Loading sql/field.h +154 −86 Original line number Diff line number Diff line Loading @@ -37,11 +37,7 @@ class Field void operator=(Field &); public: static void *operator new(size_t size) {return (void*) sql_alloc((uint) size); } static void operator delete(void *ptr_arg, size_t size) { #ifdef SAFEMALLOC bfill(ptr_arg, size, 0x8F); #endif } static void operator delete(void *ptr_arg, size_t size) { TRASH(ptr_arg, size); } char *ptr; // Position to field in record uchar *null_ptr; // Byte where null_bit is Loading @@ -51,7 +47,7 @@ class Field */ struct st_table *table; // Pointer for table struct st_table *orig_table; // Pointer to original table const char *table_name,*field_name; const char **table_name, *field_name; LEX_STRING comment; ulong query_id; // For quick test of used fields /* Field is part of the following keys */ Loading Loading @@ -84,7 +80,7 @@ class Field FIELD_CAST_TIMESTAMP, FIELD_CAST_YEAR, FIELD_CAST_DATE, FIELD_CAST_NEWDATE, FIELD_CAST_TIME, FIELD_CAST_DATETIME, FIELD_CAST_STRING, FIELD_CAST_VARSTRING, FIELD_CAST_BLOB, FIELD_CAST_GEOM, FIELD_CAST_ENUM, FIELD_CAST_SET FIELD_CAST_GEOM, FIELD_CAST_ENUM, FIELD_CAST_SET, FIELD_CAST_BIT }; utype unireg_check; Loading @@ -100,7 +96,7 @@ class Field virtual int store(const char *to,uint length,CHARSET_INFO *cs)=0; virtual int store(double nr)=0; virtual int store(longlong nr)=0; virtual void store_time(TIME *ltime,timestamp_type t_type); virtual int store_time(TIME *ltime, timestamp_type t_type); virtual double val_real(void)=0; virtual longlong val_int(void)=0; inline String *val_str(String *str) { return val_str(str, str); } Loading @@ -117,16 +113,22 @@ class Field This trickery is used to decrease a number of malloc calls. */ virtual String *val_str(String*,String *)=0; String *val_int_as_str(String *val_buffer, my_bool unsigned_flag); virtual Item_result result_type () const=0; virtual Item_result cmp_type () const { return result_type(); } bool eq(Field *field) { return ptr == field->ptr && null_ptr == field->null_ptr; } bool eq(Field *field) { return (ptr == field->ptr && null_ptr == field->null_ptr && null_bit == field->null_bit); } virtual bool eq_def(Field *field); virtual uint32 pack_length() const { return (uint32) field_length; } virtual uint32 pack_length_in_rec() const { return pack_length(); } virtual void reset(void) { bzero(ptr,pack_length()); } virtual void reset_fields() {} virtual void set_default() { my_ptrdiff_t offset = (my_ptrdiff_t) (table->default_values - my_ptrdiff_t offset = (my_ptrdiff_t) (table->s->default_values - table->record[0]); memcpy(ptr, ptr + offset, pack_length()); if (null_ptr) Loading @@ -143,10 +145,9 @@ class Field virtual int cmp(const char *,const char *)=0; virtual int cmp_binary(const char *a,const char *b, uint32 max_length=~0L) { return memcmp(a,b,pack_length()); } virtual int cmp_offset(uint row_offset) { return memcmp(ptr,ptr+row_offset,pack_length()); } virtual int cmp_binary_offset(uint row_offset) { return memcmp(ptr,ptr+row_offset,pack_length()); } int cmp_offset(uint row_offset) { return cmp(ptr,ptr+row_offset); } int cmp_binary_offset(uint row_offset) { return cmp_binary(ptr, ptr+row_offset); }; virtual int key_cmp(const byte *a,const byte *b) { return cmp((char*) a,(char*) b); } virtual int key_cmp(const byte *str, uint length) Loading Loading @@ -176,7 +177,7 @@ class Field { if (null_ptr) null_ptr[row_offset]&= (uchar) ~null_bit; } inline bool maybe_null(void) { return null_ptr != 0 || table->maybe_null; } inline bool real_maybe_null(void) { return null_ptr != 0; } virtual void make_field(Send_field *)=0; virtual void make_field(Send_field *); virtual void sort_string(char *buff,uint length)=0; virtual bool optimize_range(uint idx, uint part); /* Loading @@ -188,28 +189,11 @@ class Field */ virtual bool can_be_compared_as_longlong() const { return FALSE; } virtual void free() {} Field *new_field(MEM_ROOT *root, struct st_table *new_table) { Field *tmp= (Field*) memdup_root(root,(char*) this,size_of()); if (tmp) { if (tmp->table->maybe_null) tmp->flags&= ~NOT_NULL_FLAG; tmp->table= new_table; tmp->key_start.init(0); tmp->part_of_key.init(0); tmp->part_of_sortkey.init(0); tmp->unireg_check=Field::NONE; tmp->flags&= (NOT_NULL_FLAG | BLOB_FLAG | UNSIGNED_FLAG | ZEROFILL_FLAG | BINARY_FLAG | ENUM_FLAG | SET_FLAG); #ifdef PROBABLY_WRONG tmp->table_name= new_table->table_name; #endif tmp->reset_fields(); } return tmp; } inline void move_field(char *ptr_arg,uchar *null_ptr_arg,uchar null_bit_arg) virtual Field *new_field(MEM_ROOT *root, struct st_table *new_table); virtual Field *new_key_field(MEM_ROOT *root, struct st_table *new_table, char *new_ptr, uchar *new_null_ptr, uint new_null_bit); virtual void move_field(char *ptr_arg,uchar *null_ptr_arg,uchar null_bit_arg) { ptr=ptr_arg; null_ptr=null_ptr_arg; null_bit=null_bit_arg; } Loading @@ -224,11 +208,10 @@ class Field { memcpy(buff,ptr,length); } inline void set_image(char *buff,uint length, CHARSET_INFO *cs) { memcpy(ptr,buff,length); } virtual void get_key_image(char *buff,uint length, CHARSET_INFO *cs, imagetype type) { get_image(buff,length,cs); } virtual void set_key_image(char *buff,uint length, CHARSET_INFO *cs) { set_image(buff,length,cs); } virtual void get_key_image(char *buff, uint length, imagetype type) { get_image(buff,length, &my_charset_bin); } virtual void set_key_image(char *buff,uint length) { set_image(buff,length, &my_charset_bin); } inline longlong val_int_offset(uint row_offset) { ptr+=row_offset; Loading @@ -236,6 +219,17 @@ class Field ptr-=row_offset; return tmp; } inline String *val_str(String *str, char *new_ptr) { char *old_ptr= ptr; ptr= new_ptr; val_str(str); ptr= old_ptr; return str; } bool quote_data(String *unquoted_string); bool needs_quotes(void); virtual bool send_binary(Protocol *protocol); virtual char *pack(char* to, const char *from, uint max_length=~(uint) 0) { Loading Loading @@ -267,9 +261,11 @@ class Field virtual uint max_packed_col_length(uint max_length) { return max_length;} virtual int pack_cmp(const char *a,const char *b, uint key_length_arg) virtual int pack_cmp(const char *a,const char *b, uint key_length_arg, my_bool insert_or_update) { return cmp(a,b); } virtual int pack_cmp(const char *b, uint key_length_arg) virtual int pack_cmp(const char *b, uint key_length_arg, my_bool insert_or_update) { return cmp(ptr,b); } uint offset(); // Should be inline ... void copy_from_tmp(int offset); Loading @@ -281,6 +277,8 @@ class Field virtual void set_charset(CHARSET_INFO *charset) { } bool set_warning(const unsigned int level, const unsigned int code, int cuted_increment); bool check_int(const char *str, int length, const char *int_end, CHARSET_INFO *cs); void set_datetime_warning(const uint level, const uint code, const char *str, uint str_len, timestamp_type ts_type, int cuted_increment); Loading Loading @@ -360,7 +358,6 @@ class Field_str :public Field { int store(double nr); int store(longlong nr)=0; int store(const char *to,uint length,CHARSET_INFO *cs)=0; void make_field(Send_field *); uint size_of() const { return sizeof(*this); } CHARSET_INFO *charset(void) const { return field_charset; } void set_charset(CHARSET_INFO *charset) { field_charset=charset; } Loading Loading @@ -719,7 +716,7 @@ class Field_timestamp :public Field_str { if ((*null_value= is_null())) return 0; #ifdef WORDS_BIGENDIAN if (table->db_low_byte_first) if (table->s->db_low_byte_first) return sint4korr(ptr); #endif long tmp; Loading Loading @@ -803,7 +800,7 @@ class Field_newdate :public Field_str { int store(const char *to,uint length,CHARSET_INFO *charset); int store(double nr); int store(longlong nr); void store_time(TIME *ltime,timestamp_type type); int store_time(TIME *ltime, timestamp_type type); void reset(void) { ptr[0]=ptr[1]=ptr[2]=0; } double val_real(void); longlong val_int(void); Loading Loading @@ -836,6 +833,7 @@ class Field_time :public Field_str { enum_field_types type() const { return FIELD_TYPE_TIME;} enum ha_base_keytype key_type() const { return HA_KEYTYPE_INT24; } enum Item_result cmp_type () const { return INT_RESULT; } int store_time(TIME *ltime, timestamp_type type); int store(const char *to,uint length,CHARSET_INFO *charset); int store(double nr); int store(longlong nr); Loading Loading @@ -876,7 +874,7 @@ class Field_datetime :public Field_str { int store(const char *to,uint length,CHARSET_INFO *charset); int store(double nr); int store(longlong nr); void store_time(TIME *ltime,timestamp_type type); int store_time(TIME *ltime, timestamp_type type); void reset(void) { ptr[0]=ptr[1]=ptr[2]=ptr[3]=ptr[4]=ptr[5]=ptr[6]=ptr[7]=0; } double val_real(void); longlong val_int(void); Loading Loading @@ -909,9 +907,11 @@ class Field_string :public Field_str { enum_field_types type() const { return ((table && table->db_create_options & HA_OPTION_PACK_RECORD && field_length >= 4) ? FIELD_TYPE_VAR_STRING : FIELD_TYPE_STRING); return ((orig_table && orig_table->s->db_create_options & HA_OPTION_PACK_RECORD && field_length >= 4) && orig_table->s->frm_version < FRM_VER_TRUE_VARCHAR ? MYSQL_TYPE_VAR_STRING : MYSQL_TYPE_STRING); } enum ha_base_keytype key_type() const { return binary() ? HA_KEYTYPE_BINARY : HA_KEYTYPE_TEXT; } Loading @@ -928,8 +928,9 @@ class Field_string :public Field_str { void sql_type(String &str) const; char *pack(char *to, const char *from, uint max_length=~(uint) 0); const char *unpack(char* to, const char *from); int pack_cmp(const char *a,const char *b,uint key_length); int pack_cmp(const char *b,uint key_length); int pack_cmp(const char *a,const char *b,uint key_length, my_bool insert_or_update); int pack_cmp(const char *b,uint key_length,my_bool insert_or_update); uint packed_col_length(const char *to, uint length); uint max_packed_col_length(uint max_length); uint size_of() const { return sizeof(*this); } Loading @@ -937,31 +938,43 @@ class Field_string :public Field_str { bool has_charset(void) const { return charset() == &my_charset_bin ? FALSE : TRUE; } field_cast_enum field_cast_type() { return FIELD_CAST_STRING; } Field *new_field(MEM_ROOT *root, struct st_table *new_table); }; class Field_varstring :public Field_str { public: Field_varstring(char *ptr_arg, uint32 len_arg,uchar *null_ptr_arg, /* Store number of bytes used to store length (1 or 2) */ uint32 length_bytes; Field_varstring(char *ptr_arg, uint32 len_arg, uint length_bytes_arg, uchar *null_ptr_arg, uchar null_bit_arg, enum utype unireg_check_arg, const char *field_name_arg, struct st_table *table_arg, CHARSET_INFO *cs) :Field_str(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, unireg_check_arg, field_name_arg, table_arg, cs) {} unireg_check_arg, field_name_arg, table_arg, cs), length_bytes(length_bytes_arg) { if (table) table->s->varchar_fields++; } Field_varstring(uint32 len_arg,bool maybe_null_arg, const char *field_name_arg, struct st_table *table_arg, CHARSET_INFO *cs) :Field_str((char*) 0,len_arg, maybe_null_arg ? (uchar*) "": 0,0, NONE, field_name_arg, table_arg, cs) {} NONE, field_name_arg, table_arg, cs), length_bytes(len_arg < 256 ? 