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 current_xact_session {
 122                 my $self = shift;
 123                 my $ses = shift;
 124                 $_xact_session = $ses if (defined $ses);
 125                 return $_xact_session;
 126         }
 127
 128         sub db_Slaves {
 129                 my $self = shift;
 130
 131                 if ($self->current_xact_session && OpenSRF::AppSession->find($self->current_xact_session)) {
 132                         return $self->db_Main;
 133                 }
 134
 135                 return $self->_pick_slaves->($self, @_);
 136                 return $self->SUPER::db_Slaves;
 137         }
 138
 139 }
 140
 141
 142 {
 143         package OpenILS::Application::Storage;
 144
 145         sub pg_begin_xaction {
 146                 my $self = shift;
 147                 my $client = shift;
 148
 149                 OpenILS::Application::Storage::Driver::Pg->current_xact_session( $client->session->session_id );
 150
 151                 $client->session->register_callback( disconnect => sub { __PACKAGE__->pg_commit_xaction($client); } )
 152                         if ($self->api_name =~ /autocommit$/o);
 153
 154                 $client->session->register_callback( death => sub { __PACKAGE__->pg_rollback_xaction($client); } );
 155
 156                 return $self->begin_xaction;
 157         }
 158         __PACKAGE__->register_method(
 159                 method          => 'pg_begin_xaction',
 160                 api_name        => 'open-ils.storage.transaction.begin',
 161                 api_level       => 1,
 162                 argc            => 0,
 163         );
 164         __PACKAGE__->register_method(
 165                 method          => 'pg_begin_xaction',
 166                 api_name        => 'open-ils.storage.transaction.begin.autocommit',
 167                 api_level       => 1,
 168                 argc            => 0,
 169         );
 170
 171         sub pg_commit_xaction {
 172
 173                 OpenILS::Application::Storage::Driver::Pg->current_xact_session( 0 );
 174                 return $self->commit_xaction(@_);
 175         }
 176         __PACKAGE__->register_method(
 177                 method          => 'pg_commit_xaction',
 178                 api_name        => 'open-ils.storage.transaction.commit',
 179                 api_level       => 1,
 180                 argc            => 0,
 181         );
 182
 183         sub pg_rollback_xaction {
 184
 185                 OpenILS::Application::Storage::Driver::Pg->current_xact_session( 0 );
 186                 return $self->rollback_xaction(@_);
 187         }
 188         __PACKAGE__->register_method(
 189                 method          => 'pg_rollback_xaction',
 190                 api_name        => 'open-ils.storage.transaction.rollback',
 191                 api_level       => 1,
 192                 argc            => 0,
 193         );
 194
 195 }
 196
 197 {
 198         #---------------------------------------------------------------------
 199         package asset::call_number;
 200
 201         asset::call_number->table( 'asset.call_number' );
 202         asset::call_number->sequence( 'asset.call_number_id_seq' );
 203
 204         #---------------------------------------------------------------------
 205         package asset::copy;
 206
 207         asset::copy->table( 'asset.copy' );
 208         asset::copy->sequence( 'asset.copy_id_seq' );
 209
 210         #---------------------------------------------------------------------
 211         package biblio::record_entry;
 212
 213         biblio::record_entry->table( 'biblio.record_entry' );
 214         biblio::record_entry->sequence( 'biblio.record_entry_id_seq' );
 215
 216         #---------------------------------------------------------------------
 217         package biblio::record_node;
 218
 219         biblio::record_node->table( 'biblio.record_data' );
 220         biblio::record_node->sequence( 'biblio.record_data_id_seq' );
 221
 222         #---------------------------------------------------------------------
 223         package biblio::record_note;
 224
 225         biblio::record_note->table( 'biblio.record_note' );
 226         biblio::record_note->sequence( 'biblio.record_note_id_seq' );
 227
 228         #---------------------------------------------------------------------
 229         package actor::user;
 230
 231         actor::user->table( 'actor.usr' );
 232         actor::user->sequence( 'actor.usr_id_seq' );
 233
 234         #---------------------------------------------------------------------
 235         package actor::org_unit_type;
 236
 237         actor::org_unit_type->table( 'actor.org_unit_type' );
 238         actor::org_unit_type->sequence( 'actor.org_unit_type_id_seq' );
 239
 240         #---------------------------------------------------------------------
 241
 242         #-------------------------------------------------------------------------------
