xy720 09eb40e356 [New Stmt] Alter replication number for table (#3360) ...

This CL add new command to set replication number of table in one time.
```
alter table test_tbl set ("replication_num" = "3");
```
It changes replication num of a unpartitioned table.

and

```
alter table test_tbl set ("default.replication_num" = "3");
```

It changes default replication num of the specified table.

2020-04-23 21:58:09 +08:00

..

cn

[New Stmt] Alter replication number for table (#3360)

2020-04-23 21:58:09 +08:00

en

[New Stmt] Alter replication number for table (#3360)

2020-04-23 21:58:09 +08:00