);
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 $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 $blob_val eq '';
+ }
}
}
my ($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;
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>.
projects / dbsrgits/DBIx-Class.git / blobdiff