X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage.pm;h=a38cf4701bbf73665fca76742a8ca91cb38d6156;hb=9b3e916d6dd153ac8071cb1a13b4e2f84de87b28;hp=91fe228f7781c3ea725a3fec1c4700dab404ce17;hpb=dd018f09328dbfb2c28a199bbb271d8323cb9a77;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage.pm b/lib/DBIx/Class/Storage.pm index 91fe228..a38cf47 100644 --- a/lib/DBIx/Class/Storage.pm +++ b/lib/DBIx/Class/Storage.pm @@ -262,11 +262,62 @@ which allows the rollback to propagate to the outermost transaction. sub txn_rollback { die "Virtual method!" } +=head2 svp_begin + +Arguments: $savepoint_name? + +Created a new savepoint using the name provided as argument. If no name +is provided, a random name will be used. + +=cut + +sub svp_begin { die "Virtual method!" } + +=head2 svp_release + +Arguments: $savepoint_name? + +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 + +sub svp_release { die "Virtual method!" } + +=head2 svp_rollback + +Arguments: $savepoint_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 + +sub svp_rollback { die "Virtual method!" } + =for comment =head2 txn_scope_guard -Return an object that does stuff. +An alternative way of transaction handling based on +L: + + 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 call. In essence this is akin to +using a L/L pair, without having to worry +about calling L 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. =cut @@ -277,7 +328,7 @@ sub txn_scope_guard { =head2 sql_maker Returns a C object - normally an object of class -C. +C. =cut @@ -434,7 +485,8 @@ Old name for DBIC_TRACE =head1 SEE ALSO -L - reference storage inplementation using SQL::Abstract and DBI. +L - reference storage implementation using +SQL::Abstract and DBI. =head1 AUTHORS