Make `truncate_tables` to bulk statements

Before:

```
   (16.4ms)  TRUNCATE TABLE `author_addresses`
   (20.5ms)  TRUNCATE TABLE `authors`
   (19.4ms)  TRUNCATE TABLE `posts`
```

After:

```
  Truncate Tables (19.5ms)  TRUNCATE TABLE `author_addresses`;
TRUNCATE TABLE `authors`;
TRUNCATE TABLE `posts`
```

1 files changed, 2 insertions, 4 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index 8ee7e4c763..30b69c1e60 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -4,6 +4,7 @@ require "active_record/connection_adapters/abstract_adapter"
 require "active_record/connection_adapters/statement_pool"
 require "active_record/connection_adapters/sqlite3/explain_pretty_printer"
 require "active_record/connection_adapters/sqlite3/quoting"
+require "active_record/connection_adapters/sqlite3/database_statements"
 require "active_record/connection_adapters/sqlite3/schema_creation"
 require "active_record/connection_adapters/sqlite3/schema_definitions"
 require "active_record/connection_adapters/sqlite3/schema_dumper"
@@ -58,6 +59,7 @@ module ActiveRecord
 
       include SQLite3::Quoting
       include SQLite3::SchemaStatements
+      include SQLite3::DatabaseStatements
 
       NATIVE_DATABASE_TYPES = {
         primary_key:  "integer PRIMARY KEY AUTOINCREMENT NOT NULL",
@@ -275,10 +277,6 @@ module ActiveRecord
         end
       end
 
-      def truncate(table_name, name = nil) # :nodoc:
-        execute "DELETE FROM #{quote_table_name(table_name)}", name
-      end
-
       def begin_db_transaction #:nodoc:
         log("begin transaction", nil) { @connection.transaction }
       end