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pilosa/pilosa
stats/stats.go
Close
func (a MultiStatsClient) Close() error { for _, c := range a { err := c.Close() if err != nil { return err } } return nil }
go
func (a MultiStatsClient) Close() error { for _, c := range a { err := c.Close() if err != nil { return err } } return nil }
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// Close shuts down the stats clients.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/stats/stats.go#L240-L248
train
pilosa/pilosa
server/server.go
NewCommand
func NewCommand(stdin io.Reader, stdout, stderr io.Writer, opts ...CommandOption) *Command { c := &Command{ Config: NewConfig(), CmdIO: pilosa.NewCmdIO(stdin, stdout, stderr), Started: make(chan struct{}), done: make(chan struct{}), } for _, opt := range opts { err := opt(c) if err != nil { pani...
go
func NewCommand(stdin io.Reader, stdout, stderr io.Writer, opts ...CommandOption) *Command { c := &Command{ Config: NewConfig(), CmdIO: pilosa.NewCmdIO(stdin, stdout, stderr), Started: make(chan struct{}), done: make(chan struct{}), } for _, opt := range opts { err := opt(c) if err != nil { pani...
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// NewCommand returns a new instance of Main.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/server/server.go#L107-L126
train
pilosa/pilosa
server/server.go
Start
func (m *Command) Start() (err error) { defer close(m.Started) // Seed random number generator rand.Seed(time.Now().UTC().UnixNano()) // SetupServer err = m.SetupServer() if err != nil { return errors.Wrap(err, "setting up server") } // SetupNetworking err = m.setupNetworking() if err != nil { return e...
go
func (m *Command) Start() (err error) { defer close(m.Started) // Seed random number generator rand.Seed(time.Now().UTC().UnixNano()) // SetupServer err = m.SetupServer() if err != nil { return errors.Wrap(err, "setting up server") } // SetupNetworking err = m.setupNetworking() if err != nil { return e...
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// Start starts the pilosa server - it returns once the server is running.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/server/server.go#L129-L161
train
pilosa/pilosa
server/server.go
Wait
func (m *Command) Wait() error { // First SIGKILL causes server to shut down gracefully. c := make(chan os.Signal, 2) signal.Notify(c, os.Interrupt, syscall.SIGTERM) select { case sig := <-c: m.logger.Printf("received signal '%s', gracefully shutting down...\n", sig.String()) // Second signal causes a hard sh...
go
func (m *Command) Wait() error { // First SIGKILL causes server to shut down gracefully. c := make(chan os.Signal, 2) signal.Notify(c, os.Interrupt, syscall.SIGTERM) select { case sig := <-c: m.logger.Printf("received signal '%s', gracefully shutting down...\n", sig.String()) // Second signal causes a hard sh...
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// Wait waits for the server to be closed or interrupted.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/server/server.go#L164-L179
train
pilosa/pilosa
server/server.go
setupNetworking
func (m *Command) setupNetworking() error { if m.Config.Cluster.Disabled { return nil } gossipPort, err := strconv.Atoi(m.Config.Gossip.Port) if err != nil { return errors.Wrap(err, "parsing port") } // get the host portion of addr to use for binding gossipHost := m.listenURI.Host m.gossipTransport, err =...
go
func (m *Command) setupNetworking() error { if m.Config.Cluster.Disabled { return nil } gossipPort, err := strconv.Atoi(m.Config.Gossip.Port) if err != nil { return errors.Wrap(err, "parsing port") } // get the host portion of addr to use for binding gossipHost := m.listenURI.Host m.gossipTransport, err =...
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// setupNetworking sets up internode communication based on the configuration.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/server/server.go#L332-L362
train
pilosa/pilosa
server/server.go
newStatsClient
func newStatsClient(name string, host string) (stats.StatsClient, error) { switch name { case "expvar": return stats.NewExpvarStatsClient(), nil case "statsd": return statsd.NewStatsClient(host) case "nop", "none": return stats.NopStatsClient, nil default: return nil, errors.Errorf("'%v' not a valid stats ...
go
func newStatsClient(name string, host string) (stats.StatsClient, error) { switch name { case "expvar": return stats.NewExpvarStatsClient(), nil case "statsd": return statsd.NewStatsClient(host) case "nop", "none": return stats.NopStatsClient, nil default: return nil, errors.Errorf("'%v' not a valid stats ...
