lemon.external.gadfly.store.File

Package lemon :: Package external :: Package gadfly :: Module store :: Class File_Storage0

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Class File_Storage0

quick and dirty file storage mechanism.
relation names in directory/dbname.gfd
  contains a white separated list of relation names
relations in directory/relname.grl
  contains sequence of marshalled tuples reps
  prefixed by marshalled list of atts

Method Summary
	`__init__(self, dbname, directory)` directory must exist.
	`backup_dbfilename(self)`
	`backup_logfilename(self)`
	`backup_relfilename(self, name)`
	`dbfilename(self)`
	`dump(self, db)` perform a checkpoint (no active transactions!)...
	`dumpdatadefs(self, db, force)` set force to ignore the touch flag...
	`dumprelation(self, name, rel, force)` set force to ignore the "touch" flag.
	`get_initstat_file(self, mode)`
	`get_initstatements(self)`
	`get_relation(self, name)`
	`getfile_fallback(self, first, second, mode)`
	`load(self, forscratch)`
	`logfilename(self)`
	`relfile(self, name, mode)`
	`relfilename(self, name)`

Class Variable Summary
`int`	`verbose` = 0

Method Details

init(self, dbname, directory)
(Constructor)

directory must exist.

dump(self, db)

perform a checkpoint (no active transactions!)

dumpdatadefs(self, db, force=0)

set force to ignore the touch flag

dumprelation(self, name, rel, force=0)

set force to ignore the "touch" flag.

Class Variable Details

verbose

Type:: int
Value:: 0

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Class File_Storage0

__init__(self, dbname, directory) (Constructor)

dump(self, db)

dumpdatadefs(self, db, force=0)

dumprelation(self, name, rel, force=0)

verbose

init(self, dbname, directory)
(Constructor)