From 471f23fd58db1f7e2c3c02c8c1fe3cc866bdac0c Mon Sep 17 00:00:00 2001 From: WANG MINGMING Date: Fri, 30 Sep 2022 14:26:54 +0800 Subject: [PATCH] Update 03-opentsdb-telnet.mdx --- .../07-develop/03-insert-data/03-opentsdb-telnet.mdx | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/docs/zh/07-develop/03-insert-data/03-opentsdb-telnet.mdx b/docs/zh/07-develop/03-insert-data/03-opentsdb-telnet.mdx index 8d097e3f65..b008953c0b 100644 --- a/docs/zh/07-develop/03-insert-data/03-opentsdb-telnet.mdx +++ b/docs/zh/07-develop/03-insert-data/03-opentsdb-telnet.mdx @@ -81,6 +81,10 @@ taos> select tbname, * from `meters.current`; t_7e7b26dd860280242c6492a16... | 2022-03-28 09:56:51.250 | 12.600000000 | 2 | California.SanFrancisco | Query OK, 4 row(s) in set (0.005399s) ``` -## 查询示例： -想要查询 location=California.LosAngeles groupid=3 的数据，可以通过如下sql: -select * from `meters.voltage` where location="California.LosAngeles" and groupid=3 + +## SQL查询示例 +- `meters.current` 是插入数据的超级表名 +- 可以通过超级表的tag来过滤数据，比如查询 `location=California.LosAngeles groupid=3` 可以通过如下sql： +``` cmd +select * from `meters.current` where location="California.LosAngeles" and groupid=3 +```