diff options
| author | unknown <bell@sanja.is.com.ua> | 2002-12-11 19:53:57 +0200 |
|---|---|---|
| committer | unknown <bell@sanja.is.com.ua> | 2002-12-11 19:53:57 +0200 |
| commit | 826c4ccba5d8ac5fe12571c5cb9a453ba6d2360c (patch) | |
| tree | f846d1031c9cdf9f90ddacdc9d9dd9a25b14b8f7 /sql/handler.h | |
| parent | ba642eb8d8cfba8cfdcab1bdb684b12c991aefcd (diff) | |
| parent | e292bae2fa15d82cc38d2b80c0b78380be8b19ba (diff) | |
| download | mariadb-git-826c4ccba5d8ac5fe12571c5cb9a453ba6d2360c.tar.gz | |
merging
BitKeeper/deleted/.del-bdb_cache.result:
Delete: mysql-test/r/bdb_cache.result
BitKeeper/deleted/.del-bdb_cache-master.opt:
Delete: mysql-test/t/bdb_cache-master.opt
BitKeeper/deleted/.del-bdb_cache.test:
Delete: mysql-test/t/bdb_cache.test
sql/ha_berkeley.h:
Auto merged
sql/ha_innodb.cc:
Auto merged
sql/ha_innodb.h:
Auto merged
sql/handler.h:
Auto merged
sql/sql_cache.h:
Auto merged
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 6cbd83af282..3aaa1c6c1e1 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -116,6 +116,11 @@ #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, @@ -342,6 +347,16 @@ 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 */ |