初步尝试tidb
1.在mac 上安装 Docker for Mac 略，傻瓜一样的装上了，怎么装的忘记了。
接下来按tidb github 主页提示 敲三行命令。
1. docker pull pingcap/tidb:latest
2.docker run --name tidb-server -d -p 4000:4000 pingcap/tidb:latest
3. mysql -h 127.0.0.1 -P 4000 -u root -D test --prompt="tidb> "
跟mysql 一样使用
tidb> show databases;
+--------------------+
| Database |
+--------------------+
| INFORMATION_SCHEMA |
| PERFORMANCE_SCHEMA |
| mysql |
| test |
+--------------------+
4 rows in set (0.00 sec)
tidb> create database yantesttidb;
Query OK, 0 rows affected (0.01 sec)
tidb> use yantesttidb;
Database changed
tidb> ctidb>
tidb> create table testtimestamp1(u varchar(100),updatetime timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP);
Query OK, 0 rows affected (0.00 sec)
tidb> show create table testtimestamp1;
+----------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table |
+----------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
| testtimestamp1 | CREATE TABLE `testtimestamp1` (
`u` varchar(100) DEFAULT NULL,
`updatetime` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB |
+----------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
tidb> quit
Bye
shenhai:~ yan$ mysql -h 127.0.0.1 -P 4000 -u root -D test --prompt="tidb> "
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.1-TiDB-1.0 MySQL Community Server (GPL)
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
tidb> show databases;
+--------------------+
| Database |
+--------------------+
| INFORMATION_SCHEMA |
| PERFORMANCE_SCHEMA |
| mysql |
| test |
| yantesttidb |
+--------------------+
5 rows in set (0.00 sec)
tidb> use yantesttidb;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
tidb> insert into testtimestamp1 (u) values ('uiui');
Query OK, 1 row affected (0.00 sec)
tidb> select * from testtimestamp1;
+------+---------------------+
| u | updatetime |
+------+---------------------+
| uiui | 2017-02-08 15:23:28 |
+------+---------------------+
1 row in set (0.00 sec)
tidb> explain select * from testtimestamp1;
+-------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+
| ID | Json | ParentID |
+-------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+
| TableScan_3 | {
"db": "yantesttidb",
"table": "testtimestamp1",
"desc": false,
"keep order": false,
"push down info": {
"limit": 0,
"access conditions": null,
"index filter conditions": null,
"table filter conditions": null
}
} | |
+-------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+
1 row in set (0.00 sec)