pg_walfile_name

Converts a write-ahead log location to the name of the WAL file holding that location.

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

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group: admin
group label: 系统管理函数
lang: en
layout: table-new
pages: functions-admin.html
prose only: false

Definition PG 18

Converts a write-ahead log location to the name of the WAL file holding that location.

Signatures and overloads

pg_walfile_name ( lsn pg_lsn ) → text → text

Converts a write-ahead log location to the name of the WAL file holding that location.

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Complete source facts

documentation revision

{"inputs":[{"file":"functions-admin.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"885561d57facd49c33b44a50e320a002197d700d118784cc87d6410efadbd1f6","version":"18.7"},{"file":"functions-admin.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"830e894d29fec30b7c350c915fcaed4a63b24d57f2c96150bf25fa07fb43849c","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"}

Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:53481a4620691d7ac74677ede7588d03d95cc255dd53fc85780c37d5db2b5b0d

Text language: en · wiki-repair-20261023:53481a4620691d7ac74677ede7588d03d95cc255dd53fc85780c37d5db2b5b0d