Open-ILS/src/extras/import/pg_loader.pl

   1 #!/usr/bin/perl
   2 use strict;
   3
   4 use lib '/openils/lib/perl5/';
   5
   6 use OpenSRF::System;
   7 use OpenSRF::EX qw/:try/;
   8 use OpenSRF::Utils::SettingsClient;
   9 use OpenILS::Utils::Fieldmapper;
  10 use OpenSRF::Utils::JSON;
  11 use FileHandle;
  12
  13 use Time::HiRes qw/time/;
  14 use Getopt::Long;
  15
  16 my @files;
  17 my ($config, $output, @auto, @order, @wipe, $quiet) =
  18         ('/openils/conf/opensrf_core.xml');
  19 my $nocommit = 0;
  20
  21 GetOptions( 'config=s'      => \$config,
  22             'output=s'      => \$output,
  23             'wipe=s'        => \@wipe,
  24             'autoprimary=s' => \@auto,
  25             'order=s'       => \@order,
  26             'nocommit|n'    => \$nocommit,
  27             'quiet'         => \$quiet,
  28 );
  29
  30 my %lineset;
  31 my %fieldcache;
  32
  33 OpenSRF::System->bootstrap_client( config_file => $config );
  34 Fieldmapper->import(IDL => OpenSRF::Utils::SettingsClient->new->config_value("IDL"));
  35
  36 my $count = 0;
  37 my $starttime = time;
  38 while ( my $rec = <> ) {
  39         next unless ($rec);
  40
  41         my $row;
  42         try {
  43                 $row = OpenSRF::Utils::JSON->JSON2perl($rec);
  44         } catch Error with {
  45                 my $e = shift;
  46                 warn "\n\n !!! Error : $e \n\n at or around line $count\n";
  47         };
  48         next unless ($row);
  49
  50         my $class = $row->class_name;
  51         my $hint = $row->json_hint;
  52
  53         if (!$lineset{$hint}) {
  54                 $lineset{$hint} = [];
  55                 my @cols = $row->real_fields;
  56                 if (grep { $_ eq $hint} @auto) {
  57                         @cols = grep { $_ ne $class->Identity } @cols;
  58                 }
  59
  60                 $fieldcache{$hint} =
  61                         { table => $class->Table,
  62                           sequence => $class->Sequence,
  63                           pkey => $class->Identity,
  64                           fields => \@cols,
  65                         };
  66
  67         #XXX it burnnnsssessss
  68         $fieldcache{$hint}{table} =~ s/\.full_rec/.real_full_rec/o if ($hint eq 'mfr');
  69         }
  70
  71         push @{ $lineset{$hint} }, [map { $row->$_ } @{ $fieldcache{$hint}{fields} }];
  72
  73         if (!$quiet && !($count % 500)) {
  74                 print STDERR "\r$count\t". $count / (time - $starttime);
  75         }
  76
  77         $count++;
  78 }
  79
  80 print STDERR "\nWriting file ...\n" if (!$quiet);
  81
  82 $output = '&STDOUT' unless ($output);
  83 $output = FileHandle->new(">$output") if ($output);
  84
  85 binmode($output,'utf8');
  86
  87 $output->print("SET CLIENT_ENCODING TO 'UNICODE';\n\n");
  88 $output->print("BEGIN;\n\n");
  89
  90 my $after_commit = '';
  91 for my $h (@order) {
  92         # continue if there was no data for this table
  93         next unless ($fieldcache{$h});
  94
  95         my $fields = join(',', @{ $fieldcache{$h}{fields} });
  96         $output->print( "DELETE FROM $fieldcache{$h}{table};\n" ) if (grep {$_ eq $h } @wipe);
  97         # Speed up loading of bib records
  98         $output->print( "COPY $fieldcache{$h}{table} ($fields) FROM STDIN;\n" );
  99
 100         for my $line (@{ $lineset{$h} }) {
 101                 my @data;
 102                 my $x = 0;
 103                 for my $d (@$line) {
 104                         if (!defined($d)) {
 105                                 $d = '\N';
 106                         } else {
 107                                 $d =~ s/\f/\\f/gos;
 108                                 $d =~ s/\n/\\n/gos;
 109                                 $d =~ s/\r/\\r/gos;
 110                                 $d =~ s/\t/\\t/gos;
 111                                 $d =~ s/\\/\\\\/gos;
 112                         }
 113                         if ($h eq 'bre' and $fieldcache{$h}{fields}[$x] eq 'quality') {
 114                                 $d = int($d) if ($d ne '\N');
 115                         }
 116                         push @data, $d;
 117                         $x++;
 118                 }
 119                 $output->print( join("\t", @data)."\n" );
 120         }
 121
 122         $output->print('\.'."\n\n");
 123
 124         if ($h eq 'mfr') {
 125                 $output->print("SELECT reporter.enable_materialized_simple_record_trigger();\n");
 126                 $output->print("SELECT reporter.disable_materialized_simple_record_trigger();\n");
 127         }
 128
 129         $after_commit .= "SELECT setval('$fieldcache{$h}{sequence}'::TEXT, (SELECT MAX($fieldcache{$h}{pkey}) FROM $fieldcache{$h}{table}), TRUE);\n"
 130                 if (!grep { $_ eq $h} @auto);
 131 }
 132
 133 $output->print("COMMIT;\n\n") unless $nocommit;
 134 $output->print($after_commit);
 135 $output->close;