···117117 unique(repo_at, issue_id),
118118 foreign key (repo_at) references repos(at_uri) on delete cascade
119119 );
120120+ create table if not exists comments (
121121+ id integer primary key autoincrement,
122122+ owner_did text not null,
123123+ issue_id integer not null,
124124+ repo_at text not null,
125125+ comment_id integer not null,
126126+ comment_at text not null,
127127+ body text not null,
128128+ created text not null default (strftime('%Y-%m-%dT%H:%M:%SZ', 'now')),
129129+ unique(issue_id, comment_id),
130130+ foreign key (repo_at, issue_id) references issues(repo_at, issue_id) on delete cascade
131131+ );
120132 create table if not exists pulls (
121133 -- identifiers
122134 id integer primary key autoincrement,