 243         package metabib::metarecord;
 244
 245         metabib::metarecord->table( 'metabib.metarecord' );
 246         metabib::metarecord->sequence( 'metabib.metarecord_id_seq' );
 247
 248         #-------------------------------------------------------------------------------
 249
 250         #-------------------------------------------------------------------------------
 251         package metabib::title_field_entry;
 252
 253         metabib::title_field_entry->table( 'metabib.title_field_entry' );
 254         metabib::title_field_entry->sequence( 'metabib.title_field_entry_id_seq' );
 255         metabib::title_field_entry->columns( Primary => qw/id/ );
 256         metabib::title_field_entry->columns( Essential => qw/id/ );
 257         metabib::title_field_entry->columns( Others => qw/field value index_vector/ );
 258
 259         metabib::title_field_entry->add_trigger(
 260                 before_create => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 261         );
 262         metabib::title_field_entry->add_trigger(
 263                 before_update => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 264         );
 265
 266         #-------------------------------------------------------------------------------
 267
 268         #-------------------------------------------------------------------------------
 269         package metabib::author_field_entry;
 270
 271         metabib::author_field_entry->table( 'metabib.author_field_entry' );
 272         metabib::author_field_entry->sequence( 'metabib.author_field_entry_id_seq' );
 273
 274         metabib::author_field_entry->add_trigger(
 275                 before_create => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 276         );
 277         metabib::author_field_entry->add_trigger(
 278                 before_update => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 279         );
 280
 281         #-------------------------------------------------------------------------------
 282
 283         #-------------------------------------------------------------------------------
 284         package metabib::subject_field_entry;
 285
 286         metabib::subject_field_entry->table( 'metabib.subject_field_entry' );
 287         metabib::subject_field_entry->sequence( 'metabib.subject_field_entry_id_seq' );
 288
 289         metabib::subject_field_entry->add_trigger(
 290                 before_create => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 291         );
 292         metabib::subject_field_entry->add_trigger(
 293                 before_update => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 294         );
 295
 296         #-------------------------------------------------------------------------------
 297
 298         #-------------------------------------------------------------------------------
 299         package metabib::keyword_field_entry;
 300
 301         metabib::keyword_field_entry->table( 'metabib.keyword_field_entry' );
 302         metabib::keyword_field_entry->sequence( 'metabib.keyword_field_entry_id_seq' );
 303
 304         metabib::keyword_field_entry->add_trigger(
 305                 before_create => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 306         );
 307         metabib::keyword_field_entry->add_trigger(
 308                 before_update => \&OpenILS::Application::Storage::Driver::Pg::tsearch2_trigger
 309         );
 310
 311         #-------------------------------------------------------------------------------
 312
 313         #-------------------------------------------------------------------------------
 314         package metabib::title_field_entry_source_map;
 315
 316         metabib::title_field_entry_source_map->table( 'metabib.title_field_entry_source_map' );
 317         metabib::title_field_entry_source_map->table( 'metabib.title_field_entry_source_map_id_seq' );
 318
 319         #-------------------------------------------------------------------------------
 320
 321         #-------------------------------------------------------------------------------
 322         package metabib::author_field_entry_source_map;
 323
 324         metabib::author_field_entry_source_map->table( 'metabib.author_field_entry_source_map' );
 325         metabib::author_field_entry_source_map->sequence( 'metabib.author_field_entry_source_map_id_seq' );
 326
 327         #-------------------------------------------------------------------------------
 328
 329         #-------------------------------------------------------------------------------
 330         package metabib::subject_field_entry_source_map;
 331
 332         metabib::subject_field_entry_source_map->table( 'metabib.subject_field_entry_source_map' );
 333         metabib::subject_field_entry_source_map->sequence( 'metabib.subject_field_entry_source_map_id_seq' );
 334
 335         #-------------------------------------------------------------------------------
 336 }
 337
 338 1;