up the range. This led to subseconds being + dropped in SQL commands: + + (byebug) from = type_cast_single_for_database(range.first) + 2010-01-01 13:30:00 UTC + + (byebug) to = type_cast_single_for_database(range.last) + 2011-02-02 19:30:00 UTC + + (byebug) "[#{from},#{to}#{value.exclude_end? ? ')' : ']'}" + "[2010-01-01 13:30:00 UTC,2011-02-02 19:30:00 UTC)" + + (byebug) "[#{type_cast(from)},#{type_cast(to)}#{value.exclude_end? ? ')' : ']'}" + "['2010-01-01 13:30:00.670277','2011-02-02 19:30:00.745125')" + * Passing a `Set` to `Relation#where` now behaves the same as passing an array. diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb index 7d5d7d91e6..a89aa5ea09 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb @@ -35,7 +35,7 @@ module ActiveRecord if value.is_a?(::Range) from = type_cast_single_for_database(value.begin) to = type_cast_single_for_database(value.end) - "[#{from},#{to}#{value.exclude_end? ? ')' : ']'}" + ::Range.new(from, to, value.exclude_end?) else super end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index a0a22ba0f1..9fdeab06c1 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -101,6 +101,8 @@ module ActiveRecord end when OID::Array::Data _quote(encode_array(value)) + when Range + _quote(encode_range(value)) else super end @@ -117,6 +119,8 @@ module ActiveRecord value.to_s when OID::Array::Data encode_array(value) + when Range + encode_range(value) else super end @@ -133,6 +137,10 @@ module ActiveRecord result end + def encode_range(range) + "[#{type_cast(range.first)},#{type_cast(range.last)}#{range.exclude_end? ? ')' : ']'}" + end + def determine_encoding_of_strings_in_array(value) case value when ::Array then determine_encoding_of_strings_in_array(value.first) diff --git a/activerecord/test/cases/adapters/postgresql/range_test.rb b/activerecord/test/cases/adapters/postgresql/range_test.rb index b4a776d04d..a75fdef698 100644 --- a/activerecord/test/cases/adapters/postgresql/range_test.rb +++ b/activerecord/test/cases/adapters/postgresql/range_test.rb @@ -232,6 +232,57 @@ _SQL end end + def test_create_tstzrange_preserve_usec + tstzrange = Time.parse("2010-01-01 14:30:00.670277 +0100")...Time.parse("2011-02-02 14:30:00.745125 CDT") + round_trip(@new_range, :tstz_range, tstzrange) + assert_equal @new_range.tstz_range, tstzrange + assert_equal @new_range.tstz_range, Time.parse("2010-01-01 13:30:00.670277 UTC")...Time.parse("2011-02-02 19:30:00.745125 UTC") + end + + def test_update_tstzrange_preserve_usec + assert_equal_round_trip(@first_range, :tstz_range, + Time.parse("2010-01-01 14:30:00.245124 CDT")...Time.parse("2011-02-02 14:30:00.451274 CET")) + assert_nil_round_trip(@first_range, :tstz_range, + Time.parse("2010-01-01 14:30:00.245124 +0100")...Time.parse("2010-01-01 13:30:00.245124 +0000")) + end + + def test_create_tsrange_preseve_usec + tz = ::ActiveRecord::Base.default_timezone + assert_equal_round_trip(@new_range, :ts_range, + Time.send(tz, 2010, 1, 1, 14, 30, 0, 125435)...Time.send(tz, 2011, 2, 2, 14, 30, 0, 225435)) + end + + def test_update_tsrange_preserve_usec + tz = ::ActiveRecord::Base.default_timezone + assert_equal_round_trip(@first_range, :ts_range, + Time.send(tz, 2010, 1, 1, 14, 30, 0, 142432)...Time.send(tz, 2011, 2, 2, 14, 30, 0, 224242)) + assert_nil_round_trip(@first_range, :ts_range, + Time.send(tz, 2010, 1, 1, 14, 30, 0, 142432)...Time.send(tz, 2010, 1, 1, 14, 30, 0, 142432)) + end + + def test_timezone_awareness_tsrange_preserve_usec + tz = "Pacific Time (US & Canada)" + + in_time_zone tz do + PostgresqlRange.reset_column_information + time_string = "2017-09-26 07:30:59.132451 -0700" + time = Time.zone.parse(time_string) + assert time.usec > 0 + + record = PostgresqlRange.new(ts_range: time_string..time_string) + assert_equal time..time, record.ts_range + assert_equal ActiveSupport::TimeZone[tz], record.ts_range.begin.time_zone + assert_equal time.usec, record.ts_range.begin.usec + + record.save! + record.reload + + assert_equal time..time, record.ts_range + assert_equal ActiveSupport::TimeZone[tz], record.ts_range.begin.time_zone + assert_equal time.usec, record.ts_range.begin.usec + end + end + def test_create_numrange assert_equal_round_trip(@new_range, :num_range, BigDecimal.new("0.5")...BigDecimal.new("1")) diff --git a/activerecord/test/cases/adapters/postgresql/type_lookup_test.rb b/activerecord/test/cases/adapters/postgresql/type_lookup_test.rb index 449023b6eb..8212ed4263 100644 --- a/activerecord/test/cases/adapters/postgresql/type_lookup_test.rb +++ b/activerecord/test/cases/adapters/postgresql/type_lookup_test.rb @@ -30,6 +30,6 @@ class PostgresqlTypeLookupTest < ActiveRecord::PostgreSQLTestCase big_range = 0..123456789123456789 assert_raises(ActiveModel::RangeError) { int_range.serialize(big_range) } - assert_equal "[0,123456789123456789]", bigint_range.serialize(big_range) + assert_equal "[0,123456789123456789]", @connection.type_cast(bigint_range.serialize(big_range)) end end |