json
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Clickhouse JSON 칼럼개발/데이터베이스 2025. 10. 27. 17:12
How we built a new powerful JSON data type for ClickHouseWe’re excited to introduce our new and significantly enhanced JSON data type, purpose-built to deliver high-performance handling of JSON data. Our core engineer, Pavel Kruglov, dives into how we built this feature on top of ClickHouse's columnar storage.clickhouse.com공식 블로그 글을 읽고 공부했던 내용을 정리했다Variant Variant 칼럼이란게 있다. 기존 구조에서는 칼럼에는 하나의 데이터..
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Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 15 path $.documents개발 2021. 3. 15. 18:23
안드로이드 개발중 Gson과 Retrofit을 이용해 Json 데이터를 주고 받을 때 이런 에러를 보게 되는 경우가 있다 Caused by: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 15 path $.documents at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:224) at com.google.gson.internal.bind.ReflectiveTypeAdapterFa..