STATISTICS VIEW · 统计视图

pg_stat_database_conflicts

The pg_stat_database_conflicts view will contain one row per database, showing database-wide statistics about query cancels occurring due to conflicts with recovery on standby servers. This view will only contain information on standby servers, since conflicts do not occur on primary servers.

首次收录 PG 9.1最近收录 PG 19当前字段 8

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_stat_database_conflicts

字段 / COLUMN	类型 / TYPE	说明 / DESCRIPTION
`datid`	`oid`	OID of a database
`datname`	`name`	Name of this database
`confl_tablespace`	`bigint`	Number of queries in this database that have been canceled due to dropped tablespaces
`confl_lock`	`bigint`	Number of queries in this database that have been canceled due to lock timeouts
`confl_snapshot`	`bigint`	Number of queries in this database that have been canceled due to old snapshots
`confl_bufferpin`	`bigint`	Number of queries in this database that have been canceled due to pinned buffers
`confl_deadlock`	`bigint`	Number of queries in this database that have been canceled due to deadlocks
`confl_active_logicalslot`	`bigint`	Number of uses of logical slots in this database that have been canceled due to old snapshots or too low a wal_level on the primary

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
`datid`	–
`datname`	–
`confl_tablespace`	–
`confl_lock`	–
`confl_snapshot`	–
`confl_bufferpin`	–
`confl_deadlock`	–
`confl_active_logicalslot`	–	–	–	–	–	–	–	–	–	–	–	–	–
`stats_reset`	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–

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

+ stats_reset

PostgreSQL 16 ← 15

+ confl_active_logicalslot

PostgreSQL 14 ← 13

目录说明更新

PostgreSQL 13 ← 12

目录说明更新

PostgreSQL 12 ← 11

目录说明更新

PostgreSQL 10 ← 9.6

目录说明更新

PostgreSQL 9.6 ← 9.5

目录说明更新

PostgreSQL 9.5 ← 9.4

目录说明更新

PostgreSQL 9.4 ← 9.3

目录说明更新

PostgreSQL 9.2 ← 9.1

目录说明更新

PostgreSQL 9.1 ← 9.0新增目录

+ datid+ datname+ confl_tablespace+ confl_lock+ confl_snapshot+ confl_bufferpin+ confl_deadlock

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。