);
my @also_proxy_to_extra_storages = qw/
+ connect_call_set_auto_cast auto_cast connect_call_blob_setup
+ connect_call_datetime_setup
+
disconnect _connect_info _sql_maker _sql_maker_opts disable_sth_caching
auto_savepoint unsafe cursor_class debug debugobj schema
/;
$writer_storage->_is_extra_storage(1);
$writer_storage->connect_info($self->connect_info);
+ $writer_storage->auto_cast($self->auto_cast);
$self->_writer_storage($writer_storage);
$type && $type =~ /(?:text|image|lob|bytea|binary|memo)/i;
}
+sub _is_lob_column {
+ my ($self, $source, $column) = @_;
+
+ return $self->_is_lob_type($source->column_info($column)->{data_type});
+}
+
sub _prep_for_execute {
my $self = shift;
my ($op, $extra_bind, $ident, $args) = @_;
sub update {
my $self = shift;
- my ($source, $fields, $where) = @_;
+ my ($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 $is_identity_update = $identity_col && defined $fields->{$identity_col};
+
if (not $blob_cols) {
+ $self->_set_identity_insert($table, 'update') if $is_identity_update;
return $self->next::method(@_);
+ $self->_unset_identity_insert($table, 'update') if $is_identity_update;
+ }
+
+# check that we're not updating a blob column that's also in $where
+ for my $blob (grep $self->_is_lob_column($source, $_), $source->columns) {
+ if (exists $where->{$blob} && exists $fields->{$blob}) {
+ croak
+'Update of TEXT/IMAGE column that is also in search condition impossible';
+ }
}
# update+blob update(s) done atomically on separate connection
my $guard = $self->txn_scope_guard;
- my @res;
- if ($wantarray) {
- @res = $self->next::method(@_);
- }
- elsif (defined $wantarray) {
- $res[0] = $self->next::method(@_);
- }
- else {
- $self->next::method(@_);
- }
+# First update the blob columns to be updated to '' (taken from $fields, where
+# it is originally put by _remove_blob_cols .)
+ my %blobs_to_empty = map { ($_ => delete $fields->{$_}) } keys %$blob_cols;
+
+ $self->next::method($source, \%blobs_to_empty, $where, @rest);
+# Now update the blobs before the other columns in case the update of other
+# columns makes the search condition invalid.
$self->_update_blobs($source, $blob_cols, $where);
+ my @res;
+ if (%$fields) {
+ $self->_set_identity_insert($table, 'update') if $is_identity_update;
+
+ if ($wantarray) {
+ @res = $self->next::method(@_);
+ }
+ elsif (defined $wantarray) {
+ $res[0] = $self->next::method(@_);
+ }
+ else {
+ $self->next::method(@_);
+ }
+
+ $self->_unset_identity_insert($table, 'update') if $is_identity_update;
+ }
+
$guard->commit;
return $wantarray ? @res : $res[0];
### the insert_bulk partially stolen from DBI/MSSQL.pm
sub _set_identity_insert {
- my ($self, $table) = @_;
+ my ($self, $table, $op) = @_;
my $sql = sprintf (
- 'SET IDENTITY_INSERT %s ON',
+ 'SET IDENTITY_%s %s ON',
+ (uc($op) || 'INSERT'),
$self->sql_maker->_quote ($table),
);
+ $self->_query_start($sql);
+
my $dbh = $self->_get_dbh;
eval { $dbh->do ($sql) };
- if ($@) {
+ my $exception = $@;
+
+ $self->_query_end($sql);
+
+ if ($exception) {
$self->throw_exception (sprintf "Error executing '%s': %s",
$sql,
$dbh->errstr,
}
sub _unset_identity_insert {
- my ($self, $table) = @_;
+ my ($self, $table, $op) = @_;
my $sql = sprintf (
- 'SET IDENTITY_INSERT %s OFF',
+ 'SET IDENTITY_%s %s OFF',
+ (uc($op) || 'INSERT'),
$self->sql_maker->_quote ($table),
);
+ $self->_query_start($sql);
+
my $dbh = $self->_get_dbh;
$dbh->do ($sql);
+
+ $self->_query_end($sql);
}
-## XXX add blob support
+# for tests
+sub _can_insert_bulk { 1 }
+
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 $is_identity_insert = (List::Util::first
