{
	"before": {
		"name": "cu_log",
		"columns": [
			{
				"name": "cul_id",
				"comment": "Unique identifier",
				"type": "integer",
				"options": { "autoincrement": true, "notnull": true, "unsigned": true }
			},
			{
				"name": "cul_timestamp",
				"comment": "Timestamp of CheckUser action",
				"type": "mwtimestamp",
				"options": { "notnull": true }
			},
			{
				"name": "cul_actor",
				"comment": "User who performed the action",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "cul_reason",
				"comment": "Reason given",
				"type": "binary",
				"options": {
					"notnull": true,
					"length": 255,
					"default": ""
				}
			},
			{
				"name": "cul_reason_id",
				"comment": "Reason for the check stored as a comment_id. Default of 0 is used to indicate using cul_reason.",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "cul_reason_plaintext_id",
				"comment": "Reason for the check with wikitext removed stored as a comment_id. Default of 0 is used to indicate using cul_reason.",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "cul_type",
				"comment": "String indicating the type of query, may be: 'useredits', 'userips', 'ipedits', 'ipusers', 'ipedits-xff', 'ipusers-xff' or 'investigate' if the check was performed from Special:Investigate",
				"type": "binary",
				"options": { "notnull": true, "length": 30 }
			},
			{
				"name": "cul_target_id",
				"comment": " Integer target, interpretation depends on cul_type For username targets, this is the user_id",
				"type": "integer",
				"options": { "notnull": true, "unsigned": true, "default": 0 }
			},
			{
				"name": "cul_target_text",
				"comment": "Text target, interpretation depends on cul_type",
				"type": "blob",
				"options": { "notnull": true, "length": 65530 }
			},
			{
				"name": "cul_target_hex",
				"comment": "If the target was an IP address, this contains the hexadecimal form of the IP",
				"type": "binary",
				"options": { "notnull": true, "length": 255, "default": "" }
			},
			{
				"name": "cul_range_start",
				"comment": "If the target was an IP range, this field contain the start, in hex form",
				"type": "binary",
				"options": { "notnull": true, "length": 255, "default": "" }
			},
			{
				"name": "cul_range_end",
				"comment": "If the target was an IP range, this field contain the end, in hex form",
				"type": "binary",
				"options": { "notnull": true, "length": 255, "default": "" }
			}
		],
		"indexes": [
			{
				"name": "cul_actor_time",
				"columns": [ "cul_actor", "cul_timestamp" ],
				"unique": false
			},
			{
				"name": "cul_type_target",
				"columns": [ "cul_type", "cul_target_id", "cul_timestamp" ],
				"unique": false
			},
			{
				"name": "cul_target_hex",
				"columns": [ "cul_target_hex", "cul_timestamp" ],
				"unique": false
			},
			{
				"name": "cul_range_start",
				"columns": [ "cul_range_start", "cul_timestamp" ],
				"unique": false
			},
			{
				"name": "cul_timestamp",
				"columns": [ "cul_timestamp" ],
				"unique": false
			}
		],
		"pk": [ "cul_id" ]
	},
	"after": {
		"name": "cu_log",
		"columns": [
			{
				"name": "cul_id",
				"comment": "Unique identifier",
				"type": "integer",
				"options": { "autoincrement": true, "notnull": true, "unsigned": true }
			},
			{
				"name": "cul_timestamp",
				"comment": "Timestamp of CheckUser action",
				"type": "mwtimestamp",
				"options": { "notnull": true }
			},
			{
				"name": "cul_actor",
				"comment": "User who performed the action",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "cul_reason_id",
				"comment": "Reason for the check stored as a comment_id. Default of 0 is used to indicate using cul_reason.",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "cul_reason_plaintext_id",
				"comment": "Reason for the check with wikitext removed stored as a comment_id. Default of 0 is used to indicate using cul_reason.",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "cul_type",
				"comment": "String indicating the type of query, may be: 'useredits', 'userips', 'ipedits', 'ipusers', 'ipedits-xff', 'ipusers-xff' or 'investigate' if the check was performed from Special:Investigate",
				"type": "binary",
				"options": { "notnull": true, "length": 30 }
			},
			{
				"name": "cul_target_id",
				"comment": " Integer target, interpretation depends on cul_type For username targets, this is the user_id",
				"type": "integer",
				"options": { "notnull": true, "unsigned": true, "default": 0 }
			},
			{
				"name": "cul_target_text",
				"comment": "Text target, interpretation depends on cul_type",
				"type": "blob",
				"options": { "notnull": true, "length": 65530 }
			},
			{
				"name": "cul_target_hex",
				"comment": "If the target was an IP address, this contains the hexadecimal form of the IP",
				"type": "binary",
				"options": { "notnull": true, "length": 255, "default": "" }
			},
			{
				"name": "cul_range_start",
				"comment": "If the target was an IP range, this field contain the start, in hex form",
				"type": "binary",
				"options": { "notnull": true, "length": 255, "default": "" }
			},
			{
				"name": "cul_range_end",
				"comment": "If the target was an IP range, this field contain the end, in hex form",
				"type": "binary",
				"options": { "notnull": true, "length": 255, "default": "" }
			}
		],
		"indexes": [
			{
				"name": "cul_actor_time",
				"columns": [ "cul_actor", "cul_timestamp" ],
				"unique": false
			},
			{
				"name": "cul_type_target",
				"columns": [ "cul_type", "cul_target_id", "cul_timestamp" ],
				"unique": false
			},
			{
				"name": "cul_target_hex",
				"columns": [ "cul_target_hex", "cul_timestamp" ],
				"unique": false
			},
			{
				"name": "cul_range_start",
				"columns": [ "cul_range_start", "cul_timestamp" ],
				"unique": false
			},
			{
				"name": "cul_timestamp",
				"columns": [ "cul_timestamp" ],
				"unique": false
			}
		],
		"pk": [ "cul_id" ]
	}
}