database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

support for HA_READ_PREFIX_LAST_OR_PREV in headres

Browse Source 
full support for HA_READ_PREFIX_LAST_OR_PREV in MyISAM
protected by #if NOT_IMPLEMENTED_YET in opt_range.cc as not all table handlers support it


BitKeeper/etc/ignore:
  Added configure.lineno innobase/configure.lineno innobase/stamp-h1 myisam/rt_test.MYD myisam/rt_test.MYI stamp-h1 to the ignore list
include/my_base.h:
  support for HA_READ_PREFIX_LAST_OR_PREV
myisam/mi_search.c:
  full support of HA_READ_PREFIX_LAST_OR_PREV in MyISAM
myisam/mi_static.c:
  full support of HA_READ_PREFIX_LAST_OR_PREV in MyISAM
sql/opt_range.cc:
  support for HA_READ_PREFIX_LAST_OR_PREV
  protected by #if NOT_IMPLEMENTED_YET, not all table handlers support it
sql/sql_handler.cc:
  support for HA_READ_PREFIX_LAST_OR_PREV
This commit is contained in:
unknown
2002-10-25 14:09:47 +00:00
parent 372b26e778
commit 14e6526a0b
6 changed files with 35 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
include/my_base.h
View File

@ -50,13 +50,14 @@
/* The following is parameter to ha_rkey() how to use key */
enum ha_rkey_function {
HA_READ_KEY_EXACT, /* Find first record else error */
HA_READ_KEY_OR_NEXT, /* Record or next record */
HA_READ_KEY_OR_PREV, /* Record or previous */
HA_READ_AFTER_KEY, /* Find next rec. after key-record */
HA_READ_BEFORE_KEY, /* Find next rec. before key-record */
HA_READ_PREFIX, /* Key which as same prefix */
HA_READ_PREFIX_LAST, /* Last key with the same prefix */
HA_READ_KEY_EXACT, /* Find first record else error */
HA_READ_KEY_OR_NEXT, /* Record or next record */
HA_READ_KEY_OR_PREV, /* Record or previous */
HA_READ_AFTER_KEY, /* Find next rec. after key-record */
HA_READ_BEFORE_KEY, /* Find next rec. before key-record */
HA_READ_PREFIX, /* Key which as same prefix */
HA_READ_PREFIX_LAST, /* Last key with the same prefix */
HA_READ_PREFIX_LAST_OR_PREV, /* Last or prev key with the same prefix */
HA_READ_MBR_CONTAIN,
HA_READ_MBR_INTERSECT,
HA_READ_MBR_WITHIN,
@ -66,7 +67,7 @@ enum ha_rkey_function {
/* Key algorithm types */
enum ha_key_alg {
enum ha_key_alg {
HA_KEY_ALG_UNDEF= 0, /* Not specified (old file) */
HA_KEY_ALG_BTREE= 1, /* B-tree, default one */
HA_KEY_ALG_RTREE= 2, /* R-tree, for spatial searches */
@ -202,7 +203,7 @@ enum ha_base_keytype {
/* Bits in flag to _status */
#define HA_STATUS_POS 1 /* Return position */
#define HA_STATUS_NO_LOCK 2 /* Don't use external lock */
#define HA_STATUS_NO_LOCK 2 /* Don't use external lock */
#define HA_STATUS_TIME 4 /* Return update time */
#define HA_STATUS_CONST 8 /* Return constants values */
#define HA_STATUS_VARIABLE 16
@ -233,7 +234,7 @@ enum ha_base_keytype {
#define HA_ERR_WRONG_TABLE_DEF 143
#define HA_ERR_CRASHED_ON_REPAIR 144 /* Last (automatic?) repair failed */
#define HA_ERR_CRASHED_ON_USAGE 145 /* Table must be repaired */
#define HA_ERR_LOCK_WAIT_TIMEOUT 146
#define HA_ERR_LOCK_WAIT_TIMEOUT 146
#define HA_ERR_LOCK_TABLE_FULL 147
#define HA_ERR_READ_ONLY_TRANSACTION 148 /* Updates not allowed */
#define HA_ERR_LOCK_DEADLOCK 149
@ -272,7 +273,7 @@ enum ha_base_keytype {
#define READ_CHECK_USED 4
#define KEY_READ_USED 8
#define WRITE_CACHE_USED 16
#define OPT_NO_ROWS 32
#define OPT_NO_ROWS 32
/* bits in update */
#define HA_STATE_CHANGED 1 /* Database has changed */
@ -302,7 +303,7 @@ enum data_file_type {
#ifdef BIG_TABLES
typedef my_off_t ha_rows;
#else
typedef ulong ha_rows;
typedef ulong ha_rows;
#endif
#define HA_POS_ERROR (~ (ha_rows) 0)