摘要: select LENGTH(type) - LENGTH(replace(type,'_','')) as counts from sa_log_olap where type like 'XX_XXXX_%' CASE WHEN LENGTH(type) - LENGTH(replace(type 阅读全文
posted @ 2019-01-04 16:38 小魔魔 阅读(1406) 评论(0) 推荐(0) 编辑