avroの中に配列入れる方法がよくわからなかったのでメモ これが参考になりました。 java - How to create schema containing list of objects using Avro? - Stack Overflow こんな感じの親子関係を avroで定義したいとき、 class Child { String id; String name; } class Parent { String name; list<Child> children; } { "name": "Parent", "type":"record", "fields":[ { "name": "name", "type": "string" }, { "name":"children", "type":{ "type": "array", "items":{ "name":"Child
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