drizzled::select_union Class Reference

Inheritance diagram for drizzled::select_union:

List of all members.

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
bool	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 *mem_root)
static void *	operator new[] (size_t size)
static void *	operator new[] (size_t size, Root *mem_root)
static void	operator delete (void *, size_t)
static void	operator delete (void *, Root *)
static void	operator delete[] (void *, Root *)
static void	operator delete[] (void *, size_t)
Public Attributes
Table *	table
Protected Attributes
Session *	session
Select_Lex_Unit *	unit
Private Attributes
Tmp_Table_Param	tmp_table_param

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Detailed Description

Definition at line 29 of file select_union.h.

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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 153 of file sql_union.cc.

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

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

• drizzled/select_union.h
• drizzled/sql_union.cc