Simon Riggs wrote:

> OK, so it can;t be copied to a longer lived memory context?

CopySnapshot always copies snapshots to SnapshotContext, which is a
context that lives until transaction end.  There's no mechanism for
copying a snapshot into another context, because I don't see the need.

If you need that ability, please explain.

Alvaro Herrera                      
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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