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| author | Sinisa@sinisa.nasamreza.org <> | 2003-04-26 15:26:28 +0300 |
|---|---|---|
| committer | Sinisa@sinisa.nasamreza.org <> | 2003-04-26 15:26:28 +0300 |
| commit | 5dc8dbea5f40938d0d0d653b9820f5ab98a3e1f4 (patch) | |
| tree | 1d443ccbc69a259401b8fbbdce0a7e01e41f9db7 /sql/handler.h | |
| parent | 3ca1a152ebd5eaa0bf5c714404633444d69be5e4 (diff) | |
| parent | 050d5b54879c9a29c20dad6441cd622b834fd0e6 (diff) | |
| download | mariadb-git-5dc8dbea5f40938d0d0d653b9820f5ab98a3e1f4.tar.gz | |
merge fix
Diffstat (limited to 'sql/handler.h')
| -rw-r--r-- | sql/handler.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sql/handler.h b/sql/handler.h index 06c24214d0f..8c23a3625e0 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -117,6 +117,11 @@ #define HA_OPTION_NO_DELAY_KEY_WRITE (1L << 18) #define HA_MAX_REC_LENGTH 65535 +/* Table caching type */ +#define HA_CACHE_TBL_NONTRANSACT 0 +#define HA_CACHE_TBL_ASKTRANSACT 1 +#define HA_CACHE_TBL_TRANSACT 2 + enum db_type { DB_TYPE_UNKNOWN=0,DB_TYPE_DIAB_ISAM=1, DB_TYPE_HASH,DB_TYPE_MISAM,DB_TYPE_PISAM, DB_TYPE_RMS_ISAM, DB_TYPE_HEAP, DB_TYPE_ISAM, @@ -343,6 +348,16 @@ public: virtual THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, enum thr_lock_type lock_type)=0; + + /* Type of table for caching query */ + virtual uint8 table_cache_type() { return HA_CACHE_TBL_NONTRANSACT; } + /* + Is query with this cable cachable (have sense only for ASKTRANSACT + tables) + */ + static bool caching_allowed(THD* thd, char* table_key, + uint key_length, uint8 cahe_type); + }; /* Some extern variables used with handlers */ |