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ha_innodb.h, ha_innodb.cc:

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Make ANALYZE TABLE to update index cardinality and other statistics also for an InnoDB table; note that the estimates are based on 10 random dives, not on an exhaustive read of the table


sql/ha_innodb.cc:
  Make ANALYZE TABLE to update index cardinality and other statistics also for an InnoDB table; note that the estimates are based on 10 random dives, not on an exhaustive read of the table
sql/ha_innodb.h:
  Make ANALYZE TABLE to update index cardinality and other statistics also for an InnoDB table; note that the estimates are based on 10 random dives, not on an exhaustive read of the table
This commit is contained in:
unknown 2003-04-24 15:34:43 +03:00
parent cdf3e090e5
commit 1e8414803c
2 changed files with 18 additions and 0 deletions
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17
sql/ha_innodb.cc
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@ -3756,6 +3756,23 @@ ha_innobase::info(
DBUG_VOID_RETURN;
}
/**************************************************************************
Updates index cardinalities of the table, based on 10 random dives into
each index tree. This does NOT calculate exact statistics of the table. */
int
ha_innobase::analyze(
/*=================*/
/* out: returns always 0 (success) */
THD* thd, /* in: connection thread handle */
HA_CHECK_OPT* check_opt) /* in: currently ignored */
{
/* Simply call ::info() with all the flags */
info(HA_STATUS_TIME | HA_STATUS_CONST | HA_STATUS_VARIABLE);
return(0);
}
/***********************************************************************
Tries to check that an InnoDB table is not corrupted. If corruption is
noticed, prints to stderr information about it. In case of corruption

1
sql/ha_innodb.h
View file

@ -152,6 +152,7 @@ class ha_innobase: public handler
void position(const byte *record);
void info(uint);
int analyze(THD* thd,HA_CHECK_OPT* check_opt);
int extra(enum ha_extra_function operation);
int reset(void);
int external_lock(THD *thd, int lock_type);