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pg_export_snapshot

Saves the transaction's current snapshot and returns a text string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.

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

Reading PG 18·Select a recorded version

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

Saves the transaction's current snapshot and returns a text string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.

Signatures and overloads

pg_export_snapshot () → text → text
Saves the transaction's current snapshot and returns a text string identifying the snapshot. This string must be passed (outside the database) to clients that want to import the snapshot. The snapshot is available for import only until the end of the transaction that exported it.

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Complete source facts

documentation revision

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Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:3041433230781b061f794114672227460c79a03bcbd6fdbda7f6a3057506fe60

Text language: en · wiki-repair-20261023:3041433230781b061f794114672227460c79a03bcbd6fdbda7f6a3057506fe60