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-rw-r--r--src/include/storage/bufpage.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/include/storage/bufpage.h b/src/include/storage/bufpage.h
index befb6b0849..6df6cdf734 100644
--- a/src/include/storage/bufpage.h
+++ b/src/include/storage/bufpage.h
@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: bufpage.h,v 1.13 1997/09/08 21:54:20 momjian Exp $
+ * $Id: bufpage.h,v 1.14 1998/01/13 04:05:11 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@@ -86,6 +86,9 @@
*
* note that this is actually limited to 2^13 because we have limited
* ItemIdData.lp_off and ItemIdData.lp_len to 13 bits (see itemid.h).
+ *
+ * uint16 is still valid, but the limit has been raised to 15 bits.
+ * 06 Jan 98 - darrenk
*/
typedef uint16 LocationIndex;
@@ -98,6 +101,9 @@ typedef uint16 LocationIndex;
* page header, opaque space and a minimal tuple;
* on the high end, we can only support pages up
* to 8KB because lp_off/lp_len are 13 bits.
+ *
+ * see above comment. Now use 15 bits and pages
+ * up to 32KB at your own risk.
*/
typedef struct OpaqueData
{
@@ -191,8 +197,11 @@ typedef enum
*
* XXX currently all page sizes are "valid" but we only actually
* use BLCKSZ.
+ *
+ * 01/06/98 Now does something useful. darrenk
+ *
*/
-#define PageSizeIsValid(pageSize) 1
+#define PageSizeIsValid(pageSize) ((pageSize) == BLCKSZ)
/*
* PageGetPageSize --