.show database cache query_results.show database cache query_results
返回一个表，显示针对上下文数据库的查询结果缓存有关的统计信息。Returns a table showing statistics related to the query results cache made against the context database.
语法Syntax
.show database cache query_results
输出Output
| 输出参数Output parameter | 类型Type | 说明Description |
|---|---|---|
| NodeIdNodeId | string |
群集节点的标识符。Identifier of the cluster node. |
| 命中数Hits | long |
缓存命中次数。The number of cache hits. |
| 未命中数Misses | long |
缓存失误次数。The number of cache misses. |
| CacheCapacityInBytesCacheCapacityInBytes | long |
缓存容量（以字节为单位）。The cache capacity in bytes. |
| UsedBytesUsedBytes | long |
缓存使用的空间。The cache used space. |
| 计数Count | long |
缓存中存储的唯一查询结果的数量。The number of unique query results stored in the cache. |