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 for Class::DBI to call.
  53   # any other fixups can go in here too... Also, the drivers should subclass the
  54   # DBI driver that they are wrapping, or provide a 'quote()' method that calls
  55   # the DBD::xxx::quote() method on FTI's behalf.
  56   #
  57   # The dirver MUST be a subclass of Class::DBI.
  58         #-------------------------------------------------------------------------------
  59         package OpenILS::Application::Storage::Driver::Pg;
  60         use base qw/Class::DBI OpenILS::Application::Storage/;
  61         use DBI;
  62         use DBD::Pg;
  63         use OpenSRF::Utils::Logger qw/:level/;
  64
  65         __PACKAGE__->set_sql( retrieve_limited => 'SELECT * FROM __TABLE__ ORDER BY id LIMIT ?' );
  66
  67         my $_db_params;
  68         sub child_init {
  69                 my $self = shift;
  70                 $_db_params = shift;
  71         }
  72
  73         my $_dbh;
  74         sub db_Main {
  75                 my $self = shift;
  76
  77                 return $_dbh if (defined $_dbh and $_dbh->ping);
  78
  79                 my %attrs = (   %{$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                 $log->debug(" Default attributes for this DB connection are:\n\t".join("\n\t",map { "$_\t==> $attrs{$_}" } keys %attrs), INTERNAL);
  92
  93                 $_dbh = DBI->connect( "dbi:Pg:host=$_db_params{host};dbname=$_db_params{database}",$_db_params{user},$_db_params{pw}, \%attrs );
  94                 $_dbh->do("SET CLIENT_ENCODING TO 'SQL_ASCII';");
  95
  96                 return $_dbh;
  97         }
  98
  99         sub quote {
 100                 return $_dbh->quote(@_)
 101         }
 102 }
 103
 104 {
 105         #---------------------------------------------------------------------
 106         package asset::call_number;
 107
 108         __PACKAGE__->table( 'asset.call_number' );
 109         __PACKAGE__->sequence( 'asset.call_number_id_seq' );
 110
 111         #---------------------------------------------------------------------
 112         package asset::copy;
 113
 114         __PACKAGE__->table( 'asset.copy' );
 115         __PACKAGE__->sequence( 'asset.copy_id_seq' );
 116
 117         #---------------------------------------------------------------------
 118         package biblio::record_entry;
 119
 120         __PACKAGE__->table( 'biblio.record_entry' );
 121         __PACKAGE__->sequence( 'biblio.record_entry_id_seq' );
 122
 123         #---------------------------------------------------------------------
 124         package biblio::record_node;
 125
 126         __PACKAGE__->table( 'biblio.record_data' );
 127         __PACKAGE__->sequence( 'biblio.record_data_id_seq' );
 128
 129         #---------------------------------------------------------------------
 130         package biblio::record_note;
 131
 132         __PACKAGE__->table( 'biblio.record_note' );
 133         __PACKAGE__->sequence( 'biblio.record_note_id_seq' );
 134
 135         #---------------------------------------------------------------------
 136         package actor::usr;
 137
 138         __PACKAGE__->table( 'actor.usr' );
 139         __PACKAGE__->sequence( 'actor.usr_id_seq' );
 140
 141         #---------------------------------------------------------------------
 142         package actor::org_unit_type;
 143
 144         __PACKAGE__->table( 'actor.org_unit_type' );
 145         __PACKAGE__->sequence( 'actor.org_unit_type_id_seq' );
 146
 147         #---------------------------------------------------------------------
 148
 149 }
 150
 151 1;