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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
This commit is contained in:
unknown
2002-12-11 19:53:57 +02:00
parent ba642eb8d8 e292bae2fa
commit 826c4ccba5
8 changed files with 90 additions and 36 deletions
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15
sql/handler.h
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@ -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 */