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1 | package DBIx::Class::Storage::DBI::SQLite; |
2 | |
3 | use strict; |
4 | use warnings; |
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5 | |
6 | use base qw/DBIx::Class::Storage::DBI/; |
7 | use mro 'c3'; |
8 | |
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9 | __PACKAGE__->sql_maker_class('DBIx::Class::SQLMaker::SQLite'); |
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10 | __PACKAGE__->sql_limit_dialect ('LimitOffset'); |
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11 | __PACKAGE__->sql_quote_char ('"'); |
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12 | __PACKAGE__->datetime_parser_type ('DateTime::Format::SQLite'); |
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13 | |
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14 | sub backup { |
15 | |
16 | require File::Spec; |
17 | require File::Copy; |
18 | require POSIX; |
19 | |
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20 | my ($self, $dir) = @_; |
21 | $dir ||= './'; |
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22 | |
23 | ## Where is the db file? |
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24 | my $dsn = $self->_dbi_connect_info()->[0]; |
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25 | |
26 | my $dbname = $1 if($dsn =~ /dbname=([^;]+)/); |
27 | if(!$dbname) |
28 | { |
29 | $dbname = $1 if($dsn =~ /^dbi:SQLite:(.+)$/i); |
30 | } |
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31 | $self->throw_exception("Cannot determine name of SQLite db file") |
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32 | if(!$dbname || !-f $dbname); |
33 | |
34 | # print "Found database: $dbname\n"; |
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35 | # my $dbfile = file($dbname); |
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36 | my ($vol, $dbdir, $file) = File::Spec->splitpath($dbname); |
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37 | # my $file = $dbfile->basename(); |
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38 | $file = POSIX::strftime("%Y-%m-%d-%H_%M_%S", localtime()) . $file; |
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39 | $file = "B$file" while(-f $file); |
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40 | |
41 | mkdir($dir) unless -f $dir; |
42 | my $backupfile = File::Spec->catfile($dir, $file); |
43 | |
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44 | my $res = File::Copy::copy($dbname, $backupfile); |
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45 | $self->throw_exception("Backup failed! ($!)") if(!$res); |
46 | |
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47 | return $backupfile; |
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48 | } |
49 | |
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50 | sub deployment_statements { |
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51 | my $self = shift; |
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52 | my ($schema, $type, $version, $dir, $sqltargs, @rest) = @_; |
53 | |
54 | $sqltargs ||= {}; |
55 | |
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56 | if ( |
57 | ! exists $sqltargs->{producer_args}{sqlite_version} |
58 | and |
59 | my $dver = $self->_server_info->{normalized_dbms_version} |
60 | ) { |
61 | $sqltargs->{producer_args}{sqlite_version} = $dver; |
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62 | } |
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63 | |
64 | $self->next::method($schema, $type, $version, $dir, $sqltargs, @rest); |
65 | } |
66 | |
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67 | sub bind_attribute_by_data_type { |
68 | $_[1] =~ /^ (?: int(?:eger)? | (?:tiny|small|medium|big)int ) $/ix |
69 | ? do { require DBI; DBI::SQL_INTEGER() } |
70 | : undef |
71 | ; |
72 | } |
73 | |
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74 | =head2 connect_call_use_foreign_keys |
75 | |
76 | Used as: |
77 | |
78 | on_connect_call => 'use_foreign_keys' |
79 | |
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80 | In L<connect_info|DBIx::Class::Storage::DBI/connect_info> to turn on foreign key |
81 | (including cascading) support for recent versions of SQLite and L<DBD::SQLite>. |
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82 | |
83 | Executes: |
84 | |
85 | PRAGMA foreign_keys = ON |
86 | |
87 | See L<http://www.sqlite.org/foreignkeys.html> for more information. |
88 | |
89 | =cut |
90 | |
91 | sub connect_call_use_foreign_keys { |
92 | my $self = shift; |
93 | |
94 | $self->_do_query( |
95 | 'PRAGMA foreign_keys = ON' |
96 | ); |
97 | } |
98 | |
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99 | 1; |
100 | |
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101 | =head1 NAME |
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102 | |
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103 | DBIx::Class::Storage::DBI::SQLite - Automatic primary key class for SQLite |
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104 | |
105 | =head1 SYNOPSIS |
106 | |
107 | # In your table classes |
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108 | use base 'DBIx::Class::Core'; |
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109 | __PACKAGE__->set_primary_key('id'); |
110 | |
111 | =head1 DESCRIPTION |
112 | |
113 | This class implements autoincrements for SQLite. |
114 | |
115 | =head1 AUTHORS |
116 | |
117 | Matt S. Trout <mst@shadowcatsystems.co.uk> |
118 | |
119 | =head1 LICENSE |
120 | |
121 | You may distribute this code under the same terms as Perl itself. |
122 | |
123 | =cut |