Open-ILS/src/perlmods/OpenILS/Application/Storage/Driver/Pg.pm

   1 { # Based on the change to Class::DBI in OpenILS::Application::Storage.  This will
   2   # allow us to use TSearch2 via a simple cdbi "search" interface.
   3         #-------------------------------------------------------------------------------
   4         use Class::DBI;
   5         package Class::DBI;
   6
   7         sub search_fti {
   8                 my $self = shift;
   9                 my @args = @_;
  10                 if (ref($args[-1]) eq 'HASH') {
  11                         $args[-1]->{_placeholder} = "to_tsquery('default',?)";
  12                 } else {
  13                         push @args, {_placeholder => "to_tsquery('default',?)"};
  14                 }
  15                 $self->_do_search("@@"  => @args);
  16         }
  17 }
  18
  19 { # Every driver needs to provide a 'compile()' method to OpenILS::Application::Storage::FTS.
  20   # If that driver wants to support FTI, that is...
  21         #-------------------------------------------------------------------------------
  22         package OpenILS::Application::Storage::FTS;
  23         use OpenSRF::Utils::Logger qw/:level/;
  24         my $log = 'OpenSRF::Utils::Logger';
  25
  26         sub compile {
  27                 my $self = shift;
  28                 my $term = shift;
  29
  30                 $self = ref($self) || $self;
  31                 $self = bless {} => $self;
  32
  33                 $self->decompose($term);
  34
  35                 my $newterm = join('&', $self->words);
  36
  37                 if ($self->nots) {
  38                         $newterm = '('.$newterm.')&('. join('|', $self->nots) . ')';
  39                 }
  40
  41                 $newterm = OpenILS::Application::Storage->driver->quote($newterm);
  42
  43                 $self->{fts_query} = ["to_tsquery('default',$newterm)"];
  44                 $self->{fts_query_nots} = [];
  45                 $self->{fts_op} = '@@';
  46
  47                 return $self;
  48         }
  49 }
  50
  51
  52 { # The driver package itself just needs a db_Main method (or db_Slaves if
  53   #Class::DBI::Replication is in use) for Class::DBI to call.
  54   #
  55   # Any other fixups can go in here too... Also, the drivers should subclass the
  56   # DBI driver that they are wrapping, or provide a 'quote()' method that calls
  57   # the DBD::xxx::quote() method on FTI's behalf.
  58   #
  59   # The dirver MUST be a subclass of Class::DBI(::Replication) and
  60   # OpenILS::Application::Storage.
  61   #-------------------------------------------------------------------------------
  62         package OpenILS::Application::Storage::Driver::Pg;
  63         use Class::DBI::Replication;
  64         use base qw/Class::DBI::Replication OpenILS::Application::Storage/;
  65         use DBI;
  66         use OpenSRF::EX qw/:try/;
  67         use OpenSRF::Utils::Logger qw/:level/;
  68         my $log = 'OpenSRF::Utils::Logger';
  69
  70         __PACKAGE__->set_sql( retrieve_limited => 'SELECT * FROM __TABLE__ ORDER BY id LIMIT ?' );
  71
  72         my $_db_params;
  73         sub child_init {
  74                 my $self = shift;
  75                 $_db_params = shift;
  76
  77                 $_db_params = [ $_db_params ] unless (ref($_db_params) eq 'ARRAY');
  78
  79                 my %attrs = (   %{$self->_default_attributes},
  80                                 RootClass => 'DBIx::ContextualFetch',
  81                                 ShowErrorStatement => 1,
  82                                 RaiseError => 1,
  83                                 AutoCommit => 1,
  84                                 PrintError => 1,
  85                                 Taint => 1,
  86                                 pg_enable_utf8 => 1,
  87                                 FetchHashKeyName => 'NAME_lc',
  88                                 ChopBlanks => 1,
  89                 );
  90
  91                 my ($master,@slaves);
  92                 for my $db (@$_db_params) {
  93                         if ($db->{type} eq 'master') {
  94                                 __PACKAGE__->set_master("dbi:Pg:host=$$db{host};dbname=$$db{db}",$$db{user},$$db{pw}, \%attrs);
  95                         }
  96                         push @slaves, ["dbi:Pg:host=$$db{host};dbname=$$db{db}",$$db{user},$$db{pw}, \%attrs];
  97                 }
  98
  99                 __PACKAGE__->set_slaves(@slaves);
 100
 101                 $log->debug("Running child_init inside ".__PACKAGE__, INTERNAL);
 102         }
 103
 104         sub quote {
 105                 return __PACKAGE->db_Slaves->quote(@_)
 106         }
 107
 108         sub tsearch2_trigger {
 109                 my $self = shift;
 110                 return unless ($self->value);
 111                 $self->index_vector(
 112                         $self->db_Slaves->selectrow_array(
