bk commit into 4.0 tree (1.1470)

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ChangeSet
  1.1470 03/04/24 15:34:43 heikki@xxxxxxxxxxxxxxx +2 -0
  ha_innodb.h, 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
    1.54 03/04/24 15:34:32 heikki@xxxxxxxxxxxxxxx +1 -0
    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
    1.168 03/04/24 15:34:29 heikki@xxxxxxxxxxxxxxx +17 -0
    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 is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User: heikki
# Host: hundin.mysql.fi
# Root: /home/heikki/mysql-4.0

--- 1.167/sql/ha_innodb.cc      Thu Apr 24 00:09:42 2003
+++ 1.168/sql/ha_innodb.cc      Thu Apr 24 15:34:29 2003
@@ -3756,6 +3756,23 @@
        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

--- 1.53/sql/ha_innodb.h        Thu Apr 24 00:09:42 2003
+++ 1.54/sql/ha_innodb.h        Thu Apr 24 15:34:32 2003
@@ -152,6 +152,7 @@
 
        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);

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