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.sizes = lru.New(1024)
qs.ids = lru.New(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 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 {
clog.Errorf("Error, couldn't open! %v", 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return nil, errors.New("bolt: data version is out of date.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
}