dtype_t Struct Reference

#include <data0type.h>

Public Member Functions
bool	is_virtual () const
bool	is_mtype_valid () const
	Check if the value in mtype is valid. More...
std::ostream &	print (std::ostream &out) const
std::string	to_string () const

Public Attributes
unsigned	prtype: 32
	precise type; MySQL data type, charset code, flags to indicate nullability, signedness, whether this is a binary string, whether this is a true VARCHAR where MySQL uses 2 bytes to store the length More...
unsigned	mtype: 8
	main data type More...
unsigned	len: 16
	length; for MySQL data this is field->pack_length(), except that for a >= 5.0.3 type true VARCHAR this is the maximum byte length of the string data (in addition to the string, MySQL uses 1 or 2 bytes to store the string length) More...
unsigned	mbminmaxlen: 5
	minimum and maximum length of a character, in bytes; DATA_MBMINMAXLEN(mbminlen,mbmaxlen); mbminlen=DATA_MBMINLEN(mbminmaxlen); mbmaxlen=DATA_MBMINLEN(mbminmaxlen) More...

Member Function Documentation

is_mtype_valid()

bool dtype_t::is_mtype_valid ( ) const

inline

Check if the value in mtype is valid.

Returns

true if mtype is valid, false otherwise.

is_virtual()

bool dtype_t::is_virtual ( ) const

inline

print()

std::ostream & dtype_t::print

(

std::ostream &

out

)

const

to_string()

std::string dtype_t::to_string ( ) const

inline

Member Data Documentation

len

unsigned dtype_t::len

length; for MySQL data this is field->pack_length(), except that for a >= 5.0.3 type true VARCHAR this is the maximum byte length of the string data (in addition to the string, MySQL uses 1 or 2 bytes to store the string length)

mbminmaxlen

unsigned dtype_t::mbminmaxlen

minimum and maximum length of a character, in bytes; DATA_MBMINMAXLEN(mbminlen,mbmaxlen); mbminlen=DATA_MBMINLEN(mbminmaxlen); mbmaxlen=DATA_MBMINLEN(mbminmaxlen)

mtype

unsigned dtype_t::mtype

main data type

prtype

unsigned dtype_t::prtype

precise type; MySQL data type, charset code, flags to indicate nullability, signedness, whether this is a binary string, whether this is a true VARCHAR where MySQL uses 2 bytes to store the length

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The documentation for this struct was generated from the following files:

• storage/innobase/include/data0type.h
• storage/innobase/data/data0type.cc