From 38136f86dc5504bde94dc7399d4a854023d7481f Mon Sep 17 00:00:00 2001 From: Jason King Date: Thu, 26 Feb 2009 16:51:38 +1100 Subject: DDL transactions and savepoints for sqlite Sqlite has had DDL transactions since 2.0.0[1] and savepoints since 3.6.8[2]. This patch updates the connection_adapters. [1] http://tinyurl.com/sqlite-v2-0-0 [2] http://tinyurl.com/sqlite-v3-6-8 Signed-off-by: Michael Koziarski [#2080 state:committed] --- .../connection_adapters/sqlite_adapter.rb | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'activerecord/lib/active_record') diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb index 5390f49f04..8373163e56 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb @@ -72,10 +72,29 @@ module ActiveRecord # # * :database - Path to the database file. class SQLiteAdapter < AbstractAdapter + + class Version + include Comparable + def initialize(vs) + @v = vs.split('.').map(&:to_i) + end + def <=>(rhs) + @v <=> rhs.split('.').map(&:to_i) + end + end + def adapter_name #:nodoc: 'SQLite' end + def supports_ddl_transactions? + sqlite_version >= '2.0.0' + end + + def supports_savepoints? + sqlite_version >= '3.6.8' + end + def supports_migrations? #:nodoc: true end @@ -380,7 +399,7 @@ module ActiveRecord end def sqlite_version - @sqlite_version ||= select_value('select sqlite_version(*)') + @sqlite_version ||= SQLiteAdapter::Version.new(select_value('select sqlite_version(*)')) end def default_primary_key_type -- cgit v1.2.3