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// newStatsClient creates a stats client from the config
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/server/server.go#L392-L403
train
pilosa/pilosa
server/server.go
getListener
func getListener(uri pilosa.URI, tlsconf *tls.Config) (ln net.Listener, err error) { // If bind URI has the https scheme, enable TLS if uri.Scheme == "https" && tlsconf != nil { ln, err = tls.Listen("tcp", uri.HostPort(), tlsconf) if err != nil { return nil, errors.Wrap(err, "tls.Listener") } } else if uri....
go
func getListener(uri pilosa.URI, tlsconf *tls.Config) (ln net.Listener, err error) { // If bind URI has the https scheme, enable TLS if uri.Scheme == "https" && tlsconf != nil { ln, err = tls.Listen("tcp", uri.HostPort(), tlsconf) if err != nil { return nil, errors.Wrap(err, "tls.Listener") } } else if uri....
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// getListener gets a net.Listener based on the config.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/server/server.go#L406-L424
train
pilosa/pilosa
roaring/roaring.go
NewBitmap
func NewBitmap(a ...uint64) *Bitmap { b := &Bitmap{ Containers: newSliceContainers(), } // TODO: We have no way to report this. We aren't in a server context // so we haven't got a logger, nothing is checking for nil returns // from this... _, _ = b.AddN(a...) return b }
go
func NewBitmap(a ...uint64) *Bitmap { b := &Bitmap{ Containers: newSliceContainers(), } // TODO: We have no way to report this. We aren't in a server context // so we haven't got a logger, nothing is checking for nil returns // from this... _, _ = b.AddN(a...) return b }
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// NewBitmap returns a Bitmap with an initial set of values.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L136-L145
train
pilosa/pilosa
roaring/roaring.go
DirectRemoveN
func (b *Bitmap) DirectRemoveN(a ...uint64) (changed int) { return b.directOpN((*Container).remove, a...) }
go
func (b *Bitmap) DirectRemoveN(a ...uint64) (changed int) { return b.directOpN((*Container).remove, a...) }
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// DirectRemoveN behaves analgously to DirectAddN.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L224-L226
train
pilosa/pilosa
roaring/roaring.go
directOpN
func (b *Bitmap) directOpN(op func(c *Container, v uint16) bool, a ...uint64) (changed int) { hb := uint64(0xFFFFFFFFFFFFFFFF) // impossible sentinel value var cont *Container for _, v := range a { if newhb := highbits(v); newhb != hb { hb = newhb cont = b.Containers.GetOrCreate(hb) } if op(cont, lowbits...
go
func (b *Bitmap) directOpN(op func(c *Container, v uint16) bool, a ...uint64) (changed int) { hb := uint64(0xFFFFFFFFFFFFFFFF) // impossible sentinel value var cont *Container for _, v := range a { if newhb := highbits(v); newhb != hb { hb = newhb cont = b.Containers.GetOrCreate(hb) } if op(cont, lowbits...
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// directOpN contains the logic for DirectAddN and DirectRemoveN. Theoretically, // it could be used by anything that wanted to apply a boolean-returning // container level operation across a list of values and return the number of // trues while modifying the list of values in place to contain the // true-returning va...
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L233-L247
train
pilosa/pilosa
roaring/roaring.go
Contains
func (b *Bitmap) Contains(v uint64) bool { c := b.Containers.Get(highbits(v)) if c == nil { return false } return c.Contains(lowbits(v)) }
go
func (b *Bitmap) Contains(v uint64) bool { c := b.Containers.Get(highbits(v)) if c == nil { return false } return c.Contains(lowbits(v)) }
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// Contains returns true if v is in the bitmap.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L257-L263
train
pilosa/pilosa
roaring/roaring.go
RemoveN
func (b *Bitmap) RemoveN(a ...uint64) (changed int, err error) { if len(a) == 0 { return 0, nil } changed = b.DirectRemoveN(a...) // modifies a in-place if b.OpWriter != nil { op := &op{ typ: opTypeRemoveBatch, values: a[:changed], } if err := b.writeOp(op); err != nil { b.DirectAddN(op.values...
go
func (b *Bitmap) RemoveN(a ...uint64) (changed int, err error) { if len(a) == 0 { return 0, nil } changed = b.DirectRemoveN(a...) // modifies a in-place if b.OpWriter != nil { op := &op{ typ: opTypeRemoveBatch, values: a[:changed], } if err := b.writeOp(op); err != nil { b.DirectAddN(op.values...
