Hi, > These functions cannot be executed during recovery (except > <function>pg_is_in_backup</function>, > <function>pg_backup_start_time</function> > and <function>pg_wal_lsn_diff</function>).
Regarding backup control functions, the func.sgml describes as above. But non-exclusive pg_start_backup and pg_stop_backup can also be executed during recovery, and which should be described in the doc. So I think that the attached patch should be pushed. Thought? Probably the patch needs to be back-patched to 9.6 where non-exclusive backup API was added. Regards, -- Fujii Masao
backup-doc.patch
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