{
    "1": {
        "method": "dropColumn",
        "params": [
            "nexus_shipping",
            "s_cost"
        ]
    },
    "2": {
        "method": "dropColumn",
        "params": [
            "nexus_shipping",
            "s_weight"
        ]
    },
    "3": {
        "method": "addColumn",
        "params": [
            "nexus_shipping",
            {
                "name": "s_locations",
                "type": "TEXT",
                "allow_null": false,
                "default": ""
            }
        ]
    },
    "4": {
        "method": "addColumn",
        "params": [
            "nexus_shipping",
            {
                "name": "s_type",
                "type": "CHAR",
                "allow_null": false,
                "default": ""
            }
        ]
    },
    "5": {
        "method": "addColumn",
        "params": [
            "nexus_shipping",
            {
                "name": "s_rates",
                "type": "TEXT",
                "allow_null": false,
                "default": ""
            }
        ]
    },
    "6": {
        "method": "addColumn",
        "params": [
            "nexus_shipping",
            {
                "name": "s_tax",
                "type": "INT",
                "length": 5,
                "allow_null": false,
                "default": 0
            }
        ]
    },
    "7": {
        "method": "addColumn",
        "params": [
            "nexus_purchases",
            {
                "name": "ps_invoice_pending",
                "type": "TINYINT",
                "length": 1,
                "allow_null": false,
                "default": 0
            }
        ]
    }
}