pg_advisory_xact_lock

Obtains an exclusive transaction-level advisory lock, waiting if necessary.

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

Obtains an exclusive transaction-level advisory lock, waiting if necessary.

Signatures and overloads

pg_advisory_xact_lock ( key bigint ) → void → void

Obtains an exclusive transaction-level advisory lock, waiting if necessary.

pg_advisory_xact_lock ( key1 integer, key2 integer ) → void → void

Obtains an exclusive transaction-level advisory lock, waiting if necessary.

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Complete source facts

documentation revision

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Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:d7e41db35a735adbd03fe957abc2789f2529e0586a76da072cdc4258055f94c2

Text language: en · wiki-repair-20261023:d7e41db35a735adbd03fe957abc2789f2529e0586a76da072cdc4258055f94c2