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Item_direct_ref Class Reference
Inheritance diagram for Item_direct_ref:
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Collaboration diagram for Item_direct_ref:
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Public Member Functions

 Item_direct_ref (Name_resolution_context *context_arg, Item **item, const char *table_name_arg, const char *field_name_arg, bool alias_name_used_arg=FALSE)
 Item_direct_ref (THD *thd, Item_direct_ref *item)
double val_real ()
longlong val_int ()
longlong val_time_temporal ()
longlong val_date_temporal ()
String * val_str (String *tmp)
my_decimal * val_decimal (my_decimal *)
bool val_bool ()
bool is_null ()
bool get_date (MYSQL_TIME *ltime, uint fuzzydate)
virtual Ref_Type ref_type ()
- Public Member Functions inherited from Item_ref
 Item_ref (Name_resolution_context *context_arg, const char *db_arg, const char *table_name_arg, const char *field_name_arg)
 Item_ref (Name_resolution_context *context_arg, Item **item, const char *table_name_arg, const char *field_name_arg, bool alias_name_used_arg=FALSE)
 Item_ref (THD *thd, Item_ref *item)
enum Type type () const
bool eq (const Item *item, bool binary_cmp) const
double val_result ()
longlong val_int_result ()
String * str_result (String *tmp)
my_decimal * val_decimal_result (my_decimal *)
bool val_bool_result ()
bool is_null_result ()
bool send (Protocol *prot, String *tmp)
void make_field (Send_field *field)
bool fix_fields (THD *, Item **)
void fix_after_pullout (st_select_lex *parent_select, st_select_lex *removed_select)
type_conversion_status save_in_field (Field *field, bool no_conversions)
void save_org_in_field (Field *field)
enum Item_result result_type () const
enum_field_types field_type () const
Field * get_tmp_table_field ()
Item * get_tmp_table_item (THD *thd)
bool const_item () const
table_map used_tables () const
void update_used_tables ()
virtual table_map resolved_used_tables () const
table_map not_null_tables () const
void set_result_field (Field *field)
bool is_result_field ()
void save_in_result_field (bool no_conversions)
Item * real_item ()
bool walk (Item_processor processor, bool walk_subquery, uchar *arg)
virtual Item * transform (Item_transformer, uchar *arg)
virtual Item * compile (Item_analyzer analyzer, uchar **arg_p, Item_transformer transformer, uchar *arg_t)
virtual bool explain_subquery_checker (uchar **arg)
virtual void print (String *str, enum_query_type query_type)
void cleanup ()
Item_field * field_for_view_update ()
uint cols ()
Item * element_index (uint i)
Item ** addr (uint i)
bool check_cols (uint c)
bool null_inside ()
void bring_value ()
bool get_time (MYSQL_TIME *ltime)
virtual bool basic_const_item () const
bool is_outer_field () const
virtual bool has_subquery () const
virtual bool has_stored_program () const
virtual bool created_by_in2exists () const
 Whether this Item was created by the IN->EXISTS subquery transformation.
- Public Member Functions inherited from Item_ident
 Item_ident (Name_resolution_context *context_arg, const char *db_name_arg, const char *table_name_arg, const char *field_name_arg)
 Item_ident (THD *thd, Item_ident *item)
const char * full_name () const
bool remove_dependence_processor (uchar *arg)
virtual bool change_context_processor (uchar *cntx)
- Public Member Functions inherited from Item
 Item (THD *thd, Item *item)
void rename (char *new_name)
void init_make_field (Send_field *tmp_field, enum enum_field_types type)
virtual Field * make_string_field (TABLE *table)
void quick_fix_field ()
type_conversion_status save_in_field_no_warnings (Field *field, bool no_conversions)
virtual type_conversion_status save_safe_in_field (Field *field)
virtual enum Item_result numeric_context_result_type () const
enum Item_result temporal_with_date_as_number_result_type () const
virtual Item_result cast_to_int_type () const
virtual enum_field_types string_field_type () const
virtual enum_monotonicity_info get_monotonicity_info () const
virtual longlong val_int_endpoint (bool left_endp, bool *incl_endp)
longlong val_temporal_by_field_type ()
longlong val_temporal_with_round (enum_field_types type, uint8 dec)
ulonglong val_uint ()
virtual String * val_str_ascii (String *str)
virtual String * val_nodeset (String *)
type_conversion_status save_time_in_field (Field *field)
type_conversion_status save_date_in_field (Field *field)
type_conversion_status save_str_value_in_field (Field *field, String *result)
virtual Field * tmp_table_field (TABLE *t_arg)
virtual longlong val_time_temporal_result ()
virtual longlong val_date_temporal_result ()
virtual Item * clone_item ()
virtual cond_result eq_cmp_result () const
uint float_length (uint decimals_par) const
virtual uint decimal_precision () const
int decimal_int_part () const
virtual uint time_precision ()
virtual uint datetime_precision ()
virtual bool const_during_execution () const
