{
	"comment": "Set unsigned true for ipb_id and ipb_parent_block_id in ipblocks table",
	"before": {
		"name": "ipblocks",
		"comment": "Blocks against user accounts, IP addresses and IP ranges.",
		"columns": [
			{
				"name": "ipb_id",
				"comment": "Primary key, introduced for privacy.",
				"type": "integer",
				"options": {
					"autoincrement": true,
					"notnull": true
				}
			},
			{
				"name": "ipb_address",
				"comment": "Blocked IP address in dotted-quad form or user name.",
				"type": "blob",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "ipb_user",
				"comment": "Blocked user ID or 0 for IP blocks.",
				"type": "integer",
				"options": {
					"unsigned": true,
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "ipb_by_actor",
				"comment": "Actor who made the block.",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true
				}
			},
			{
				"name": "ipb_reason_id",
				"comment": "Key to comment_id. Text comment made by blocker.",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true
				}
			},
			{
				"name": "ipb_timestamp",
				"comment": "Creation (or refresh) date in standard YMDHMS form. IP blocks expire automatically.",
				"type": "mwtimestamp",
				"options": {
					"notnull": true
				}
			},
			{
				"name": "ipb_auto",
				"comment": "Indicates that the IP address was banned because a banned user accessed a page through it. If this is 1, ipb_address will be hidden, and the block identified by block ID number.",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_anon_only",
				"comment": "If set to 1, block applies only to logged-out users",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_create_account",
				"comment": "Block prevents account creation from matching IP addresses",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 1
				}
			},
			{
				"name": "ipb_enable_autoblock",
				"comment": "Block triggers autoblocks",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 1
				}
			},
			{
				"name": "ipb_expiry",
				"comment": "Time at which the block will expire. May be \"infinity\"",
				"type": "mwtimestamp",
				"options": {
					"notnull": true,
					"CustomSchemaOptions": {
						"allowInfinite": true
					}
				}
			},
			{
				"name": "ipb_range_start",
				"comment": "Start of an address range, in hexadecimal size chosen to allow IPv6. FIXME: this field were originally blank for single-IP blocks, but now it's populated. No migration was ever done. It should be fixed to be blank again for such blocks (T51504).",
				"type": "blob",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "ipb_range_end",
				"comment": "End of an address range, in hexadecimal size chosen to allow IPv6. FIXME: this field were originally blank for single-IP blocks, but now it's populated. No migration was ever done. It should be fixed to be blank again for such blocks (T51504).",
				"type": "blob",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "ipb_deleted",
				"comment": "Flag for entries hidden from users and Sysops",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_block_email",
				"comment": "Block prevents user from accessing Special:Emailuser",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_allow_usertalk",
				"comment": "Block allows user to edit their own talk page",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_parent_block_id",
				"comment": "ID of the block that caused this block to exist. Autoblocks set this to the original block so that the original block being deleted also deletes the autoblocks",
				"type": "integer",
				"options": {
					"notnull": false,
					"default": null
				}
			},
			{
				"name": "ipb_sitewide",
				"comment": "Block user from editing any page on the site (other than their own user talk page).",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 1
				}
			}
		],
		"indexes": [
			{
				"name": "ipb_address_unique",
				"comment": "Unique index to support \"user already blocked\" messages. Any new options which prevent collisions should be included",
				"columns": [
					"ipb_address",
					"ipb_user",
					"ipb_auto"
				],
				"unique": true,
				"options": { "lengths": [ 255, null, null ] }
			},
			{
				"name": "ipb_user",
				"comment": "For querying whether a logged-in user is blocked",
				"columns": [
					"ipb_user"
				],
				"unique": false
			},
			{
				"name": "ipb_range",
				"comment": "For querying whether an IP address is in any range",
				"columns": [
					"ipb_range_start",
					"ipb_range_end"
				],
				"unique": false,
				"options": { "lengths": [ 8, 8 ] }
			},
			{
				"name": "ipb_timestamp",
				"comment": "Index for Special:BlockList",
				"columns": [
					"ipb_timestamp"
				],
				"unique": false
			},
			{
				"name": "ipb_expiry",
				"comment": "Index for table pruning",
				"columns": [
					"ipb_expiry"
				],
				"unique": false
			},
			{
				"name": "ipb_parent_block_id",
				"comment": "Index for removing autoblocks when a parent block is removed",
				"columns": [
					"ipb_parent_block_id"
				],
				"unique": false
			}
		],
		"pk": [
			"ipb_id"
		]
	},
	"after": {
		"name": "ipblocks",
