通过 obclient 探索 OceanBase MySQL 租户

在 obclient 命令行环境里，可以通过一些命令或者 SQL 查看数据库对象或者表属性和数据。

示例

通过 obclient 查看 MySQL 租户的数据库对象。

#obclient -h192.168.1.101 -utpcc@obmysql#obdemo -P2883 -p123456 -A tpccdb

obclient> show tables;
+------------------+
| Tables_in_tpccdb |
+------------------+
| cust             |
| dist             |
| hist             |
| item             |
| load_hist        |
| load_proc        |
| nord             |
| ordl             |
| ordr             |
| stock_item       |
| stok             |
| ware             |
+------------------+
12 rows in set (0.01 sec)

通过 obclient 查看 MySQL 租户的表属性

obclient> desc ordl;
+----------------+--------------+------+-----+---------+-------+
| Field          | Type         | Null | Key | Default | Extra |
+----------------+--------------+------+-----+---------+-------+
| ol_w_id        | int(11)      | NO   | PRI | NULL    |       |
| ol_d_id        | int(11)      | NO   | PRI | NULL    |       |
| ol_o_id        | int(11)      | NO   | PRI | NULL    |       |
| ol_number      | int(11)      | NO   | PRI | NULL    |       |
| ol_delivery_d  | date         | YES  |     | NULL    |       |
| ol_amount      | decimal(6,2) | YES  |     | NULL    |       |
| ol_i_id        | int(11)      | YES  |     | NULL    |       |
| ol_supply_w_id | int(11)      | YES  |     | NULL    |       |
| ol_quantity    | int(11)      | YES  |     | NULL    |       |
| ol_dist_info   | char(24)     | YES  |     | NULL    |       |
+----------------+--------------+------+-----+---------+-------+
10 rows in set (0.01 sec)

obclient> show create table ordl\G
*************************** 1. row ***************************
       Table: ordl
Create Table: CREATE TABLE `ordl` (
  `ol_w_id` int(11) NOT NULL,
  `ol_d_id` int(11) NOT NULL,
  `ol_o_id` int(11) NOT NULL,
  `ol_number` int(11) NOT NULL,
  `ol_delivery_d` date DEFAULT NULL,
  `ol_amount` decimal(6,2) DEFAULT NULL,
  `ol_i_id` int(11) DEFAULT NULL,
  `ol_supply_w_id` int(11) DEFAULT NULL,
  `ol_quantity` int(11) DEFAULT NULL,
  `ol_dist_info` char(24) DEFAULT NULL,
  PRIMARY KEY (`ol_w_id`, `ol_d_id`, `ol_o_id`, `ol_number`)
) DEFAULT CHARSET = utf8mb4 ROW_FORMAT = DYNAMIC COMPRESSION = 'zstd_1.0' REPLICA_NUM = 1 BLOCK_SIZE = 16384 USE_BLOOM_FILTER = FALSE TABLET_SIZE = 134217728 PCTFREE = 10 TABLEGROUP = 'tpcc_group'
 partition by hash(ol_w_id) partitions 6

1 row in set (0.02 sec)

通过 obclient 查看 MySQL 租户的表数据

obclient> select * from ware;
+------+---------+--------+------------+---------------------+----------------------+--------------+---------+-----------+
| w_id | w_ytd   | w_tax  | w_name     | w_street_1          | w_street_2           | w_city       | w_state | w_zip     |
+------+---------+--------+------------+---------------------+----------------------+--------------+---------+-----------+
|    1 | 1200.00 | 0.1868 | n1P4zYo8OH | jTNkXKWXOdh         | lf9QXTXXGoF04IZBkCP7 | srRq15uvxe5  | GQ      | 506811111 |
|    2 | 1200.00 | 0.0862 | L6xwRsbDk  | xEdT1jkENtbLwoI1Zb0 | NT0j4RCQ4OqrS        | vlwzndw2FPrO | XR      | 063311111 |
+------+---------+--------+------------+---------------------+----------------------+--------------+---------+-----------+
2 rows in set (0.01 sec)

也可以使用参数'\G'结尾按列展示每行数据

obclient> select * from ware\G
*************************** 1. row ***************************
      w_id: 1
     w_ytd: 1200.00
     w_tax: 0.1868
    w_name: n1P4zYo8OH
w_street_1: jTNkXKWXOdh
w_street_2: lf9QXTXXGoF04IZBkCP7
    w_city: srRq15uvxe5
   w_state: GQ
     w_zip: 506811111
*************************** 2. row ***************************
      w_id: 2
     w_ytd: 1200.00
     w_tax: 0.0862
    w_name: L6xwRsbDk
w_street_1: xEdT1jkENtbLwoI1Zb0
w_street_2: NT0j4RCQ4OqrS
    w_city: vlwzndw2FPrO
   w_state: XR
     w_zip: 063311111
2 rows in set (0.01 sec)
obclient>

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通过 obclient 探索 OceanBase MySQL 租户

示例

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