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package DBIx::Class::Storage::DBI::Sybase; |
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939
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use strict; |
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use warnings; |
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use DBIx::Class::_Util qw( dbic_internal_try dbic_internal_catch ); |
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use namespace::clean; |
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use base qw/DBIx::Class::Storage::DBI/; |
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=head1 NAME |
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DBIx::Class::Storage::DBI::Sybase - Base class for drivers using |
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L |
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=head1 DESCRIPTION |
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This is the base class/dispatcher for Storage's designed to work with |
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=head1 METHODS |
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=cut |
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sub _rebless { shift->_determine_connector_driver('Sybase') } |
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sub _get_rdbms_name { |
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my $self = shift; |
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dbic_internal_try { |
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my $name = $self->_get_dbh->selectrow_arrayref('sp_server_info @attribute_id=1')->[2]; |
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if ($name) { |
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$name =~ s/\W/_/gi; |
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# saner class name |
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$name = 'ASE' if $name eq 'SQL_Server'; |
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} |
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$name; # RV |
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} |
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dbic_internal_catch { |
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$self->throw_exception("Unable to establish connection to determine database type: $_") |
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}; |
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} |
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sub _init { |
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# once the driver is determined see if we need to insert the DBD::Sybase w/ FreeTDS fixups |
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# this is a dirty version of "instance role application", \o/ DO WANT Moo \o/ |
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my $self = shift; |
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if (! $self->isa('DBIx::Class::Storage::DBI::Sybase::FreeTDS') and $self->_using_freetds) { |
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require DBIx::Class::Storage::DBI::Sybase::FreeTDS; |
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my @isa = @{mro::get_linear_isa(ref $self)}; |
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my $class = shift @isa; # this is our current ref |
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my $trait_class = $class . '::FreeTDS'; |
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mro::set_mro ($trait_class, 'c3'); |
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no strict 'refs'; |
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@{"${trait_class}::ISA"} = ($class, 'DBIx::Class::Storage::DBI::Sybase::FreeTDS', @isa); |
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bless ($self, $trait_class); |
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Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO; |
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$self->_init(@_); |
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} |
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$self->next::method(@_); |
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} |
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sub _ping { |
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my $self = shift; |
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my $dbh = $self->_dbh or return 0; |
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local $dbh->{RaiseError} = 1; |
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local $dbh->{PrintError} = 0; |
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( dbic_internal_try { $dbh->do('select 1'); 1 } ) |
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? 1 |
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: 0 |
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; |
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} |
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sub _set_max_connect { |
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my $self = shift; |
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my $val = shift || 256; |
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my $dsn = $self->_dbi_connect_info->[0]; |
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return if ref($dsn) eq 'CODE'; |
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if ($dsn !~ /maxConnect=/) { |
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$self->_dbi_connect_info->[0] = "$dsn;maxConnect=$val"; |
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my $connected = defined $self->_dbh; |
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$self->disconnect; |
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$self->ensure_connected if $connected; |
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} |
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} |
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# Whether or not DBD::Sybase was compiled against FreeTDS. If false, it means |
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# the Sybase OpenClient libraries were used. |
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sub _using_freetds { |
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my $self = shift; |
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return ($self->_get_dbh->{syb_oc_version}||'') =~ /freetds/i; |
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} |
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# Either returns the FreeTDS version against which DBD::Sybase was compiled, |
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# 0 if can't be determined, or undef otherwise |
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sub _using_freetds_version { |
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my $inf = shift->_get_dbh->{syb_oc_version}; |
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return undef unless ($inf||'') =~ /freetds/i; |
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return $inf =~ /v([0-9\.]+)/ ? $1 : 0; |
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} |
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=head1 FURTHER QUESTIONS? |
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Check the list of L. |
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=head1 COPYRIGHT AND LICENSE |
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This module is free software L |
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by the L. You can |
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redistribute it and/or modify it under the same terms as the |
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=cut |
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1; |
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