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// RemoveN behaves analagously to AddN.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L288-L307
train
pilosa/pilosa
roaring/roaring.go
Max
func (b *Bitmap) Max() uint64 { if b.Containers.Size() == 0 { return 0 } hb, c := b.Containers.Last() lb := c.max() return hb<<16 | uint64(lb) }
go
func (b *Bitmap) Max() uint64 { if b.Containers.Size() == 0 { return 0 } hb, c := b.Containers.Last() lb := c.max() return hb<<16 | uint64(lb) }
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// Max returns the highest value in the bitmap. // Returns zero if the bitmap is empty.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L320-L328
train
pilosa/pilosa
roaring/roaring.go
Size
func (b *Bitmap) Size() int { numbytes := 0 citer, _ := b.Containers.Iterator(0) for citer.Next() { _, c := citer.Value() numbytes += c.size() } return numbytes }
go
func (b *Bitmap) Size() int { numbytes := 0 citer, _ := b.Containers.Iterator(0) for citer.Next() { _, c := citer.Value() numbytes += c.size() } return numbytes }
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// Size returns the number of bytes required for the bitmap.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L351-L360
train
pilosa/pilosa
roaring/roaring.go
CountRange
func (b *Bitmap) CountRange(start, end uint64) (n uint64) { if b.Containers.Size() == 0 { return } skey := highbits(start) ekey := highbits(end) citer, found := b.Containers.Iterator(highbits(start)) // If range is entirely in one container then just count that range. if found && skey == ekey { citer.Next(...
go
func (b *Bitmap) CountRange(start, end uint64) (n uint64) { if b.Containers.Size() == 0 { return } skey := highbits(start) ekey := highbits(end) citer, found := b.Containers.Iterator(highbits(start)) // If range is entirely in one container then just count that range. if found && skey == ekey { citer.Next(...
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// CountRange returns the number of bits set between [start, end).
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L363-L402
train
pilosa/pilosa
roaring/roaring.go
Slice
func (b *Bitmap) Slice() []uint64 { var a []uint64 itr := b.Iterator() itr.Seek(0) for v, eof := itr.Next(); !eof; v, eof = itr.Next() { a = append(a, v) } return a }
go
func (b *Bitmap) Slice() []uint64 { var a []uint64 itr := b.Iterator() itr.Seek(0) for v, eof := itr.Next(); !eof; v, eof = itr.Next() { a = append(a, v) } return a }
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// Slice returns a slice of all integers in the bitmap.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L405-L414
train
pilosa/pilosa
roaring/roaring.go
SliceRange
func (b *Bitmap) SliceRange(start, end uint64) []uint64 { var a []uint64 itr := b.Iterator() itr.Seek(start) for v, eof := itr.Next(); !eof && v < end; v, eof = itr.Next() { a = append(a, v) } return a }
go
func (b *Bitmap) SliceRange(start, end uint64) []uint64 { var a []uint64 itr := b.Iterator() itr.Seek(start) for v, eof := itr.Next(); !eof && v < end; v, eof = itr.Next() { a = append(a, v) } return a }
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// SliceRange returns a slice of integers between [start, end).
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L417-L425
train
pilosa/pilosa
roaring/roaring.go
ForEach
func (b *Bitmap) ForEach(fn func(uint64)) { itr := b.Iterator() itr.Seek(0) for v, eof := itr.Next(); !eof; v, eof = itr.Next() { fn(v) } }
go
func (b *Bitmap) ForEach(fn func(uint64)) { itr := b.Iterator() itr.Seek(0) for v, eof := itr.Next(); !eof; v, eof = itr.Next() { fn(v) } }
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// ForEach executes fn for each value in the bitmap.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L428-L434
train
pilosa/pilosa
roaring/roaring.go
ForEachRange
func (b *Bitmap) ForEachRange(start, end uint64, fn func(uint64)) { itr := b.Iterator() itr.Seek(start) for v, eof := itr.Next(); !eof && v < end; v, eof = itr.Next() { fn(v) } }
go
func (b *Bitmap) ForEachRange(start, end uint64, fn func(uint64)) { itr := b.Iterator() itr.Seek(start) for v, eof := itr.Next(); !eof && v < end; v, eof = itr.Next() { fn(v) } }
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// ForEachRange executes fn for each value in the bitmap between [start, end).