1 :2) { if (table) table->s->varchar_fields++; } enum_field_types type() const { return FIELD_TYPE_VAR_STRING; } enum ha_base_keytype key_type() const { return binary() ? HA_KEYTYPE_VARBINARY : HA_KEYTYPE_VARTEXT; } enum_field_types type() const { return MYSQL_TYPE_VARCHAR; } enum ha_base_keytype key_type() const; bool zero_pack() const { return 0; } void reset(void) { bzero(ptr,field_length+2); } uint32 pack_length() const { return (uint32) field_length+2; } void reset(void) { bzero(ptr,field_length+length_bytes); } uint32 pack_length() const { return (uint32) field_length+length_bytes; } uint32 key_length() const { return (uint32) field_length; } int store(const char *to,uint length,CHARSET_INFO *charset); int store(longlong nr); Loading @@ -971,21 +984,31 @@ class Field_varstring :public Field_str { String *val_str(String*,String *); int cmp(const char *,const char*); void sort_string(char *buff,uint length); void get_key_image(char *buff,uint length, CHARSET_INFO *cs, imagetype type); void set_key_image(char *buff,uint length, CHARSET_INFO *cs); void get_key_image(char *buff,uint length, imagetype type); void set_key_image(char *buff,uint length); void sql_type(String &str) const; char *pack(char *to, const char *from, uint max_length=~(uint) 0); 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(char* to, const char *from); int pack_cmp(const char *a, const char *b, uint key_length); int pack_cmp(const char *b, uint key_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, my_bool insert_or_update); int pack_cmp(const char *b, uint key_length,my_bool insert_or_update); int cmp_binary(const char *a,const char *b, uint32 max_length=~0L); int key_cmp(const byte *,const byte*); int key_cmp(const byte *str, uint length); uint packed_col_length(const char *to, uint length); uint max_packed_col_length(uint max_length); uint size_of() const { return sizeof(*this); } enum_field_types real_type() const { return FIELD_TYPE_VAR_STRING; } enum_field_types real_type() const { return MYSQL_TYPE_VARCHAR; } bool has_charset(void) const { return charset() == &my_charset_bin ? FALSE : TRUE; } field_cast_enum field_cast_type() { return FIELD_CAST_VARSTRING; } Field *new_field(MEM_ROOT *root, struct st_table *new_table); Field *new_key_field(MEM_ROOT *root, struct st_table *new_table, char *new_ptr, uchar *new_null_ptr, uint new_null_bit); }; Loading @@ -1008,7 +1031,7 @@ class Field_blob :public Field_str { } enum_field_types type() const { return FIELD_TYPE_BLOB;} enum ha_base_keytype key_type() const { return binary() ? HA_KEYTYPE_VARBINARY : HA_KEYTYPE_VARTEXT; } { return binary() ? HA_KEYTYPE_VARBINARY2 : HA_KEYTYPE_VARTEXT2; } int store(const char *to,uint length,CHARSET_INFO *charset); int store(double nr); int store(longlong nr); Loading @@ -1017,15 +1040,13 @@ class Field_blob :public Field_str { String *val_str(String*,String *); int cmp(const char *,const char*); int cmp(const char *a, uint32 a_length, const char *b, uint32 b_length); int cmp_offset(uint offset); int cmp_binary(const char *a,const char *b, uint32 max_length=~0L); int cmp_binary_offset(uint row_offset); int key_cmp(const byte *,const byte*); int key_cmp(const byte *str, uint length); uint32 key_length() const { return 0; } void sort_string(char *buff,uint length); uint32 pack_length() const { return (uint32) (packlength+table->blob_ptr_size); } { return (uint32) (packlength+table->s->blob_ptr_size); } inline uint32 max_data_length() const { return (uint32) (((ulonglong) 1 << (packlength*8)) -1); Loading @@ -1051,8 +1072,8 @@ class Field_blob :public Field_str { store_length(length); memcpy_fixed(ptr+packlength,&data,sizeof(char*)); } void get_key_image(char *buff,uint length, CHARSET_INFO *cs, imagetype type); void set_key_image(char *buff,uint length, CHARSET_INFO *cs); void get_key_image(char *buff,uint length, imagetype type); void set_key_image(char *buff,uint length); void sql_type(String &str) const; inline bool copy() { char *tmp; Loading @@ -1066,12 +1087,13 @@ class Field_blob :public Field_str { return 0; } char *pack(char *to, const char *from, uint max_length= ~(uint) 0); 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(char *to, const char *from); 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); int pack_cmp(const char *a, const char *b, uint key_length, my_bool insert_or_update); int pack_cmp(const char *b, uint key_length,my_bool insert_or_update); uint packed_col_length(const char *col_ptr, uint length); uint max_packed_col_length(uint