secondary_statistics.cc File Reference

#include "sql/join_optimizer/secondary_statistics.h"
#include <string>
#include "sql/field.h"
#include "sql/handler.h"
#include "sql/join_optimizer/optimizer_trace.h"
#include "sql/sql_class.h"
#include "sql/system_variables.h"
#include "sql/table.h"

Namespaces
namespace	secondary_statistics

Functions
double	secondary_statistics::NumDistinctValues (THD *thd, const Field &field)
	If secondary engine is available, return number of distinct values (NDV) information for specified field. More...