More work to support nullable foreign keys

Adds nullable int/uint types

Author: jc21

backend/embed/migrations/mysql/20201013035318_initial_schema.sql

@@ -116,7 +116,7 @@ CREATE TABLE IF NOT EXISTS `certificate`
 	`dns_provider_id` INT, -- 0, for a http or custom cert
 	`name` VARCHAR(50) NOT NULL,
 	`domain_names` TEXT NOT NULL,
-	`expires_on` INT DEFAULT 0,
+	`expires_on` BIGINT NOT NULL DEFAULT 0,
 	`status` VARCHAR(50) NOT NULL, -- ready,requesting,failed,provided
 	`error_message` TEXT NOT NULL,
 	`meta` TEXT NOT NULL,
@@ -205,7 +205,7 @@ CREATE TABLE IF NOT EXISTS `access_list`
 	FOREIGN KEY (`user_id`) REFERENCES `user`(`id`) ON DELETE CASCADE
 );
 
-CREATE TABLE IF NOT EXISTS host
+CREATE TABLE IF NOT EXISTS `host`
 (
 	`id` INT AUTO_INCREMENT PRIMARY KEY,
 	`created_at` BIGINT NOT NULL DEFAULT 0,

backend/embed/migrations/postgres/20201013035318_initial_schema.sql

@@ -102,7 +102,7 @@ CREATE TABLE "certificate" (
 	"dns_provider_id" INTEGER REFERENCES "dns_provider"("id") ON DELETE CASCADE, -- 0, for a http or custom cert
 	"name" VARCHAR(50) NOT NULL,
 	"domain_names" TEXT NOT NULL,
-	"expires_on" INTEGER DEFAULT 0,
+	"expires_on" BIGINT NOT NULL DEFAULT 0,
 	"status" VARCHAR(50) NOT NULL, -- ready,requesting,failed,provided
 	"error_message" TEXT NOT NULL DEFAULT '',
 	"meta" TEXT NOT NULL,