max_length); void free() { value.free(); } Loading @@ -1084,6 +1106,7 @@ class Field_blob :public Field_str { uint32 max_length(); }; #ifdef HAVE_SPATIAL class Field_geom :public Field_blob { public: Loading @@ -1101,19 +1124,19 @@ class Field_geom :public Field_blob { :Field_blob(len_arg, maybe_null_arg, field_name_arg, table_arg, &my_charset_bin) { geom_type= geom_type_arg; } enum ha_base_keytype key_type() const { return HA_KEYTYPE_VARBINARY; } enum ha_base_keytype key_type() const { return HA_KEYTYPE_VARBINARY2; } enum_field_types type() const { return FIELD_TYPE_GEOMETRY; } void sql_type(String &str) const; int store(const char *to, uint length, CHARSET_INFO *charset); int store(double nr) { return 1; } int store(longlong nr) { return 1; } void get_key_image(char *buff,uint length, CHARSET_INFO *cs,imagetype type); void set_key_image(char *buff,uint length, CHARSET_INFO *cs); void get_key_image(char *buff,uint length,imagetype type); field_cast_enum field_cast_type() { return FIELD_CAST_GEOM; } }; #endif /*HAVE_SPATIAL*/ class Field_enum :public Field_str { protected: uint packlength; Loading Loading @@ -1182,6 +1205,52 @@ class Field_set :public Field_enum { }; class Field_bit :public Field { public: uchar *bit_ptr; // position in record where 'uneven' bits store uchar bit_ofs; // offset to 'uneven' high bits uint bit_len; // number of 'uneven' high bits Field_bit(char *ptr_arg, uint32 len_arg, uchar *null_ptr_arg, uchar null_bit_arg, uchar *bit_ptr_arg, uchar bit_ofs_arg, enum utype unireg_check_arg, const char *field_name_arg, struct st_table *table_arg); enum_field_types type() const { return FIELD_TYPE_BIT; } enum ha_base_keytype key_type() const { return HA_KEYTYPE_BIT; } uint32 key_length() const { return (uint32) field_length + (bit_len > 0); } uint32 max_length() { return (uint32) field_length + (bit_len > 0); } uint size_of() const { return sizeof(*this); } Item_result result_type () const { return INT_RESULT; } void reset(void) { bzero(ptr, field_length); } int store(const char *to, uint length, CHARSET_INFO *charset); int store(double nr); int store(longlong nr); double val_real(void); longlong val_int(void); String *val_str(String*, String *); int cmp(const char *a, const char *b) { return cmp_binary(a, b); } int key_cmp(const byte *a, const byte *b) { return cmp_binary((char *) a, (char *) b); } int key_cmp(const byte *str, uint length); int cmp_offset(uint row_offset); void get_key_image(char *buff, uint length, imagetype type); void set_key_image(char *buff, uint length) { Field_bit::store(buff, length, &my_charset_bin); } void sort_string(char *buff, uint length) { get_key_image(buff, length, itRAW); } uint32 pack_length() const { return (uint32) field_length + (bit_len > 0); } uint32 pack_length_in_rec() const { return field_length; } void sql_type(String &str) const; field_cast_enum field_cast_type() { return FIELD_CAST_BIT; } char *pack(char *to, const char *from, uint max_length=~(uint) 0); const char *unpack(char* to, const char *from); Field *new_key_field(MEM_ROOT *root, struct st_table *new_table, char *new_ptr, uchar *new_null_ptr, uint new_null_bit); }; /* Create field class for CREATE TABLE */ Loading @@ -1194,8 +1263,8 @@ class create_field :public Sql_alloc { LEX_STRING comment; // Comment for field Item *def; // Default value enum enum_field_types sql_type; uint32 length; uint decimals,flags,pack_length; ulong length; uint decimals, flags, pack_length, key_length; Field::utype unireg_check; TYPELIB *interval; // Which interval to use List<String> interval_list; Loading Loading @@ -1260,11 +1329,10 @@ Field *make_field(char *ptr, uint32 field_length, TYPELIB *interval, const char *field_name, struct st_table *table); uint pack_length_to_packflag(uint type); enum_field_types get_blob_type_from_length(ulong length); uint32 calc_pack_length(enum_field_types type,uint32 length); int set_field_to_null(Field *field); int set_field_to_null_with_conversions(Field *field, bool no_conversions); bool test_if_int(const char *str, int length, const char *int_end, CHARSET_INFO *cs); bool field_types_to_be_kept(enum_field_types field_type); /* Loading @@ -1284,6 +1352,7 @@ bool field_types_to_be_kept(enum_field_types field_type); #define FIELDFLAG_LEFT_FULLSCREEN 8192 #define FIELDFLAG_RIGHT_FULLSCREEN 16384 #define FIELDFLAG_FORMAT_NUMBER 16384 // predit: ###,,## in output #define FIELDFLAG_NO_DEFAULT 16384 /* sql */ #define FIELDFLAG_SUM ((uint) 32768)// predit: +#fieldflag #define FIELDFLAG_MAYBE_NULL ((uint) 32768)// sql #define FIELDFLAG_PACK_SHIFT 3 Loading @@ -1292,8 +1361,6 @@ bool field_types_to_be_kept(enum_field_types field_type); #define FIELDFLAG_NUM_SCREEN_TYPE 0x7F01 #define FIELDFLAG_ALFA_SCREEN_TYPE 0x7800 #define FIELD_SORT_REVERSE 16384 #define MTYP_TYPENR(type) (type & 127) /* Remove bits from type */ #define f_is_dec(x) ((x) & FIELDFLAG_DECIMAL) Loading @@ -1311,3 +1378,4 @@ bool field_types_to_be_kept(enum_field_types field_type); #define f_is_equ(x) ((x) & (1+2+FIELDFLAG_PACK+31*256)) #define f_settype(x) (((int) x) << FIELDFLAG_PACK_SHIFT) #define f_maybe_null(x) (x & FIELDFLAG_MAYBE_NULL) #define f_no_default(x) (x & FIELDFLAG_NO_DEFAULT) Loading
