[
	{
		"name": "discussiontools_subscription",
		"columns": [
			{
				"name": "sub_id",
				"type": "integer",
				"options": {
					"autoincrement": true,
					"unsigned": true,
					"notnull": true
				}
			},
			{
				"name": "sub_item",
				"comment": "Internal name used to identify this item across all pages and revisions where it might appear, see CommentParser::computeName()",
				"type": "string",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "sub_namespace",
				"comment": "Namespace of the page where this item appeared when the user subscribed to it",
				"type": "integer",
				"options": {
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "sub_title",
				"comment": "Title of the page where this item appeared when the user subscribed to it",
				"type": "string",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "sub_section",
				"comment": "Section of the page where this item appeared when the user subscribed to it",
				"type": "string",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "sub_state",
				"comment": "0: unsubscribed; 1: subscribed",
				"type": "integer",
				"options": {
					"notnull": true,
					"default": 1,
					"length": 1
				}
			},
			{
				"name": "sub_user",
				"comment": "User who is subscribed, key to user.user_id",
				"type": "integer",
				"options": {
					"unsigned": true,
					"notnull": true
				}
			},
			{
				"name": "sub_created",
				"comment": "Time when this subscription was created",
				"type": "mwtimestamp",
				"options": {
					"notnull": true
				}
			},
			{
				"name": "sub_notified",
				"comment": "Time when a notification about the item was last sent",
				"type": "mwtimestamp",
				"options": {
					"notnull": false
				}
			}
		],
		"indexes": [
			{
				"name": "discussiontools_subscription_itemuser",
				"comment": "Index for finding all users subscribed to an item, or a specific subscription",
				"columns": [
					"sub_item",
					"sub_user"
				],
				"unique": true
			},
			{
				"name": "discussiontools_subscription_user",
				"comment": "Index for finding all subscriptions of the user",
				"columns": [
					"sub_user"
				],
				"unique": false
			}
		],
		"pk": [
			"sub_id"
		]
	}
]