Field_timef Class Reference

Inheritance diagram for Field_timef:

List of all members.

Public Member Functions
	Field_timef (uchar *ptr_arg, uchar *null_ptr_arg, uchar null_bit_arg, enum utype unireg_check_arg, const char *field_name_arg, uint8 dec_arg)
	Field_timef (bool maybe_null_arg, const char *field_name_arg, uint8 dec_arg)
Field_timef *	clone (MEM_ROOT *mem_root) const
Field_timef *	clone () const
uint	decimals () const
enum_field_types	type () const
enum_field_types	real_type () const
enum_field_types	binlog_type () const
type_conversion_status	store_packed (longlong nr)
type_conversion_status	reset ()
double	val_real ()
longlong	val_int ()
longlong	val_time_temporal ()
bool	get_time (MYSQL_TIME *ltime)
my_decimal *	val_decimal (my_decimal *)
uint32	pack_length () const
virtual uint	pack_length_from_metadata (uint field_metadata)
uint	row_pack_length () const
void	sql_type (String &str) const
bool	zero_pack () const
const CHARSET_INFO *	sort_charset (void) const
void	make_sort_key (uchar *to, uint length)
int	cmp (const uchar *a_ptr, const uchar *b_ptr)
Protected Member Functions
type_conversion_status	store_internal (const MYSQL_TIME *ltime, int *error)

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Constructor & Destructor Documentation

Field_timef::Field_timef	(	uchar *	ptr_arg,
		uchar *	null_ptr_arg,
		uchar	null_bit_arg,
		enum utype	unireg_check_arg,
		const char *	field_name_arg,
		uint8	dec_arg
	)		[inline]

Constructor for Field_timef

Parameters:

ptr_arg	See Field definition
null_ptr_arg	See Field definition
null_bit_arg	See Field definition
unireg_check_arg	See Field definition
field_name_arg	See Field definition
dec_arg	Number of second fraction digits, 0..6.

Field_timef::Field_timef	(	bool	maybe_null_arg,
		const char *	field_name_arg,
		uint8	dec_arg
	)		[inline]

Constructor for Field_timef

Parameters:

maybe_null_arg	See Field definition
field_name_arg	See Field definition
dec_arg	Number of second fraction digits, 0..6.

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Member Function Documentation

Field_timef* Field_timef::clone

(

MEM_ROOT *

mem_root

)

const [inline, virtual]

Makes a shallow copy of the Field object.

Note:

This member function must be overridden in all concrete subclasses. Several of the Field subclasses are concrete even though they are not leaf classes, so the compiler will not always catch this.

Parameters:

mem_root

MEM_ROOT to use for memory allocation.

Return values:

NULL	If memory allocation failed.

Implements Field.

Field_timef* Field_timef::clone

(

)

const [inline, virtual]

Makes a shallow copy of the Field object.

Note:

This member function must be overridden in all concrete subclasses. Several of the Field subclasses are concrete even though they are not leaf classes, so the compiler will not always catch this.

Return values:

NULL	If memory allocation failed.

Implements Field.

void Field_timef::make_sort_key	(	uchar *	buff,
		uint	length
	)		[inline, virtual]

Writes a copy of the current value in the record buffer, suitable for sorting using byte-by-byte comparison. Integers are always in big-endian regardless of hardware architecture. At most length bytes are written into the buffer.

Parameters:

buff	The buffer, assumed to be at least length bytes.
length	Number of bytes to write.

Implements Field.

type_conversion_status Field_timef::store_internal	(	const MYSQL_TIME *	ltime,
		int *	error
	)		[protected, virtual]

Low-level function to store MYSQL_TIME value. The value must be rounded or truncated according to decimals().

Implements Field_time_common.

type_conversion_status Field_timef::store_packed

(

longlong

nr

)

[virtual]

Store a temporal value in packed longlong format into a field. The packed value is compatible with TIME_to_longlong_time_packed(), TIME_to_longlong_date_packed() or TIME_to_longlong_datetime_packed(). Note, the value must be properly rounded or truncated according according to field->decimals().

Parameters:

nr	temporal value in packed longlong format.

Return values:

false	on success
true	on error

Reimplemented from Field.

longlong Field_timef::val_time_temporal

(

)

[virtual]

Returns TIME value in packed longlong format. This method should not be called for non-temporal types. Temporal field types override the default method.

Reimplemented from Field.

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

• field.h
• field.cc