{
    "schema" = <
        "strict" = %true;
        "unique_keys" = %false;
    > [
        {
            "name" = "l_orderkey";
            "required" = %true;
            "sort_order" = "ascending";
            "type" = "int32";
            "type_v3" = "int32";
        };
        {
            "name" = "l_linenumber";
            "required" = %true;
            "sort_order" = "ascending";
            "type" = "int32";
            "type_v3" = "int32";
        };
        {
            "name" = "l_discount";
            "required" = %true;
            "type" = "double";
            "type_v3" = "double";
        };
        {
            "name" = "l_extendedprice";
            "required" = %true;
            "type" = "double";
            "type_v3" = "double";
        };
        {
            "name" = "l_comment";
            "required" = %true;
            "type" = "string";
            "type_v3" = "string";
        };
        {
            "name" = "l_shipdate";
            "required" = %false;
            "type" = "date";
            "type_v3" = {
                "type_name" = "optional";
                "item" = "date";
            };
        };
        {
            "name" = "l_returnflag";
            "required" = %true;
            "type" = "string";
            "type_v3" = "string";
        };
        {
            "name" = "l_partkey";
            "required" = %true;
            "type" = "int32";
            "type_v3" = "int32";
        };
        {
            "name" = "l_tax";
            "required" = %true;
            "type" = "double";
            "type_v3" = "double";
        };
        {
            "name" = "l_shipinstruct";
            "required" = %true;
            "type" = "string";
            "type_v3" = "string";
        };
        {
            "name" = "l_commitdate";
            "required" = %false;
            "type" = "date";
            "type_v3" = {
                "type_name" = "optional";
                "item" = "date";
            };
        };
        {
            "name" = "l_receiptdate";
            "required" = %false;
            "type" = "date";
            "type_v3" = {
                "type_name" = "optional";
                "item" = "date";
            };
        };
        {
            "name" = "l_quantity";
            "required" = %true;
            "type" = "double";
            "type_v3" = "double";
        };
        {
            "name" = "l_suppkey";
            "required" = %true;
            "type" = "int32";
            "type_v3" = "int32";
        };
        {
            "name" = "l_shipmode";
            "required" = %true;
            "type" = "string";
            "type_v3" = "string";
        };
        {
            "name" = "l_linestatus";
            "required" = %true;
            "type" = "string";
            "type_v3" = "string";
        };
    ];
}