sqlite - How to save the content of a MOC to a file, with no -wal and no -shm? -



sqlite - How to save the content of a MOC to a file, with no -wal and no -shm? -

i want save content of moc file myfile.ext. works well, info saved file have auxiliary files in addition:

myfile.ext-wal myfile.ext-shm

are these files necessary purpose (saving content of moc file)? "ship" info in 1 file. furthermore, when 1 time again data, utilize url of myfile.ext.

if not necessary, possible avoid creation?

as cl indicated necessary in wal mode. disable journaling mode when creating persistent store pass flowing option.

nsdictionary *options = @{nssqlitepragmasoption: @{@"journal_mode": @"delete"}; _coordinator = [_persistentstorecoordinator addpersistentstorewithtype:nssqlitestoretype configuration:nil url:url options:options error:&storeerror];

when run app 1 time again -wal should disappear , -shm can deleted or ignored. info should in 1 sqlite file.

sqlite cocoa core-data wal

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