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Force pg_upgrade's to preserve pg_class.oid, not pg_class.relfilenode.

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Toast tables have identical pg_class.oid and pg_class.relfilenode, but
for clarity it is good to preserve the pg_class.oid.

Update comments regarding what is preserved, and do some
variable/function renaming for clarity.
This commit is contained in:
Bruce Momjian
2011-01-07 21:25:34 -05:00
parent 541fc3d4df
commit 2896c87ce4
10 changed files with 112 additions and 106 deletions
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contrib/pg_upgrade/info.c
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@ -266,7 +266,7 @@ get_rel_infos(ClusterInfo *cluster, DbInfo *dbinfo)
/*
* pg_largeobject contains user data that does not appear the pg_dumpall
* --schema-only output, so we have to upgrade that system table heap and
* --schema-only output, so we have to copy that system table heap and
* index. Ideally we could just get the relfilenode from template1 but
* pg_largeobject_loid_pn_index's relfilenode can change if the table was
* reindexed so we get the relfilenode for each database and upgrade it as