sql/field.h +154 −86 Original line number Diff line number Diff line Loading @@ -37,11 +37,7 @@ class Field void operator=(Field &); public: static void *operator new(size_t size) {return (void*) sql_alloc((uint) size); } static void operator delete(void *ptr_arg, size_t size) { #ifdef SAFEMALLOC bfill(ptr_arg, size, 0x8F); #endif } static void operator delete(void *ptr_arg, size_t size) { TRASH(ptr_arg, size); } char *ptr; // Position to field in record uchar *null_ptr; // Byte where null_bit is Loading @@ -51,7 +47,7 @@ class Field */ struct st_table *table; // Pointer for table struct st_table *orig_table; // Pointer to original table const char *table_name,*field_name; const char **table_name, *field_name; LEX_STRING comment; ulong query_id; // For quick test of used fields /* Field is part of the following keys */ Loading Loading @@ -84,7 +80,7 @@ class Field FIELD_CAST_TIMESTAMP, FIELD_CAST_YEAR, FIELD_CAST_DATE, FIELD_CAST_NEWDATE, FIELD_CAST_TIME, FIELD_CAST_DATETIME, FIELD_CAST_STRING, FIELD_CAST_VARSTRING, FIELD_CAST_BLOB, FIELD_CAST_GEOM, FIELD_CAST_ENUM, FIELD_CAST_SET FIELD_CAST_GEOM, FIELD_CAST_ENUM, FIELD_CAST_SET, FIELD_CAST_BIT }; utype unireg_check; Loading @@ -100,7 +96,7 @@ class Field virtual int store(const char *to,uint length,CHARSET_INFO *cs)=0; virtual int store(double nr)=0; virtual int store(longlong nr)=0; virtual void store_time(TIME *ltime,timestamp_type t_type); virtual int store_time(TIME *ltime, timestamp_type t_type); virtual double val_real(void)=0; virtual longlong val_int(void)=0; inline String *val_str(String *str) { return val_str(str, str); } Loading @@ -117,16 +113,22 @@ class Field This trickery is used to decrease a number of malloc calls. */ virtual String *val_str(String*,String *)=0; String *val_int_as_str(String *val_buffer, my_bool unsigned_flag); virtual Item_result result_type () const=0; virtual Item_result cmp_type () const { return result_type(); } bool eq(Field *field) { return ptr == field->ptr && null_ptr == field->null_ptr; } bool eq(Field *field) { return (ptr == field->ptr && null_ptr == field->null_ptr && null_bit == field->null_bit); } virtual bool eq_def(Field *field); virtual uint32 pack_length() const { return (uint32) field_length; } virtual uint32 pack_length_in_rec() const { return pack_length(); } virtual void reset(void) { bzero(ptr,pack_length()); } virtual void reset_fields() {} virtual void set_default() { my_ptrdiff_t offset = (my_ptrdiff_t) (table->default_values - my_ptrdiff_t offset = (my_ptrdiff_t) (table->s->default_values - table->record[0]); memcpy(ptr, ptr + offset, pack_length()); if (null_ptr) Loading @@ -143,10 +145,9 @@ class Field virtual int cmp(const char *,const char *)=0; virtual int cmp_binary(const char *a,const char *b, uint32 max_length=~0L) { return memcmp(a,b,pack_length()); } virtual int cmp_offset(uint row_offset) { return memcmp(ptr,ptr+row_offset,pack_length()); } virtual int cmp_binary_offset(uint row_offset) { return memcmp(ptr,ptr+row_offset,pack_length()); } int cmp_offset(uint row_offset) { return cmp(ptr,ptr+row_offset); } int cmp_binary_offset(uint row_offset) { return cmp_binary(ptr, ptr+row_offset); }; virtual int key_cmp(const byte *a,const byte *b) { return cmp((char*) a,(char*) b); } virtual int key_cmp(const byte *str, uint length) Loading Loading @@ -176,7 +177,7 @@ class Field { if (null_ptr) null_ptr[row_offset]&= (uchar) ~null_bit; } inline bool maybe_null(void) { return null_ptr != 0 || table->maybe_null; } inline bool real_maybe_null(void) { return null_ptr != 0; } virtual void make_field(Send_field *)=0; virtual void make_field(Send_field *); virtual void sort_string(char *buff,uint length)=0; virtual bool optimize_range(uint idx, uint part); /* Loading @@ -188,28 +189,11 @@ class Field */ virtual bool can_be_compared_as_longlong() const { return FALSE; } virtual void free() {} Field *new_field(MEM_ROOT *root, struct st_table *new_table) { Field *tmp= (Field*) memdup_root(root,(char*) this,size_of()); if (tmp) { if (tmp->table->maybe_null) tmp->flags&= ~NOT_NULL_FLAG; tmp->table= new_table; tmp->key_start.init(0); tmp->part_of_key.init(0); tmp->part_of_sortkey.init(0); tmp->unireg_check=Field::NONE; tmp->flags&= (NOT_NULL_FLAG | BLOB_FLAG | UNSIGNED_FLAG | ZEROFILL_FLAG | BINARY_FLAG | ENUM_FLAG | SET_FLAG); #ifdef PROBABLY_WRONG tmp->table_name= new_table->table_name; #endif tmp->reset_fields(); } return tmp; } inline void move_field(char *ptr_arg,uchar *null_ptr_arg,uchar null_bit_arg) virtual Field *new_field(MEM_ROOT *root, struct st_table *new_table); virtual Field *new_key_field(MEM_ROOT *root, struct st_table *new_table, char *new_ptr, uchar *new_null_ptr, uint new_null_bit); virtual void move_field(char *ptr_arg,uchar *null_ptr_arg,uchar null_bit_arg) { ptr=ptr_arg; null_ptr=null_ptr_arg; null_bit=null_bit_arg; } Loading @@ -224,11 +208,10 @@ class Field { memcpy(buff,ptr,length); } inline void set_image(char *buff,uint length, CHARSET_INFO *cs) { memcpy(ptr,buff,length); } virtual void get_key_image(char *buff,uint length, CHARSET_INFO *cs, imagetype type) { get_image(buff,length,cs); } virtual void set_key_image(char *buff,uint length, CHARSET_INFO *cs) { set_image(buff,length,cs); } virtual void get_key_image(char *buff, uint length, imagetype type) { get_image(buff,length, &my_charset_bin); } virtual void set_key_image(char *buff,uint length) { set_image(buff,length, &my_charset_bin); } inline longlong val_int_offset(uint row_offset) { ptr+=row_offset; Loading @@ -236,6 +219,17 @@ class Field ptr-=row_offset; return tmp; } inline String *val_str(String *str, char *new_ptr) { char *old_ptr= ptr; ptr= new_ptr; val_str(str); ptr= old_ptr; return str; } bool quote_data(String *unquoted_string); bool needs_quotes(void); virtual bool send_binary(Protocol *protocol); virtual char *pack(char* to, const char *from, uint max_length=~(uint) 0) { Loading Loading @@ -267,9 +261,11 @@ class Field virtual uint max_packed_col_length(uint max_length) { return max_length;} virtual int pack_cmp(const char *a,const char *b, uint key_length_arg) virtual int pack_cmp(const char *a,const char *b, uint key_length_arg, my_bool insert_or_update) { return cmp(a,b); } virtual int pack_cmp(const char *b, uint key_length_arg) virtual int pack_cmp(const char *b, uint key_length_arg, my_bool insert_or_update) { return cmp(ptr,b); } uint offset(); // Should be inline ... void copy_from_tmp(int offset); Loading @@ -281,6 +277,8 @@ class Field virtual void set_charset(CHARSET_INFO *charset) { } bool set_warning(const unsigned int level, const unsigned int code, int cuted_increment); bool check_int(const char *str, int length, const char *int_end, CHARSET_INFO *cs); void set_datetime_warning(const uint level, const uint code, const char *str, uint str_len, timestamp_type ts_type, int cuted_increment); Loading Loading @@ -360,7 +358,6 @@ class Field_str :public Field { int store(double nr); int store(longlong nr)=0; int store(const char *to,uint length,CHARSET_INFO *cs)=0; void make_field(Send_field *); uint size_of() const { return sizeof(*this); } CHARSET_INFO *charset(void) const { return field_charset; } void set_charset(CHARSET_INFO *charset) { field_charset=charset; } Loading Loading @@ -719,7 +716,7 @@ class Field_timestamp :public Field_str { if ((*null_value= is_null())) return 0; #ifdef WORDS_BIGENDIAN if (table->db_low_byte_first) if (table->s->db_low_byte_first) return sint4korr(ptr); #endif long tmp; Loading Loading @@ -803,7 +800,7 @@ class Field_newdate :public Field_str { int store(const char *to,uint length,CHARSET_INFO *charset); int store(double nr); int store(longlong nr); void store_time(TIME *ltime,timestamp_type type); int store_time(TIME *ltime, timestamp_type type); void reset(void) { ptr[0]=ptr[1]=ptr[2]=0; } double val_real(void); longlong val_int(void); Loading Loading @@ -836,6 +833,7 @@ class Field_time :public Field_str { enum_field_types type() const { return FIELD_TYPE_TIME;} enum ha_base_keytype key_type() const { return HA_KEYTYPE_INT24; } enum Item_result cmp_type () const { return INT_RESULT; } int store_time(TIME *ltime, timestamp_type type); int store(const char *to,uint length,CHARSET_INFO *charset); int store(double nr); int store(longlong nr); Loading Loading @@ -876,7 +874,7 @@ class Field_datetime :public Field_str { int store(const char *to,uint length,CHARSET_INFO *charset); int store(double nr); int store(longlong nr); void store_time(TIME *ltime,timestamp_type type); int store_time(TIME *ltime, timestamp_type type); void reset(void) { ptr[0]=ptr[1]=ptr[2]=ptr[3]=ptr[4]=ptr[5]=ptr[6]=ptr[7]=0; } double val_real(void); longlong val_int(void); Loading Loading @@ -909,9 +907,11 @@ class Field_string :public Field_str { enum_field_types type() const { return ((table && table->db_create_options & HA_OPTION_PACK_RECORD && field_length >= 4) ? FIELD_TYPE_VAR_STRING : FIELD_TYPE_STRING); return ((orig_table && orig_table->s->db_create_options & HA_OPTION_PACK_RECORD && field_length >= 4) && orig_table->s->frm_version < FRM_VER_TRUE_VARCHAR ? MYSQL_TYPE_VAR_STRING : MYSQL_TYPE_STRING); } enum ha_base_keytype key_type() const { return binary() ? HA_KEYTYPE_BINARY : HA_KEYTYPE_TEXT; } Loading @@ -928,8 +928,9 @@ class Field_string :public Field_str { void sql_type(String &str) const; char *pack(char *to, const char *from, uint max_length=~(uint) 0); const char *unpack(char* to, const char *from); int pack_cmp(const char *a,const char *b,uint key_length); int pack_cmp(const char *b,uint key_length); int pack_cmp(const char *a,const char *b,uint key_length, my_bool insert_or_update); int pack_cmp(const char *b,uint key_length,my_bool insert_or_update); uint packed_col_length(const char *to, uint length); uint max_packed_col_length(uint max_length); uint size_of() const { return sizeof(*this); } Loading @@ -937,31 +938,43 @@ class Field_string :public Field_str { bool has_charset(void) const { return charset() == &my_charset_bin ? FALSE : TRUE; } field_cast_enum field_cast_type() { return FIELD_CAST_STRING; } Field *new_field(MEM_ROOT *root, struct st_table *new_table); }; class Field_varstring :public Field_str { public: Field_varstring(char *ptr_arg, uint32 len_arg,uchar *null_ptr_arg, /* Store number of bytes used to store length (1 or 2) */ uint32 length_bytes; Field_varstring(char *ptr_arg, uint32 len_arg, uint length_bytes_arg, uchar *null_ptr_arg, uchar null_bit_arg, enum utype unireg_check_arg, const char *field_name_arg, struct st_table *table_arg, CHARSET_INFO *cs) :Field_str(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, unireg_check_arg, field_name_arg, table_arg, cs) {} unireg_check_arg, field_name_arg, table_arg, cs), length_bytes(length_bytes_arg) { if (table) table->s->varchar_fields++; } Field_varstring(uint32 len_arg,bool maybe_null_arg, const char *field_name_arg, struct st_table *table_arg, CHARSET_INFO *cs) :Field_str((char*) 0,len_arg, maybe_null_arg ? (uchar*) "": 0,0, NONE, field_name_arg, table_arg, cs) {} NONE, field_name_arg, table_arg, cs), length_bytes(len_arg < 256 ? 