updated password reset requests. Fixes #452

controller/store/sql/sqlite3/017_v0_4_23_password_reset_request_unique.sql

@@ -0,0 +1,17 @@
+-- +migrate Up
+
+alter table password_reset_requests rename to password_reset_requests_old;
+
+CREATE TABLE password_reset_requests (
+  id                    integer             primary key,
+  token                 string              not null unique,
+  created_at            datetime            not null default(strftime('%Y-%m-%d %H:%M:%f', 'now')),
+  updated_at            datetime            not null default(strftime('%Y-%m-%d %H:%M:%f', 'now')),
+  account_id            integer             not null constraint fk_accounts_password_reset_requests references accounts on delete cascade,
+  deleted               boolean             not null default(false),
+
+  constraint chk_token check(token <> '')
+);
+
+insert into password_reset_requests select * from password_reset_requests_old;
+drop table password_reset_requests_old;