摘要: ## 如何加快对json数据的查询 1. 创建虚拟列 ```sql add column `column_name` varchat(32) generated always as (json_unquote(json_extract(`json_column`,'$.column'))) virt 阅读全文
posted @ 2023-07-12 11:01 FromZeroToOne 阅读(3) 评论(0) 推荐(0) 编辑