1 alter table ttrss_filters
add column filter_param
varchar(200);
3 update ttrss_filters
set filter_param
= '';
5 alter table ttrss_filters change filter_param filter_param
varchar(200) not null;
6 alter table ttrss_filters
alter column filter_param
set default '';
8 update ttrss_version
set schema_version
= 47;