X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FPg.pm;h=2a7b529d06cbc00f66ced22e1c1ca67830cb7294;hb=d3944540917a76cd054d1bf4ed98f2571c077b2d;hp=baf30fb414f8124d13ce410c51d34ae9f59842b5;hpb=1ff9c30db9648d11f9ae1795cf2f2d20895253a3;p=dbsrgits%2FDBIx-Class-Historic.git diff --git a/lib/DBIx/Class/Storage/DBI/Pg.pm b/lib/DBIx/Class/Storage/DBI/Pg.pm index baf30fb..2a7b529 100644 --- a/lib/DBIx/Class/Storage/DBI/Pg.pm +++ b/lib/DBIx/Class/Storage/DBI/Pg.pm @@ -15,24 +15,28 @@ warn "DBD::Pg 2.9.2 or greater is strongly recommended\n" sub with_deferred_fk_checks { my ($self, $sub) = @_; - $self->dbh->do('SET CONSTRAINTS ALL DEFERRED'); + $self->_get_dbh->do('SET CONSTRAINTS ALL DEFERRED'); $sub->(); } -sub _dbh_last_insert_id { - my ($self, $dbh, $seq) = @_; - $dbh->last_insert_id(undef, undef, undef, undef, {sequence => $seq}); -} - sub last_insert_id { my ($self,$source,$col) = @_; my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col)); $self->throw_exception("could not fetch primary key for " . $source->name . ", could not " . "get autoinc sequence for $col (check that table and column specifications are correct " . "and in the correct case)") unless defined $seq; - $self->dbh_do('_dbh_last_insert_id', $seq); + + $self->_dbh_last_insert_id ($self->_dbh, $seq); +} + +# there seems to be absolutely no reason to have this as a separate method, +# but leaving intact in case someone is already overriding it +sub _dbh_last_insert_id { + my ($self, $dbh, $seq) = @_; + $dbh->last_insert_id(undef, undef, undef, undef, {sequence => $seq}); } + sub _get_pg_search_path { my ($self,$dbh) = @_; # cache the search path as ['schema','schema',...] in the storage @@ -89,8 +93,16 @@ sub get_autoinc_seq { my ($self,$source,$col) = @_; my @pri = $source->primary_columns; - my ($schema,$table) = $source->name =~ /^(.+)\.(.+)$/ ? ($1,$2) - : (undef,$source->name); + + my $schema; + my $table = $source->name; + + if (ref $table eq 'SCALAR') { + $table = $$table; + } + elsif ($table =~ /^(.+)\.(.+)$/) { + ($schema, $table) = ($1, $2); + } $self->dbh_do('_dbh_get_autoinc_seq', $schema, $table, @pri); } @@ -119,26 +131,26 @@ sub bind_attribute_by_data_type { sub _sequence_fetch { my ( $self, $type, $seq ) = @_; - my ($id) = $self->dbh->selectrow_array("SELECT nextval('${seq}')"); + my ($id) = $self->_get_dbh->selectrow_array("SELECT nextval('${seq}')"); return $id; } sub _svp_begin { my ($self, $name) = @_; - $self->dbh->pg_savepoint($name); + $self->_get_dbh->pg_savepoint($name); } sub _svp_release { my ($self, $name) = @_; - $self->dbh->pg_release($name); + $self->_get_dbh->pg_release($name); } sub _svp_rollback { my ($self, $name) = @_; - $self->dbh->pg_rollback_to($name); + $self->_get_dbh->pg_rollback_to($name); } 1; @@ -158,9 +170,26 @@ DBIx::Class::Storage::DBI::Pg - Automatic primary key class for PostgreSQL This class implements autoincrements for PostgreSQL. +=head1 POSTGRESQL SCHEMA SUPPORT + +This supports multiple PostgreSQL schemas, with one caveat: for +performance reasons, the schema search path is queried the first time it is +needed and CACHED for subsequent uses. + +For this reason, you should do any necessary manipulation of the +PostgreSQL search path BEFORE instantiating your schema object, or as +part of the on_connect_do option to connect(), for example: + + my $schema = My::Schema->connect + ( $dsn,$user,$pass, + { on_connect_do => + [ 'SET search_path TO myschema, foo, public' ], + }, + ); + =head1 AUTHORS -Marcus Ramberg +See L =head1 LICENSE