module Sequel::Postgres::ExtendedDateSupport::DatasetMethods
Private Instance Methods
literal_date(date)
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Handle BC Date objects.
Calls superclass method
# File lib/sequel/extensions/pg_extended_date_support.rb, line 190 def literal_date(date) if date.year < 1 date <<= ((date.year) * 24 - 12) date.strftime("'%Y-%m-%d BC'") else super end end
literal_datetime(date)
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Handle BC DateTime objects.
Calls superclass method
# File lib/sequel/extensions/pg_extended_date_support.rb, line 200 def literal_datetime(date) if date < DATETIME_YEAR_1 date <<= ((date.year) * 24 - 12) date = db.from_application_timestamp(date) minutes = (date.offset * 1440).to_i date.strftime("'%Y-%m-%d %H:%M:%S.%6N#{sprintf("%+03i%02i", *minutes.divmod(60))} BC'") else super end end
literal_other_append(sql, v)
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Handle Date::Infinity values
Calls superclass method
# File lib/sequel/extensions/pg_extended_date_support.rb, line 212 def literal_other_append(sql, v) if v.is_a?(Date::Infinity) sql << (v > 0 ? "'infinity'" : "'-infinity'") else super end end
literal_time(time)
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Work around JRuby bug #4822 in Time#to_datetime for times before date of calendar reform
Calls superclass method
# File lib/sequel/extensions/pg_extended_date_support.rb, line 236 def literal_time(time) if time < TIME_YEAR_1 literal_datetime(DateTime.parse(super)) else super end end
type_convertor(map, meta, type, i)
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Use non-JDBC parsing as JDBC parsing doesn't work for BC dates/timestamps.
Calls superclass method
# File lib/sequel/extensions/pg_extended_date_support.rb, line 226 def type_convertor(map, meta, type, i) case type when *CONVERT_TYPES db.oid_convertor_proc(meta.getField(i).getOID) else super end end