Drizzled Public API Documentation

Public Member Functions | Static Public Member Functions | Public Attributes
drizzled::optimizer::SqlSelect Class Reference

#include <range.h>

Inheritance diagram for drizzled::optimizer::SqlSelect:
drizzled::memory::SqlAlloc

List of all members.

Public Member Functions

void cleanup ()
bool check_quick (Session *session, bool force_quick_range, ha_rows limit)
bool skip_record ()
int test_quick_select (Session *session, key_map keys, table_map prev_tables, ha_rows limit, bool force_quick_range, bool ordered_output)

Static Public Member Functions

static void * operator new (size_t size)
static void * operator new (size_t size, Root &root)
static void * operator new (size_t size, Root *root)
static void * operator new[] (size_t size)
static void * operator new[] (size_t size, Root &root)
static void * operator new[] (size_t size, Root *root)
static void operator delete (void *)
static void operator delete (void *, Root &)
static void operator delete (void *, Root *)
static void operator delete[] (void *)
static void operator delete[] (void *, Root &)
static void operator delete[] (void *, Root *)

Public Attributes

QuickSelectInterface * quick
COND * cond
Table * head
internal::io_cache_st * file
ha_rows records
double read_time
key_map quick_keys
key_map needed_reg
table_map const_tables
table_map read_tables
bool free_cond

Detailed Description

Executor class for SELECT statements.

The QuickSelectInterface member variable is the implementor of the SELECT execution.

Definition at line 274 of file range.h.

Member Data Documentation

COND* drizzled::optimizer::SqlSelect::cond

where condition

Definition at line 278 of file range.h.

Referenced by drizzled::add_ref_to_table_cond(), drizzled::Join::exec(), drizzled::FileSort::find_all_keys(), drizzled::test_if_skip_sort_order(), and drizzled::update_query().

internal::io_cache_st* drizzled::optimizer::SqlSelect::file

Positions to used records

Definition at line 280 of file range.h.

Referenced by drizzled::update_query().

key_map drizzled::optimizer::SqlSelect::needed_reg

Possible quick keys after prev tables.

Definition at line 284 of file range.h.

Referenced by drizzled::make_join_statistics().

QuickSelectInterface* drizzled::optimizer::SqlSelect::quick

If quick-select used

Definition at line 277 of file range.h.

Referenced by drizzled::delete_query(), drizzled::FileSort::find_all_keys(), drizzled::optimizer::Index::getStats(), drizzled::optimizer::UniqueIndex::getStats(), drizzled::optimizer::Scan::getStats(), drizzled::make_join_statistics(), drizzled::Join::optimize(), drizzled::rr_quick(), drizzled::FileSort::run(), drizzled::test_if_skip_sort_order(), and drizzled::update_query().

key_map drizzled::optimizer::SqlSelect::quick_keys

Possible quick keys

Definition at line 283 of file range.h.

double drizzled::optimizer::SqlSelect::read_time

Time to read rows

Definition at line 282 of file range.h.

ha_rows drizzled::optimizer::SqlSelect::records

Records in use if read from file

Definition at line 281 of file range.h.

The documentation for this class was generated from the following files: