pg_available_extension_versions

The pg_available_extension_versions view lists the specific extension versions that are available for installation. See also the pg_extension catalog, which shows the extensions currently installed.

首次收录 PG 9.1最近收录 PG 19当前字段 9

9.0 9.1 9.2 9.3 9.4 9.5 9.6 10 11 12 13 14 15 16 17 18 19^β3

已与 PostgreSQL 18.6 实例逐字段核对 · 原始实测记录 ↗

字段结构 PostgreSQL 18

pg_available_extension_versions

字段 / COLUMN	类型 / TYPE	说明 / DESCRIPTION
`name`	`name`	Extension name
`version`	`text`	Version name
`installed`	`boolean`文档原写法：`bool`	True if this version of this extension is currently installed
`superuser`	`boolean`文档原写法：`bool`	True if only superusers are allowed to install this extension (but see trusted)
`trusted`	`boolean`文档原写法：`bool`	True if the extension can be installed by non-superusers with appropriate privileges
`relocatable`	`boolean`文档原写法：`bool`	True if extension can be relocated to another schema
`schema`	`name`	Name of the schema that the extension must be installed into, or NULL if partially or fully relocatable
`requires`	`name[]`	Names of prerequisite extensions, or NULL if none
`comment`	`text`	Comment string from the extension's control file

标记“隐式列”的字段不包含在 SELECT * 中；部分早期统计视图由同版本源码补全，额外来源会显示在字段说明中。

字段演化矩阵

悬停查看字段类型

存在新增 / 类型或属性变化移除

字段 / COLUMN	9.0	9.1	9.2	9.3	9.4	9.5	9.6	10	11	12	13	14	15	16	17	18
`name`	–
`version`	–
`installed`	–
`superuser`	–
`relocatable`	–
`schema`	–
`requires`	–
`comment`	–
`trusted`	–	–	–	–	–	–	–	–	–	–
`location`	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–

9.0 是收录基线；基线中已存在的字段不标记为新增。矩阵按字段名称对齐，重命名显示为旧字段移除与新字段新增。

演化时间线

相邻大版本的变化

PostgreSQL 19 ← 18

+ location

PostgreSQL 13 ← 12

+ trusted1 处字段说明更新

PostgreSQL 9.1 ← 9.0新增目录

+ name+ version+ installed+ superuser+ relocatable+ schema+ requires+ comment

比较任意两个版本

起始版本 / FROM目标版本 / TO包含描述更新

选择两个版本，查看字段的新增、移除与类型变化。交互比较需要 JavaScript；演化时间线可直接阅读。