Fix frozen string concatenation by indicating that it's mutable

References 89bcca5
mohits · Feb 17, 2018 · d352d81 · d352d81
1 parent 933bbb9
commit d352d81
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
@@ -64,7 +64,7 @@ def visit_PrimaryKeyDefinition(o)
           end
 
           def visit_ForeignKeyDefinition(o)
-            sql = <<~SQL
+            sql = +<<~SQL
               CONSTRAINT #{quote_column_name(o.name)}
               FOREIGN KEY (#{quote_column_name(o.column)})
                 REFERENCES #{quote_table_name(o.to_table)} (#{quote_column_name(o.primary_key)})