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Add a script skeleton to update the database

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This commit is contained in:
Daniel Berteaud 2015-02-27 15:51:26 +01:00
parent eff9565144
commit 2b861dba96
2 changed files with 64 additions and 1 deletions
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5
lib/Vroom/Constants.pm
View File

@ -4,7 +4,10 @@ use strict;
use warnings;
use base 'Exporter';
our @EXPORT = qw/COMPONENTS MOH JS_STRINGS API_ACTIONS/;
our @EXPORT = qw/DB_VERSION COMPONENTS MOH JS_STRINGS API_ACTIONS/;
# Database version
use constant DB_VERSION => 1;
# Components used to generate the credits part
use constant COMPONENTS => {

60
scripts/db_upgrade.pl Normal file
View File

@ -0,0 +1,60 @@
#!/usr/bin/env perl
use warnings;
use strict;
use File::Basename;
use lib dirname($0) . '/../lib';
use DBI;
use Config::Simple;
use Vroom::Constants;
use utf8;
# Load and parse global config file
my $cfg = new Config::Simple();
$cfg->read(dirname($0) . '/../conf/settings.ini');
my $config = $cfg->vars();
# Open a handle to the database server
my $dbh = DBI->connect(
$config->{'database.dsn'},
$config->{'database.user'},
$config->{'database.password'},
{
mysql_enable_utf8 => 1,
PrintError => 0,
RaiseError => 1,
ShowErrorStatement => 1,
}
) || die "Cannot connect to the database: " . DBI->errstr . "\n";
# Check current schema version
my $sth = eval {
$dbh->prepare('SELECT `value`
FROM `config`
WHERE `key`=\'schema_version\'');
};
if ($@){
die "DB Error: $@\n";
}
$sth->execute;
if ($sth->err){
die "DB Error: " . $sth->errstr . " (code: " . $sth->err . ")\n";
}
my $cur_ver;
$sth->bind_columns(\$cur_ver);
$sth->fetch;
print "Current version is $cur_ver\n";
if ($cur_ver > Vroom::Constants::DB_VERSION){
die "Database version is unknown, sorry (current version is $cur_ver when it should be " .
Vroom::Constants::DB_VERSION . ")\n";
}
if ($cur_ver == Vroom::Constants::DB_VERSION){
print "Database is up to date, nothing to do\n";
exit 0;
}