blob: 3b56ddb996d584c286fe3107f46755be1e503860 (
plain)
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
57
|
# frozen_string_literal: true
module Gitlab
module Graphql
module Connections
module Keyset
module Conditions
class NotNullCondition < BaseCondition
def build
conditions = [first_attribute_condition]
# If there is only one order field, we can assume it
# does not contain NULLs, and don't need additional
# conditions
unless names.count == 1
conditions << [second_attribute_condition, final_condition]
end
conditions.join
end
private
# ex: "(relative_position > 23)"
def first_attribute_condition
<<~SQL
(#{table_condition(names.first, values.first, operator.first).to_sql})
SQL
end
# ex: " OR (relative_position = 23 AND id > 500)"
def second_attribute_condition
condition = <<~SQL
OR (
#{table_condition(names.first, values.first, '=').to_sql}
AND
#{table_condition(names[1], values[1], operator[1]).to_sql}
)
SQL
condition
end
# ex: " OR (relative_position IS NULL)"
def final_condition
if before_or_after == :after
<<~SQL
OR (#{table_condition(names.first, nil, 'is_null').to_sql})
SQL
end
end
end
end
end
end
end
end
|
