{
  "head" : {
    "version" : 1,
    "generator" : {
      "type" : "DefaultSqlHandler",
      "info" : ""
    },
    "type" : "APACHE_DRILL_PHYSICAL",
    "options" : [ {
      "name" : "planner.width.max_per_node",
      "kind" : "LONG",
      "type" : "SESSION",
      "num_val" : 2
    } ],
    "queue" : 0,
    "resultMode" : "EXEC"
  },
  "graph" : [ {
    "pop" : "fs-scan",
    "@id" : 1,
    "files" : [ "/store/json/schema_change_int_to_string.json" ],
    "storage" : {
      "type" : "file",
      "enabled" : true,
      "connection" : "classpath:///",
      "workspaces" : null,
      "formats" : {
        "json" : {
          "type" : "json"
        },
        "parquet" : {
          "type" : "parquet"
        }
      }
    },
    "format" : {
      "type" : "json"
    },
    "columns" : [ "`field_1`", "`field_3`.`inner_1`", "`field_3`.`inner_2`", "`field_4`.`inner_1`", "`non_existent_at_root`", "`non_existent`.`nested`.`field`"],
    "selectionRoot" : "/store/json/schema_change_int_to_string.json",
    "cost" : 0.0
  }, {
    "pop" : "screen",
    "@id" : 0,
    "child" : 1,
    "initialAllocation" : 1000000,
    "maxAllocation" : 10000000000,
    "cost" : 1.0
  } ]
}