58 lines
1.7 KiB
Ruby
58 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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# ActiveRecord custom data type for storing datetimes with timezone information.
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# See https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/11229
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require 'active_record/connection_adapters/postgresql_adapter'
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module ActiveRecord::ConnectionAdapters::PostgreSQL::OID
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# Add the class `DateTimeWithTimeZone` so we can map `timestamptz` to it.
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class DateTimeWithTimeZone < DateTime
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def type
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:datetime_with_timezone
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end
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end
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end
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module RegisterDateTimeWithTimeZone
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# Run original `initialize_type_map` and then register `timestamptz` as a
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# `DateTimeWithTimeZone`.
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#
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# Apparently it does not matter that the original `initialize_type_map`
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# aliases `timestamptz` to `timestamp`.
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#
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# When schema dumping, `timestamptz` columns will be output as
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# `t.datetime_with_timezone`.
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def initialize_type_map(mapping = type_map)
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super mapping
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register_class_with_precision(
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mapping,
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'timestamptz',
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ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::OID::DateTimeWithTimeZone
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)
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end
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end
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class ActiveRecord::ConnectionAdapters::PostgreSQLAdapter
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prepend RegisterDateTimeWithTimeZone
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# Add column type `datetime_with_timezone` so we can do this in
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# migrations:
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#
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# add_column(:users, :datetime_with_timezone)
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#
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NATIVE_DATABASE_TYPES[:datetime_with_timezone] = { name: 'timestamptz' }
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end
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def connection_active?
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ActiveRecord::Base.connection.active? # rubocop:disable Database/MultipleDatabases
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rescue StandardError
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false
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end
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# Ensure `datetime_with_timezone` columns are correctly written to schema.rb
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ActiveRecord::Base.connection.send(:reload_type_map) if connection_active?
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ActiveRecord::Base.time_zone_aware_types += [:datetime_with_timezone]
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