{
    "1": {
        "method": "addColumn",
        "params": [
            "core_message_topics",
            {
                "name": "mt_alert",
                "type": "BIGINT",
                "length": null,
                "decimals": null,
                "values": null,
                "allow_null": true,
                "default": null,
                "comment": "",
                "unsigned": true,
                "auto_increment": false
            }
        ]
    },
    "2": {
        "method": "createTable",
        "params": [
            {
                "name": "core_alerts",
                "columns": {
                    "alert_id": {
                        "name": "alert_id",
                        "type": "BIGINT",
                        "length": "20",
                        "decimals": null,
                        "values": null,
                        "allow_null": false,
                        "default": 0,
                        "comment": "ID Number",
                        "unsigned": true,
                        "auto_increment": true
                    },
                    "alert_member_id": {
                        "name": "alert_member_id",
                        "type": "BIGINT",
                        "length": null,
                        "decimals": null,
                        "values": null,
                        "allow_null": true,
                        "default": null,
                        "comment": "",
                        "unsigned": true,
                        "auto_increment": false
                    },
                    "alert_title": {
                        "name": "alert_title",
                        "type": "VARCHAR",
                        "length": 255,
                        "decimals": null,
                        "values": null,
                        "allow_null": false,
                        "default": null,
                        "comment": "",
                        "unsigned": false,
                        "auto_increment": false
                    },
                    "alert_content": {
                        "name": "alert_content",
                        "type": "TEXT",
                        "length": null,
                        "decimals": null,
                        "values": null,
                        "allow_null": false,
                        "default": null,
                        "comment": "",
                        "unsigned": false,
                        "auto_increment": false
                    },
                    "alert_seo_title": {
                        "name": "alert_seo_title",
                        "type": "VARCHAR",
                        "length": 255,
                        "decimals": null,
                        "values": null,
                        "allow_null": false,
                        "default": null,
                        "comment": "",
                        "unsigned": false,
                        "auto_increment": false
                    },
                    "alert_end": {
                        "name": "alert_end",
                        "type": "INT",
                        "length": null,
                        "decimals": null,
                        "values": null,
                        "allow_null": false,
                        "default": 0,
                        "comment": "",
                        "unsigned": true,
                        "auto_increment": false
                    },
                    "alert_start": {
                        "name": "alert_start",
                        "type": "INT",
                        "length": null,
                        "decimals": null,
                        "values": null,
                        "allow_null": false,
                        "default": 0,
                        "comment": "",
                        "unsigned": true,
                        "auto_increment": false
                    },
                    "alert_recipient_type": {
                        "name": "alert_recipient_type",
                        "type": "ENUM",
                        "length": null,
                        "decimals": null,
                        "values": [
                            "user",
                            "group"
                        ],
                        "allow_null": false,
                        "default": "user",
                        "comment": "",
                        "unsigned": false,
                        "auto_increment": false
                    },
                    "alert_recipient_user": {
                        "name": "alert_recipient_user",
                        "type": "BIGINT",
                        "length": null,
                        "decimals": null,
                        "values": null,
                        "allow_null": true,
                        "default": null,
                        "comment": "",
                        "unsigned": true,
                        "auto_increment": false
                    },
                    "alert_recipient_group": {
                        "name": "alert_recipient_group",
                        "type": "VARCHAR",
                        "length": 255,
                        "decimals": null,
                        "values": null,
                        "allow_null": true,
                        "default": null,
                        "comment": "",
                        "unsigned": false,
                        "auto_increment": false
                    },
                    "alert_anonymous": {
                        "name": "alert_anonymous",
                        "type": "TINYINT",
                        "length": null,
                        "decimals": null,
                        "values": null,
                        "allow_null": false,
                        "default": 0,
                        "comment": "",
                        "unsigned": true,
                        "auto_increment": false
                    }
                },
                "indexes": {
                    "PRIMARY": {
                        "type": "primary",
                        "name": "PRIMARY",
                        "columns": [
                            "alert_id"
                        ],
                        "length": [
                            null
                        ]
                    }
                }
            }
        ]
    },
    "3": {
        "method": "addColumn",
        "params": [
            "core_members",
            {
                "name": "latest_alert",
                "type": "INT",
                "length": null,
                "decimals": null,
                "values": null,
                "allow_null": false,
                "default": 0,
                "comment": "Indicates the last alert that was viewed",
                "unsigned": true,
                "auto_increment": false
            }
        ]
    },
    "4": {
        "method": "addColumn",
        "params": [
            "core_alerts",
            {
                "name": "alert_reply",
                "type": "TINYINT",
                "length": null,
                "decimals": null,
                "values": null,
                "allow_null": false,
                "default": 0,
                "comment": "",
                "unsigned": true,
                "auto_increment": false
            }
        ]
    },
    "5": {
        "method": "addColumn",
        "params": [
            "core_alerts",
            {
                "name": "alert_viewed",
                "type": "INT",
                "length": null,
                "decimals": null,
                "values": null,
                "allow_null": false,
                "default": 0,
                "comment": "The number of times this alert has been viewed",
                "unsigned": true,
                "auto_increment": false
            }
        ]
    },
    "6": {
        "method": "addColumn",
        "params": [
            "core_alerts",
            {
                "name": "alert_show_to",
                "type": "VARCHAR",
                "length": 50,
                "decimals": null,
                "values": null,
                "allow_null": false,
                "default": "all",
                "comment": "",
                "unsigned": false,
                "auto_increment": false
            }
        ]
    },
    "7": {
        "method": "addIndex",
        "params": [
            "core_alerts",
            {
                "type": "key",
                "name": "alert_end",
                "columns": [
                    "alert_end"
                ],
                "length": [
                    null
                ]
            }
        ]
    }
}