/;
use mro 'c3';
use Carp::Clan qw/^DBIx::Class/;
-use Scalar::Util();
-use List::Util();
+use Scalar::Util 'blessed';
+use List::Util 'first';
use Sub::Name();
-use Data::Dumper::Concise();
+use Data::Dumper::Concise 'Dumper';
+use Try::Tiny;
+use namespace::clean;
+
+__PACKAGE__->sql_limit_dialect ('RowCountOrGenericSubQ');
+__PACKAGE__->sql_quote_char ([qw/[ ]/]);
+__PACKAGE__->datetime_parser_type('DateTime::Format::Sybase');
__PACKAGE__->mk_group_accessors('simple' =>
qw/_identity _blob_log_on_update _writer_storage _is_extra_storage
without doing a C<SELECT MAX(col)>. This is done safely in a transaction
(locking the table.) See L</INSERTS WITH PLACEHOLDERS>.
-A recommended L<DBIx::Class::Storage::DBI/connect_info> setting:
+A recommended L<connect_info|DBIx::Class::Storage::DBI/connect_info> setting:
on_connect_call => [['datetime_setup'], ['blob_setup', log_on_update => 0]]
variable.
EOF
- if (not $self->_typeless_placeholders_supported) {
- if ($self->_placeholders_supported) {
+ if (not $self->_use_typeless_placeholders) {
+ if ($self->_use_placeholders) {
$self->auto_cast(1);
}
else {
$self->_rebless;
}
# this is highly unlikely, but we check just in case
- elsif (not $self->_typeless_placeholders_supported) {
+ elsif (not $self->_use_typeless_placeholders) {
$self->auto_cast(1);
}
}
if exists $args{log_on_update};
}
-sub _is_lob_type {
- my $self = shift;
- my $type = shift;
- $type && $type =~ /(?:text|image|lob|bytea|binary|memo)/i;
-}
-
sub _is_lob_column {
my ($self, $source, $column) = @_;
my ($sql, $bind) = $self->next::method (@_);
- my $table = Scalar::Util::blessed($ident) ? $ident->from : $ident;
+ my $table = blessed $ident ? $ident->from : $ident;
my $bind_info = $self->_resolve_column_info(
$ident, [map $_->[0], @{$bind}]
);
- my $bound_identity_col = List::Util::first
- { $bind_info->{$_}{is_auto_increment} }
- (keys %$bind_info)
+ my $bound_identity_col =
+ first { $bind_info->{$_}{is_auto_increment} }
+ keys %$bind_info
;
- my $identity_col = Scalar::Util::blessed($ident) &&
- List::Util::first
- { $ident->column_info($_)->{is_auto_increment} }
- $ident->columns
+
+ my $columns_info = blessed $ident && $ident->columns_info;
+
+ my $identity_col =
+ $columns_info &&
+ first { $columns_info->{$_}{is_auto_increment} }
+ keys %$columns_info
;
if (($op eq 'insert' && $bound_identity_col) ||
my $self = shift;
my ($source, $to_insert) = @_;
- my $identity_col = (List::Util::first
- { $source->column_info($_)->{is_auto_increment} }
- $source->columns) || '';
+ my $columns_info = $source->columns_info;
+
+ my $identity_col =
+ (first { $columns_info->{$_}{is_auto_increment} }
+ keys %$columns_info )
+ || '';
# check for empty insert
# INSERT INTO foo DEFAULT VALUES -- does not work with Sybase
my $self = shift;
my ($source, $fields, $where, @rest) = @_;
- my $wantarray = wantarray;
-
my $blob_cols = $self->_remove_blob_cols($source, $fields);
my $table = $source->name;
- my $identity_col = List::Util::first
- { $source->column_info($_)->{is_auto_increment} }
- $source->columns;
+ my $columns_info = $source->columns_info;
+
+ my $identity_col =
+ first { $columns_info->{$_}{is_auto_increment} }
+ keys %$columns_info;
my $is_identity_update = $identity_col && defined $fields->{$identity_col};
my @res;
if (%$fields) {
- if ($wantarray) {
+ if (wantarray) {
@res = $self->next::method(@_);
}
- elsif (defined $wantarray) {
+ elsif (defined wantarray) {
$res[0] = $self->next::method(@_);
}
else {
$guard->commit;
- return $wantarray ? @res : $res[0];
+ return wantarray ? @res : $res[0];
}
sub insert_bulk {
my $self = shift;
my ($source, $cols, $data) = @_;
- my $identity_col = List::Util::first
- { $source->column_info($_)->{is_auto_increment} }
- $source->columns;
+ my $columns_info = $source->columns_info;
+
+ my $identity_col =
+ first { $columns_info->{$_}{is_auto_increment} }
+ keys %$columns_info;
- my $is_identity_insert = (List::Util::first
- { $_ eq $identity_col }
- @{$cols}
- ) ? 1 : 0;
+ my $is_identity_insert = (first { $_ eq $identity_col } @{$cols}) ? 1 : 0;
my @source_columns = $source->columns;
return 0;
});
- eval {
+ my $exception = '';
+ try {
my $bulk = $self->_bulk_storage;
my $guard = $bulk->txn_scope_guard;
);
$bulk->_query_end($sql);
+ } catch {
+ $exception = shift;
};
- my $exception = $@;
DBD::Sybase::set_cslib_cb($orig_cslib_cb);
if ($exception =~ /-Y option/) {
- carp <<"EOF";
+ my $w = 'Sybase bulk API operation failed due to character set incompatibility, '
+ . 'reverting to regular array inserts. Try unsetting the LANG environment variable'
+ ;
+ $w .= "\n$exception" if $self->debug;
+ carp $w;
-Sybase bulk API operation failed due to character set incompatibility, reverting
-to regular array inserts:
-
-*** Try unsetting the LANG environment variable.
