{
  "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" : "file:///",
      "enabled": true
    },
    "files" : [ "#{TEST_FILE_1}" ]
  }, {
    "@id" : 2,
    "pop" : "fs-scan",
    "format" : {
      "type" : "json"
    },
    "storage" : {
      "type" : "file",
      "connection" : "file:///",
      "enabled": true
    },
    "files" : [ "#{TEST_FILE_2}" ]
  }, {
    "pop" : "project",
    "@id" : 3,
    "exprs" : [ {
      "ref" : "A",
      "expr" : "A"
    }, {
      "ref" : "CCOL",
      "expr" : "C"
    } ],
    "child" : 1
  }, {
    "pop" : "project",
    "@id" : 4,
    "exprs" : [ {
      "ref" : "B",
      "expr" : "B"
    }, {
      "ref" : "DCOL",
      "expr" : "D"
    } ],
    "child" : 2
  }, {
    "@id" : 5,
    "right" : 3,
    "left" : 4,
    "pop" : "hash-join",
    "conditions" : [ {
      "relationship" : "==",
      "left" : "B",
      "right" : "A"
    } ],
    "joinType" : "INNER"
  }, {
    "@id" : 6,
    "child" : 5,
    "pop" : "screen"
  } ]
}