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) =
  18         ('/openils/conf/opensrf_core.xml');
  19
  20 GetOptions(
  21         'config=s'      => \$config,
  22         'output=s'      => \$output,
  23         'wipe=s'        => \@wipe,
  24         'autoprimary=s' => \@auto,
  25         'order=s'       => \@order,
  26 );
  27
  28 my %lineset;
  29 my %fieldcache;
  30
  31 OpenSRF::System->bootstrap_client( config_file => $config );
  32 Fieldmapper->import(IDL => OpenSRF::Utils::SettingsClient->new->config_value("IDL"));
  33
  34 my $count = 0;
  35 my $starttime = time;
  36 while ( my $rec = <> ) {
  37         next unless ($rec);
  38
  39         my $row;
  40         try {
  41                 $row = OpenSRF::Utils::JSON->JSON2perl($rec);
  42         } catch Error with {
  43                 my $e = shift;
  44                 warn "\n\n !!! Error : $e \n\n at or around line $count\n";
  45         };
  46         next unless ($row);
  47
  48         my $class = $row->class_name;
  49         my $hint = $row->json_hint;
  50
  51         if (!$lineset{$hint}) {
  52                 $lineset{$hint} = [];
  53                 my @cols = $row->real_fields;
  54                 if (grep { $_ eq $hint} @auto) {
  55                         @cols = grep { $_ ne $class->Identity } @cols;
  56                 }
  57
  58                 $fieldcache{$hint} =
  59                         { table => $class->Table,
  60                           sequence => $class->Sequence,
  61                           pkey => $class->Identity,
  62                           fields => \@cols,
  63                         };
  64         }
  65
  66         push @{ $lineset{$hint} }, [map { $row->$_ } @{ $fieldcache{$hint}{fields} }];
  67
  68         if (!($count % 500)) {
  69                 print STDERR "\r$count\t". $count / (time - $starttime);
  70         }
  71
  72         $count++;
  73 }
  74
  75 print STDERR "\nWriting file ...\n";
  76
  77 $output = '&STDOUT' unless ($output);
  78 $output = FileHandle->new(">$output") if ($output);
  79
  80 binmode($output,'utf8');
  81
  82 $output->print("SET CLIENT_ENCODING TO 'UNICODE';\n\n");
  83
  84 for my $h (@order) {
  85         my $fields = join(',', @{ $fieldcache{$h}{fields} });
  86         $output->print( "DELETE FROM $fieldcache{$h}{table};\n" ) if (grep {$_ eq $h } @wipe);
  87         $output->print( "COPY $fieldcache{$h}{table} ($fields) FROM STDIN;\n" );
  88
  89         for my $line (@{ $lineset{$h} }) {
  90                 my @data;
  91                 my $x = 0;
  92                 for my $d (@$line) {
  93                         if (!defined($d)) {
  94                                 $d = '\N';
  95                         } else {
  96                                 $d =~ s/\f/\\f/gos;
  97                                 $d =~ s/\n/\\n/gos;
  98                                 $d =~ s/\r/\\r/gos;
  99                                 $d =~ s/\t/\\t/gos;
 100                                 $d =~ s/\\/\\\\/gos;
 101                         }
 102                         if ($h eq 'bre' and $fieldcache{$h}{fields}[$x] eq 'quality') {
 103                                 $d = int($d);
 104                         }
 105                         push @data, $d;
 106                         $x++;
 107                 }
 108                 $output->print( join("\t", @data)."\n" );
 109         }
 110
 111         $output->print('\.'."\n\n");
 112
 113         $output->print("SELECT setval('$fieldcache{$h}{sequence}'::TEXT, (SELECT MAX($fieldcache{$h}{pkey}) FROM $fieldcache{$h}{table}), TRUE);\n\n")
 114                 if (!grep { $_ eq $h} @auto);
 115 }