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Wiki / Functions

pg_snapshot_xmax

Returns the xmax of a snapshot.

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
info
group label
系统信息函数和操作符
lang
en
layout
table-new
pages
functions-info.html
prose only
false

Definition PG 18

Returns the xmax of a snapshot.

Signatures and overloads

pg_snapshot_xmax ( pg_snapshot ) → xid8 → xid8
Returns the xmax of a snapshot.

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Complete source facts

documentation revision

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Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:103347a93b21d28a42662c307229ebdf50c5f158efc2c05af15fc8b53fb6c70b

Text language: en · wiki-repair-20261023:103347a93b21d28a42662c307229ebdf50c5f158efc2c05af15fc8b53fb6c70b