-
-$exception
-EOF
$self->_bulk_storage(undef);
unshift @_, $self;
goto \&insert_bulk;
sub _update_blobs {
my ($self, $source, $blob_cols, $where) = @_;
- my (@primary_cols) = $source->primary_columns;
-
- $self->throw_exception('Cannot update TEXT/IMAGE column(s) without a primary key')
- unless @primary_cols;
+ my @primary_cols = try
+ { $source->_pri_cols }
+ catch {
+ $self->throw_exception("Cannot update TEXT/IMAGE column(s): $_")
+ };
# check if we're updating a single row by PK
my $pk_cols_in_where = 0;
my $table = $source->name;
my %row = %$row;
- my (@primary_cols) = $source->primary_columns;
-
- $self->throw_exception('Cannot update TEXT/IMAGE column(s) without a primary key')
- unless @primary_cols;
+ my @primary_cols = try
+ { $source->_pri_cols }
+ catch {
+ $self->throw_exception("Cannot update TEXT/IMAGE column(s): $_")
+ };
$self->throw_exception('Cannot update TEXT/IMAGE column(s) without primary key values')
if ((grep { defined $row{$_} } @primary_cols) != @primary_cols);
my $sth = $cursor->sth;
if (not $sth) {
-
$self->throw_exception(
"Could not find row in table '$table' for blob update:\n"
- . Data::Dumper::Concise::Dumper (\%where)
+ . (Dumper \%where)
);
}
- eval {
+ try {
do {
$sth->func('CS_GET', 1, 'ct_data_info') or die $sth->errstr;
} while $sth->fetch;
$sth->func($blob, length($blob), 'ct_send_data') or die $sth->errstr;
$sth->func('ct_finish_send') or die $sth->errstr;
- };
- my $exception = $@;
- $sth->finish if $sth;
- if ($exception) {
+ }
+ catch {
if ($self->using_freetds) {
$self->throw_exception (
- 'TEXT/IMAGE operation failed, probably because you are using FreeTDS: '
- . $exception
+ "TEXT/IMAGE operation failed, probably because you are using FreeTDS: $_"
);
- } else {
- $self->throw_exception($exception);
+ }
+ else {
+ $self->throw_exception($_);
}
}
+ finally {
+ $sth->finish if $sth;
+ };
}
}
on_connect_call => 'datetime_setup'
-In L<DBIx::Class::Storage::DBI/connect_info> to set:
+In L<connect_info|DBIx::Class::Storage::DBI/connect_info> to set:
$dbh->syb_date_fmt('ISO_strict'); # output fmt: 2004-08-21T14:36:48.080Z
$dbh->do('set dateformat mdy'); # input fmt: 08/13/1979 18:08:55.080
}
}
-sub datetime_parser_type { "DateTime::Format::Sybase" }
# ->begin_work and such have no effect with FreeTDS but we run them anyway to
# let the DBD keep any state it needs to.
=head1 Schema::Loader Support
-There is an experimental branch of L<DBIx::Class::Schema::Loader> that will
-allow you to dump a schema from most (if not all) versions of Sybase.
-
-It is available via subversion from:
-
- http://dev.catalyst.perl.org/repos/bast/branches/DBIx-Class-Schema-Loader/current/
+As of version C<0.05000>, L<DBIx::Class::Schema::Loader> should work well with
+most (if not all) versions of Sybase ASE.
=head1 FreeTDS
definitions in your Result classes, and are mapped to a Sybase type (if it isn't
already) using a mapping based on L<SQL::Translator>.
-In other configurations, placeholers will work just as they do with the Sybase
+In other configurations, placeholders will work just as they do with the Sybase
Open Client libraries.
Inserts or updates of TEXT/IMAGE columns will B<NOT> work with FreeTDS.
=head1 TRANSACTIONS
-Due to limitations of the TDS protocol, L<DBD::Sybase>, or both; you cannot
-begin a transaction while there are active cursors; nor can you use multiple
+Due to limitations of the TDS protocol, L<DBD::Sybase>, or both, you cannot
+begin a transaction while there are active cursors, nor can you use multiple
active cursors within a transaction. An active cursor is, for example, a
L<ResultSet|DBIx::Class::ResultSet> that has been executed using C<next> or
C<first> but has not been exhausted or L<reset|DBIx::Class::ResultSet/reset>.
instead.
However, the C<LongReadLen> you pass in
-L<DBIx::Class::Storage::DBI/connect_info> is used to execute the equivalent
-C<SET TEXTSIZE> command on connection.
+L<connect_info|DBIx::Class::Storage::DBI/connect_info> is used to execute the
+equivalent C<SET TEXTSIZE> command on connection.
-See L</connect_call_blob_setup> for a L<DBIx::Class::Storage::DBI/connect_info>
-setting you need to work with C<IMAGE> columns.
+See L</connect_call_blob_setup> for a
+L<connect_info|DBIx::Class::Storage::DBI/connect_info> setting you need to work
+with C<IMAGE> columns.
=head1 BULK API
=item *
-Adaptive Server Anywhere (ASA) support, with possible SQLA::Limit support.
+Adaptive Server Anywhere (ASA) support
=item *
=head1 AUTHOR
-See L<DBIx::Class/CONTRIBUTORS>.
+See L<DBIx::Class/AUTHOR> and L<DBIx::Class/CONTRIBUTORS>.
=head1 LICENSE