vid_t Struct Reference
[Identifiers]

Collaboration diagram for vid_t:

[legend]List of all members.

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Detailed Description

Volume ID. See Identifiers.

This class represents a volume identifier, the id that is persistent in the database. It is usually a short integer. Its size is two bytes.

A volume id is part of record identifiers and store identifiers, as well as part of "long" page identifiers.

See Identifiers.

Examples:

create_rec.cpp, lockid_test.cpp, log_exceed.cpp, sort_stream.cpp, and vtable_example.cpp.

Definition at line 54 of file vid_t.h.

Public Types
enum
Public Member Functions
	vid_t ()
	vid_t (uint2_t v)
void	init_local ()
void	incr_local ()
	operator uint2_t () const
Public Attributes
uint2_t	vol
Static Public Attributes
static const vid_t	null
Friends
ostream &	operator<< (ostream &, const vid_t &v)
istream &	operator>> (istream &, vid_t &v)
bool	operator== (const vid_t &v1, const vid_t &v2)
bool	operator!= (const vid_t &v1, const vid_t &v2)

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

• src/common/vid_t.h
• src/common/vid_t.cpp

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