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| author | monty@tik.mysql.fi <> | 2002-01-12 15:42:54 +0200 |
|---|---|---|
| committer | monty@tik.mysql.fi <> | 2002-01-12 15:42:54 +0200 |
| commit | 7dd4eb71fe7576e428fe1ecaaad214d3a39ff4dc (patch) | |
| tree | 5c9b603230485a57877f3b066d095b6668bd1d2e /sql/handler.h | |
| parent | 47408baac6f53cd32ff45c83b09fb56a9084bd5b (diff) | |
| download | mariadb-git-7dd4eb71fe7576e428fe1ecaaad214d3a39ff4dc.tar.gz | |
Added support of null keys in HEAP tables
Added ORDER BY optimization
Diffstat (limited to 'sql/handler.h')
| -rw-r--r-- | sql/handler.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sql/handler.h b/sql/handler.h index 33cfa965363..aa809b333b4 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -55,12 +55,11 @@ #define HA_REC_NOT_IN_SEQ 64 /* ha_info don't return recnumber; It returns a position to ha_r_rnd */ #define HA_ONLY_WHOLE_INDEX 128 /* Can't use part key searches */ -#define HA_RSAME_NO_INDEX 256 /* RSAME can't restore index */ +#define HA_NOT_READ_PREFIX_LAST 256 /* RSAME can't restore index */ #define HA_WRONG_ASCII_ORDER 512 /* Can't use sorting through key */ #define HA_HAVE_KEY_READ_ONLY 1024 /* Can read only keys (no record) */ #define HA_READ_NOT_EXACT_KEY 2048 /* Can read record after/before key */ #define HA_NO_INDEX 4096 /* No index needed for next/prev */ -#define HA_LONGLONG_KEYS 8192 /* Can have longlong as key */ #define HA_KEY_READ_WRONG_STR 16384 /* keyread returns converted strings */ #define HA_NULL_KEY 32768 /* One can have keys with NULL */ #define HA_DUPP_POS 65536 /* ha_position() gives dupp row */ @@ -256,6 +255,10 @@ public: virtual int index_first(byte * buf)=0; virtual int index_last(byte * buf)=0; virtual int index_next_same(byte *buf, const byte *key, uint keylen); + virtual int index_read_last(byte * buf, const byte * key, uint key_len) + { + return (my_errno=HA_ERR_WRONG_COMMAND); + } virtual int ft_init() { return -1; } virtual FT_INFO *ft_init_ext(uint mode,uint inx,const byte *key, uint keylen, |