func newQuadStore(addr string, options graph.Options) (graph.QuadStore, error) {
var qs QuadStore
conn, err := connectSQLTables(addr, options)
if err != nil {
return nil, err
}
localOpt, localOptOk, err := options.BoolKey("local_optimize")
if err != nil {
return nil, err
}
qs.db = conn
qs.sqlFlavor = "postgres"
qs.size = -1
qs.lru = newCache(1024)
// Skip size checking by default.
qs.noSizes = true
if localOptOk {
if localOpt {
qs.noSizes = false
}
}
qs.useEstimates, _, err = options.BoolKey("use_estimates")
if err != nil {
return nil, err
}
return &qs, nil
}
func newQuadStore(path string, options graph.Options) (graph.QuadStore, error) {
var qs QuadStore
var err error
db, err := bolt.Open(path, 0600, nil)
if err != nil {
glog.Errorln("Error, couldn't open! ", err)
return nil, err
}
qs.db = db
// BoolKey returns false on non-existence. IE, Sync by default.
qs.db.NoSync, _, err = options.BoolKey("nosync")
if err != nil {
return nil, err
}
err = qs.getMetadata()
if err == errNoBucket {
return nil, errors.New("bolt: quadstore has not been initialised")
} else if err != nil {
return nil, err
}
if qs.version != latestDataVersion {
return nil, errors.New("bolt: data version is out of date. Run cayleyupgrade for your config to update the data.")
}
return &qs, nil
}
func NewSingleReplication(qs graph.QuadStore, opts graph.Options) (graph.QuadWriter, error) {
var (
ignoreMissing bool
ignoreDuplicate bool
err error
)
if *graph.IgnoreMissing {
ignoreMissing = true
} else {
ignoreMissing, _, err = opts.BoolKey("ignore_missing")
if err != nil {
return nil, err
}
}
if *graph.IgnoreDup {
ignoreDuplicate = true
} else {
ignoreDuplicate, _, err = opts.BoolKey("ignore_duplicate")
if err != nil {
return nil, err
}
}
return &Single{
currentID: qs.Horizon(),
qs: qs,
ignoreOpts: graph.IgnoreOpts{
IgnoreDup: ignoreDuplicate,
IgnoreMissing: ignoreMissing,
},
}, nil
}
func newQuadStore(path string, options graph.Options) (graph.QuadStore, error) {
var qs QuadStore
var err error
db, err := bolt.Open(path, 0600, nil)
if err != nil {
glog.Errorln("Error, couldn't open! ", err)
return nil, err
}
qs.db = db
// BoolKey returns false on non-existence. IE, Sync by default.
qs.db.NoSync, _ = options.BoolKey("nosync")
err = qs.getMetadata()
if err != nil {
return nil, err
}
return &qs, nil
}
func newQuadStore(path string, options graph.Options) (graph.QuadStore, error) {
var qs QuadStore
var err error
db, err := bolt.Open(path, 0600, nil)
if err != nil {
glog.Errorln("Error, couldn't open! ", err)
return nil, err
}
qs.db = db
// BoolKey returns false on non-existence. IE, Sync by default.
qs.db.NoSync, _, err = options.BoolKey("nosync")
if err != nil {
return nil, err
}
err = qs.getMetadata()
if err == errNoBucket {
panic("bolt: quadstore has not been initialised")
} else if err != nil {
return nil, err
}
return &qs, nil
}
func createLMDB(path string, opt graph.Options) (env *lmdb.Env, err error) {
err = os.Mkdir(path, 0700)
if err != nil && !os.IsExist(err) {
return nil, err
}
env, err = lmdb.NewEnv()
if err != nil {
return env, err
}
defer func() {
if err != nil {
env.Close()
env = nil
}
}()
maxreaders, _, err := opt.IntKey("maxreaders")
if err != nil {
return nil, err
}
if maxreaders > 0 {
err = env.SetMaxReaders(maxreaders)
if err != nil {
return nil, err
}
}
maxdbs, _, err := opt.IntKey("maxdbs")
if err != nil {
return nil, err
}
if maxdbs == 0 {
maxdbs = 7
}
err = env.SetMaxDBs(maxdbs)
if err != nil {
return nil, err
}
mapsize, _, err := opt.IntKey("mapsize")
if err != nil {
return nil, err
}
err = env.SetMapSize(int64(mapsize))
if err != nil {
return nil, err
}
var flags uint
dbnosync, _, err := opt.BoolKey("nosync")
if err != nil {
return nil, err
}
if dbnosync {
flags |= lmdb.NoSync
}
err = env.Open(path, flags, 0600)
if err != nil {
return nil, err
}
return env, nil
}