# Aurora PostgreSQL 函数参考‏‏‏‏‏‏
<a name="Appendix.AuroraPostgreSQL.Functions"></a>

下面，您可以找到适用于运行 Aurora PostgreSQL 兼容版数据库引擎的 Aurora 数据库集群的 Aurora PostgreSQL 函数的列表。这些 Aurora PostgreSQL 函数是标准 PostgreSQL 函数的补充。有关标准 PostgreSQL 函数的更多信息，请参阅 [PostgreSQL–函数和运算符](https://www.postgresql.org/docs/current/functions.html)。

## 概述
<a name="Appendix.AuroraPostgreSQL.Functions.Overview"></a>

您可以为运行 Aurora PostgreSQL 的 Amazon RDS 数据库实例使用以下函数：
+ [aurora\_db\_instance\_identifier](aurora_db_instance_identifier.md)
+ [aurora\_ccm\_status](aurora_ccm_status.md)
+ [aurora\_global\_db\_instance\_status](aurora_global_db_instance_status.md)
+ [aurora\_global\_db\_status](aurora_global_db_status.md)
+ [aurora\_list\_builtins](aurora_list_builtins.md)
+ [aurora\_replica\_status](aurora_replica_status.md)
+ [aurora\_stat\_activity](aurora_stat_activity.md)
+ [aurora\_stat\_backend\_wait](aurora_stat_backend_waits.md)
+ [aurora\_stat\_bgwriter](aurora_stat_bgwriter.md)
+ [aurora\_stat\_database](aurora_stat_database.md)
+ [aurora\_stat\_dml\_activity](aurora_stat_dml_activity.md)
+ [aurora\_stat\_get\_db\_commit\_latency](aurora_stat_get_db_commit_latency.md)
+ [aurora\_stat\_logical\_wal\_cache](aurora_stat_logical_wal_cache.md)
+ [aurora\_stat\_memctx\_usage](aurora_stat_memctx_usage.md)
+ [aurora\_stat\_optimized\_reads\_cache](aurora_stat_optimized_reads_cache.md)
+ [aurora\_stat\_plans](aurora_stat_plans.md)
+ [aurora\_stat\_reset\_wal\_cache](aurora_stat_reset_wal_cache.md)
+ [aurora\_stat\_statements](aurora_stat_statements.md)
+ [aurora\_stat\_system\_waits](aurora_stat_system_waits.md)
+ [aurora\_stat\_wait\_event](aurora_stat_wait_event.md)
+ [aurora\_stat\_wait\_type](aurora_stat_wait_type.md)
+  [aurora\_version](aurora_version.md) 
+ [aurora\_volume\_logical\_start\_lsn](aurora_volume_logical_start_lsn.md)
+ [aurora\_wait\_report](aurora_wait_report.md)