Commit | Line | Data |
---|---|---|
f68f4d44 | 1 | package DBIx::Class::Storage::DBI::Sybase; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
ddcc02d1 | 5 | use DBIx::Class::_Util 'dbic_internal_try'; |
ed7ab0f4 | 6 | use Try::Tiny; |
fd323bf1 | 7 | use namespace::clean; |
2ad62d97 | 8 | |
057db5ce | 9 | use base qw/DBIx::Class::Storage::DBI/; |
d867eeda | 10 | |
11 | =head1 NAME | |
12 | ||
95787afe | 13 | DBIx::Class::Storage::DBI::Sybase - Base class for drivers using |
14 | L<DBD::Sybase> | |
d867eeda | 15 | |
16 | =head1 DESCRIPTION | |
17 | ||
057db5ce | 18 | This is the base class/dispatcher for Storage's designed to work with |
19 | L<DBD::Sybase> | |
d867eeda | 20 | |
21 | =head1 METHODS | |
22 | ||
23 | =cut | |
f68f4d44 | 24 | |
b0c42bbc | 25 | sub _rebless { shift->_determine_connector_driver('Sybase') } |
26 | ||
27 | sub _get_rdbms_name { | |
d867eeda | 28 | my $self = shift; |
d29565e0 | 29 | |
ddcc02d1 | 30 | dbic_internal_try { |
b0c42bbc | 31 | my $name = $self->_get_dbh->selectrow_arrayref('sp_server_info @attribute_id=1')->[2]; |
d867eeda | 32 | |
b0c42bbc | 33 | if ($name) { |
34 | $name =~ s/\W/_/gi; | |
057db5ce | 35 | |
b0c42bbc | 36 | # saner class name |
37 | $name = 'ASE' if $name eq 'SQL_Server'; | |
d867eeda | 38 | } |
b0c42bbc | 39 | |
40 | $name; # RV | |
41 | } catch { | |
42 | $self->throw_exception("Unable to establish connection to determine database type: $_") | |
43 | }; | |
d867eeda | 44 | } |
45 | ||
c1e5a9ac | 46 | sub _init { |
47 | # once the driver is determined see if we need to insert the DBD::Sybase w/ FreeTDS fixups | |
48 | # this is a dirty version of "instance role application", \o/ DO WANT Moo \o/ | |
49 | my $self = shift; | |
aca3b4c3 | 50 | if (! $self->isa('DBIx::Class::Storage::DBI::Sybase::FreeTDS') and $self->_using_freetds) { |
c1e5a9ac | 51 | require DBIx::Class::Storage::DBI::Sybase::FreeTDS; |
52 | ||
53 | my @isa = @{mro::get_linear_isa(ref $self)}; | |
54 | my $class = shift @isa; # this is our current ref | |
55 | ||
56 | my $trait_class = $class . '::FreeTDS'; | |
57 | mro::set_mro ($trait_class, 'c3'); | |
58 | no strict 'refs'; | |
59 | @{"${trait_class}::ISA"} = ($class, 'DBIx::Class::Storage::DBI::Sybase::FreeTDS', @isa); | |
60 | ||
61 | bless ($self, $trait_class); | |
62 | ||
63 | Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO; | |
64 | ||
65 | $self->_init(@_); | |
66 | } | |
67 | ||
68 | $self->next::method(@_); | |
69 | } | |
70 | ||
057db5ce | 71 | sub _ping { |
d867eeda | 72 | my $self = shift; |
d867eeda | 73 | |
057db5ce | 74 | my $dbh = $self->_dbh or return 0; |
0a9a9955 | 75 | |
057db5ce | 76 | local $dbh->{RaiseError} = 1; |
77 | local $dbh->{PrintError} = 0; | |
0a9a9955 | 78 | |
c1e5a9ac | 79 | # FIXME if the main connection goes stale, does opening another for this statement |
80 | # really determine anything? | |
ddcc02d1 | 81 | # FIXME (2) THIS MAKES 0 SENSE!!! Need to test later |
057db5ce | 82 | if ($dbh->{syb_no_child_con}) { |
ddcc02d1 | 83 | return dbic_internal_try { |
37b5ab51 | 84 | $self->_connect->do('select 1'); |
c1e5a9ac | 85 | 1; |
86 | } | |
87 | catch { | |
88 | 0; | |
89 | }; | |
057db5ce | 90 | } |
d867eeda | 91 | |
ddcc02d1 | 92 | return ( |
93 | (dbic_internal_try { | |
94 | $dbh->do('select 1'); | |
95 | 1; | |
96 | }) | |
97 | ? 1 | |
98 | : 0 | |
99 | ); | |
0a9a9955 | 100 | } |
101 | ||
057db5ce | 102 | sub _set_max_connect { |
d867eeda | 103 | my $self = shift; |
057db5ce | 104 | my $val = shift || 256; |
d867eeda | 105 | |
057db5ce | 106 | my $dsn = $self->_dbi_connect_info->[0]; |
d867eeda | 107 | |
057db5ce | 108 | return if ref($dsn) eq 'CODE'; |
81a10d8d | 109 | |
057db5ce | 110 | if ($dsn !~ /maxConnect=/) { |
111 | $self->_dbi_connect_info->[0] = "$dsn;maxConnect=$val"; | |
112 | my $connected = defined $self->_dbh; | |
113 | $self->disconnect; | |
114 | $self->ensure_connected if $connected; | |
d867eeda | 115 | } |
116 | } | |
117 | ||
aca3b4c3 | 118 | # Whether or not DBD::Sybase was compiled against FreeTDS. If false, it means |
119 | # the Sybase OpenClient libraries were used. | |
120 | sub _using_freetds { | |
d867eeda | 121 | my $self = shift; |
c1e5a9ac | 122 | return ($self->_get_dbh->{syb_oc_version}||'') =~ /freetds/i; |
a964a928 | 123 | } |
124 | ||
aca3b4c3 | 125 | # Either returns the FreeTDS version against which DBD::Sybase was compiled, |
126 | # 0 if can't be determined, or undef otherwise | |
127 | sub _using_freetds_version { | |
128 | my $inf = shift->_get_dbh->{syb_oc_version}; | |
129 | return undef unless ($inf||'') =~ /freetds/i; | |
130 | return $inf =~ /v([0-9\.]+)/ ? $1 : 0; | |
131 | } | |
132 | ||
a2bd3796 | 133 | =head1 FURTHER QUESTIONS? |
f68f4d44 | 134 | |
a2bd3796 | 135 | Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>. |
47d9646a | 136 | |
a2bd3796 | 137 | =head1 COPYRIGHT AND LICENSE |
f68f4d44 | 138 | |
a2bd3796 | 139 | This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE> |
140 | by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can | |
141 | redistribute it and/or modify it under the same terms as the | |
142 | L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>. | |
f68f4d44 | 143 | |
144 | =cut | |
a2bd3796 | 145 | |
146 | 1; | |
147 |