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pg_visible_in_snapshot

Is the given transaction ID visible according to this snapshot (that is, was it completed before the snapshot was taken)? Note that this function will not give the correct answer for a subtransaction ID (subxid); see Section 67.3 for details.

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

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Definition PG 18

Is the given transaction ID visible according to this snapshot (that is, was it completed before the snapshot was taken)? Note that this function will not give the correct answer for a subtransaction ID (subxid); see Section 67.3 for details.

Signatures and overloads

pg_visible_in_snapshot ( xid8, pg_snapshot ) → boolean → boolean
Is the given transaction ID visible according to this snapshot (that is, was it completed before the snapshot was taken)? Note that this function will not give the correct answer for a subtransaction ID (subxid); see Section 67.3 for details.

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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-20261023:970bbbfa9bb8db6ae0fd0ea31588ef267104154c244f7f270f762c84516e1227

Text language: en · wiki-repair-20261023:970bbbfa9bb8db6ae0fd0ea31588ef267104154c244f7f270f762c84516e1227