1 :2) { if (table) table->s->varchar_fields++; } enum_field_types type() const { return FIELD_TYPE_VAR_STRING; } enum ha_base_keytype key_type() const { return binary() ? HA_KEYTYPE_VARBINARY : HA_KEYTYPE_VARTEXT; } enum_field_types type() const { return MYSQL_TYPE_VARCHAR; } enum ha_base_keytype key_type() const; bool zero_pack() const { return 0; } void reset(void) { bzero(ptr,field_length+2); } uint32 pack_length() const { return (uint32) field_length+2; } void reset(void) { bzero(ptr,field_length+length_bytes); } uint32 pack_length() const { return (uint32) field_length+length_bytes; } uint32 key_length() const { return (uint32) field_length; } int store(const char *to,uint length,CHARSET_INFO *charset); int store(longlong nr); Loading @@ -971,21 +984,31 @@ class Field_varstring :public Field_str { String *val_str(String*,String *); int cmp(const char *,const char*); void sort_string(char *buff,uint length); void get_key_image(char *buff,uint length, CHARSET_INFO *cs, imagetype type); void set_key_image(char *buff,uint length, CHARSET_INFO *cs); void get_key_image(char *buff,uint length, imagetype type); void set_key_image(char *buff,uint length); void sql_type(String &str) const; char *pack(char *to, const char *from, uint max_length=~(uint) 0); 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(char* to, const char *from); int pack_cmp(const char *a, const char *b, uint key_length); int pack_cmp(const char *b, uint key_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, my_bool insert_or_update); int pack_cmp(const char *b, uint key_length,my_bool insert_or_update); int cmp_binary(const char *a,const char *b, uint32 max_length=~0L); int key_cmp(const byte *,const byte*); int key_cmp(const byte *str, uint length); uint packed_col_length(const char *to, uint length); uint max_packed_col_length(uint max_length); uint size_of() const { return sizeof(*this); } enum_field_types real_type() const { return FIELD_TYPE_VAR_STRING; } enum_field_types real_type() const { return MYSQL_TYPE_VARCHAR; } bool has_charset(void) const { return charset() == &my_charset_bin ? FALSE : TRUE; } field_cast_enum field_cast_type() { return FIELD_CAST_VARSTRING; } Field *new_field(MEM_ROOT *root, struct st_table *new_table); Field *new_key_field(MEM_ROOT *root, struct st_table *new_table, char *new_ptr, uchar *new_null_ptr, uint new_null_bit); }; Loading @@ -1008,7 +1031,7 @@ class Field_blob :public Field_str { } enum_field_types type() const { return FIELD_TYPE_BLOB;} enum ha_base_keytype key_type() const { return binary() ? HA_KEYTYPE_VARBINARY : HA_KEYTYPE_VARTEXT; } { return binary() ? HA_KEYTYPE_VARBINARY2 : HA_KEYTYPE_VARTEXT2; } int store(const char *to,uint length,CHARSET_INFO *charset); int store(double nr); int store(longlong nr); Loading @@ -1017,15 +1040,13 @@ class Field_blob :public Field_str { String *val_str(String*,String *); int cmp(const char *,const char*); int cmp(const char *a, uint32 a_length, const char *b, uint32 b_length); int cmp_offset(uint offset); int cmp_binary(const char *a,const char *b, uint32 max_length=~0L); int cmp_binary_offset(uint row_offset); int key_cmp(const byte *,const byte*); int key_cmp(const byte *str, uint length); uint32 key_length() const { return 0; } void sort_string(char *buff,uint length); uint32 pack_length() const { return (uint32) (packlength+table->blob_ptr_size); } { return (uint32) (packlength+table->s->blob_ptr_size); } inline uint32 max_data_length() const { return (uint32) (((ulonglong) 1 << (packlength*8)) -1); Loading @@ -1051,8 +1072,8 @@ class Field_blob :public Field_str { store_length(length); memcpy_fixed(ptr+packlength,&data,sizeof(char*)); } void get_key_image(char *buff,uint length, CHARSET_INFO *cs, imagetype type); void set_key_image(char *buff,uint length, CHARSET_INFO *cs); void get_key_image(char *buff,uint length, imagetype type); void set_key_image(char *buff,uint length); void sql_type(String &str) const; inline bool copy() { char *tmp; Loading @@ -1066,12 +1087,13 @@ class Field_blob :public Field_str { return 0; } char *pack(char *to, const char *from, uint max_length= ~(uint) 0); 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(char *to, const char *from); 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); int pack_cmp(const char *a, const char *b, uint key_length, my_bool insert_or_update); int pack_cmp(const char *b, uint key_length,my_bool insert_or_update); uint packed_col_length(const char *col_ptr, uint length); uint max_packed_col_length(uint