diff options
Diffstat (limited to 'sql/field.h')
| -rw-r--r-- | sql/field.h | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/sql/field.h b/sql/field.h index 002a7228164..a2fe77e18a3 100644 --- a/sql/field.h +++ b/sql/field.h @@ -45,6 +45,10 @@ public: char *ptr; // Position to field in record uchar *null_ptr; // Byte where null_bit is + /* + Note that you can use table->in_use as replacement for current_thd member + only inside of val_*() and store() members (e.g. you can't use it in cons) + */ struct st_table *table; // Pointer for table struct st_table *orig_table; // Pointer to original table const char *table_name,*field_name; @@ -247,6 +251,10 @@ public: { return pack(to,from,max_length); } + virtual const char *unpack_key(char* to, const char *from, uint max_length) + { + return unpack(to,from); + } virtual uint packed_col_length(const char *to, uint length) { return length;} virtual uint max_packed_col_length(uint max_length) @@ -264,9 +272,20 @@ public: virtual CHARSET_INFO *charset(void) const { return &my_charset_bin; } virtual bool has_charset(void) const { return FALSE; } virtual void set_charset(CHARSET_INFO *charset) { } - void set_warning(const unsigned int level, const unsigned int code); + bool set_warning(const unsigned int level, const unsigned int code, + int cuted_increment); + void set_datetime_warning(const uint level, const uint code, + const char *str, uint str_len, + timestamp_type ts_type, int cuted_increment); + void set_datetime_warning(const uint level, const uint code, + longlong nr, timestamp_type ts_type, + int cuted_increment); + void set_datetime_warning(const uint level, const uint code, + double nr, timestamp_type ts_type); virtual field_cast_enum field_cast_type()= 0; bool field_cast_compatible(field_cast_enum type); + /* maximum possible display length */ + virtual uint32 max_length()= 0; friend bool reopen_table(THD *,struct st_table *,bool); friend int cre_myisam(my_string name, register TABLE *form, uint options, ulonglong auto_increment_value); @@ -336,6 +355,7 @@ public: CHARSET_INFO *charset(void) const { return field_charset; } void set_charset(CHARSET_INFO *charset) { field_charset=charset; } bool binary() const { return field_charset->state & MY_CS_BINSORT ? 1 : 0; } + uint32 max_length() { return field_length; } friend class create_field; }; @@ -366,6 +386,7 @@ public: void overflow(bool negative); bool zero_pack() const { return 0; } void sql_type(String &str) const; + uint32 max_length() { return field_length; } field_cast_enum field_cast_type() { return FIELD_CAST_DECIMAL; } }; @@ -397,6 +418,7 @@ public: void sort_string(char *buff,uint length); uint32 pack_length() const { return 1; } void sql_type(String &str) const; + uint32 max_length() { return 4; } field_cast_enum field_cast_type() { return FIELD_CAST_TINY; } }; @@ -433,6 +455,7 @@ public: void sort_string(char *buff,uint length); uint32 pack_length() const { return 2; } void sql_type(String &str) const; + uint32 max_length() { return 6; } field_cast_enum field_cast_type() { return FIELD_CAST_SHORT; } }; @@ -464,6 +487,7 @@ public: void sort_string(char *buff,uint length); uint32 pack_length() const { return 3; } void sql_type(String &str) const; + uint32 max_length() { return 8; } field_cast_enum field_cast_type() { return FIELD_CAST_MEDIUM; } }; @@ -500,6 +524,7 @@ public: void sort_string(char *buff,uint length); uint32 pack_length() const { return 4; } void sql_type(String &str) const; + uint32 max_length() { return 11; } field_cast_enum field_cast_type() { return FIELD_CAST_LONG; } }; @@ -539,6 +564,7 @@ public: uint32 pack_length() const { return 8; } void sql_type(String &str) const; bool store_for_compare() { return 1; } + uint32 max_length() { return 20; } field_cast_enum field_cast_type() { return FIELD_CAST_LONGLONG; } }; #endif @@ -573,6 +599,7 @@ public: void sort_string(char *buff,uint length); uint32 pack_length() const { return sizeof(float); } void sql_type(String &str) const; + uint32 max_length() { return 24; } field_cast_enum field_cast_type() { return FIELD_CAST_FLOAT; } }; @@ -607,6 +634,7 @@ public: void sort_string(char *buff,uint length); uint32 pack_length() const { return sizeof(double); } void sql_type(String &str) const; + uint32 max_length() { return 53; } field_cast_enum field_cast_type() { return FIELD_CAST_DOUBLE; } }; @@ -637,6 +665,7 @@ public: uint32 pack_length() const { return 0; } void sql_type(String &str) const; uint size_of() const { return sizeof(*this); } + uint32 max_length() { return 4; } field_cast_enum field_cast_type() { return FIELD_CAST_NULL; } }; @@ -800,6 +829,7 @@ public: double val_real(void); longlong val_int(void); String *val_str(String*,String *); + bool get_date(TIME *ltime, uint fuzzydate); bool send_binary(Protocol *protocol); bool get_time(TIME *ltime); int cmp(const char *,const char*); @@ -991,6 +1021,7 @@ public: inline uint32 get_length(uint row_offset=0) { return get_length(ptr+row_offset); } uint32 get_length(const char *ptr); + void put_length(char *pos, uint32 length); inline void get_ptr(char **str) { memcpy_fixed(str,ptr+packlength,sizeof(char*)); @@ -1023,6 +1054,7 @@ public: const char *unpack(char *to, const char *from); char *pack_key(char *to, const char *from, uint max_length); char *pack_key_from_key_image(char* to, const char *from, uint max_length); + const char *unpack_key(char* to, const char *from, uint max_length); int pack_cmp(const char *a, const char *b, uint key_length); int pack_cmp(const char *b, uint key_length); uint packed_col_length(const char *col_ptr, uint length); @@ -1034,6 +1066,7 @@ public: bool has_charset(void) const { return charset() == &my_charset_bin ? FALSE : TRUE; } field_cast_enum field_cast_type() { return FIELD_CAST_BLOB; } + uint32 max_length(); }; #ifdef HAVE_SPATIAL |