my $blob_cols = $self->_remove_blob_cols($source, $to_insert);
-# Sybase has nested transactions fortunately, because we have to do the insert
-# in a transaction to avoid race conditions with the SELECT MAX(COL) identity
-# method used when placeholders are enabled.
+# Sybase has savepoints fortunately, because we have to do the insert in a
+# transaction to avoid race conditions with the SELECT MAX(COL) identity method
+# used when placeholders are enabled.
my $updated_cols = do {
local $self->{auto_savepoint} = 1;
my $args = \@_;