diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/oid/date.rb | 3 | ||||
| -rw-r--r-- | activerecord/test/cases/adapters/postgresql/date_test.rb | 18 |
2 files changed, 21 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/date.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/date.rb index 4f010e0bf8..24a1daa95a 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/date.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/date.rb @@ -9,6 +9,9 @@ module ActiveRecord case value when "infinity" then ::Float::INFINITY when "-infinity" then -::Float::INFINITY + when / BC$/ + astronomical_year = format("%04d", -value[/^\d+/].to_i + 1) + super(value.sub(/ BC$/, "").sub(/^\d+/, astronomical_year)) else super end diff --git a/activerecord/test/cases/adapters/postgresql/date_test.rb b/activerecord/test/cases/adapters/postgresql/date_test.rb index 1562acdcc3..a86abac2be 100644 --- a/activerecord/test/cases/adapters/postgresql/date_test.rb +++ b/activerecord/test/cases/adapters/postgresql/date_test.rb @@ -21,4 +21,22 @@ class PostgresqlDateTest < ActiveRecord::PostgreSQLTestCase topic = Topic.create!(last_read: -1.0 / 0.0) assert_equal(-1.0 / 0.0, topic.last_read) end + + def test_bc_date + date = Date.new(0) - 1.week + topic = Topic.create!(last_read: date) + assert_equal date, Topic.find(topic.id).last_read + end + + def test_bc_date_leap_year + date = Time.utc(-4, 2, 29).to_date + topic = Topic.create!(last_read: date) + assert_equal date, Topic.find(topic.id).last_read + end + + def test_bc_date_year_zero + date = Time.utc(0, 4, 7).to_date + topic = Topic.create!(last_read: date) + assert_equal date, Topic.find(topic.id).last_read + end end |