db/00110/DefaultMdImageCreateDateTimestamp.pm

   1 #!/usr/bin/env perl
   2
   3
   4 =head1 NAME
   5
   6     DefaultMdImageCreateDateTimestamp.pm
   7
   8 =head1 SYNOPSIS
   9
  10 mx-run DefaultMdImageCreateDateTimestamp [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 sets a default NOW() value for the create_date and modified_date columns in metadata.md_images, metadata.md_tag_image, and metadata.md_tag
  18 This subclass uses L<Moose>. The parent class uses L<MooseX::Runnable>
  19
  20 =head1 AUTHOR
  21
  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 DefaultMdImageCreateDateTimestamp;
  34
  35 use Moose;
  36
  37 extends 'CXGN::Metadata::Dbpatch';
  38
  39 has '+description' => ( default => <<'');
  40 This patch sets a default NOW() value for the create_date and modified_date columns in metadata.md_images, metadata.md_tag_image, and metadata.md_tag
  41
  42
  43 has '+prereq' => (
  44     default => sub {
  45         [],
  46     },
  47   );
  48
  49 sub patch {
  50     my $self=shift;
  51
  52     print STDOUT "Executing the patch:\n " .   $self->name . ".\n\nDescription:\n  ".  $self->description . ".\n\nExecuted by:\n " .  $self->username . " .";
  53
  54     print STDOUT "\nChecking if this db_patch was executed before or if previous db_patches have been executed.\n";
  55
  56     print STDOUT "\nExecuting the SQL commands.\n";
  57
  58     $self->dbh->do(<<EOSQL);
  59 --do your SQL here
  60 --
  61
  62 alter table metadata.md_image alter column create_date set default now();
  63 alter table metadata.md_image alter column modified_date set default now();
  64 alter table metadata.md_tag_image alter column create_date set default now();
  65 alter table metadata.md_tag_image alter column modified_date set default now();
  66 alter table metadata.md_tag alter column create_date set default now();
  67 alter table metadata.md_tag alter column modified_date set default now();
  68
  69 EOSQL
  70
  71 print "You're done!\n";
  72 }
  73
  74
  75 ####
  76 1; #
  77 ####