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MDEV-11528 Split Item_func_min_max::val_xxx() and Item_func_min_max::get_date() into methods in Type_handler

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This commit is contained in:
Alexander Barkov
2016-12-30 15:39:33 +04:00
parent b4ef7b25e4
commit 9b2bcf19f4
4 changed files with 260 additions and 81 deletions
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64
sql/sql_type.h
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@ -30,6 +30,7 @@ class Item_cache;
class Item_sum_hybrid;
class Item_func_hex;
class Item_hybrid_func;
class Item_func_min_max;
class Item_func_hybrid_field_type;
class Item_func_between;
class Item_func_in;
@ -371,7 +372,18 @@ public:
bool Item_func_hybrid_field_type_get_date(Item_func_hybrid_field_type *,
MYSQL_TIME *,
ulonglong fuzzydate) const= 0;
virtual
String *Item_func_min_max_val_str(Item_func_min_max *, String *) const= 0;
virtual
double Item_func_min_max_val_real(Item_func_min_max *) const= 0;
virtual
longlong Item_func_min_max_val_int(Item_func_min_max *) const= 0;
virtual
my_decimal *Item_func_min_max_val_decimal(Item_func_min_max *,
my_decimal *) const= 0;
virtual
bool Item_func_min_max_get_date(Item_func_min_max*,
MYSQL_TIME *, ulonglong fuzzydate) const= 0;
virtual longlong
Item_func_between_val_int(Item_func_between *func) const= 0;
@ -494,6 +506,33 @@ public:
return true;
}
String *Item_func_min_max_val_str(Item_func_min_max *, String *) const
{
DBUG_ASSERT(0);
return NULL;
}
double Item_func_min_max_val_real(Item_func_min_max *) const
{
DBUG_ASSERT(0);
return 0;
}
longlong Item_func_min_max_val_int(Item_func_min_max *) const
{
DBUG_ASSERT(0);
return 0;
}
my_decimal *Item_func_min_max_val_decimal(Item_func_min_max *,
my_decimal *) const
{
DBUG_ASSERT(0);
return NULL;
}
bool Item_func_min_max_get_date(Item_func_min_max*,
MYSQL_TIME *, ulonglong fuzzydate) const
{
DBUG_ASSERT(0);
return true;
}
longlong Item_func_between_val_int(Item_func_between *func) const;
cmp_item *make_cmp_item(THD *thd, CHARSET_INFO *cs) const;
in_vector *make_in_vector(THD *thd, const Item_func_in *f, uint nargs) const;
@ -512,6 +551,12 @@ protected:
const Type_handler *handler)
const;
public:
double Item_func_min_max_val_real(Item_func_min_max *) const;
longlong Item_func_min_max_val_int(Item_func_min_max *) const;
my_decimal *Item_func_min_max_val_decimal(Item_func_min_max *,
my_decimal *) const;
bool Item_func_min_max_get_date(Item_func_min_max*,
MYSQL_TIME *, ulonglong fuzzydate) const;
virtual ~Type_handler_numeric() { }
};
@ -549,6 +594,7 @@ public:
bool Item_func_hybrid_field_type_get_date(Item_func_hybrid_field_type *,
MYSQL_TIME *,
ulonglong fuzzydate) const;
String *Item_func_min_max_val_str(Item_func_min_max *, String *) const;
longlong Item_func_between_val_int(Item_func_between *func) const;
cmp_item *make_cmp_item(THD *thd, CHARSET_INFO *cs) const;
in_vector *make_in_vector(THD *, const Item_func_in *, uint nargs) const;
@ -591,6 +637,7 @@ public:
bool Item_func_hybrid_field_type_get_date(Item_func_hybrid_field_type *,
MYSQL_TIME *,
ulonglong fuzzydate) const;
String *Item_func_min_max_val_str(Item_func_min_max *, String *) const;
longlong Item_func_between_val_int(Item_func_between *func) const;
cmp_item *make_cmp_item(THD *thd, CHARSET_INFO *cs) const;
in_vector *make_in_vector(THD *, const Item_func_in *, uint nargs) const;
@ -631,6 +678,7 @@ public:
bool Item_func_hybrid_field_type_get_date(Item_func_hybrid_field_type *,
MYSQL_TIME *,
ulonglong fuzzydate) const;
String *Item_func_min_max_val_str(Item_func_min_max *, String *) const;
longlong Item_func_between_val_int(Item_func_between *func) const;
cmp_item *make_cmp_item(THD *thd, CHARSET_INFO *cs) const;
in_vector *make_in_vector(THD *, const Item_func_in *, uint nargs) const;
@ -667,6 +715,13 @@ public:
bool Item_func_hybrid_field_type_get_date(Item_func_hybrid_field_type *,
MYSQL_TIME *,
ulonglong fuzzydate) const;
String *Item_func_min_max_val_str(Item_func_min_max *, String *) const;
double Item_func_min_max_val_real(Item_func_min_max *) const;
longlong Item_func_min_max_val_int(Item_func_min_max *) const;
my_decimal *Item_func_min_max_val_decimal(Item_func_min_max *,
my_decimal *) const;
bool Item_func_min_max_get_date(Item_func_min_max*,
MYSQL_TIME *, ulonglong fuzzydate) const;
longlong Item_func_between_val_int(Item_func_between *func) const;
bool Item_func_in_fix_comparator_compatible_types(THD *thd,
Item_func_in *) const;
@ -709,6 +764,13 @@ public:
bool Item_func_hybrid_field_type_get_date(Item_func_hybrid_field_type *,
MYSQL_TIME *,
ulonglong fuzzydate) const;
String *Item_func_min_max_val_str(Item_func_min_max *, String *) const;
double Item_func_min_max_val_real(Item_func_min_max *) const;
longlong Item_func_min_max_val_int(Item_func_min_max *) const;
my_decimal *Item_func_min_max_val_decimal(Item_func_min_max *,
my_decimal *) const;
bool Item_func_min_max_get_date(Item_func_min_max*,
MYSQL_TIME *, ulonglong fuzzydate) const;
longlong Item_func_between_val_int(Item_func_between *func) const;
cmp_item *make_cmp_item(THD *thd, CHARSET_INFO *cs) const;
in_vector *make_in_vector(THD *, const Item_func_in *, uint nargs) const;