max_length); void free() { value.free(); } Loading @@ -1084,6 +1106,7 @@ class Field_blob :public Field_str { uint32 max_length(); }; #ifdef HAVE_SPATIAL class Field_geom :public Field_blob { public: Loading @@ -1101,19 +1124,19 @@ class Field_geom :public Field_blob { :Field_blob(len_arg, maybe_null_arg, field_name_arg, table_arg, &my_charset_bin) { geom_type= geom_type_arg; } enum ha_base_keytype key_type() const { return HA_KEYTYPE_VARBINARY; } enum ha_base_keytype key_type() const { return HA_KEYTYPE_VARBINARY2; } enum_field_types type() const { return FIELD_TYPE_GEOMETRY; } void sql_type(String &str) const; int store(const char *to, uint length, CHARSET_INFO *charset); int store(double nr) { return 1; } int store(longlong nr) { return 1; } void get_key_image(char *buff,uint length, CHARSET_INFO *cs,imagetype type); void set_key_image(char *buff,uint length, CHARSET_INFO *cs); void get_key_image(char *buff,uint length,imagetype type); field_cast_enum field_cast_type() { return FIELD_CAST_GEOM; } }; #endif /*HAVE_SPATIAL*/ class Field_enum :public Field_str { protected: uint packlength; Loading Loading @@ -1182,6 +1205,52 @@ class Field_set :public Field_enum { }; class Field_bit :public Field { public: uchar *bit_ptr; // position in record where 'uneven' bits store uchar bit_ofs; // offset to 'uneven' high bits uint bit_len; // number of 'uneven' high bits Field_bit(char *ptr_arg, uint32 len_arg, uchar *null_ptr_arg, uchar null_bit_arg, uchar *bit_ptr_arg, uchar bit_ofs_arg, enum utype unireg_check_arg, const char *field_name_arg, struct st_table *table_arg); enum_field_types type() const { return FIELD_TYPE_BIT; } enum ha_base_keytype key_type() const { return HA_KEYTYPE_BIT; } uint32 key_length() const { return (uint32) field_length + (bit_len > 0); } uint32 max_length() { return (uint32) field_length + (bit_len > 0); } uint size_of() const { return sizeof(*this); } Item_result result_type () const { return INT_RESULT; } void reset(void) { bzero(ptr, field_length); } int store(const char *to, uint length, CHARSET_INFO *charset); int store(double nr); int store(longlong nr); double val_real(void); longlong val_int(void); String *val_str(String*, String *); int cmp(const char *a, const char *b) { return cmp_binary(a, b); } int key_cmp(const byte *a, const byte *b) { return cmp_binary((char *) a, (char *) b); } int key_cmp(const byte *str, uint length); int cmp_offset(uint row_offset); void get_key_image(char *buff, uint length, imagetype type); void set_key_image(char *buff, uint length) { Field_bit::store(buff, length, &my_charset_bin); } void sort_string(char *buff, uint length) { get_key_image(buff, length, itRAW); } uint32 pack_length() const { return (uint32) field_length + (bit_len > 0); } uint32 pack_length_in_rec() const { return field_length; } void sql_type(String &str) const; field_cast_enum field_cast_type() { return FIELD_CAST_BIT; } char *pack(char *to, const char *from, uint max_length=~(uint) 0); const char *unpack(char* to, const char *from); Field *new_key_field(MEM_ROOT *root, struct st_table *new_table, char *new_ptr, uchar *new_null_ptr, uint new_null_bit); }; /* Create field class for CREATE TABLE */ Loading @@ -1194,8 +1263,8 @@ class create_field :public Sql_alloc { LEX_STRING comment; // Comment for field Item *def; // Default value enum enum_field_types sql_type; uint32 length; uint decimals,flags,pack_length; ulong length; uint decimals, flags, pack_length, key_length; Field::utype unireg_check; TYPELIB *interval; // Which interval to use List<String> interval_list; Loading Loading @@ -1260,11 +1329,10 @@ Field *make_field(char *ptr, uint32 field_length, TYPELIB *interval, const char *field_name, struct st_table *table); uint pack_length_to_packflag(uint type); enum_field_types get_blob_type_from_length(ulong length); uint32 calc_pack_length(enum_field_types type,uint32 length); int set_field_to_null(Field *field); int set_field_to_null_with_conversions(Field *field, bool no_conversions); bool test_if_int(const char *str, int length, const char *int_end, CHARSET_INFO *cs); bool field_types_to_be_kept(enum_field_types field_type); /* Loading @@ -1284,6 +1352,7 @@ bool field_types_to_be_kept(enum_field_types field_type); #define FIELDFLAG_LEFT_FULLSCREEN 8192 #define FIELDFLAG_RIGHT_FULLSCREEN 16384 #define FIELDFLAG_FORMAT_NUMBER 16384 // predit: ###,,## in output #define FIELDFLAG_NO_DEFAULT 16384 /* sql */ #define FIELDFLAG_SUM ((uint) 32768)// predit: +#fieldflag #define FIELDFLAG_MAYBE_NULL ((uint) 32768)// sql #define FIELDFLAG_PACK_SHIFT 3 Loading @@ -1292,8 +1361,6 @@ bool field_types_to_be_kept(enum_field_types field_type); #define FIELDFLAG_NUM_SCREEN_TYPE 0x7F01 #define FIELDFLAG_ALFA_SCREEN_TYPE 0x7800 #define FIELD_SORT_REVERSE 16384 #define MTYP_TYPENR(type) (type & 127) /* Remove bits from type */ #define f_is_dec(x) ((x) & FIELDFLAG_DECIMAL) Loading @@ -1311,3 +1378,4 @@ bool field_types_to_be_kept(enum_field_types field_type); #define f_is_equ(x) ((x) & (1+2+FIELDFLAG_PACK+31*256)) #define f_settype(x) (((int) x) << FIELDFLAG_PACK_SHIFT) #define f_maybe_null(x) (x & FIELDFLAG_MAYBE_NULL) #define f_no_default(x) (x & FIELDFLAG_NO_DEFAULT)