void print_item_w_name (String *, enum_query_type query_type)
void print_for_order (String *str, enum_query_type query_type, bool used_alias)
virtual void split_sum_func (THD *thd, Ref_ptr_array ref_pointer_array, List< Item > &fields)
void split_sum_func2 (THD *thd, Ref_ptr_array ref_pointer_array, List< Item > &fields, Item **ref, bool skip_registered)
virtual bool get_timeval (struct timeval *tm, int *warnings)
virtual bool get_date_result (MYSQL_TIME *ltime, uint fuzzydate)
virtual void update_null_value ()
virtual void top_level_item ()
virtual bool is_bool_func ()
virtual void no_rows_in_result ()
virtual Item * copy_or_same (THD *thd)
virtual Item * copy_andor_structure (THD *thd, bool real_items=false)
virtual const CHARSET_INFO * compare_collation ()
virtual const CHARSET_INFO * charset_for_protocol (void) const
virtual void traverse_cond (Cond_traverser traverser, void *arg, traverse_order order)
virtual bool intro_version (uchar *int_arg)
virtual bool remove_fixed (uchar *arg)
virtual bool cleanup_processor (uchar *arg)
virtual bool collect_item_field_processor (uchar *arg)
virtual bool add_field_to_set_processor (uchar *arg)
virtual bool remove_column_from_bitmap (uchar *arg)
virtual bool find_item_in_field_list_processor (uchar *arg)
virtual bool reset_query_id_processor (uchar *query_id_arg)
virtual bool find_item_processor (uchar *arg)
virtual bool register_field_in_read_map (uchar *arg)
virtual bool inform_item_in_cond_of_tab (uchar *join_tab_index)
virtual bool clean_up_after_removal (uchar *arg)
virtual bool cache_const_expr_analyzer (uchar **arg)
virtual Item * cache_const_expr_transformer (uchar *arg)
virtual bool item_field_by_name_analyzer (uchar **arg)
virtual Item * item_field_by_name_transformer (uchar *arg)
virtual bool equality_substitution_analyzer (uchar **arg)
virtual Item * equality_substitution_transformer (uchar *arg)
virtual bool check_partition_func_processor (uchar *bool_arg)
virtual bool subst_argument_checker (uchar **arg)
virtual Item * explain_subquery_propagator (uchar *arg)
virtual Item * equal_fields_propagator (uchar *arg)
virtual bool set_no_const_sub (uchar *arg)
virtual Item * replace_equal_field (uchar *arg)
virtual bool check_valid_arguments_processor (uchar *bool_arg)
virtual bool find_function_processor (uchar *arg)
virtual Item * this_item ()
virtual const Item * this_item () const
virtual Item ** this_item_addr (THD *thd, Item **addr_arg)
Field * tmp_table_field_from_field_type (TABLE *table, bool fixed_length)
virtual Item * neg_transformer (THD *thd)
virtual Item * update_value_transformer (uchar *select_arg)
virtual Item * safe_charset_converter (const CHARSET_INFO *tocs)
void delete_self ()
virtual bool is_splocal ()
virtual
Settable_routine_parameter * 		get_settable_routine_parameter ()
bool is_temporal_with_date () const
bool is_temporal_with_date_and_time () const
bool is_temporal_with_time () const
bool is_temporal () const
bool has_compatible_context (Item *item) const
virtual Field::geometry_type get_geometry_type () const
String * check_well_formed_result (String *str, bool send_error=0)
bool eq_by_collation (Item *item, bool binary_cmp, const CHARSET_INFO *cs)
virtual bool is_expensive ()
virtual bool can_be_evaluated_now () const
uint32 max_char_length () const
void fix_length_and_charset (uint32 max_char_length_arg, const CHARSET_INFO *cs)
void fix_char_length (uint32 max_char_length_arg)
void fix_char_length_ulonglong (ulonglong max_char_length_arg)
void fix_length_and_charset_datetime (uint32 max_char_length_arg)
void fix_length_and_dec_and_charset_datetime (uint32 max_char_length_arg, uint8 dec_arg)
bool is_blob_field () const

Additional Inherited Members

- Public Types inherited from Item_ref
enum  Ref_Type {
  REF, DIRECT_REF, VIEW_REF, OUTER_REF,
  AGGREGATE_REF
}
- Static Public Member Functions inherited from Item
static void * operator new (size_t size) 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 const CHARSET_INFO * default_charset ()
- Public Attributes inherited from Item_ref
Field * result_field
Item ** ref
- Protected Member Functions inherited from Item_ref
void set_properties ()
- Protected Attributes inherited from Item_ident
const char * orig_db_name
const char * orig_table_name
const char * orig_field_name

Detailed Description

Definition at line 3325 of file item.h.

Member Function Documentation

bool Item_direct_ref::val_bool ( )
virtual
Todo:
Make this functions class dependent

Reimplemented from Item_ref.

Definition at line 7811 of file item.cc.

longlong Item_direct_ref::val_date_temporal ( )
virtual

Return date value of item in packed longlong format.

Reimplemented from Item_ref.

Definition at line 7786 of file item.cc.

longlong Item_direct_ref::val_time_temporal ( )
virtual

Return time value of item in packed longlong format.

Reimplemented from Item_ref.

Definition at line 7777 of file item.cc.

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