X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage.pm;h=a38cf4701bbf73665fca76742a8ca91cb38d6156;hb=088476d4e792951b2e11229d168636dff027e84d;hp=79064a46bb7b471f1bb131110719fc190335f2c0;hpb=adb3554a3f72bf9c9b267c5eb84a8401da64bf37;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage.pm b/lib/DBIx/Class/Storage.pm
index 79064a4..a38cf47 100644
--- a/lib/DBIx/Class/Storage.pm
+++ b/lib/DBIx/Class/Storage.pm
@@ -264,10 +264,10 @@ sub txn_rollback { die "Virtual method!" }
 
 =head2 svp_begin
 
-Arguments: $savepoint_name
+Arguments: $savepoint_name?
 
-Establishes a new savepoint of the specified name within the current
-transaction.
+Created a new savepoint using the name provided as argument. If no name
+is provided, a random name will be used.
 
 =cut
 
@@ -275,10 +275,11 @@ sub svp_begin { die "Virtual method!" }
 
 =head2 svp_release
 
-Arguments: $savepoint_name
+Arguments: $savepoint_name?
 
-Destroy a savepoint, but keep the effects of the commands executed since
-it's creation.
+Release the savepoint provided as argument. If none is provided,
+release the savepoint created most recently. This will implicitly
+release all savepoints created after the one explicitly released as well.
 
 =cut
 
@@ -286,9 +287,11 @@ sub svp_release { die "Virtual method!" }
 
 =head2 svp_rollback
 
-Arguments: $savepoint_name
+Arguments: $savepoint_name?
 
-Rollback to the savepoint of the specified name.
+Rollback to the savepoint provided as argument. If none is provided,
+rollback to the savepoint created most recently. This will implicitly
+release all savepoints created after the savepoint we rollback to.
 
 =cut
 
@@ -298,7 +301,23 @@ sub svp_rollback { die "Virtual method!" }
 
 =head2 txn_scope_guard
 
-Return an object that does stuff.
+An alternative way of transaction handling based on
+L<DBIx::Class::Storage::TxnScopeGuard>:
+
+ my $txn_guard = $storage->txn_scope_guard;
+
+ $row->col1("val1");
+ $row->update;
+
+ $txn_guard->commit;
+
+If an exception occurs, or the guard object otherwise leaves the scope
+before C<< $txn_guard->commit >> is called, the transaction will be rolled
+back by an explicit L</txn_rollback> call. In essence this is akin to
+using a L</txn_begin>/L</txn_commit> pair, without having to worry
+about calling L</txn_rollback> at the right places. Note that since there
+is no defined code closure, there will be no retries and other magic upon
+database disconnection. If you need such functionality see L</txn_do>.
 
 =cut
 
@@ -309,7 +328,7 @@ sub txn_scope_guard {
 =head2 sql_maker
 
 Returns a C<sql_maker> object - normally an object of class
-C<DBIC::SQL::Abstract>.
+C<DBIx::Class::SQLAHacks>.
 
 =cut
 
@@ -466,7 +485,8 @@ Old name for DBIC_TRACE
 
 =head1 SEE ALSO
 
-L<DBIx::Class::Storage::DBI> - reference storage inplementation using SQL::Abstract and DBI.
+L<DBIx::Class::Storage::DBI> - reference storage implementation using
+SQL::Abstract and DBI.
 
 =head1 AUTHORS