{
  "head" : {
    "version" : 1,
    "generator" : {
      "type" : "org.apache.drill.exec.planner.logical.DrillImplementor",
      "info" : ""
    },
    "type" : "APACHE_DRILL_PHYSICAL",
    "resultMode" : "EXEC"
  },
  "graph" : [ {
    "@id" : 1,
    "pop" : "fs-scan",
    "format" : {
      "type" : "json"
    },
    "storage" : {
      "type" : "file",
      "connection" : "classpath:///",
      "enabled": true
    },
    "files" : [ "#{TEST_FILE}" ]
  }, {
    "pop" : "project",
    "@id" : 2,
    "child" : 1,
    "exprs" : [ {
      "ref" : "castExp",
      "expr" : "cast(#{COLUMN_NAME} as #{TEST_TYPE})"
    } ]
  }, {
    "pop" : "project",
    "@id" : 3,
    "child" : 2,
    "exprs" : [ {
      "ref" : "extractMinute",
      "expr" : "extractMinute(castExp)"
    }, {
      "ref" : "extractHour",
      "expr" : "extractHour(castExp)"
    }, {
      "ref" : "extractDay",
      "expr" : "extractDay(castExp)"
    }, {
      "ref" : "extractMonth",
      "expr" : "extractMonth(castExp)"
    }, {
      "ref" : "extractYear",
      "expr" : "extractYear(castExp)"
    } ]
  }, {
    "@id" : 4,
    "child" : 3,
    "pop" : "screen"
  } ]
}