{
    "1": {
        "method": "dropIndex",
        "params": [
            "core_members_warn_logs",
            "content"
        ]
    },
    "2": {
        "method": "addIndex",
        "params": [
            "core_members_warn_logs",
            {
                "type": "key",
                "name": "content",
                "columns": [
                    "wl_content_app",
                    "wl_content_module",
                    "wl_content_id1",
                    "wl_content_id2"
                ],
                "length": [
                    null,
                    null,
                    null,
                    null
                ]
            }
        ]
    },
    "3": {
        "method": "dropColumn",
        "params": [
            "core_pfields_data",
            "pf_icon"
        ]
    },
    "4": {
        "method": "dropColumn",
        "params": [
            "core_pfields_data",
            "pf_key"
        ]
    }
}