INFORMATION_SCHEMA.META_CLUSTER_DPS用于展示数据分布策略。字段名 | 类型 | 描述 |
distribution_policy_id | int unsigned | 数据分布策略的唯一标识 ID |
distribution_policy_name | varchar(64) | 数据分布策略的名称 |
distribution_policy_desc | longtext | 数据分布策略的详细描述信息 |
tdsql > SELECT * FROM INFORMATION_SCHEMA.META_CLUSTER_DPS;+------------------------+--------------------------+-----------------------------------------------------------------------------------+| distribution_policy_id | distribution_policy_name | distribution_policy_desc |+------------------------+--------------------------+-----------------------------------------------------------------------------------+| 101 | **_2 | {"constraints":[{"key":"tdsql-storage-type","op":"in","values":["ssd1","ssd2"]}]} |+------------------------+--------------------------+-----------------------------------------------------------------------------------+
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