/usr/lib/ruby/vendor_ruby/sequel/extensions/round_timestamps.rb is in ruby-sequel 4.15.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | # The round_timestamps extension will automatically round timestamp
# values to the database's supported level of precision before literalizing
# them.
#
# For example, if the database supports microsecond precision, and you give
# it a Time value with greater than microsecond precision, it will round it
# appropriately:
#
# Time.at(1405341161.917999982833862)
# # default: 2014-07-14 14:32:41.917999
# # with extension: 2014-07-14 14:32:41.918000
#
# The round_timestamps extension correctly deals with databases that support
# millisecond or second precision. In addition to handling Time values, it
# also handles DateTime values and Sequel::SQLTime values (for the TIME type).
#
# To round timestamps for a single dataset:
#
# ds = ds.extension(:round_timestamps)
#
# To round timestamps for all datasets on a single database:
#
# DB.extension(:round_timestamps)
unless RUBY_VERSION >= '1.9'
# :nocov:
raise LoadError, 'the round_timestamps extension only works on ruby 1.9+'
# :nocov:
end
module Sequel
class Dataset
module RoundTimestamps
# Round DateTime values before literalizing
def literal_datetime(v)
super(v + Rational(5, 10**timestamp_precision)/864000)
end
# Round Sequel::SQLTime values before literalizing
def literal_sqltime(v)
super(v.round(timestamp_precision))
end
# Round Time values before literalizing
def literal_time(v)
super(v.round(timestamp_precision))
end
end
register_extension(:round_timestamps, RoundTimestamps)
end
end
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