/usr/share/perl5/DBIx/Class/Storage/DBI/Firebird/Common.pm is in libdbix-class-perl 0.08196-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | package DBIx::Class::Storage::DBI::Firebird::Common;
use strict;
use warnings;
use base qw/DBIx::Class::Storage::DBI/;
use mro 'c3';
use List::Util 'first';
use namespace::clean;
=head1 NAME
DBIx::Class::Storage::DBI::Firebird::Common - Driver Base Class for the Firebird RDBMS
=head1 DESCRIPTION
This class implements autoincrements for Firebird using C<RETURNING> as well as
L<auto_nextval|DBIx::Class::ResultSource/auto_nextval>, savepoints and server
version detection.
=cut
# set default
__PACKAGE__->_use_insert_returning (1);
__PACKAGE__->sql_limit_dialect ('FirstSkip');
__PACKAGE__->sql_quote_char ('"');
sub _sequence_fetch {
my ($self, $nextval, $sequence) = @_;
$self->throw_exception("Can only fetch 'nextval' for a sequence")
if $nextval !~ /^nextval$/i;
$self->throw_exception('No sequence to fetch') unless $sequence;
my ($val) = $self->_get_dbh->selectrow_array(sprintf
'SELECT GEN_ID(%s, 1) FROM rdb$database',
$self->sql_maker->_quote($sequence)
);
return $val;
}
sub _dbh_get_autoinc_seq {
my ($self, $dbh, $source, $col) = @_;
my $table_name = $source->from;
$table_name = $$table_name if ref $table_name;
$table_name = $self->sql_maker->quote_char ? $table_name : uc($table_name);
local $dbh->{LongReadLen} = 100000;
local $dbh->{LongTruncOk} = 1;
my $sth = $dbh->prepare(<<'EOF');
SELECT t.rdb$trigger_source
FROM rdb$triggers t
WHERE t.rdb$relation_name = ?
AND t.rdb$system_flag = 0 -- user defined
AND t.rdb$trigger_type = 1 -- BEFORE INSERT
EOF
$sth->execute($table_name);
while (my ($trigger) = $sth->fetchrow_array) {
my @trig_cols = map {
/^"([^"]+)/ ? $1 : uc($1)
} $trigger =~ /new\.("?\w+"?)/ig;
my ($quoted, $generator) = $trigger =~
/(?:gen_id\s* \( \s* |next \s* value \s* for \s*)(")?(\w+)/ix;
if ($generator) {
$generator = uc $generator unless $quoted;
return $generator
if first {
$self->sql_maker->quote_char ? ($_ eq $col) : (uc($_) eq uc($col))
} @trig_cols;
}
}
return undef;
}
sub _exec_svp_begin {
my ($self, $name) = @_;
$self->_dbh->do("SAVEPOINT $name");
}
sub _exec_svp_release {
my ($self, $name) = @_;
$self->_dbh->do("RELEASE SAVEPOINT $name");
}
sub _exec_svp_rollback {
my ($self, $name) = @_;
$self->_dbh->do("ROLLBACK TO SAVEPOINT $name")
}
# http://www.firebirdfaq.org/faq223/
sub _get_server_version {
my $self = shift;
return $self->_get_dbh->selectrow_array(q{
SELECT rdb$get_context('SYSTEM', 'ENGINE_VERSION') FROM rdb$database
});
}
1;
=head1 CAVEATS
=over 4
=item *
C<last_insert_id> support by default only works for Firebird versions 2 or
greater, L<auto_nextval|DBIx::Class::ResultSource/auto_nextval> however should
work with earlier versions.
=back
=head1 AUTHOR
See L<DBIx::Class/AUTHOR> and L<DBIx::Class/CONTRIBUTORS>.
=head1 LICENSE
You may distribute this code under the same terms as Perl itself.
=cut
# vim:sts=2 sw=2:
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