{
    head:{
        type:"APACHE_DRILL_PHYSICAL",
        version:"1",
        generator:{
            type:"manual"
        }
    },
    graph:[
        {
            @id:1,
            pop:"mock-sub-scan",
            url: "http://apache.org",
            entries:[
                {records: 5, types: [
                  {name: "float4col", type: "FLOAT4", mode: "REQUIRED"},
                  {name: "bigintcol", type: "BIGINT", mode: "REQUIRED"},
                  {name: "intcol", type: "INT", mode: "REQUIRED"},
                  {name: "float4col", type: "FLOAT4", mode: "REQUIRED"},
                  {name: "float8col", type: "FLOAT8", mode: "REQUIRED"},
                  {name: "varcharcol", type: "VARCHAR", mode: "REQUIRED"}
             ]}
            ]
        },
        {
            @id:2,
            child: 1,
            pop:"project",
            exprs: [
                { ref: "bigintcol", expr:"bigintcol" },
                { ref: "bigintcast1", expr:"cast(bigintcol as varbinary(10))" },
                { ref: "bigintcast2", expr:"cast(bigintcol as varbinary(30))" },
                { ref: "bigintcast3", expr:"cast(bigintcol as varbinary(2))" },
                { ref: "intcol", expr:"intcol" },
                { ref: "intcast1", expr:"cast(intcol as varbinary(10))" },
                { ref: "intcast2", expr:"cast(intcol as varbinary(2))" },
                { ref: "float4col", expr:"float4col" },
                { ref: "float4cast1", expr:"cast(float4col as varbinary(2))" },
                { ref: "float4cast2", expr:"cast(float4col as varbinary(15))" },
                { ref: "float8col", expr:"float8col" },
                { ref: "float8cast1", expr:"cast(float8col as varbinary(2))" },
                { ref: "float8cast2", expr:"cast(float8col as varbinary(15))" },
                { ref: "varcharcol", expr:"varcharcol" },
                { ref: "varchar_cast1", expr:"cast(varcharcol as varbinary(30))" },
                { ref: "varchar_cast2", expr:"cast(varcharcol as varbinary(2))" },
                { ref: "int_lit_cast", expr:"cast(123 as varbinary(5))" }
            ]
        },
        {
            @id: 3,
            child: 2,
            pop: "screen"
        }
    ]
}