支持直接访问shard的语法

[jd-zhang]

*Issue migrated from trac ticket # 872 www.kunlunbase.com *

component: computing nodes | priority: major

2022-07-04 17:47:54: smith created the issue

---

** 用途
通过计算节点直接运维存储节点

-* 语法
SEND shardname 'query'

-* 例子

abc=# send shard2 'SELECT t1.a,t1.b,t1.c FROM  abc_$$_public.t1p1 t1 limit 1';
 a  | b | c
----+---+---
 24 | 0 | 0
(1 row)

-* 限制
只有超级用户才能使用

[jd-zhang]

2022-07-06 18:19:13: zhaowei@zettadb.com changed owner from david to smith

[jd-zhang]

2022-07-06 18:19:13: zhaowei@zettadb.com changed status from new to assigned

[jd-zhang]

2022-07-06 18:20:18: zhaowei@zettadb.com changed type from defect to feature

[jd-zhang]

2022-07-07 09:40:54: smith changed status from assigned to accepted