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Tighten short-circuit tests for deciding whether we need to invoke

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tuptoaster.c --- fields that are compressed in-line are not a reason
to invoke the toaster.  Along the way, add a couple more htup.h macros
to eliminate confusing negated tests, and get rid of the already
vestigial TUPLE_TOASTER_ACTIVE symbol.
This commit is contained in:
Tom Lane
2004-01-16 20:51:30 +00:00
parent b89744198e
commit 0966516b75
4 changed files with 26 additions and 31 deletions
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8
src/include/access/htup.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/htup.h,v 1.63 2003/11/29 22:40:55 pgsql Exp $
* $PostgreSQL: pgsql/src/include/access/htup.h,v 1.64 2004/01/16 20:51:30 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -436,9 +436,15 @@ typedef HeapTupleData *HeapTuple;
*/
#define HeapTupleIsValid(tuple) PointerIsValid(tuple)
#define HeapTupleHasNulls(tuple) \
(((tuple)->t_data->t_infomask & HEAP_HASNULL) != 0)
#define HeapTupleNoNulls(tuple) \
(!((tuple)->t_data->t_infomask & HEAP_HASNULL))
#define HeapTupleHasVarWidth(tuple) \
(((tuple)->t_data->t_infomask & HEAP_HASVARWIDTH) != 0)
#define HeapTupleAllFixed(tuple) \
(!((tuple)->t_data->t_infomask & HEAP_HASVARWIDTH))