Drizzled Public API Documentation

drizzled::select_union Class Reference
Inheritance diagram for drizzled::select_union:
drizzled::select_result_interceptor drizzled::select_result drizzled::memory::SqlAlloc

Public Member Functions

int prepare (List< Item > &list, Select_Lex_Unit *u)
 
bool send_data (List< Item > &items)
 
bool send_eof ()
 
bool flush ()
 
void cleanup ()
 
bool create_result_table (Session *session, List< Item > *column_types, bool is_distinct, uint64_t options, const char *alias)
 
uint32_t field_count (List< Item > &) const
 
void send_fields (List< Item > &)
 
virtual bool initialize_tables (Join *)
 
virtual void abort ()
 
void set_session (Session *session_arg)
 
void begin_dataset ()
 
virtual void send_error (drizzled::error_t errcode, const char *err)
 

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

Tabletable
 

Protected Attributes

Sessionsession
 
Select_Lex_Unit * unit
 

Private Attributes

Tmp_Table_Param tmp_table_param
 

Detailed Description

Definition at line 29 of file select_union.h.

Member Function Documentation

void drizzled::select_union::cleanup ( )
virtual

Reset and empty the temporary table that stores the materialized query result.

Note
The cleanup performed here is exactly the same as for the two temp tables of JOIN - exec_tmp_table_[1 | 2].

Reimplemented from drizzled::select_result.

Definition at line 151 of file sql_union.cc.

References drizzled::Table::cursor, and drizzled::Cursor::ha_delete_all_rows().


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