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-rw-r--r--sql/item_sum.h152
1 files changed, 76 insertions, 76 deletions
diff --git a/sql/item_sum.h b/sql/item_sum.h
index afed152bb0e..3d6a9c776b8 100644
--- a/sql/item_sum.h
+++ b/sql/item_sum.h
@@ -57,8 +57,12 @@ public:
}
Item_sum(List<Item> &list);
//Copy constructor, need to perform subselects with temporary tables
- Item_sum(THD *thd, Item_sum &item);
- ~Item_sum() { result_field=0; }
+ Item_sum(THD *thd, Item_sum *item);
+ void cleanup()
+ {
+ Item_result_field::cleanup();
+ result_field=0;
+ }
enum Type type() const { return SUM_FUNC_ITEM; }
virtual enum Sumfunctype sum_func () const=0;
@@ -106,7 +110,7 @@ public:
Item_sum_num(Item *item_par) :Item_sum(item_par) {}
Item_sum_num(Item *a, Item* b) :Item_sum(a,b) {}
Item_sum_num(List<Item> &list) :Item_sum(list) {}
- Item_sum_num(THD *thd, Item_sum_num &item) :Item_sum(thd, item) {}
+ Item_sum_num(THD *thd, Item_sum_num *item) :Item_sum(thd, item) {}
bool fix_fields(THD *, TABLE_LIST *, Item **);
longlong val_int() { return (longlong) val(); } /* Real as default */
String *val_str(String*str);
@@ -119,7 +123,7 @@ class Item_sum_int :public Item_sum_num
public:
Item_sum_int(Item *item_par) :Item_sum_num(item_par) {}
Item_sum_int(List<Item> &list) :Item_sum_num(list) {}
- Item_sum_int(THD *thd, Item_sum_int &item) :Item_sum_num(thd, item) {}
+ Item_sum_int(THD *thd, Item_sum_int *item) :Item_sum_num(thd, item) {}
double val() { return (double) val_int(); }
String *val_str(String*str);
enum Item_result result_type () const { return INT_RESULT; }
@@ -135,8 +139,8 @@ class Item_sum_sum :public Item_sum_num
public:
Item_sum_sum(Item *item_par) :Item_sum_num(item_par),sum(0.0) {}
- Item_sum_sum(THD *thd, Item_sum_sum &item)
- :Item_sum_num(thd, item), sum(item.sum) {}
+ Item_sum_sum(THD *thd, Item_sum_sum *item)
+ :Item_sum_num(thd, item), sum(item->sum) {}
enum Sumfunctype sum_func () const {return SUM_FUNC;}
void clear();
bool add();
@@ -191,9 +195,9 @@ class Item_sum_count :public Item_sum_int
Item_sum_count(Item *item_par)
:Item_sum_int(item_par),count(0),used_table_cache(~(table_map) 0)
{}
- Item_sum_count(THD *thd, Item_sum_count &item)
- :Item_sum_int(thd, item), count(item.count),
- used_table_cache(item.used_table_cache)
+ Item_sum_count(THD *thd, Item_sum_count *item)
+ :Item_sum_int(thd, item), count(item->count),
+ used_table_cache(item->used_table_cache)
{}
table_map used_tables() const { return used_table_cache; }
bool const_item() const { return !used_table_cache; }
@@ -259,16 +263,16 @@ class Item_sum_count_distinct :public Item_sum_int
tmp_table_param(0), tree(&tree_base), original(0), use_tree(0),
always_null(0)
{ quick_group= 0; }
- Item_sum_count_distinct(THD *thd, Item_sum_count_distinct &item)
- :Item_sum_int(thd, item), table(item.table),
- used_table_cache(item.used_table_cache),
- field_lengths(item.field_lengths), tmp_table_param(item.tmp_table_param),
- tree(item.tree), original(&item), key_length(item.key_length),
- max_elements_in_tree(item.max_elements_in_tree),
- rec_offset(item.rec_offset), use_tree(item.use_tree),
- always_null(item.always_null)
+ Item_sum_count_distinct(THD *thd, Item_sum_count_distinct *item)
+ :Item_sum_int(thd, item), table(item->table),
+ used_table_cache(item->used_table_cache),
+ field_lengths(item->field_lengths), tmp_table_param(item->tmp_table_param),
+ tree(item->tree), original(item), key_length(item->key_length),
+ max_elements_in_tree(item->max_elements_in_tree),
