pg_split_walfile_name

Extracts the sequence number and timeline ID from a WAL file name.

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

Extracts the sequence number and timeline ID from a WAL file name.

Signatures and overloads

pg_split_walfile_name ( file_name text ) → record ( segment_number numeric, timeline_id bigint ) → record

Extracts the sequence number and timeline ID from a WAL file name.

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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-20261023:531b64a3af3e6505ede6e9730b59d4bf6244a9d30274590d7591e54637a9eab1

Text language: en · wiki-repair-20261023:531b64a3af3e6505ede6e9730b59d4bf6244a9d30274590d7591e54637a9eab1