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L437-L443
train
pilosa/pilosa
roaring/roaring.go
OffsetRange
func (b *Bitmap) OffsetRange(offset, start, end uint64) *Bitmap { if lowbits(offset) != 0 { panic("offset must not contain low bits") } if lowbits(start) != 0 { panic("range start must not contain low bits") } if lowbits(end) != 0 { panic("range end must not contain low bits") } off := highbits(offset) h...
go
func (b *Bitmap) OffsetRange(offset, start, end uint64) *Bitmap { if lowbits(offset) != 0 { panic("offset must not contain low bits") } if lowbits(start) != 0 { panic("range start must not contain low bits") } if lowbits(end) != 0 { panic("range end must not contain low bits") } off := highbits(offset) h...
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// OffsetRange returns a new bitmap with a containers offset by start.
[ "OffsetRange", "returns", "a", "new", "bitmap", "with", "a", "containers", "offset", "by", "start", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L446-L469
train
pilosa/pilosa
roaring/roaring.go
container
func (b *Bitmap) container(key uint64) *Container { return b.Containers.Get(key) }
go
func (b *Bitmap) container(key uint64) *Container { return b.Containers.Get(key) }
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// container returns the container with the given key.
[ "container", "returns", "the", "container", "with", "the", "given", "key", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L472-L474
train
pilosa/pilosa
roaring/roaring.go
IntersectionCount
func (b *Bitmap) IntersectionCount(other *Bitmap) uint64 { var n uint64 iiter, _ := b.Containers.Iterator(0) jiter, _ := other.Containers.Iterator(0) i, j := iiter.Next(), jiter.Next() ki, ci := iiter.Value() kj, cj := jiter.Value() for i && j { if ki < kj { i = iiter.Next() ki, ci = iiter.Value() } el...
go
func (b *Bitmap) IntersectionCount(other *Bitmap) uint64 { var n uint64 iiter, _ := b.Containers.Iterator(0) jiter, _ := other.Containers.Iterator(0) i, j := iiter.Next(), jiter.Next() ki, ci := iiter.Value() kj, cj := jiter.Value() for i && j { if ki < kj { i = iiter.Next() ki, ci = iiter.Value() } el...
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// IntersectionCount returns the number of set bits that would result in an // intersection between b and other. It is more efficient than actually // intersecting the two and counting the result.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L479-L501
train
pilosa/pilosa
roaring/roaring.go
Intersect
func (b *Bitmap) Intersect(other *Bitmap) *Bitmap { output := NewBitmap() iiter, _ := b.Containers.Iterator(0) jiter, _ := other.Containers.Iterator(0) i, j := iiter.Next(), jiter.Next() ki, ci := iiter.Value() kj, cj := jiter.Value() for i && j { if ki < kj { i = iiter.Next() ki, ci = iiter.Value() } ...
go
func (b *Bitmap) Intersect(other *Bitmap) *Bitmap { output := NewBitmap() iiter, _ := b.Containers.Iterator(0) jiter, _ := other.Containers.Iterator(0) i, j := iiter.Next(), jiter.Next() ki, ci := iiter.Value() kj, cj := jiter.Value() for i && j { if ki < kj { i = iiter.Next() ki, ci = iiter.Value() } ...
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// Intersect returns the intersection of b and other.
[ "Intersect", "returns", "the", "intersection", "of", "b", "and", "other", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L504-L526
train
pilosa/pilosa
roaring/roaring.go
Union
func (b *Bitmap) Union(others ...*Bitmap) *Bitmap { if len(others) == 1 { output := NewBitmap() b.unionIntoTargetSingle(output, others[0]) return output } output := b.Clone() output.UnionInPlace(others...) return output }
go
func (b *Bitmap) Union(others ...*Bitmap) *Bitmap { if len(others) == 1 { output := NewBitmap() b.unionIntoTargetSingle(output, others[0]) return output } output := b.Clone() output.UnionInPlace(others...) return output }
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// Union returns the bitwise union of b and others as a new bitmap.
[ "Union", "returns", "the", "bitwise", "union", "of", "b", "and", "others", "as", "a", "new", "bitmap", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L529-L538
train
pilosa/pilosa
roaring/roaring.go
Difference
func (b *Bitmap) Difference(other *Bitmap) *Bitmap { output := NewBitmap() iiter, _ := b.Containers.Iterator(0) jiter, _ := other.Containers.Iterator(0) i, j := iiter.Next(), jiter.Next() ki, ci := iiter.Value() kj, cj := jiter.Value() for i || j { if i && (!j || ki < kj) { output.Containers.Put(ki, ci.Clo...
go
func (b *Bitmap) Difference(other *Bitmap) *Bitmap { output := NewBitmap() iiter, _ := b.Containers.Iterator(0) jiter, _ := other.Containers.Iterator(0) i, j := iiter.Next(), jiter.Next() ki, ci := iiter.Value() kj, cj := jiter.Value() for i || j { if i && (!j || ki < kj) { output.Containers.Put(ki, ci.Clo...
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// Difference returns the difference of b and other.
[ "Difference", "returns", "the", "difference", "of", "b", "and", "other", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L794-L818
train
pilosa/pilosa
roaring/roaring.go
Shift
func (b *Bitmap) Shift(n int) (*Bitmap, error) { if n != 1 { return nil, errors.New("cannot shift by a value other than 1") } output := NewBitmap() iiter, _ := b.Containers.Iterator(0) lastCarry := false lastKey := uint64(0) for iiter.Next() { ki, ci := iiter.Value() o, carry := shift(ci) if lastCarry { ...
go
func (b *Bitmap) Shift(n int) (*Bitmap, error) { if n != 1 { return nil, errors.New("cannot shift by a value other than 1") } output := NewBitmap() iiter, _ := b.Containers.Iterator(0) lastCarry := false lastKey := uint64(0) for iiter.Next() { ki, ci := iiter.Value() o, carry := shift(ci) if lastCarry { ...
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// Shift shifts the contents of b by 1.
[ "Shift", "shifts", "the", "contents", "of", "b", "by", "1", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L849-L877
train
pilosa/pilosa
roaring/roaring.go
removeEmptyContainers
func (b *Bitmap) removeEmptyContainers() { citer, _ := b.Containers.Iterator(0) for citer.Next() { k, c := citer.Value() if c.n == 0 { b.Containers.Remove(k) } } }
go
func (b *Bitmap) removeEmptyContainers() { citer, _ := b.Containers.Iterator(0) for citer.Next() { k, c := citer.Value() if c.n == 0 { b.Containers.Remove(k) } } }
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// removeEmptyContainers deletes all containers that have a count of zero.
[ "removeEmptyContainers", "deletes", "all", "containers", "that", "have", "a", "count", "of", "zero", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L880-L888
train
pilosa/pilosa
roaring/roaring.go
Optimize
func (b *Bitmap) Optimize() { citer, _ := b.Containers.Iterator(0) for citer.Next() { _, c := citer.Value() c.optimize() } }
go
func (b *Bitmap) Optimize() { citer, _ := b.Containers.Iterator(0) for citer.Next() { _, c := citer.Value() c.optimize() } }
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// Optimize converts array and bitmap containers to run containers as necessary.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L902-L908
train
pilosa/pilosa
roaring/roaring.go
WriteTo
func (b *Bitmap) WriteTo(w io.Writer) (n int64, err error) { b.Optimize() return b.writeToUnoptimized(w) }
go
func (b *Bitmap) WriteTo(w io.Writer) (n int64, err error) { b.Optimize() return b.writeToUnoptimized(w) }
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// WriteTo writes b to w.