+ rec_offset(item->rec_offset), use_tree(item->use_tree),
+ always_null(item->always_null)
{}
- ~Item_sum_count_distinct();
+ void cleanup();
table_map used_tables() const { return used_table_cache; }
enum Sumfunctype sum_func () const { return COUNT_DISTINCT_FUNC; }
@@ -314,8 +318,8 @@ class Item_sum_avg :public Item_sum_num
public:
Item_sum_avg(Item *item_par) :Item_sum_num(item_par),count(0) {}
- Item_sum_avg(THD *thd, Item_sum_avg &item)
- :Item_sum_num(thd, item), sum(item.sum), count(item.count) {}
+ Item_sum_avg(THD *thd, Item_sum_avg *item)
+ :Item_sum_num(thd, item), sum(item->sum), count(item->count) {}
enum Sumfunctype sum_func () const {return AVG_FUNC;}
void clear();
bool add();
@@ -366,9 +370,9 @@ class Item_sum_variance : public Item_sum_num
public:
Item_sum_variance(Item *item_par) :Item_sum_num(item_par),count(0) {}
- Item_sum_variance(THD *thd, Item_sum_variance &item):
- Item_sum_num(thd, item), sum(item.sum), sum_sqr(item.sum_sqr),
- count(item.count) {}
+ Item_sum_variance(THD *thd, Item_sum_variance *item):
+ Item_sum_num(thd, item), sum(item->sum), sum_sqr(item->sum_sqr),
+ count(item->count) {}
enum Sumfunctype sum_func () const { return VARIANCE_FUNC; }
void clear();
bool add();
@@ -399,7 +403,7 @@ class Item_sum_std :public Item_sum_variance
{
public:
Item_sum_std(Item *item_par) :Item_sum_variance(item_par) {}
- Item_sum_std(THD *thd, Item_sum_std &item)
+ Item_sum_std(THD *thd, Item_sum_std *item)
:Item_sum_variance(thd, item)
{}
enum Sumfunctype sum_func () const { return STD_FUNC; }
@@ -426,15 +430,16 @@ class Item_sum_hybrid :public Item_sum
public:
Item_sum_hybrid(Item *item_par,int sign)
- :Item_sum(item_par), hybrid_type(INT_RESULT), cmp_sign(sign),
- used_table_cache(~(table_map) 0),
+ :Item_sum(item_par), sum(0.0), sum_int(0),
+ hybrid_type(INT_RESULT), hybrid_field_type(FIELD_TYPE_LONGLONG),
+ cmp_sign(sign), used_table_cache(~(table_map) 0),
cmp_charset(&my_charset_bin)
{}
- Item_sum_hybrid(THD *thd, Item_sum_hybrid &item):
- Item_sum(thd, item), value(item.value), tmp_value(item.tmp_value),
- sum(item.sum), sum_int(item.sum_int), hybrid_type(item.hybrid_type),
- hybrid_field_type(item.hybrid_field_type),cmp_sign(item.cmp_sign),
- used_table_cache(item.used_table_cache), cmp_charset(item.cmp_charset) {}
+ Item_sum_hybrid(THD *thd, Item_sum_hybrid *item):
+ Item_sum(thd, item), value(item->value),
+ sum(item->sum), sum_int(item->sum_int), hybrid_type(item->hybrid_type),
+ hybrid_field_type(item->hybrid_field_type),cmp_sign(item->cmp_sign),
+ used_table_cache(item->used_table_cache), cmp_charset(item->cmp_charset) {}
bool fix_fields(THD *, TABLE_LIST *, Item **);
table_map used_tables() const { return used_table_cache; }
bool const_item() const { return !used_table_cache; }
@@ -465,7 +470,7 @@ class Item_sum_min :public Item_sum_hybrid
{
public:
Item_sum_min(Item *item_par) :Item_sum_hybrid(item_par,1) {}
- Item_sum_min(THD *thd, Item_sum_min &item) :Item_sum_hybrid(thd, item) {}
+ Item_sum_min(THD *thd, Item_sum_min *item) :Item_sum_hybrid(thd, item) {}
enum Sumfunctype sum_func () const {return MIN_FUNC;}
bool add();
@@ -478,7 +483,7 @@ class Item_sum_max :public Item_sum_hybrid
{
public:
Item_sum_max(Item *item_par) :Item_sum_hybrid(item_par,-1) {}
- Item_sum_max(THD *thd, Item_sum_max &item) :Item_sum_hybrid(thd, item) {}
+ Item_sum_max(THD *thd, Item_sum_max *item) :Item_sum_hybrid(thd, item) {}
enum Sumfunctype sum_func () const {return MAX_FUNC;}
bool add();
