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module Groonga
class Database
def each
context = Context.instance
flags =
TableCursorFlags::ASCENDING |
TableCursorFlags::BY_ID
TableCursor.open(self, :flags => flags) do |cursor|
cursor.each do |id|
object = context[id]
yield(object) if object
end
end
end
def each_table(options={})
context = Context.instance
min = options[:prefix]
flags = 0
if options[:order] == :descending
flags |= TableCursorFlags::DESCENDING
else
flags |= TableCursorFlags::ASCENDING
end
if options[:order_by] == :id
flags |= TableCursorFlags::BY_ID
else
flags |= TableCursorFlags::BY_KEY
end
flags |= TableCursorFlags::PREFIX if min
TableCursor.open(self, :min => min, :flags => flags) do |cursor|
cursor.each do |id|
object = context[id]
yield(object) if object.is_a?(Table)
end
end
end
end
end
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