[ "WriteTo", "writes", "b", "to", "w", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L946-L949
train
pilosa/pilosa
roaring/roaring.go
writeOp
func (b *Bitmap) writeOp(op *op) error { if b.OpWriter == nil { return nil } if _, err := op.WriteTo(b.OpWriter); err != nil { return err } b.opN += op.count() return nil }
go
func (b *Bitmap) writeOp(op *op) error { if b.OpWriter == nil { return nil } if _, err := op.WriteTo(b.OpWriter); err != nil { return err } b.opN += op.count() return nil }
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// writeOp writes op to the OpWriter, if available.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1113-L1124
train
pilosa/pilosa
roaring/roaring.go
Iterator
func (b *Bitmap) Iterator() *Iterator { itr := &Iterator{bitmap: b} itr.Seek(0) return itr }
go
func (b *Bitmap) Iterator() *Iterator { itr := &Iterator{bitmap: b} itr.Seek(0) return itr }
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// Iterator returns a new iterator for the bitmap.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1127-L1131
train
pilosa/pilosa
roaring/roaring.go
Info
func (b *Bitmap) Info() bitmapInfo { info := bitmapInfo{ OpN: b.opN, Containers: make([]containerInfo, 0, b.Containers.Size()), } citer, _ := b.Containers.Iterator(0) for citer.Next() { k, c := citer.Value() ci := c.info() ci.Key = k info.Containers = append(info.Containers, ci) } return info ...
go
func (b *Bitmap) Info() bitmapInfo { info := bitmapInfo{ OpN: b.opN, Containers: make([]containerInfo, 0, b.Containers.Size()), } citer, _ := b.Containers.Iterator(0) for citer.Next() { k, c := citer.Value() ci := c.info() ci.Key = k info.Containers = append(info.Containers, ci) } return info ...
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// Info returns stats for the bitmap.
[ "Info", "returns", "stats", "for", "the", "bitmap", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1134-L1148
train
pilosa/pilosa
roaring/roaring.go
Check
func (b *Bitmap) Check() error { var a ErrorList // Check each container. citer, _ := b.Containers.Iterator(0) for citer.Next() { k, c := citer.Value() if err := c.check(); err != nil { a.AppendWithPrefix(err, fmt.Sprintf("%d/", k)) } } if len(a) == 0 { return nil } return a }
go
func (b *Bitmap) Check() error { var a ErrorList // Check each container. citer, _ := b.Containers.Iterator(0) for citer.Next() { k, c := citer.Value() if err := c.check(); err != nil { a.AppendWithPrefix(err, fmt.Sprintf("%d/", k)) } } if len(a) == 0 { return nil } return a }
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// Check performs a consistency check on the bitmap. Returns nil if consistent.
[ "Check", "performs", "a", "consistency", "check", "on", "the", "bitmap", ".", "Returns", "nil", "if", "consistent", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1151-L1167
train
pilosa/pilosa
roaring/roaring.go
Seek
func (itr *Iterator) Seek(seek uint64) { // k should always be -1 unless we're seeking into a run container. Then the // "if c.isRun" section will take care of it. itr.k = -1 // Move to the correct container. itr.citer, _ = itr.bitmap.Containers.Iterator(highbits(seek)) if !itr.citer.Next() { itr.c = nil ret...
go
func (itr *Iterator) Seek(seek uint64) { // k should always be -1 unless we're seeking into a run container. Then the // "if c.isRun" section will take care of it. itr.k = -1 // Move to the correct container. itr.citer, _ = itr.bitmap.Containers.Iterator(highbits(seek)) if !itr.citer.Next() { itr.c = nil ret...
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// Seek moves to the first value equal to or greater than `seek`.
[ "Seek", "moves", "to", "the", "first", "value", "equal", "to", "or", "greater", "than", "seek", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1213-L1269
train
pilosa/pilosa
roaring/roaring.go
peek
func (itr *Iterator) peek() uint64 { if itr.c == nil { return 0 } if itr.c.isArray() { return itr.key<<16 | uint64(itr.c.array()[itr.j]) } if itr.c.isRun() { return itr.key<<16 | uint64(itr.c.runs()[itr.j].start+uint16(itr.k)) } return itr.key<<16 | uint64(itr.j) }
go
func (itr *Iterator) peek() uint64 { if itr.c == nil { return 0 } if itr.c.isArray() { return itr.key<<16 | uint64(itr.c.array()[itr.j]) } if itr.c.isRun() { return itr.key<<16 | uint64(itr.c.runs()[itr.j].start+uint16(itr.k)) } return itr.key<<16 | uint64(itr.j) }
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// peek returns the current value.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1380-L1391
train
pilosa/pilosa
roaring/roaring.go
countRange
func (c *Container) countRange(start, end int32) (n int32) { if c.isArray() { return c.arrayCountRange(start, end) } else if c.isRun() { return c.runCountRange(start, end) } return c.bitmapCountRange(start, end) }
go
func (c *Container) countRange(start, end int32) (n int32) { if c.isArray() { return c.arrayCountRange(start, end) } else if c.isRun() { return c.runCountRange(start, end) } return c.bitmapCountRange(start, end) }
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// countRange counts the number of bits set between [start, end).