		"comment": "Blocks against user accounts, IP addresses and IP ranges.",
		"columns": [
			{
				"name": "ipb_id",
				"comment": "Primary key, introduced for privacy.",
				"type": "integer",
				"options": {
					"autoincrement": true,
					"notnull": true,
					"unsigned": true
				}
			},
			{
				"name": "ipb_address",
				"comment": "Blocked IP address in dotted-quad form or user name.",
				"type": "blob",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "ipb_user",
				"comment": "Blocked user ID or 0 for IP blocks.",
				"type": "integer",
				"options": {
					"unsigned": true,
					"notnull": true,
					"default": 0
				}
			},
			{
				"name": "ipb_by_actor",
				"comment": "Actor who made the block.",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true
				}
			},
			{
				"name": "ipb_reason_id",
				"comment": "Key to comment_id. Text comment made by blocker.",
				"type": "bigint",
				"options": {
					"unsigned": true,
					"notnull": true
				}
			},
			{
				"name": "ipb_timestamp",
				"comment": "Creation (or refresh) date in standard YMDHMS form. IP blocks expire automatically.",
				"type": "mwtimestamp",
				"options": {
					"notnull": true
				}
			},
			{
				"name": "ipb_auto",
				"comment": "Indicates that the IP address was banned because a banned user accessed a page through it. If this is 1, ipb_address will be hidden, and the block identified by block ID number.",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_anon_only",
				"comment": "If set to 1, block applies only to logged-out users",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_create_account",
				"comment": "Block prevents account creation from matching IP addresses",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 1
				}
			},
			{
				"name": "ipb_enable_autoblock",
				"comment": "Block triggers autoblocks",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 1
				}
			},
			{
				"name": "ipb_expiry",
				"comment": "Time at which the block will expire. May be \"infinity\"",
				"type": "mwtimestamp",
				"options": {
					"notnull": true,
					"CustomSchemaOptions": {
						"allowInfinite": true
					}
				}
			},
			{
				"name": "ipb_range_start",
				"comment": "Start of an address range, in hexadecimal size chosen to allow IPv6. FIXME: this field were originally blank for single-IP blocks, but now it's populated. No migration was ever done. It should be fixed to be blank again for such blocks (T51504).",
				"type": "blob",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "ipb_range_end",
				"comment": "End of an address range, in hexadecimal size chosen to allow IPv6. FIXME: this field were originally blank for single-IP blocks, but now it's populated. No migration was ever done. It should be fixed to be blank again for such blocks (T51504).",
				"type": "blob",
				"options": {
					"notnull": true,
					"length": 255
				}
			},
			{
				"name": "ipb_deleted",
				"comment": "Flag for entries hidden from users and Sysops",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_block_email",
				"comment": "Block prevents user from accessing Special:Emailuser",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_allow_usertalk",
				"comment": "Block allows user to edit their own talk page",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 0
				}
			},
			{
				"name": "ipb_parent_block_id",
				"comment": "ID of the block that caused this block to exist. Autoblocks set this to the original block so that the original block being deleted also deletes the autoblocks",
				"type": "integer",
				"options": {
					"notnull": false,
					"unsigned": true,
					"default": null
				}
			},
			{
				"name": "ipb_sitewide",
				"comment": "Block user from editing any page on the site (other than their own user talk page).",
				"type": "mwtinyint",
				"options": {
					"notnull": true,
					"length": 1,
					"default": 1
				}
			}
		],
		"indexes": [
			{
				"name": "ipb_address_unique",
				"comment": "Unique index to support \"user already blocked\" messages. Any new options which prevent collisions should be included",
				"columns": [
					"ipb_address",
					"ipb_user",
					"ipb_auto"
				],
				"unique": true,
				"options": { "lengths": [ 255, null, null ] }
			},
			{
				"name": "ipb_user",
				"comment": "For querying whether a logged-in user is blocked",
				"columns": [
					"ipb_user"
				],
				"unique": false
			},
			{
				"name": "ipb_range",
				"comment": "For querying whether an IP address is in any range",
				"columns": [
					"ipb_range_start",
					"ipb_range_end"
				],
				"unique": false,
				"options": { "lengths": [ 8, 8 ] }
			},
			{
				"name": "ipb_timestamp",
				"comment": "Index for Special:BlockList",
				"columns": [
					"ipb_timestamp"
				],
				"unique": false
			},
			{
				"name": "ipb_expiry",
				"comment": "Index for table pruning",
				"columns": [
					"ipb_expiry"
				],
				"unique": false
			},
			{
				"name": "ipb_parent_block_id",
				"comment": "Index for removing autoblocks when a parent block is removed",
				"columns": [
					"ipb_parent_block_id"
				],
				"unique": false
			}
		],
		"pk": [
			"ipb_id"
		]
	}
}