 113                                 "SELECT to_tsvector('default',?);",
 114                                 {},
 115                                 $self->value
 116                         )
 117                 );
 118         }
 119
 120         my $_xact_session;
 121         sub db_Slaves {
 122                 my $self = shift;
 123
 124                 if ($_xact_session && OpenSRF::AppSession->find($_xact_session)) {
 125                         return $self->db_Main;
 126                 }
 127
 128                 return $self->SUPER::db_Slaves
 129         }
 130
 131         sub pg_begin_xaction {
 132                 my $self = shift;
 133                 my $client = shift;
 134
 135                 $_xact_session = $client->session->session_id;
 136
 137                 $client->session->register_callback( disconnect => sub { __PACKAGE__->commit_xaction($client); } )
 138                         if ($self->api_name =~ /autocommit$/o);
 139
 140                 $client->session->register_callback( death => sub { __PACKAGE__->rollback_xaction($client); } );
 141
 142                 return $self->begin_xaction;
 143         }
 144         __PACKAGE__->register_method(
 145                 method          => 'pg_begin_xaction',
 146                 api_name        => 'open-ils.storage.transaction.begin',
 147                 api_level       => 1,
 148                 argc            => 0,
 149         );
 150         __PACKAGE__->register_method(
 151                 method          => 'pg_begin_xaction',
 152                 api_name        => 'open-ils.storage.transaction.begin.autocommit',
 153                 api_level       => 1,
 154                 argc            => 0,
 155         );
 156
 157         sub pg_commit_xaction {
 158
 159                 $_xact_session = undef;
 160                 return $self->commit_xaction(@_);
 161         }
 162         __PACKAGE__->register_method(
 163                 method          => 'pg_commit_xaction',
 164                 api_name        => 'open-ils.storage.transaction.commit',
 165                 api_level       => 1,
 166                 argc            => 0,
 167         );
 168
 169         sub pg_rollback_xaction {
 170
 171                 $_xact_session = undef;
 172                 return $self->rollback_xaction(@_);
 173         }
 174         __PACKAGE__->register_method(
 175                 method          => 'pg_rollback_xaction',
 176                 api_name        => 'open-ils.storage.transaction.rollback',
 177                 api_level       => 1,
 178                 argc            => 0,
 179         );
 180
 181 }
 182
 183 {
 184         #---------------------------------------------------------------------
 185         package asset::call_number;
 186
 187         asset::call_number->table( 'asset.call_number' );
 188         asset::call_number->sequence( 'asset.call_number_id_seq' );
 189
 190         #---------------------------------------------------------------------
 191         package asset::copy;
 192
 193         asset::copy->table( 'asset.copy' );
 194         asset::copy->sequence( 'asset.copy_id_seq' );
 195
 196         #---------------------------------------------------------------------
 197         package biblio::record_entry;
 198
 199         biblio::record_entry->table( 'biblio.record_entry' );
 200         biblio::record_entry->sequence( 'biblio.record_entry_id_seq' );
 201
 202         #---------------------------------------------------------------------
 203         package biblio::record_node;
 204
 205         biblio::record_node->table( 'biblio.record_data' );
 206         biblio::record_node->sequence( 'biblio.record_data_id_seq' );
 207
 208         #---------------------------------------------------------------------
 209         package biblio::record_note;
 210
 211         biblio::record_note->table( 'biblio.record_note' );
 212         biblio::record_note->sequence( 'biblio.record_note_id_seq' );
 213
 214         #---------------------------------------------------------------------
 215         package actor::user;
 216
 217         actor::user->table( 'actor.usr' );
 218         actor::user->sequence( 'actor.usr_id_seq' );
 219
 220         #---------------------------------------------------------------------
 221         package actor::org_unit_type;
 222
 223         actor::org_unit_type->table( 'actor.org_unit_type' );
 224         actor::org_unit_type->sequence( 'actor.org_unit_type_id_seq' );
 225
 226         #---------------------------------------------------------------------
 227
 228         #-------------------------------------------------------------------------------
 229         package metabib::metarecord;
 230
 231         metabib::metarecord->table( 'metabib.metarecord' );
 232         metabib::metarecord->sequence( 'metabib.metarecord_id_seq' );
 233
 234         #-------------------------------------------------------------------------------
