ChertDatabaseStats Class Reference

Chert class for database statistics. More...

#include <chert_dbstats.h>

Public Member Functions
	ChertDatabaseStats ()
Xapian::totallength	get_total_doclen () const
Xapian::docid	get_last_docid () const
Xapian::termcount	get_doclength_lower_bound () const
Xapian::termcount	get_doclength_upper_bound () const
Xapian::termcount	get_wdf_upper_bound () const
void	zero ()
void	read (ChertPostListTable &postlist_table)
void	set_last_docid (Xapian::docid did)
void	add_document (Xapian::termcount doclen)
void	delete_document (Xapian::termcount doclen)
void	check_wdf (Xapian::termcount wdf)
Xapian::docid	get_next_docid ()
void	write (ChertPostListTable &postlist_table) const

Private Member Functions
void	operator= (const ChertDatabaseStats &)
	Don't allow assignment. More...
	ChertDatabaseStats (const ChertDatabaseStats &)
	Don't allow copying. More...

Private Attributes
Xapian::totallength	total_doclen
	The total of the lengths of all documents in the database. More...
Xapian::docid	last_docid
	Greatest document id ever used in this database. More...
Xapian::termcount	doclen_lbound
	A lower bound on the smallest document length in this database. More...
Xapian::termcount	doclen_ubound
	An upper bound on the greatest document length in this database. More...
Xapian::termcount	wdf_ubound
	An upper bound on the greatest wdf in this database. More...

Detailed Description

Chert class for database statistics.

Definition at line 32 of file chert_dbstats.h.

Constructor & Destructor Documentation

ChertDatabaseStats() [1/2]

ChertDatabaseStats::ChertDatabaseStats ( const ChertDatabaseStats &  )

private

Don't allow copying.

ChertDatabaseStats() [2/2]

ChertDatabaseStats::ChertDatabaseStats ( )

inline

Definition at line 55 of file chert_dbstats.h.

Member Function Documentation

add_document()

void ChertDatabaseStats::add_document ( Xapian::termcount  doclen )

inline

Definition at line 85 of file chert_dbstats.h.

Referenced by ChertWritableDatabase::add_document_(), and ChertWritableDatabase::replace_document().

check_wdf()

void ChertDatabaseStats::check_wdf ( Xapian::termcount  wdf )

inline

Definition at line 104 of file chert_dbstats.h.

Referenced by ChertWritableDatabase::add_document_(), and ChertWritableDatabase::replace_document().

delete_document()

void ChertDatabaseStats::delete_document ( Xapian::termcount  doclen )

inline

Definition at line 93 of file chert_dbstats.h.

Referenced by ChertWritableDatabase::delete_document(), and ChertWritableDatabase::replace_document().

get_doclength_lower_bound()

Xapian::termcount ChertDatabaseStats::get_doclength_lower_bound ( ) const

inline

Definition at line 63 of file chert_dbstats.h.

References doclen_lbound.

Referenced by ChertDatabase::get_doclength_lower_bound().

get_doclength_upper_bound()

Xapian::termcount ChertDatabaseStats::get_doclength_upper_bound ( ) const

inline

Definition at line 67 of file chert_dbstats.h.

References doclen_ubound.

Referenced by ChertDatabase::get_doclength_upper_bound().

get_last_docid()

Xapian::docid ChertDatabaseStats::get_last_docid ( ) const

inline

Definition at line 61 of file chert_dbstats.h.

References last_docid.

Referenced by ChertWritableDatabase::add_document(), ChertDatabase::get_lastdocid(), ChertDatabase::get_used_docid_range(), ChertDatabase::open_post_list(), ChertWritableDatabase::open_post_list(), and ChertWritableDatabase::replace_document().

get_next_docid()

Xapian::docid ChertDatabaseStats::get_next_docid ( )

inline

Definition at line 108 of file chert_dbstats.h.

References last_docid, and write().

Referenced by ChertWritableDatabase::add_document().

get_total_doclen()

Xapian::totallength ChertDatabaseStats::get_total_doclen ( ) const

inline

Definition at line 59 of file chert_dbstats.h.

References total_doclen.

Referenced by ChertDatabase::get_total_length().

get_wdf_upper_bound()

Xapian::termcount ChertDatabaseStats::get_wdf_upper_bound ( ) const

inline

Definition at line 71 of file chert_dbstats.h.

References wdf_ubound.

Referenced by ChertDatabase::get_wdf_upper_bound(), and ChertWritableDatabase::open_post_list().

operator=()

void ChertDatabaseStats::operator= ( const ChertDatabaseStats &  )

private

Don't allow assignment.

read()

void ChertDatabaseStats::read

(

ChertPostListTable &

postlist_table

)

Definition at line 33 of file chert_dbstats.cc.

References DATABASE_STATS_KEY(), ChertTable::get_exact_entry(), unpack_uint(), and unpack_uint_last().

Referenced by ChertWritableDatabase::cancel(), ChertDatabase::open_tables_consistent(), and zero().

set_last_docid()

void ChertDatabaseStats::set_last_docid ( Xapian::docid  did )

inline

Definition at line 83 of file chert_dbstats.h.

Referenced by ChertWritableDatabase::replace_document().

write()

void ChertDatabaseStats::write

(

ChertPostListTable &

postlist_table

)

const

Definition at line 68 of file chert_dbstats.cc.

References ChertTable::add(), DATABASE_STATS_KEY(), pack_uint(), and pack_uint_last().

Referenced by ChertWritableDatabase::flush_postlist_changes(), and get_next_docid().

zero()

void ChertDatabaseStats::zero ( )

inline

Definition at line 73 of file chert_dbstats.h.

References read().

Referenced by ChertDatabase::create_and_open_tables().

Member Data Documentation

doclen_lbound

Xapian::termcount ChertDatabaseStats::doclen_lbound

private

A lower bound on the smallest document length in this database.

Definition at line 46 of file chert_dbstats.h.

Referenced by get_doclength_lower_bound().

doclen_ubound

Xapian::termcount ChertDatabaseStats::doclen_ubound

private

An upper bound on the greatest document length in this database.

Definition at line 49 of file chert_dbstats.h.

Referenced by get_doclength_upper_bound().

last_docid

Xapian::docid ChertDatabaseStats::last_docid

private

Greatest document id ever used in this database.

Definition at line 43 of file chert_dbstats.h.

Referenced by get_last_docid(), and get_next_docid().

total_doclen

Xapian::totallength ChertDatabaseStats::total_doclen

private

The total of the lengths of all documents in the database.

Definition at line 40 of file chert_dbstats.h.

Referenced by get_total_doclen().

wdf_ubound

Xapian::termcount ChertDatabaseStats::wdf_ubound

private

An upper bound on the greatest wdf in this database.

Definition at line 52 of file chert_dbstats.h.

Referenced by get_wdf_upper_bound().

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

• backends/chert/chert_dbstats.h
• backends/chert/chert_dbstats.cc