35 lines
1.4 KiB
SQL
35 lines
1.4 KiB
SQL
CREATE TABLE `relay_migrations` (
|
|
`id` text PRIMARY KEY NOT NULL,
|
|
`tenant_id` text NOT NULL,
|
|
`source_node_id` text NOT NULL,
|
|
`target_node_id` text NOT NULL,
|
|
`source_generation` integer NOT NULL,
|
|
`target_generation` integer NOT NULL,
|
|
`state` text DEFAULT 'quiescing' NOT NULL,
|
|
`backup_ref` text,
|
|
`manifest_sha256` text,
|
|
`requested_by` text NOT NULL,
|
|
`reason` text NOT NULL,
|
|
`started_at` text NOT NULL,
|
|
`updated_at` text NOT NULL,
|
|
`switched_at` text,
|
|
`completed_at` text,
|
|
`last_error_code` text,
|
|
FOREIGN KEY (`tenant_id`) REFERENCES `tenant_instances`(`id`) ON UPDATE no action ON DELETE no action,
|
|
FOREIGN KEY (`source_node_id`) REFERENCES `relay_nodes`(`id`) ON UPDATE no action ON DELETE no action,
|
|
FOREIGN KEY (`target_node_id`) REFERENCES `relay_nodes`(`id`) ON UPDATE no action ON DELETE no action,
|
|
CHECK (`target_generation` = `source_generation` + 1),
|
|
CHECK (`source_node_id` <> `target_node_id`),
|
|
CHECK (`state` IN ('quiescing', 'copying', 'switching', 'draining', 'completed', 'failed'))
|
|
);
|
|
--> statement-breakpoint
|
|
CREATE UNIQUE INDEX `idx_relay_migrations_one_active`
|
|
ON `relay_migrations` (`tenant_id`)
|
|
WHERE `state` IN ('quiescing', 'copying', 'switching', 'draining');
|
|
--> statement-breakpoint
|
|
CREATE INDEX `idx_relay_migrations_source_state`
|
|
ON `relay_migrations` (`source_node_id`, `state`, `updated_at`);
|
|
--> statement-breakpoint
|
|
CREATE INDEX `idx_relay_migrations_target_state`
|
|
ON `relay_migrations` (`target_node_id`, `state`, `updated_at`);
|