`range_agg` 范围类型聚合函数
已记录的来源状态与原始语言说明；缺少版本证据时明确标为未知。
来源快照记录 PostgreSQL 8.1–18 的变化节点；历史矩阵独立记录 7.4–18 的状态。两者均未记录 PostgreSQL 19 或 20 的支持状态，较新版本明确保留为未知。这些来源声明与运行测量相互独立。
SQL
说明
范围类型现在可以通过 range_agg 聚合函数在 GROUP BY 等场景中进行聚合。
所选版本: PostgreSQL 18
支持
比较版本
原始文档链接
已记录旧标识: 366
完整来源事实与出处
yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd
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