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pg_upgrade: improve instructions for fixing incompatible isn use 

This clarifies instructions on how to dump/reload databases that use
incompatible isn versions.

Reported-by: Alvaro Herrera

Discussion: https://postgr.es/m/20191114190652.GA23586@alvherre.pgsql

Reviewed-by: Daniel Gustafsson <daniel@yesql.se>

Backpatch-through: 13
This commit is contained in:
Bruce Momjian 2019-11-27 20:24:57 -05:00
parent f6f59826f0
commit f0b57aec1d
1 changed files with 3 additions and 3 deletions
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6
src/bin/pg_upgrade/check.c
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@ -887,9 +887,9 @@ check_for_isn_and_int8_passing_mismatch(ClusterInfo *cluster)
pg_fatal("Your installation contains \"contrib/isn\" functions which rely on the\n"
"bigint data type. Your old and new clusters pass bigint values\n"
"differently so this cluster cannot currently be upgraded. You can\n"
"manually upgrade databases that use \"contrib/isn\" facilities and remove\n"
"\"contrib/isn\" from the old cluster and restart the upgrade. A list of\n"
"the problem functions is in the file:\n"
"manually dump databases in the old cluster that use \"contrib/isn\"\n"
"facilities, drop them, perform the upgrade, and then restore them. A\n"
"list of the problem functions is in the file:\n"
" %s\n\n", output_path);
}
else