blob: 478d2cb597300645f4c3e68195c4f28dd69b290e (
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
|
module ActiveRecord
class PredicateBuilder
def initialize(engine)
@engine = engine
end
def build_from_hash(attributes, default_table)
predicates = attributes.map do |column, value|
arel_table = default_table
if value.is_a?(Hash)
arel_table = Arel::Table.new(column, @engine)
build_from_hash(value, arel_table)
else
column = column.to_s
if column.include?('.')
table_name, column = column.split('.', 2)
arel_table = Arel::Table.new(table_name, @engine)
end
attribute = Arel::Attribute.new(arel_table, column.to_sym)
case value
when Array, Range, ActiveRecord::Associations::AssociationCollection, ActiveRecord::NamedScope::Scope
attribute.in(value)
else
attribute.eq(value)
end
end
end
predicates.flatten
end
end
end
|