diff options
Diffstat (limited to 'contrib/pg_upgrade/pg_upgrade.c')
| -rw-r--r-- | contrib/pg_upgrade/pg_upgrade.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/contrib/pg_upgrade/pg_upgrade.c b/contrib/pg_upgrade/pg_upgrade.c index 9a5ef0fd205..42da3ea0df7 100644 --- a/contrib/pg_upgrade/pg_upgrade.c +++ b/contrib/pg_upgrade/pg_upgrade.c @@ -19,7 +19,9 @@ * in a cluster, but they can diverge due to CLUSTER, REINDEX, or VACUUM * FULL. The new cluster will have matching pg_class.oid and * pg_class.relfilenode values and be based on the old oid value. This can - * cause the old and new pg_class.relfilenode values to differ. + * cause the old and new pg_class.relfilenode values to differ. In summary, + * old and new pg_class.oid and new pg_class.relfilenode will have the + * same value, and old pg_class.relfilenode might differ. * * We control all assignments of pg_type.oid because these oids are stored * in user composite type values. |