@@ -495,8 +500,8 @@ protected:
public:
Item_sum_bit(Item *item_par,ulonglong reset_arg)
:Item_sum_int(item_par),reset_bits(reset_arg),bits(reset_arg) {}
- Item_sum_bit(THD *thd, Item_sum_bit &item):
- Item_sum_int(thd, item), reset_bits(item.reset_bits), bits(item.bits) {}
+ Item_sum_bit(THD *thd, Item_sum_bit *item):
+ Item_sum_int(thd, item), reset_bits(item->reset_bits), bits(item->bits) {}
enum Sumfunctype sum_func () const {return SUM_BIT_FUNC;}
void clear();
longlong val_int();
@@ -511,7 +516,7 @@ class Item_sum_or :public Item_sum_bit
{
public:
Item_sum_or(Item *item_par) :Item_sum_bit(item_par,LL(0)) {}
- Item_sum_or(THD *thd, Item_sum_or &item) :Item_sum_bit(thd, item) {}
+ Item_sum_or(THD *thd, Item_sum_or *item) :Item_sum_bit(thd, item) {}
bool add();
const char *func_name() const { return "bit_or"; }
Item *copy_or_same(THD* thd);
@@ -522,7 +527,7 @@ class Item_sum_and :public Item_sum_bit
{
public:
Item_sum_and(Item *item_par) :Item_sum_bit(item_par, ULONGLONG_MAX) {}
- Item_sum_and(THD *thd, Item_sum_and &item) :Item_sum_bit(thd, item) {}
+ Item_sum_and(THD *thd, Item_sum_and *item) :Item_sum_bit(thd, item) {}
bool add();
const char *func_name() const { return "bit_and"; }
Item *copy_or_same(THD* thd);
@@ -532,7 +537,7 @@ class Item_sum_xor :public Item_sum_bit
{
public:
Item_sum_xor(Item *item_par) :Item_sum_bit(item_par,LL(0)) {}
- Item_sum_xor(THD *thd, Item_sum_xor &item) :Item_sum_bit(thd, item) {}
+ Item_sum_xor(THD *thd, Item_sum_xor *item) :Item_sum_bit(thd, item) {}
bool add();
const char *func_name() const { return "bit_xor"; }
Item *copy_or_same(THD* thd);
@@ -554,9 +559,8 @@ public:
Item_udf_sum( udf_func *udf_arg, List<Item> &list )
:Item_sum( list ), udf(udf_arg)
{ quick_group=0;}
- Item_udf_sum(THD *thd, Item_udf_sum &item)
- :Item_sum(thd, item), udf(item.udf) {}
- ~Item_udf_sum() {}
+ Item_udf_sum(THD *thd, Item_udf_sum *item)
+ :Item_sum(thd, item), udf(item->udf) {}
const char *func_name() const { return udf.name(); }
bool fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
{
@@ -579,9 +583,8 @@ class Item_sum_udf_float :public Item_udf_sum
Item_sum_udf_float(udf_func *udf_arg) :Item_udf_sum(udf_arg) {}
Item_sum_udf_float(udf_func *udf_arg, List<Item> &list)
:Item_udf_sum(udf_arg,list) {}
- Item_sum_udf_float(THD *thd, Item_sum_udf_float &item)
+ Item_sum_udf_float(THD *thd, Item_sum_udf_float *item)
:Item_udf_sum(thd, item) {}
- ~Item_sum_udf_float() {}
longlong val_int() { return (longlong) Item_sum_udf_float::val(); }
double val();
String *val_str(String*str);
@@ -596,9 +599,8 @@ public:
Item_sum_udf_int(udf_func *udf_arg) :Item_udf_sum(udf_arg) {}
Item_sum_udf_int(udf_func *udf_arg, List<Item> &list)
:Item_udf_sum(udf_arg,list) {}
- Item_sum_udf_int(THD *thd, Item_sum_udf_int &item)
+ Item_sum_udf_int(THD *thd, Item_sum_udf_int *item)
:Item_udf_sum(thd, item) {}
- ~Item_sum_udf_int() {}
longlong val_int();
double val() { return (double) Item_sum_udf_int::val_int(); }
String *val_str(String*str);
@@ -614,9 +616,8 @@ public:
Item_sum_udf_str(udf_func *udf_arg) :Item_udf_sum(udf_arg) {}
Item_sum_udf_str(udf_func *udf_arg, List<Item> &list)
:Item_udf_sum(udf_arg,list) {}
- Item_sum_udf_str(THD *thd, Item_sum_udf_str &item)
+ Item_sum_udf_str(THD *thd, Item_sum_udf_str *item)
:Item_udf_sum(thd, item) {}
- ~Item_sum_udf_str() {}
String *val_str(String *);
double val()
{
@@ -643,9 +644,8 @@ class Item_sum_udf_float :public Item_sum_num
public:
Item_sum_udf_float(udf_func *udf_arg) :Item_sum_num() {}