 235
 236         #-------------------------------------------------------------------------------
 237         package metabib::title_field_entry;
 238
 239         metabib::title_field_entry->table( 'metabib.title_field_entry' );
 240         metabib::title_field_entry->sequence( 'metabib.title_field_entry_id_seq' );
 241         metabib::title_field_entry->columns( Primary => qw/id/ );
 242         metabib::title_field_entry->columns( Essential => qw/id/ );
 243         metabib::title_field_entry->columns( Others => qw/field value index_vector/ );
 244
 245         metabib::title_field_entry->add_trigger(
 246                 before_create => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 247         );
 248         metabib::title_field_entry->add_trigger(
 249                 before_update => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 250         );
 251
 252         #-------------------------------------------------------------------------------
 253
 254         #-------------------------------------------------------------------------------
 255         package metabib::author_field_entry;
 256
 257         metabib::author_field_entry->table( 'metabib.author_field_entry' );
 258         metabib::author_field_entry->sequence( 'metabib.author_field_entry_id_seq' );
 259         metabib::author_field_entry->columns( Primary => qw/id/ );
 260         metabib::author_field_entry->columns( Essential => qw/id/ );
 261         metabib::author_field_entry->columns( Others => qw/field value index_vector/ );
 262
 263         metabib::author_field_entry->add_trigger(
 264                 before_create => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 265         );
 266         metabib::author_field_entry->add_trigger(
 267                 before_update => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 268         );
 269
 270         #-------------------------------------------------------------------------------
 271
 272         #-------------------------------------------------------------------------------
 273         package metabib::subject_field_entry;
 274
 275         metabib::subject_field_entry->table( 'metabib.subject_field_entry' );
 276         metabib::subject_field_entry->sequence( 'metabib.subject_field_entry_id_seq' );
 277
 278         metabib::subject_field_entry->add_trigger(
 279                 before_create => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 280         );
 281         metabib::subject_field_entry->add_trigger(
 282                 before_update => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 283         );
 284
 285         #-------------------------------------------------------------------------------
 286
 287         #-------------------------------------------------------------------------------
 288         package metabib::keyword_field_entry;
 289
 290         metabib::keyword_field_entry->table( 'metabib.keyword_field_entry' );
 291         metabib::keyword_field_entry->sequence( 'metabib.keyword_field_entry_id_seq' );
 292
 293         metabib::keyword_field_entry->add_trigger(
 294                 before_create => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 295         );
 296         metabib::keyword_field_entry->add_trigger(
 297                 before_update => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 298         );
 299
 300         #-------------------------------------------------------------------------------
 301
 302         #-------------------------------------------------------------------------------
 303         package metabib::title_field_entry_source_map;
 304
 305         metabib::title_field_entry_source_map->table( 'metabib.title_field_entry_source_map' );
 306         metabib::title_field_entry_source_map->table( 'metabib.title_field_entry_source_map_id_seq' );
 307
 308         #-------------------------------------------------------------------------------
 309
 310         #-------------------------------------------------------------------------------
 311         package metabib::author_field_entry_source_map;
 312
 313         metabib::author_field_entry_source_map->table( 'metabib.author_field_entry_source_map' );
 314         metabib::author_field_entry_source_map->sequence( 'metabib.author_field_entry_source_map_id_seq' );
 315
 316         #-------------------------------------------------------------------------------
 317
 318         #-------------------------------------------------------------------------------
 319         package metabib::subject_field_entry_source_map;
 320
 321         metabib::subject_field_entry_source_map->table( 'metabib.subject_field_entry_source_map' );
 322         metabib::subject_field_entry_source_map->sequence( 'metabib.subject_field_entry_source_map_id_seq' );
 323
 324         #-------------------------------------------------------------------------------
 325 }
 326
 327 1;