db/00177/AlterListTimestampType.pm

   1 #!/usr/bin/env perl
   2
   3
   4 =head1 NAME
   5
   6 AddListCreateDate.pm
   7
   8 =head1 SYNOPSIS
   9
  10 mx-run AddListCreateDate [options] -H hostname -D dbname -u username [-F]
  11
  12 this is a subclass of L<CXGN::Metadata::Dbpatch>
  13 see the perldoc of parent class for more details.
  14
  15 =head1 DESCRIPTION
  16
  17 This patch add create date to list objects
  18
  19 =head1 AUTHOR
  20
  21 Chris Tucker
  22
  23 =head1 COPYRIGHT & LICENSE
  24
  25 Copyright 2010 Boyce Thompson Institute for Plant Research
  26
  27 This program is free software; you can redistribute it and/or modify
  28 it under the same terms as Perl itself.
  29
  30 =cut
  31
  32
  33 package AlterListTimestampType;
  34
  35 use Moose;
  36 use Try::Tiny;
  37 use Bio::Chado::Schema;
  38
  39 extends 'CXGN::Metadata::Dbpatch';
  40
  41
  42 has '+description' => ( default => <<'' );
  43 This patch modify create/modified date to be timestamp types in the database
  44
  45
  46 sub patch {
  47     my $self=shift;
  48
  49     print STDOUT "Executing the patch:\n " .   $self->name . ".\n\nDescription:\n  ".  $self->description . ".\n\nExecuted by:\n " .  $self->username . " .";
  50
  51     print STDOUT "\nChecking if this db_patch was executed before or if previous db_patches have been executed.\n";
  52
  53     print STDOUT "\nExecuting the SQL commands.\n";
  54     my $schema = Bio::Chado::Schema->connect( sub { $self->dbh->clone } );
  55
  56     my $coderef = sub {
  57         $self->dbh->do(<<EOSQL);
  58
  59  --do your SQL here
  60     alter table sgn_people.list add column modified_date timestamp NULL DEFAULT now();
  61
  62     update sgn_people.list set create_date = to_timestamp("timestamp", 'YYYY-MM-DD_hh24:mi:ss') where timestamp ~ '\\d\\d\\d\\d-\\d\\d-\\d\\d_\\d\\d\\:\\d\\d\\:\\d\\d';
  63     update sgn_people.list set modified_date = to_timestamp(modify_timestamp, 'YYYY-MM-DD_hh24:mi:ss');
  64
  65     alter table sgn_people.list drop column "timestamp";
  66     alter table sgn_people.list drop column modify_timestamp;
  67 EOSQL
  68
  69         return 1;
  70     };
  71
  72     try {
  73         $schema->txn_do($coderef);
  74     } catch {
  75         die "Load failed! " . $_ .  "\n" ;
  76     };
  77     print "You're done!\n";
  78 }
  79
  80
  81 ####
  82 1; #
  83 ####