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query_cache_size

更新时间：2026-03-10 16:01:20

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说明

该变量从 V2.1 版本开始引入。

功能描述

query_cache_size 用于设置分配给存储历史查询结果的内存，即尚未使用的内存，单位为 Byte。

说明

该变量当前暂不生效。

属性说明

属性	描述
参数类型	Uint
默认值	0
取值范围	[0, 18446744073709551615]
生效范围	Global

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