Commit 7d6860a7 authored by unknown's avatar unknown
Browse files

Added support for calculating index cadinality

parent ca65afeb

sql/ha_ndbcluster.cc

+21 −4
Original line number Diff line number Diff line
@@ -166,9 +166,19 @@ struct Ndb_table_local_info { 
  ha_rows records;

};



void ha_ndbcluster::set_rec_per_key()

{

  DBUG_ENTER("ha_ndbcluster::get_status_const");

  for (uint i=0 ; i < table->keys ; i++)

  {

    table->key_info[i].rec_per_key[table->key_info[i].key_parts-1]= 1;

  }

  DBUG_VOID_RETURN;

}



void ha_ndbcluster::records_update()

{

  DBUG_ENTER("ha_ndbcluster::records_update");

  DBUG_ENTER("ha_ndbcluster::get_status_variable");

  struct Ndb_table_local_info *info= (struct Ndb_table_local_info *)m_table_info;

  DBUG_PRINT("info", ("id=%d, no_uncommitted_rows_count=%d",

		      ((const NDBTAB *)m_table)->getTableId(),
@@ -2380,13 +2390,16 @@ void ha_ndbcluster::info(uint flag) 
    DBUG_PRINT("info", ("HA_STATUS_NO_LOCK"));

  if (flag & HA_STATUS_TIME)

    DBUG_PRINT("info", ("HA_STATUS_TIME"));

  if (flag & HA_STATUS_CONST)

    DBUG_PRINT("info", ("HA_STATUS_CONST"));

  if (flag & HA_STATUS_VARIABLE)

  {

    DBUG_PRINT("info", ("HA_STATUS_VARIABLE"));

    records_update();

  }

  if (flag & HA_STATUS_CONST)

  {

    DBUG_PRINT("info", ("HA_STATUS_CONST"));

    set_rec_per_key();

  }

  if (flag & HA_STATUS_ERRKEY)

  {

    DBUG_PRINT("info", ("HA_STATUS_ERRKEY"));
@@ -3432,6 +3445,7 @@ ha_ndbcluster::~ha_ndbcluster() 


int ha_ndbcluster::open(const char *name, int mode, uint test_if_locked)

{

  int res;

  KEY *key;

  DBUG_ENTER("open");

  DBUG_PRINT("enter", ("name: %s mode: %d test_if_locked: %d",
@@ -3458,8 +3472,11 @@ int ha_ndbcluster::open(const char *name, int mode, uint test_if_locked) 
    free_share(m_share); m_share= 0;

    DBUG_RETURN(HA_ERR_NO_CONNECTION);

  }

  res= get_metadata(name);

  if (!res)

    info(HA_STATUS_VARIABLE | HA_STATUS_CONST);



  DBUG_RETURN(get_metadata(name));

  DBUG_RETURN(res);

}

sql/ha_ndbcluster.h

+1 −0
Original line number Diff line number Diff line
@@ -258,6 +258,7 @@ class ha_ndbcluster: public handler 
  uint32 blobs_buffer_size;

  uint dupkey;



  void set_rec_per_key();

  void records_update();

  void no_uncommitted_rows_execute_failure();

  void no_uncommitted_rows_update(int);