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Pg_upgrade C comment addition. 

Document why we do the missing new database check during the check
phase.
This commit is contained in:
Bruce Momjian 2011-04-20 05:44:45 -04:00
parent 2b919118c2
commit 0262251c33
1 changed files with 3 additions and 1 deletions
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4
contrib/pg_upgrade/check.c
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@ -372,7 +372,9 @@ check_new_cluster_is_empty(void)
* the new cluster has a 'postgres' database, the number of databases
* will not match. We actually could upgrade such a setup, but it would
* violate the 1-to-1 mapping of database counts, so we throw an error
* instead.
* instead. We would detect this as a database count mismatch during
* upgrade, but we want to detect it during the check phase and report
* the database name.
*/
static void
check_old_cluster_has_new_cluster_dbs(void)