[
	{
		"name": "loginnotify_seen_net",
		"comment": "Summary of subnets used by local or global users",
		"columns": [
			{
				"name": "lsn_id",
				"comment": "Primary key",
				"type": "integer",
				"options": {
					"unsigned": true,
					"notnull": true,
					"autoincrement": true
				}
			},
			{
				"name": "lsn_time_bucket",
				"comment": "Time since epoch divided by the bucket duration, e.g. 15 days",
				"type": "smallint",
				"options": {
					"unsigned": true,
					"notnull": true
				}
			},
			{
				"name": "lsn_user",
				"comment": "globaluser.gu_id or user.user_id (CentralIdLookup)",
				"type": "integer",
				"options": {
					"unsigned": true,
					"notnull": true
				}
			},
			{
				"name": "lsn_subnet",
				"comment": "Truncated hash of IP address subnet",
				"type": "bigint",
				"options": {
					"notnull": true
				}
			}
		],
		"indexes": [
			{
				"name": "loginnotify_seen_net_user",
				"comment": "To check if the subnet is known, on login or before insertion.",
				"columns": [ "lsn_user", "lsn_subnet", "lsn_time_bucket" ],
				"unique": true
			}
		],
		"pk": [ "lsn_id" ]
	},
	{
		"name": "loginnotify_purge_claim",
		"comment": ""
	}
]