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package DBIx::SimpleMigration::Client; |
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3
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our $VERSION = '1.0.1'; |
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5
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sub new { |
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1
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1
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0
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260
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my $self = bless {}, shift; |
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1
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50
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4
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return unless @_ % 2 == 0; |
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1
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3
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my %args = @_; |
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10
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1
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4
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$self->{dbh} = $args{dbh}; |
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1
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2
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$self->{options} = $args{options}; |
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13
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1
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3
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return $self; |
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} |
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16
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sub _create_migrations_table { |
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1
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my ($self) = @_; |
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19
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my $query = ' |
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1
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CREATE TABLE IF NOT EXISTS ' . $self->{options}->{migrations_table} . ' ( |
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name varchar(255) primary key not null, |
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applied datetime not null |
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) |
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'; |
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26
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1
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50
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6
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$self->{dbh}->do($query) or die 'Error creating table: ' . $self->{dbh}->errstr; |
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28
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1
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177
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return $self; |
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} |
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sub _migrations_table_exists { |
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0
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0
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0
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my ($self) = @_; |
33
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34
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0
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0
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return 0; # checking seems to be largely driver-dependent |
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} |
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37
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sub _lock_migrations_table { |
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2
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2
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my ($self) = @_; |
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40
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2
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9
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return 1; # to be overloaded per-DB |
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} |
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sub _applied_migrations { |
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1
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1
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my ($self) = @_; |
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46
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my $query = ' |
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SELECT name, applied |
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1
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3
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FROM ' . $self->{options}->{migrations_table}; |
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50
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1
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my $result = $self->{dbh}->selectall_arrayref($query, {Slice => {}}); |
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52
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1
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128
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my %applied_migrations; |
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1
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1
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foreach my $row (@{$result}) { |
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54
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0
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0
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$applied_migrations{$row->{name}} = $row->{applied}; |
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} |
56
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57
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1
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3
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return \%applied_migrations; |
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} |
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60
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sub _insert_migration { |
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2
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2
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4
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my ($self, $key) = @_; |
62
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63
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2
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3
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eval { |
64
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2
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7
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my $query = 'INSERT INTO ' . $self->{options}->{migrations_table} . ' (name, applied) VALUES (?, CURRENT_TIMESTAMP)'; |
65
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2
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11
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my $sth = $self->{dbh}->prepare($query); |
66
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2
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226
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$sth->execute($key); |
67
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}; |
68
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69
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2
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50
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6
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if ($@) { |
70
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0
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0
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warn 'Error recording migration: ' . $self->{dbh}->errstr; |
71
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0
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0
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return; |
72
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} |
73
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74
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2
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8
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return 1; |
75
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} |
76
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77
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1; |
78
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79
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__END__ |