blob: c2262c159903e84a4860f4f5b9ce11bcf381d3ad (
plain) (
blame)
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
53
54
55
56
|
module ActiveRecord
module ConnectionAdapters
module PostgreSQL
module OID # :nodoc:
class Range < Type::Value
attr_reader :subtype, :type
def initialize(subtype, type)
@subtype = subtype
@type = type
end
def extract_bounds(value)
from, to = value[1..-2].split(',')
{
from: (value[1] == ',' || from == '-infinity') ? @subtype.infinity(negative: true) : from,
to: (value[-2] == ',' || to == 'infinity') ? @subtype.infinity : to,
exclude_start: (value[0] == '('),
exclude_end: (value[-1] == ')')
}
end
def infinity?(value)
value.respond_to?(:infinite?) && value.infinite?
end
def type_cast_single(value)
infinity?(value) ? value : @subtype.type_cast(value)
end
def cast_value(value)
return if value == 'empty'
return value if value.is_a?(::Range)
extracted = extract_bounds(value)
from = type_cast_single extracted[:from]
to = type_cast_single extracted[:to]
if !infinity?(from) && extracted[:exclude_start]
if from.respond_to?(:succ)
from = from.succ
ActiveSupport::Deprecation.warn <<-MESSAGE
Excluding the beginning of a Range is only partialy supported through `#succ`.
This is not reliable and will be removed in the future.
MESSAGE
else
raise ArgumentError, "The Ruby Range object does not support excluding the beginning of a Range. (unsupported value: '#{value}')"
end
end
::Range.new(from, to, extracted[:exclude_end])
end
end
end
end
end
end
|
