2 { # The driver package itself just needs a db_Main method (or db_Slaves if
3 #Class::DBI::Replication is in use) for Class::DBI to call.
5 # Any other fixups can go in here too... Also, the drivers should subclass the
6 # DBI driver that they are wrapping, or provide a 'quote()' method that calls
7 # the DBD::xxx::quote() method on FTI's behalf.
9 # The dirver MUST be a subclass of Class::DBI(::Replication) and
10 # OpenILS::Application::Storage.
11 #-------------------------------------------------------------------------------
12 package OpenILS::Application::Storage::Driver::Pg;
13 use OpenILS::Application::Storage::Driver::Pg::cdbi;
14 use OpenILS::Application::Storage::Driver::Pg::fts;
15 use OpenILS::Application::Storage::Driver::Pg::storage;
16 use OpenILS::Application::Storage::Driver::Pg::dbi;
18 use base qw/Class::DBI OpenILS::Application::Storage/;
20 use OpenSRF::EX qw/:try/;
21 use OpenSRF::DomainObject::oilsResponse;
22 use OpenSRF::Utils::Logger qw/:level/;
23 my $log = 'OpenSRF::Utils::Logger';
25 __PACKAGE__->set_sql( retrieve_limited => 'SELECT * FROM __TABLE__ ORDER BY id LIMIT ?' );
26 __PACKAGE__->set_sql( copy_start => 'COPY %s (%s) FROM STDIN;' );
27 __PACKAGE__->set_sql( copy_end => '\.' );
36 $log->debug("Running child_init inside ".__PACKAGE__, INTERNAL);
38 $_db_params = [ $_db_params ] unless (ref($_db_params) eq 'ARRAY');
40 my %attrs = ( %{$self->_default_attributes},
41 RootClass => 'DBIx::ContextualFetch',
42 ShowErrorStatement => 1,
47 #TraceLevel => "1|SQL",
49 pg_server_prepare => 0,
50 FetchHashKeyName => 'NAME_lc',
54 my $master = shift @$_db_params;
55 $log->debug("Attmpting to connet to $$master{db} at $$master{host}", INFO);
58 $master_db = DBI->connect("dbi:Pg:host=$$master{host};dbname=$$master{db}",$$master{user},$$master{pw}, \%attrs) ||
59 throw OpenSRF::EX::ERROR ("Couldn't connect to $$master{db} on $$master{host} as $$master{user}!!");
62 $log->debug("Error connecting to database:\n\t$e\n\t$DBI::errstr", ERROR);
66 $log->debug("Connected to MASTER db $$master{db} at $$master{host}", INFO);
68 $master_db->do("SET NAMES '$$master{client_encoding}';") if ($$master{client_encoding});
70 for my $db (@$_db_params) {
71 push @slave_dbs, DBI->connect("dbi:Pg:host=$$db{host};dbname=$$db{db}",$$db{user},$$db{pw}, \%attrs);
72 $slave_dbs[-1]->do("SET NAMES '$$db{client_encoding}';") if ($$master{client_encoding});
74 $log->debug("Connected to MASTER db '$$master{db} at $$master{host}", INFO);
77 $log->debug("All is well on the western front", INTERNAL);
82 return $master_db if ($self->current_xact_session);
83 return $master_db unless (@slave_dbs);
84 return ($master_db, @slave_dbs)[rand(scalar(@slave_dbs))];
89 return $self->db_Main->quote(@_)
92 # sub tsearch2_trigger {
94 # return unless ($self->value);
95 # $self->index_vector(
96 # $self->db_Slaves->selectrow_array(
97 # "SELECT to_tsvector('default',?);",
106 sub current_xact_session {
108 if (defined($_xact_session)) {
109 return $_xact_session;
114 sub current_xact_is_auto {
117 if (defined($_xact_session) and ref($_xact_session)) {
119 $_xact_session->session_data(autocommit => $auto);
121 return $_xact_session->session_data('autocommit');
125 sub current_xact_id {
127 if (defined($_xact_session) and ref($_xact_session)) {
128 return $_xact_session->session_id;
133 sub set_xact_session {
136 if (!defined($ses)) {
139 $_xact_session = $ses;
140 return $_xact_session;
143 sub unset_xact_session {
145 my $ses = $_xact_session;
146 undef $_xact_session;