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Add pg_upgrade ENABLE_SAME_CATVERSION_UPGRADES macro for testing to 

allow upgrades of the same catalog version.  (Doesn't work for
tablespaces, as indicated by C comment.)
This commit is contained in:
Bruce Momjian 2011-11-23 22:45:50 -05:00
parent 604d4c4c95
commit 5df1403b0f
1 changed files with 2 additions and 0 deletions
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2
contrib/pg_upgrade/check.c
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@ -242,8 +242,10 @@ check_cluster_versions(void)
* We can't allow downgrading because we use the target pg_dumpall, and
* pg_dumpall cannot operate on new database versions, only older versions.
*/
#ifndef ENABLE_SAME_CATVERSION_UPGRADES /* does not allow tablespace upgrades */
if (old_cluster.major_version > new_cluster.major_version)
pg_log(PG_FATAL, "This utility cannot be used to downgrade to older major PostgreSQL versions.\n");
#endif
/* get old and new binary versions */
get_bin_version(&old_cluster);