Item_sum_udf_float(udf_func *udf_arg, List<Item> &list) :Item_sum_num() {}
- Item_sum_udf_float(THD *thd, Item_sum_udf_float &item)
+ Item_sum_udf_float(THD *thd, Item_sum_udf_float *item)
:Item_sum_num(thd, item) {}
- ~Item_sum_udf_float() {}
enum Sumfunctype sum_func () const { return UDF_SUM_FUNC; }
double val() { return 0.0; }
void clear() {}
@@ -659,9 +659,8 @@ class Item_sum_udf_int :public Item_sum_num
public:
Item_sum_udf_int(udf_func *udf_arg) :Item_sum_num() {}
Item_sum_udf_int(udf_func *udf_arg, List<Item> &list) :Item_sum_num() {}
- Item_sum_udf_int(THD *thd, Item_sum_udf_int &item)
+ Item_sum_udf_int(THD *thd, Item_sum_udf_int *item)
:Item_sum_num(thd, item) {}
- ~Item_sum_udf_int() {}
enum Sumfunctype sum_func () const { return UDF_SUM_FUNC; }
longlong val_int() { return 0; }
double val() { return 0; }
@@ -676,9 +675,8 @@ class Item_sum_udf_str :public Item_sum_num
public:
Item_sum_udf_str(udf_func *udf_arg) :Item_sum_num() {}
Item_sum_udf_str(udf_func *udf_arg, List<Item> &list) :Item_sum_num() {}
- Item_sum_udf_str(THD *thd, Item_sum_udf_str &item)
+ Item_sum_udf_str(THD *thd, Item_sum_udf_str *item)
:Item_sum_num(thd, item) {}
- ~Item_sum_udf_str() {}
String *val_str(String *) { null_value=1; return 0; }
double val() { null_value=1; return 0.0; }
longlong val_int() { null_value=1; return 0; }
@@ -740,33 +738,35 @@ class Item_func_group_concat : public Item_sum
Item_func_group_concat(bool is_distinct,List<Item> *is_select,
SQL_LIST *is_order,String *is_separator);
- Item_func_group_concat(THD *thd, Item_func_group_concat &item)
+ Item_func_group_concat(THD *thd, Item_func_group_concat *item)
:Item_sum(thd, item),item_thd(thd),
- tmp_table_param(item.tmp_table_param),
- max_elements_in_tree(item.max_elements_in_tree),
- warning(item.warning),
- warning_available(item.warning_available),
- key_length(item.key_length),
- rec_offset(item.rec_offset),
- tree_mode(item.tree_mode),
- distinct(item.distinct),
- warning_for_row(item.warning_for_row),
- separator(item.separator),
- tree(item.tree),
- table(item.table),
- order(item.order),
- tables_list(item.tables_list),
- group_concat_max_len(item.group_concat_max_len),
- show_elements(item.show_elements),
- arg_count_order(item.arg_count_order),
- arg_count_field(item.arg_count_field),
- arg_show_fields(item.arg_show_fields),
- count_cut_values(item.count_cut_values),
- original(&item)
+ tmp_table_param(item->tmp_table_param),
+ max_elements_in_tree(item->max_elements_in_tree),
+ warning(item->warning),
+ warning_available(item->warning_available),
+ key_length(item->key_length),
+ rec_offset(item->rec_offset),
+ tree_mode(item->tree_mode),
+ distinct(item->distinct),
+ warning_for_row(item->warning_for_row),
+ separator(item->separator),
+ tree(item->tree),
+ table(item->table),
+ order(item->order),
+ tables_list(item->tables_list),
+ group_concat_max_len(item->group_concat_max_len),
+ show_elements(item->show_elements),
+ arg_count_order(item->arg_count_order),
+ arg_count_field(item->arg_count_field),
+ arg_show_fields(item->arg_show_fields),
+ count_cut_values(item->count_cut_values),
+ original(item)
{
- quick_group= item.quick_group;
+ quick_group= item->quick_group;
};
~Item_func_group_concat();
+ void cleanup();
+
enum Sumfunctype sum_func () const {return GROUP_CONCAT_FUNC;}
const char *func_name() const { return "group_concat"; }
enum Type type() const { return SUM_FUNC_ITEM; }
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