- { $source->column_info ($_)->{is_auto_increment} } @{$cols}
+ { $source->column_info ($_)->{is_auto_increment} }
+ @{$cols}
) ? 1 : 0;
my @source_columns = $source->columns;
}
if (not $use_bulk_api) {
- if ($is_identity_insert) {
- $self->_set_identity_insert ($source->name);
- }
+ my $blob_cols = $self->_remove_blob_cols_array($source, $cols, $data);
+ my $dumb_last_insert_id =
+ $identity_col
+ && (not $is_identity_insert)
+ && ($self->_identity_method||'') ne '@@IDENTITY';
+
+ ($self, my ($guard)) = do {
+ if ($self->{transaction_depth} == 0 &&
+ ($blob_cols || $dumb_last_insert_id)) {
+ ($self->_writer_storage, $self->_writer_storage->txn_scope_guard);
+ }
+ else {
+ ($self, undef);
+ }
+ };
+
+ $self->_set_identity_insert ($source->name) if $is_identity_insert;
$self->next::method(@_);
+ $self->_unset_identity_insert ($source->name) if $is_identity_insert;
- if ($is_identity_insert) {
- $self->_unset_identity_insert ($source->name);
+ if ($blob_cols) {
+ if ($is_identity_insert) {
+ $self->_insert_blobs_array ($source, $blob_cols, $cols, $data);
+ }
+ else {
+ my @cols_with_identities = (@$cols, $identity_col);
+
+ ## calculate identities
+ # XXX This assumes identities always increase by 1, which may or may not
+ # be true.
+ my ($last_identity) =
+ $self->_dbh->selectrow_array (
+ $self->_fetch_identity_sql($source, $identity_col)
+ );
+ my @identities = (($last_identity - @$data + 1) .. $last_identity);
+
+ my @data_with_identities = map [@$_, shift @identities], @$data;
+
+ $self->_insert_blobs_array (
+ $source, $blob_cols, \@cols_with_identities, \@data_with_identities
+ );
+ }
}
+ $guard->commit if $guard;
return;
}
push @new_data, $new_datum;
}
- my $identity_col = List::Util::first
- { $source->column_info($_)->{is_auto_increment} } @source_columns;
-
# bcp identity index is 1-based
my $identity_idx = exists $new_idx{$identity_col} ?
$new_idx{$identity_col} + 1 : 0;
}
);
+ my $bind_attributes = $self->source_bind_attributes($source);
+
+ foreach my $slice_idx (0..$#source_columns) {
+ my $col = $source_columns[$slice_idx];
+
+ my $attributes = $bind_attributes->{$col}
+ if $bind_attributes && defined $bind_attributes->{$col};
+
+ my @slice = map $_->[$slice_idx], @new_data;
+
+ $sth->bind_param_array(($slice_idx + 1), \@slice, $attributes);
+ }
+
$bulk->_query_start($sql);
- for my $datum (@new_data) {
- $sth->execute(@$datum);
- die $sth->errstr if $sth->errstr; # just in case
+# this is stolen from DBI::insert_bulk
+ my $tuple_status = [];
+ my $rv = eval { $sth->execute_array({ArrayTupleStatus => $tuple_status}) };
+
+ if (my $err = $@ || $sth->errstr) {
+ my $i = 0;
+ ++$i while $i <= $#$tuple_status && !ref $tuple_status->[$i];
+
+ $self->throw_exception("Unexpected populate error: $err")
+ if ($i > $#$tuple_status);
+
+ require Data::Dumper;
+ local $Data::Dumper::Terse = 1;
+ local $Data::Dumper::Indent = 1;
+ local $Data::Dumper::Useqq = 1;
+ local $Data::Dumper::Quotekeys = 0;
+ local $Data::Dumper::Sortkeys = 1;
+
+ $self->throw_exception(sprintf "%s for populate slice:\n%s",
+ ($tuple_status->[$i][1] || $err),
+ Data::Dumper::Dumper(
+ { map { $source_columns[$_] => $new_data[$i][$_] } (0 .. $#$cols) }
+ ),
+ );
}
$guard->commit;
DBD::Sybase::set_cslib_cb($orig_cslib_cb);
# rollback makes the bulkLogin connection unusable
$self->_bulk_storage->disconnect;
- $self->throw_exception($exception) if $exception;
+ $self->throw_exception($exception);
}
DBD::Sybase::set_cslib_cb($orig_cslib_cb);
}
+# Make sure blobs are not bound as placeholders, and return any non-empty ones
+# as a hash.
