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-rw-r--r--activerecord/lib/active_record/schema_migration.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/schema_migration.rb b/activerecord/lib/active_record/schema_migration.rb
index 3017ee0bbb..ee4c71f304 100644
--- a/activerecord/lib/active_record/schema_migration.rb
+++ b/activerecord/lib/active_record/schema_migration.rb
@@ -31,8 +31,8 @@ module ActiveRecord
connection.create_table(table_name, id: false) do |t|
t.column :version, :string, version_options
+ t.index :version, unique: true, name: index_name
end
- connection.add_index table_name, :version, unique: true, name: index_name
end
end