pg_trgm 正则表达式索引
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。
附加模块 (contrib)
说明
现在可以使用 contrib/pg_trgm 中的 GIN 索引对正则表达式建立索引。
所选版本: PostgreSQL 18
不支持
比较版本
原始文档链接
相关来源快照条目 · 此关系来自原始来源；两组矩阵各自保留独立状态。
完整来源事实与出处
legacy · center · eb619e28960b1d5dfa71684ee9ba3f92766d2c6636d4232ea0c809d544a5e9d9
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