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MDEV-12303 Add Type_handler::Item_xxx_fix_length_and_dec() for CAST classes

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This commit is contained in:
Alexander Barkov
2017-04-04 17:59:48 +04:00
parent f1b0b04651
commit 17309c4c12
7 changed files with 425 additions and 33 deletions
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81
sql/sql_type.h
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@ -27,6 +27,7 @@
class Field;
class Item;
class Item_cache;
class Item_func_or_sum;
class Item_sum_hybrid;
class Item_sum_sum;
class Item_sum_avg;
@ -42,6 +43,14 @@ class Item_func_round;
class Item_func_int_val;
class Item_func_abs;
class Item_func_neg;
class Item_func_signed;
class Item_func_unsigned;
class Item_double_typecast;
class Item_decimal_typecast;
class Item_char_typecast;
class Item_time_typecast;
class Item_date_typecast;
class Item_datetime_typecast;
class cmp_item;
class in_vector;
class Type_std_attributes;
@ -273,6 +282,10 @@ protected:
bool maybe_null, bool null_value,
bool unsigned_flag,
longlong value) const;
bool
Item_func_or_sum_illegal_param(const char *name) const;
bool
Item_func_or_sum_illegal_param(const Item_func_or_sum *) const;
public:
static const Type_handler *string_type_handler(uint max_octet_length);
static const Type_handler *get_handler_by_field_type(enum_field_types type);
@ -467,6 +480,23 @@ public:
virtual bool
Item_func_neg_fix_length_and_dec(Item_func_neg *func) const= 0;
virtual bool
Item_func_signed_fix_length_and_dec(Item_func_signed *item) const;
virtual bool
Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *item) const;
virtual bool
Item_double_typecast_fix_length_and_dec(Item_double_typecast *item) const;
virtual bool
Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *item) const;
virtual bool
Item_char_typecast_fix_length_and_dec(Item_char_typecast *item) const;
virtual bool
Item_time_typecast_fix_length_and_dec(Item_time_typecast *item) const;
virtual bool
Item_date_typecast_fix_length_and_dec(Item_date_typecast *item) const;
virtual bool
Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *item) const;
};
@ -637,6 +667,47 @@ public:
bool Item_func_int_val_fix_length_and_dec(Item_func_int_val *) const;
bool Item_func_abs_fix_length_and_dec(Item_func_abs *) const;
bool Item_func_neg_fix_length_and_dec(Item_func_neg *) const;
bool Item_func_signed_fix_length_and_dec(Item_func_signed *) const
{
DBUG_ASSERT(0);
return true;
}
bool Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *) const
{
DBUG_ASSERT(0);
return true;
}
bool Item_double_typecast_fix_length_and_dec(Item_double_typecast *) const
{
DBUG_ASSERT(0);
return true;
}
bool Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *) const
{
DBUG_ASSERT(0);
return true;
}
bool Item_char_typecast_fix_length_and_dec(Item_char_typecast *) const
{
DBUG_ASSERT(0);
return true;
}
bool Item_time_typecast_fix_length_and_dec(Item_time_typecast *) const
{
DBUG_ASSERT(0);
return true;
}
bool Item_date_typecast_fix_length_and_dec(Item_date_typecast *) const
{
DBUG_ASSERT(0);
return true;
}
bool Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *) const
{
DBUG_ASSERT(0);
return true;
}
};
@ -662,6 +733,7 @@ public:
Item *target_expr, Item *target_value,
Item_bool_func2 *source,
Item *source_expr, Item *source_const) const;
bool Item_char_typecast_fix_length_and_dec(Item_char_typecast *) const;
};
@ -1348,6 +1420,15 @@ public:
bool Item_sum_sum_fix_length_and_dec(Item_sum_sum *) const;
bool Item_sum_avg_fix_length_and_dec(Item_sum_avg *) const;
bool Item_sum_variance_fix_length_and_dec(Item_sum_variance *) const;
bool Item_func_signed_fix_length_and_dec(Item_func_signed *) const;
bool Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *) const;
bool Item_double_typecast_fix_length_and_dec(Item_double_typecast *) const;
bool Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *) const;
bool Item_char_typecast_fix_length_and_dec(Item_char_typecast *) const;
bool Item_time_typecast_fix_length_and_dec(Item_time_typecast *) const;
bool Item_date_typecast_fix_length_and_dec(Item_date_typecast *) const;
bool Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *) const;
};
extern Type_handler_geometry type_handler_geometry;