sub _remove_blob_cols {
my ($self, $source, $fields) = @_;
for my $col (keys %$fields) {
if ($self->_is_lob_type($source->column_info($col)->{data_type})) {
- $blob_cols{$col} = delete $fields->{$col};
- $fields->{$col} = \"''";
+ my $blob_val = delete $fields->{$col};
+ if (not defined $blob_val) {
+ $fields->{$col} = \'NULL';
+ }
+ else {
+ $fields->{$col} = \"''";
+ $blob_cols{$col} = $blob_val unless $blob_val eq '';
+ }
}
}
return keys %blob_cols ? \%blob_cols : undef;
}
+# same for insert_bulk
+sub _remove_blob_cols_array {
+ my ($self, $source, $cols, $data) = @_;
+
+ my @blob_cols;
+
+ for my $i (0..$#$cols) {
+ my $col = $cols->[$i];
+
+ if ($self->_is_lob_type($source->column_info($col)->{data_type})) {
+ for my $j (0..$#$data) {
+ my $blob_val = delete $data->[$j][$i];
+ if (not defined $blob_val) {
+ $data->[$j][$i] = \'NULL';
+ }
+ else {
+ $data->[$j][$i] = \"''";
+ $blob_cols[$j][$i] = $blob_val
+ unless $blob_val eq '';
+ }
+ }
+ }
+ }
+
+ return @blob_cols ? \@blob_cols : undef;
+}
+
sub _update_blobs {
my ($self, $source, $blob_cols, $where) = @_;
my ($self, $source, $blob_cols, $row) = @_;
my $dbh = $self->_get_dbh;
- my $table = $source->from;
+ my $table = $source->name;
my %row = %$row;
my (@primary_cols) = $source->primary_columns;
$cursor->next;
my $sth = $cursor->sth;
+ if (not $sth) {
+ require Data::Dumper;
+ local $Data::Dumper::Terse = 1;
+ local $Data::Dumper::Indent = 1;
+ local $Data::Dumper::Useqq = 1;
+ local $Data::Dumper::Quotekeys = 0;
+ local $Data::Dumper::Sortkeys = 1;
+
+ croak "\nCould not find row in table '$table' for blob update:\n".
+ Data::Dumper::Dumper(\%where)."\n";
+ }
+
eval {
do {
$sth->func('CS_GET', 1, 'ct_data_info') or die $sth->errstr;
}
}
+sub _insert_blobs_array {
+ my ($self, $source, $blob_cols, $cols, $data) = @_;
+
+ for my $i (0..$#$data) {
+ my $datum = $data->[$i];
+
+ my %row;
+ @row{ @$cols } = @$datum;
+
+ my %blob_vals;
+ for my $j (0..$#$cols) {
+ if (exists $blob_cols->[$i][$j]) {
+ $blob_vals{ $cols->[$j] } = $blob_cols->[$i][$j];
+ }
+ }
+
+ $self->_insert_blobs ($source, \%blob_vals, \%row);
+ }
+}
+
=head2 connect_call_datetime_setup
Used as:
to work. Also, you may have to unset the C<LANG> environment variable before
loading your app, if it doesn't match the character set of your database.
+When inserting IMAGE columns using this method, you'll need to use
+L</connect_call_blob_setup> as well.
+
=head1 AUTHOR
See L<DBIx::Class/CONTRIBUTORS>.