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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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7
src/backend/utils/adt/arrayfuncs.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.161 2009/09/04 11:20:22 heikki Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.162 2009/12/19 00:47:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -328,6 +328,11 @@ array_in(PG_FUNCTION_ARGS)
SET_VARSIZE(retval, nbytes);
retval->ndim = ndim;
retval->dataoffset = dataoffset;
/*
* This comes from the array's pg_type.typelem (which points to the
* base data type's pg_type.oid) and stores system oids in user tables.
* This oid must be preserved by binary upgrades.
*/
retval->elemtype = element_type;
memcpy(ARR_DIMS(retval), dim, ndim * sizeof(int));
memcpy(ARR_LBOUND(retval), lBound, ndim * sizeof(int));

6
src/backend/utils/adt/enum.c
View File

@@ -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);

7
src/backend/utils/adt/rowtypes.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/rowtypes.c,v 1.25 2009/06/11 14:49:04 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/rowtypes.c,v 1.26 2009/12/19 00:47:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -97,6 +97,11 @@ record_in(PG_FUNCTION_ARGS)
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("input of anonymous composite types is not implemented")));
tupTypmod = -1; /* for all non-anonymous types */
/*
* This comes from the composite type's pg_type.oid and
* stores system oids in user tables, specifically DatumTupleFields.
* This oid must be preserved by binary upgrades.
*/
tupdesc = lookup_rowtype_tupdesc(tupType, tupTypmod);
ncolumns = tupdesc->natts;