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singleton optimising
[idzebra-moved-to-github.git]
/
isamc
/
isamd-p.h
diff --git
a/isamc/isamd-p.h
b/isamc/isamd-p.h
index
c27a78e
..
746c14c
100644
(file)
--- a/
isamc/isamd-p.h
+++ b/
isamc/isamd-p.h
@@
-1,4
+1,4
@@
-/* $Id: isamd-p.h,v 1.6 1999-08-25 18:09:23 heikki Exp $
+/* $Id: isamd-p.h,v 1.8 1999-09-23 18:01:18 heikki Exp $
* Copyright (c) 1995-1996, Index Data.
* See the file LICENSE for details.
* Heikki Levanto
* Copyright (c) 1995-1996, Index Data.
* See the file LICENSE for details.
* Heikki Levanto
@@
-72,8
+72,8
@@
struct ISAMD_PP_s {
int cat; /* category of this block */
int pos; /* block number of this block */
int next; /* number of the next block */
int cat; /* category of this block */
int pos; /* block number of this block */
int next; /* number of the next block */
- int diffs; /* either block or offset (in head) of start of diffs */
- /* will not be used in the improved version! */
+ int diffs; /* not used in the modern isam-d, but kept for stats compatibility */
+ /* never stored on disk, though */
ISAMD is;
void *decodeClientData; /* delta-encoder's own data */
ISAMD_DIFF diffinfo;
ISAMD is;
void *decodeClientData; /* delta-encoder's own data */
ISAMD_DIFF diffinfo;
@@
-86,9
+86,9
@@
struct ISAMD_PP_s {
/* == 8 */
#define ISAMD_BLOCK_OFFSET_1 (sizeof(int) + \
sizeof(ISAMD_BLOCK_SIZE) + \
/* == 8 */
#define ISAMD_BLOCK_OFFSET_1 (sizeof(int) + \
sizeof(ISAMD_BLOCK_SIZE) + \
- sizeof(int) + \
sizeof(ISAMD_BLOCK_SIZE))
sizeof(ISAMD_BLOCK_SIZE))
-/* == 16 */
+/* == 12 (was 16) */
+// sizeof(int) +
int isamd_alloc_block (ISAMD is, int cat);
int isamd_alloc_block (ISAMD is, int cat);
@@
-97,6
+97,11
@@
int isamd_read_block (ISAMD is, int cat, int pos, char *dst);
int isamd_write_block (ISAMD is, int cat, int pos, char *src);
void isamd_free_diffs(ISAMD_PP pp);
int isamd_write_block (ISAMD is, int cat, int pos, char *src);
void isamd_free_diffs(ISAMD_PP pp);
+int is_singleton(ISAMD_P ipos);
+void singleton_decode (int code, struct it_key *k);
+int singleton_encode(struct it_key *k);
+
+
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
}
#endif
@@
-105,7
+110,13
@@
void isamd_free_diffs(ISAMD_PP pp);
/*
* $Log: isamd-p.h,v $
/*
* $Log: isamd-p.h,v $
- * Revision 1.6 1999-08-25 18:09:23 heikki
+ * Revision 1.8 1999-09-23 18:01:18 heikki
+ * singleton optimising
+ *
+ * Revision 1.7 1999/09/20 15:48:06 heikki
+ * Small changes
+ *
+ * Revision 1.6 1999/08/25 18:09:23 heikki
* Starting to optimize
*
* Revision 1.5 1999/08/20 12:25:58 heikki
* Starting to optimize
*
* Revision 1.5 1999/08/20 12:25:58 heikki