Fix `create_with` using both string and symbol

This is related with #27680.

Since `where_values_hash` keys constructed by `where` are string, so we
need `stringify_keys` to `create_with_value` before merging it.

2 files changed, 3 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb
index 79495ead91..9d6db3dc64 100644
--- a/activerecord/lib/active_record/relation/query_methods.rb
+++ b/activerecord/lib/active_record/relation/query_methods.rb
@@ -797,7 +797,7 @@ module ActiveRecord
         value = sanitize_forbidden_attributes(value)
         self.create_with_value = create_with_value.merge(value)
       else
-        self.create_with_value = {}
+        self.create_with_value = FROZEN_EMPTY_HASH
       end
 
       self
diff --git a/activerecord/lib/active_record/relation/where_clause.rb b/activerecord/lib/active_record/relation/where_clause.rb
index 119910ee79..0feb2c6cb2 100644
--- a/activerecord/lib/active_record/relation/where_clause.rb
+++ b/activerecord/lib/active_record/relation/where_clause.rb
@@ -52,8 +52,8 @@ module ActiveRecord
         binds = self.binds.map { |attr| [attr.name, attr.value] }.to_h
 
         equalities.map { |node|
-          name = node.left.name
-          [name, binds.fetch(name.to_s) {
+          name = node.left.name.to_s
+          [name, binds.fetch(name) {
             case node.right
             when Array then node.right.map(&:val)
             when Arel::Nodes::Casted, Arel::Nodes::Quoted