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1 | package DBIx::Class::DeploymentHandler::HandlesVersionStorage; |
2 | use Moose::Role; |
3 | |
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4 | requires 'add_database_version'; |
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5 | requires 'database_version'; |
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6 | requires 'delete_database_version'; |
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7 | requires 'version_storage_is_installed'; |
8 | |
9 | 1; |
10 | |
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11 | # vim: ts=2 sw=2 expandtab |
12 | |
13 | __END__ |
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14 | |
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15 | =head1 DESCRIPTION |
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16 | |
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17 | Typically VersionStorages will be implemented with a simple |
18 | DBIx::Class::Result. Take a look at the |
19 | L<two existing implementations|/KNOWN IMPLEMENTATIONS> for examples of what you |
20 | might want to do in your own storage. |
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21 | |
22 | =method add_database_version |
23 | |
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24 | $dh->add_database_version({ |
25 | version => '1.02', |
26 | ddl => $ddl # can be undef, |
27 | upgrade_sql => $sql # can be undef, |
28 | }); |
29 | |
30 | Store a new version into the version storage |
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31 | |
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32 | =method database_version |
33 | |
34 | my $db_version = $version_storage->database_version; |
35 | |
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36 | =method delete_database_version |
37 | |
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38 | $dh->delete_database_version({ version => '1.02' }) |
39 | |
40 | simply deletes given database version from the version storage |
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41 | |
42 | =method version_storage_is_installed |
43 | |
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44 | warn q(I can't version this database!) |
45 | unless $dh->version_storage_is_installed |
46 | |
47 | return true iff the version storage is installed. |
48 | |
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49 | =head1 KNOWN IMPLEMENTATIONS |
50 | |
51 | =over |
52 | |
53 | =item * |
54 | |
55 | L<DBIx::Class::DeploymentHandler::VersionStorage::Standard> |
56 | |
57 | =item * |
58 | |
59 | L<DBIx::Class::DeploymentHandler::VersionStorage::Deprecated> |
60 | |
61 | =back |
62 | |