diff options
| author | unknown <monty@hundin.mysql.fi> | 2002-01-30 16:07:11 +0200 |
|---|---|---|
| committer | unknown <monty@hundin.mysql.fi> | 2002-01-30 16:07:11 +0200 |
| commit | 9369764f2226e0e8cb9724bcdac256f45330ba67 (patch) | |
| tree | 00eb1852e1e55dce030aa0d5fc40f4491f4e8857 /sql/handler.h | |
| parent | 9c5eec61e35e5a86a6ad703f5b77caa090db5cbb (diff) | |
| download | mariadb-git-9369764f2226e0e8cb9724bcdac256f45330ba67.tar.gz | |
Take into account that table scans may use indexes
Docs/manual.texi:
Changelog
Diffstat (limited to 'sql/handler.h')
| -rw-r--r-- | sql/handler.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sql/handler.h b/sql/handler.h index 0add543f12c..8d8dfeb8da4 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -42,16 +42,13 @@ #define HA_ADMIN_INVALID -5 /* Bits in bas_flag to show what database can do */ - #define HA_READ_NEXT 1 /* Read next record with same key */ #define HA_READ_PREV 2 /* Read prev. record with same key */ #define HA_READ_ORDER 4 /* Read through record-keys in order */ #define HA_READ_RND_SAME 8 /* Read RND-record to KEY-record (To update with RND-read) */ #define HA_KEYPOS_TO_RNDPOS 16 /* ha_info gives pos to record */ -#define HA_LASTKEY_ORDER 32 /* Next record gives next record - according last record read (even - if database is updated after read) */ +#define HA_TABLE_SCAN_ON_INDEX 32 /* No separate data/index file */ #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 */ @@ -78,6 +75,13 @@ #define HA_CAN_FULLTEXT (HA_NO_PREFIX_CHAR_KEYS*2) #define HA_CAN_SQL_HANDLER (HA_CAN_FULLTEXT*2) +/* Old not used flags */ +/* + Next record gives next record according last record read (even + if database is updated after read) +*/ +#define HA_LASTKEY_ORDER 0 + /* Parameters for open() (in register form->filestat) */ /* HA_GET_INFO does an implicit HA_ABORT_IF_LOCKED */ |