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binary migration: pg_migrator

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Add comments about places where system oids have to be preserved for
binary migration.
This commit is contained in:
Bruce Momjian
2009-12-19 00:47:57 +00:00
parent 2e9468f2c8
commit 78a09145e0
5 changed files with 29 additions and 5 deletions
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6
src/backend/utils/adt/enum.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/enum.c,v 1.7 2009/01/01 17:23:49 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/enum.c,v 1.8 2009/12/19 00:47:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -56,6 +56,10 @@ enum_in(PG_FUNCTION_ARGS)
format_type_be(enumtypoid),
name)));
/*
* This comes from pg_enum.oid and stores system oids in user tables.
* This oid must be preserved by binary upgrades.
*/
enumoid = HeapTupleGetOid(tup);
ReleaseSysCache(tup);