if exists(select * from sysindexes where id=object_id('FormDefinitionItem') and name='name_index')
begin
DROP INDEX name_index on FormDefinitionItem;
ALTER TABLE FormDefinitionItem ALTER COLUMN name varchar(4000);
create INDEX name_index on FormDefinitionItem(name);
end;
else
begin
ALTER TABLE FormDefinitionItem ALTER COLUMN name varchar(4000);
create INDEX name_index on FormDefinitionItem(name);
end;