$self->db_query(qq|ALTER TABLE $params{schema}."$params{table}" DROP CONSTRAINT "${_}"|) for map { $_->[0] } @{ $constraints };
}
+sub convert_column_to_html {
+ my ($self, $table, $column) = @_;
+
+ my $sth = $self->dbh->prepare(qq|UPDATE $table SET $column = ? WHERE id = ?|) || $self->dberror;
+
+ foreach my $row (selectall_hashref_query($::form, $self->dbh, qq|SELECT id, $column FROM $table WHERE $column IS NOT NULL|)) {
+ next if !$row->{$column} || (($row->{$column} =~ m{^<[a-z]+>}) && ($row->{$column} =~ m{</[a-z]+>$}));
+
+ my $new_content = "" . $::request->presenter->escape($row->{$column});
+ $new_content =~ s{\r}{}g;
+ $new_content =~ s{\n\n+}{</p><p>}g;
+ $new_content =~ s{\n}{<br />}g;
+ $new_content = "<p>${new_content}</p>" if $new_content;
+
+ $sth->execute($new_content, $row->{id}) if $new_content ne $row->{$column};
+ }
+
+ $sth->finish;
+}
+
1;
__END__
This method is the entry point for the actual upgrade. Each upgrade
script must provide this method.
+=item C<convert_column_to_html $table, $column>
+
+Converts the content of a single column from text to HTML suitable for
+use with the ckeditor.
+
=back
=head1 BUGS