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1 | package DBIx::Class::Storage::DBI::ADO; |
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2 | |
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3 | use warnings; |
4 | use strict; |
5 | |
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6 | use base 'DBIx::Class::Storage::DBI'; |
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7 | use mro 'c3'; |
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8 | |
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9 | use Sub::Name; |
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10 | use Try::Tiny; |
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11 | use namespace::clean; |
12 | |
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13 | =head1 NAME |
14 | |
15 | DBIx::Class::Storage::DBI::ADO - Support for L<DBD::ADO> |
16 | |
17 | =head1 DESCRIPTION |
18 | |
19 | This class provides a mechanism for discovering and loading a sub-class |
20 | for a specific ADO backend, as well as some workarounds for L<DBD::ADO>. It |
21 | should be transparent to the user. |
22 | |
23 | =cut |
24 | |
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25 | sub _rebless { shift->_determine_connector_driver('ADO') } |
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26 | |
27 | # cleanup some warnings from DBD::ADO |
28 | # RT#65563, not fixed as of DBD::ADO v2.98 |
29 | sub _dbh_get_info { |
30 | my $self = shift; |
31 | |
32 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
33 | |
34 | local $SIG{__WARN__} = sub { |
35 | $warn_handler->(@_) |
36 | unless $_[0] =~ m{^Missing argument in sprintf at \S+/ADO/GetInfo\.pm}; |
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37 | }; |
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38 | |
39 | $self->next::method(@_); |
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40 | } |
41 | |
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42 | # Monkeypatch out the horrible warnings during global destruction. |
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43 | # A patch to DBD::ADO has been submitted as well, and it was fixed |
44 | # as of 2.99 |
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45 | # https://rt.cpan.org/Ticket/Display.html?id=65563 |
46 | sub _init { |
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47 | unless ($DBD::ADO::__DBIC_MONKEYPATCH_CHECKED__) { |
48 | require DBD::ADO; |
49 | |
50 | unless (try { DBD::ADO->VERSION('2.99'); 1 }) { |
51 | no warnings 'redefine'; |
52 | my $disconnect = *DBD::ADO::db::disconnect{CODE}; |
53 | |
54 | *DBD::ADO::db::disconnect = subname 'DBD::ADO::db::disconnect' => sub { |
55 | my $warn_handler = $SIG{__WARN__} || sub { warn @_ }; |
56 | local $SIG{__WARN__} = sub { |
57 | $warn_handler->(@_) |
58 | unless $_[0] =~ /Not a Win32::OLE object|uninitialized value/; |
59 | }; |
60 | $disconnect->(@_); |
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61 | }; |
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62 | } |
63 | |
64 | $DBD::ADO::__DBIC_MONKEYPATCH_CHECKED__ = 1; |
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65 | } |
66 | } |
67 | |
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68 | # Here I was just experimenting with ADO cursor types, left in as a comment in |
69 | # case you want to as well. See the DBD::ADO docs. |
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70 | #sub _prepare_sth { |
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71 | # my ($self, $dbh, $sql) = @_; |
72 | # |
73 | # my $sth = $self->disable_sth_caching |
74 | # ? $dbh->prepare($sql, { CursorType => 'adOpenStatic' }) |
75 | # : $dbh->prepare_cached($sql, { CursorType => 'adOpenStatic' }, 3); |
76 | # |
77 | # $self->throw_exception($dbh->errstr) if !$sth; |
78 | # |
79 | # $sth; |
80 | #} |
81 | |
82 | 1; |
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83 | |
84 | =head1 AUTHOR |
85 | |
86 | See L<DBIx::Class/AUTHOR> and L<DBIx::Class/CONTRIBUTORS>. |
87 | |
88 | =head1 LICENSE |
89 | |
90 | You may distribute this code under the same terms as Perl itself. |
91 | |
92 | =cut |
93 | # vim:sts=2 sw=2: |