MySQL 5.6.14 Source Code Document
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Semijoin_mat_exec Class Reference

#include <sql_executor.h>

Inheritance diagram for Semijoin_mat_exec:
Collaboration diagram for Semijoin_mat_exec:

Public Member Functions

 Semijoin_mat_exec (TABLE_LIST *sj_nest, bool is_scan, uint table_count, uint mat_table_index, uint inner_table_index)

Public Attributes

TABLE_LIST *const sj_nest
 Semi-join nest for this materialization.
const bool is_scan
 TRUE if executing a scan, FALSE if lookup.
const uint table_count
 Number of tables in the sj-nest.
const uint mat_table_index
 Index in join_tab for materialized table.
const uint inner_table_index
 Index in join_tab for first inner table.
TMP_TABLE_PARAM table_param
 The temptable and its related info.
TABLEtable
 Reference to temporary table.

Additional Inherited Members

- Static Public Member Functions inherited from Sql_alloc
static void * operator new (size_t size) throw ()
static void * operator new[] (size_t size) throw ()
static void * operator new[] (size_t size, MEM_ROOT *mem_root) throw ()
static void * operator new (size_t size, MEM_ROOT *mem_root) throw ()
static void operator delete (void *ptr, size_t size)
static void operator delete (void *ptr, MEM_ROOT *mem_root)
static void operator delete[] (void *ptr, MEM_ROOT *mem_root)
static void operator delete[] (void *ptr, size_t size)

Detailed Description

Executor structure for the materialized semi-join info, which contains

  • Description of expressions selected from subquery
  • The sj-materialization temporary table

Definition at line 136 of file sql_executor.h.


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