R1:57e22e3ce591

Just a sql patch for all day events.

Summary: Ref T8021, sql patch for all day events.

Test Plan: check schema by running `bin/storage upgrade`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Maniphest Tasks: T8021

Differential Revision: https://secure.phabricator.com/D12763