test/org/apache/pig/builtin/avro/schema/arraysAsOutputByPig.avsc

{
  "type" : "record",
  "name" : "arrays",
  "namespace" : "org.apache.pig.test.builtin",
  "fields" : [ {
    "name" : "array",
    "type" : [ "null", {
      "type" : "array",
      "items" : {
        "type" : "record",
        "name" : "array",
        "fields" : [ {
          "name" : "array_0",
          "type" : [ "null", "int" ]
        } ]
      }
    } ]
  } ]
}