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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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63
contrib/pg_upgrade_support/pg_upgrade_support.c
View File

@ -21,29 +21,36 @@ PG_MODULE_MAGIC;
#endif
extern PGDLLIMPORT Oid binary_upgrade_next_pg_type_oid;
extern PGDLLIMPORT Oid binary_upgrade_next_pg_type_array_oid;
extern PGDLLIMPORT Oid binary_upgrade_next_pg_type_toast_oid;
extern PGDLLIMPORT Oid binary_upgrade_next_heap_relfilenode;
extern PGDLLIMPORT Oid binary_upgrade_next_toast_relfilenode;
extern PGDLLIMPORT Oid binary_upgrade_next_index_relfilenode;
extern PGDLLIMPORT Oid binary_upgrade_next_array_pg_type_oid;
extern PGDLLIMPORT Oid binary_upgrade_next_toast_pg_type_oid;
extern PGDLLIMPORT Oid binary_upgrade_next_heap_pg_class_oid;
extern PGDLLIMPORT Oid binary_upgrade_next_index_pg_class_oid;
extern PGDLLIMPORT Oid binary_upgrade_next_toast_pg_class_oid;
extern PGDLLIMPORT Oid binary_upgrade_next_pg_enum_oid;
Datum set_next_pg_type_oid(PG_FUNCTION_ARGS);
Datum set_next_pg_type_array_oid(PG_FUNCTION_ARGS);
Datum set_next_pg_type_toast_oid(PG_FUNCTION_ARGS);
Datum set_next_heap_relfilenode(PG_FUNCTION_ARGS);
Datum set_next_toast_relfilenode(PG_FUNCTION_ARGS);
Datum set_next_index_relfilenode(PG_FUNCTION_ARGS);
Datum set_next_array_pg_type_oid(PG_FUNCTION_ARGS);
Datum set_next_toast_pg_type_oid(PG_FUNCTION_ARGS);
Datum set_next_heap_pg_class_oid(PG_FUNCTION_ARGS);
Datum set_next_index_pg_class_oid(PG_FUNCTION_ARGS);
Datum set_next_toast_pg_class_oid(PG_FUNCTION_ARGS);
Datum set_next_pg_enum_oid(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(set_next_pg_type_oid);
PG_FUNCTION_INFO_V1(set_next_pg_type_array_oid);
PG_FUNCTION_INFO_V1(set_next_pg_type_toast_oid);
PG_FUNCTION_INFO_V1(set_next_heap_relfilenode);
PG_FUNCTION_INFO_V1(set_next_toast_relfilenode);
PG_FUNCTION_INFO_V1(set_next_index_relfilenode);
PG_FUNCTION_INFO_V1(set_next_array_pg_type_oid);
PG_FUNCTION_INFO_V1(set_next_toast_pg_type_oid);
PG_FUNCTION_INFO_V1(set_next_heap_pg_class_oid);
PG_FUNCTION_INFO_V1(set_next_index_pg_class_oid);
PG_FUNCTION_INFO_V1(set_next_toast_pg_class_oid);
PG_FUNCTION_INFO_V1(set_next_pg_enum_oid);
Datum
set_next_pg_type_oid(PG_FUNCTION_ARGS)
{
@ -55,51 +62,51 @@ set_next_pg_type_oid(PG_FUNCTION_ARGS)
}
Datum
set_next_pg_type_array_oid(PG_FUNCTION_ARGS)
set_next_array_pg_type_oid(PG_FUNCTION_ARGS)
{
Oid typoid = PG_GETARG_OID(0);
binary_upgrade_next_pg_type_array_oid = typoid;
binary_upgrade_next_array_pg_type_oid = typoid;
PG_RETURN_VOID();
}
Datum
set_next_pg_type_toast_oid(PG_FUNCTION_ARGS)
set_next_toast_pg_type_oid(PG_FUNCTION_ARGS)
{
Oid typoid = PG_GETARG_OID(0);
binary_upgrade_next_pg_type_toast_oid = typoid;
binary_upgrade_next_toast_pg_type_oid = typoid;
PG_RETURN_VOID();
}
Datum
set_next_heap_relfilenode(PG_FUNCTION_ARGS)
set_next_heap_pg_class_oid(PG_FUNCTION_ARGS)
{
Oid relfilenode = PG_GETARG_OID(0);
Oid reloid = PG_GETARG_OID(0);
binary_upgrade_next_heap_relfilenode = relfilenode;
binary_upgrade_next_heap_pg_class_oid = reloid;
PG_RETURN_VOID();
}
Datum
set_next_toast_relfilenode(PG_FUNCTION_ARGS)
set_next_index_pg_class_oid(PG_FUNCTION_ARGS)
{
Oid relfilenode = PG_GETARG_OID(0);
Oid reloid = PG_GETARG_OID(0);
binary_upgrade_next_toast_relfilenode = relfilenode;
binary_upgrade_next_index_pg_class_oid = reloid;
PG_RETURN_VOID();
}
Datum
set_next_index_relfilenode(PG_FUNCTION_ARGS)
set_next_toast_pg_class_oid(PG_FUNCTION_ARGS)
{
Oid relfilenode = PG_GETARG_OID(0);
Oid reloid = PG_GETARG_OID(0);
binary_upgrade_next_index_relfilenode = relfilenode;
binary_upgrade_next_toast_pg_class_oid = reloid;
PG_RETURN_VOID();
}