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