my_decimal Class Reference

my_decimal class limits 'decimal_t' type to what we need in MySQL. More...

#include <my_decimal.h>

Inheritance diagram for my_decimal:

Public Member Functions
	my_decimal (const my_decimal &rhs)
my_decimal &	operator= (const my_decimal &rhs)
void	init ()
	my_decimal ()
	~my_decimal ()
void	sanity_check () const
bool	sign () const
void	sign (bool s)
uint	precision () const
void	swap (my_decimal &rhs)
	Swap two my_decimal values. More...
int	check_result (uint, int result) const
	report result of decimal operation. More...

Private Attributes
std::array< decimal_digit_t, DECIMAL_BUFF_LENGTH >	buffer

Additional Inherited Members
Public Attributes inherited from decimal_t
int	intg
	The number of decimal digits (NOT number of decimal_digit_t's !) before the point. More...
int	frac
	The number of decimal digits after the point. More...
int	len
	The length of buf (length of allocated space) in decimal_digit_t's, not in bytes. More...
bool	sign
	False means positive, true means negative. More...
decimal_digit_t *	buf
	An array of decimal_digit_t's. More...

Detailed Description

my_decimal class limits 'decimal_t' type to what we need in MySQL.

It contains internally all necessary space needed by the instance so no extra memory is needed. Objects should be moved using copy CTOR or assignment operator, rather than memcpy/memmove.

Constructor & Destructor Documentation

my_decimal() [1/2]

my_decimal::my_decimal ( const my_decimal &  rhs )

inline

my_decimal() [2/2]

my_decimal::my_decimal ( )

inline

~my_decimal()

my_decimal::~my_decimal ( )

inline

Member Function Documentation

check_result()

int my_decimal::check_result	(	uint	mask,
		int	result
	)		const

report result of decimal operation.

Parameters

mask	bitmask filtering result, most likely E_DEC_FATAL_ERROR
result	decimal library return code (E_DEC_* see include/decimal.h)

Returns

result

init()

void my_decimal::init ( )

inline

operator=()

my_decimal & my_decimal::operator= ( const my_decimal &  rhs )

inline

precision()

uint my_decimal::precision ( ) const

inline

sanity_check()

void my_decimal::sanity_check ( ) const

inline

sign() [1/2]

bool my_decimal::sign ( ) const

inline

sign() [2/2]

void my_decimal::sign ( bool  s )

inline

swap()

void my_decimal::swap ( my_decimal &  rhs )

inline

Swap two my_decimal values.

Member Data Documentation

buffer

std::array<decimal_digit_t, DECIMAL_BUFF_LENGTH> my_decimal::buffer

private

---

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

• sql-common/my_decimal.h
• sql-common/my_decimal.cc