SHOW CREATE MATERIALIZED VIEW
功能
查看指定异步物化视图的定义。
提示
该操作不需要权限。
语法
SHOW CREATE MATERIALIZED VIEW [db_name.]mv_name
参数
| 参数 | 必选 | 说明 |
|---|---|---|
| db_name | 否 | 数据库名称。如不指定，则默认查看当前数据库中指定物化视图的定义。 |
| mv_name | 是 | 待查看定义的物化视图的名称。 |
返回
| 返回 | 说明 |
|---|---|
| Materialized View | 物化视图的名称。 |
| Create Materialized View | 物化视图的定义。 |
示例
示例一：查看指定物化视图定义
MySQL > SHOW CREATE MATERIALIZED VIEW lo_mv1\G
*************************** 1. row ***************************
Materialized View: lo_mv1
Create Materialized View: CREATE MATERIALIZED VIEW `lo_mv1`
COMMENT "MATERIALIZED_VIEW"
DISTRIBUTED BY HASH(`lo_orderkey`) BUCKETS 10
REFRESH ASYNC
PROPERTIES (
"replication_num" = "3",
"storage_medium" = "HDD"
)
AS SELECT `wlc_test`.`lineorder`.`lo_orderkey` AS `lo_orderkey`, `wlc_test`.`lineorder`.`lo_custkey` AS `lo_custkey`, sum(`wlc_test`.`lineorder`.`lo_quantity`) AS `total_quantity`, sum(`wlc_test`.`lineorder`.`lo_revenue`) AS `total_revenue`, count(`wlc_test`.`lineorder`.`lo_shipmode`) AS `shipmode_count` FROM `wlc_test`.`lineorder` GROUP BY `wlc_test`.`lineorder`.`lo_orderkey`, `wlc_test`.`lineorder`.`lo_custkey` ORDER BY `wlc_test`.`lineorder`.`lo_orderkey` ASC ;
1 row in set (0.01 sec)
