diff options
Diffstat (limited to 'sql/spatial.h')
| -rw-r--r-- | sql/spatial.h | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/sql/spatial.h b/sql/spatial.h index 86c2ed8c197..f778acd6c34 100644 --- a/sql/spatial.h +++ b/sql/spatial.h @@ -225,15 +225,18 @@ public: { wkb_xdr= 0, /* Big Endian */ wkb_ndr= 1 /* Little Endian */ - }; + }; + + /** Callback which creates Geometry objects on top of a given placement. */ + typedef Geometry *(*create_geom_t)(char *); class Class_info { public: LEX_STRING m_name; int m_type_id; - void (*m_create_func)(void *); - Class_info(const char *name, int type_id, void(*create_func)(void *)); + create_geom_t m_create_func; + Class_info(const char *name, int type_id, create_geom_t create_func); }; virtual const Class_info *get_class_info() const=0; @@ -263,15 +266,7 @@ public: virtual int geometry_n(uint32 num, String *result) const { return -1; } public: - static Geometry *create_by_typeid(Geometry_buffer *buffer, int type_id) - { - Class_info *ci; - if (!(ci= find_class((int) type_id))) - return NULL; - (*ci->m_create_func)((void *)buffer); - return my_reinterpret_cast(Geometry *)(buffer); - } - + static Geometry *create_by_typeid(Geometry_buffer *buffer, int type_id); static Geometry *construct(Geometry_buffer *buffer, const char *data, uint32 data_len); static Geometry *create_from_wkt(Geometry_buffer *buffer, @@ -528,11 +523,8 @@ public: const Class_info *get_class_info() const; }; -const int geometry_buffer_size= sizeof(Gis_point); -struct Geometry_buffer -{ - void *arr[(geometry_buffer_size - 1)/sizeof(void *) + 1]; -}; +struct Geometry_buffer : public + my_aligned_storage<sizeof(Gis_point), MY_ALIGNOF(Gis_point)> {}; #endif /*HAVE_SPATAIAL*/ #endif |