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MDEV-12798 Item_param does not preserve exact field type in EXECUTE IMMEDIATE 'CREATE TABLE AS SELECT ?' USING POINT(1,1)

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This commit is contained in:
Alexander Barkov
2017-05-15 14:58:05 +04:00
parent 38acc29ccb
commit 7c44b8afb7
6 changed files with 169 additions and 40 deletions
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33
sql/sql_type.h
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@ -28,6 +28,7 @@
class Field;
class Item;
class Item_param;
class Item_cache;
class Item_func_or_sum;
class Item_sum_hybrid;
@ -698,6 +699,10 @@ public:
virtual uint32 max_display_length(const Item *item) const= 0;
virtual bool Item_save_in_value(Item *item, st_value *value) const= 0;
virtual bool Item_param_set_from_value(THD *thd,
Item_param *param,
const Type_all_attributes *attr,
const st_value *value) const= 0;
virtual bool Item_send(Item *item, Protocol *p, st_value *buf) const= 0;
virtual int Item_save_in_field(Item *item, Field *field,
bool no_conversions) const= 0;
@ -942,6 +947,10 @@ public:
return DECIMAL_MAX_PRECISION;
}
bool Item_save_in_value(Item *item, st_value *value) const;
bool Item_param_set_from_value(THD *thd,
Item_param *param,
const Type_all_attributes *attr,
const st_value *value) const;
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
DBUG_ASSERT(0);
@ -1164,6 +1173,10 @@ public:
SORT_FIELD_ATTR *attr) const;
uint Item_decimal_precision(const Item *item) const;
bool Item_save_in_value(Item *item, st_value *value) const;
bool Item_param_set_from_value(THD *thd,
Item_param *param,
const Type_all_attributes *attr,
const st_value *value) const;
int Item_save_in_field(Item *item, Field *field, bool no_conversions) const;
Item *make_const_item_for_comparison(THD *, Item *src, const Item *cmp) const;
Item_cache *Item_get_cache(THD *thd, const Item *item) const;
@ -1226,6 +1239,10 @@ public:
uint32 max_display_length(const Item *item) const;
uint Item_decimal_precision(const Item *item) const;
bool Item_save_in_value(Item *item, st_value *value) const;
bool Item_param_set_from_value(THD *thd,
Item_param *param,
const Type_all_attributes *attr,
const st_value *value) const;
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_str(item, protocol, buf);
@ -1288,6 +1305,10 @@ public:
SORT_FIELD_ATTR *attr) const;
uint Item_decimal_precision(const Item *item) const;
bool Item_save_in_value(Item *item, st_value *value) const;
bool Item_param_set_from_value(THD *thd,
Item_param *param,
const Type_all_attributes *attr,
const st_value *value) const;
int Item_save_in_field(Item *item, Field *field, bool no_conversions) const;
Item *make_const_item_for_comparison(THD *, Item *src, const Item *cmp) const;
Item_cache *Item_get_cache(THD *thd, const Item *item) const;
@ -1343,6 +1364,10 @@ public:
void sortlength(THD *thd,
const Type_std_attributes *item,
SORT_FIELD_ATTR *attr) const;
bool Item_param_set_from_value(THD *thd,
Item_param *param,
const Type_all_attributes *attr,
const st_value *value) const;
uint32 max_display_length(const Item *item) const;
bool can_change_cond_ref_to_const(Item_bool_func2 *target,
Item *target_expr, Item *target_value,
@ -1419,6 +1444,10 @@ public:
}
uint Item_decimal_precision(const Item *item) const;
bool Item_save_in_value(Item *item, st_value *value) const;
bool Item_param_set_from_value(THD *thd,
Item_param *param,
const Type_all_attributes *attr,
const st_value *value) const;
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_str(item, protocol, buf);
@ -2182,6 +2211,10 @@ public:
{
return false; // Materialization does not work with GEOMETRY columns
}
bool Item_param_set_from_value(THD *thd,
Item_param *param,
const Type_all_attributes *attr,
const st_value *value) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
Field *make_table_field(const LEX_CSTRING *name,