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-rw-r--r--lib/arel/primitives/value.rb27
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/arel/primitives/value.rb b/lib/arel/primitives/value.rb
new file mode 100644
index 0000000000..650557559a
--- /dev/null
+++ b/lib/arel/primitives/value.rb
@@ -0,0 +1,27 @@
+module Arel
+ class Value
+ attr_reader :value, :relation
+
+ delegate :inclusion_predicate_sql, :equality_predicate_sql, :to => :value
+
+ def initialize(value, relation)
+ @value, @relation = value, relation
+ end
+
+ def to_sql(formatter = Sql::WhereCondition.new(relation.engine))
+ formatter.value value
+ end
+
+ def format(object)
+ object.to_sql(Sql::Value.new(relation.engine))
+ end
+
+ def ==(other)
+ value == other.value
+ end
+
+ def bind(relation)
+ Value.new(value, relation)
+ end
+ end
+end \ No newline at end of file