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-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/oid/float.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/float.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/float.rb
index 26c5d3d78f..78ef94b912 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/float.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/float.rb
@@ -7,6 +7,7 @@ module ActiveRecord
def cast_value(value)
case value
+ when ::Float then value
when 'Infinity' then ::Float::INFINITY
when '-Infinity' then -::Float::INFINITY
when 'NaN' then ::Float::NAN