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1415-L1422
train
pilosa/pilosa
roaring/roaring.go
add
func (c *Container) add(v uint16) (added bool) { if c.isArray() { added = c.arrayAdd(v) } else if c.isRun() { added = c.runAdd(v) } else { added = c.bitmapAdd(v) } if added { c.n++ } return added }
go
func (c *Container) add(v uint16) (added bool) { if c.isArray() { added = c.arrayAdd(v) } else if c.isRun() { added = c.runAdd(v) } else { added = c.bitmapAdd(v) } if added { c.n++ } return added }
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// add adds a value to the container.
[ "add", "adds", "a", "value", "to", "the", "container", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1500-L1513
train
pilosa/pilosa
roaring/roaring.go
Contains
func (c *Container) Contains(v uint16) bool { if c.isArray() { return c.arrayContains(v) } else if c.isRun() { return c.runContains(v) } else { return c.bitmapContains(v) } }
go
func (c *Container) Contains(v uint16) bool { if c.isArray() { return c.arrayContains(v) } else if c.isRun() { return c.runContains(v) } else { return c.bitmapContains(v) } }
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// Contains returns true if v is in the container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1612-L1620
train
pilosa/pilosa
roaring/roaring.go
optimize
func (c *Container) optimize() { if c.n == 0 { statsHit("optimize/empty") return } runs := c.countRuns() var newType byte if runs <= runMaxSize && runs <= c.n/2 { newType = containerRun } else if c.n < ArrayMaxSize { newType = containerArray } else { newType = containerBitmap } // Then convert acco...
go
func (c *Container) optimize() { if c.n == 0 { statsHit("optimize/empty") return } runs := c.countRuns() var newType byte if runs <= runMaxSize && runs <= c.n/2 { newType = containerRun } else if c.n < ArrayMaxSize { newType = containerArray } else { newType = containerBitmap } // Then convert acco...
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// optimize converts the container to the type which will take up the least // amount of space.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1666-L1714
train
pilosa/pilosa
roaring/roaring.go
binSearchRuns
func binSearchRuns(v uint16, a []interval16) (int32, bool) { i := int32(sort.Search(len(a), func(i int) bool { return a[i].last >= v })) if i < int32(len(a)) { return i, (v >= a[i].start) && (v <= a[i].last) } return i, false }
go
func binSearchRuns(v uint16, a []interval16) (int32, bool) { i := int32(sort.Search(len(a), func(i int) bool { return a[i].last >= v })) if i < int32(len(a)) { return i, (v >= a[i].start) && (v <= a[i].last) } return i, false }
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// binSearchRuns returns the index of the run containing v, and true, when v is contained; // or the index of the next run starting after v, and false, when v is not contained.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1767-L1775
train
pilosa/pilosa
roaring/roaring.go
runContains
func (c *Container) runContains(v uint16) bool { _, found := binSearchRuns(v, c.runs()) return found }
go
func (c *Container) runContains(v uint16) bool { _, found := binSearchRuns(v, c.runs()) return found }
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// runContains determines if v is in the container assuming c is a run // container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1779-L1782
train
pilosa/pilosa
roaring/roaring.go
remove
func (c *Container) remove(v uint16) (removed bool) { if c.isArray() { removed = c.arrayRemove(v) } else if c.isRun() { removed = c.runRemove(v) } else { removed = c.bitmapRemove(v) } return removed }
go
func (c *Container) remove(v uint16) (removed bool) { if c.isArray() { removed = c.arrayRemove(v) } else if c.isRun() { removed = c.runRemove(v) } else { removed = c.bitmapRemove(v) } return removed }
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// remove removes a value from the container.
[ "remove", "removes", "a", "value", "from", "the", "container", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1785-L1794
train
pilosa/pilosa
roaring/roaring.go
runRemove
func (c *Container) runRemove(v uint16) bool { runs := c.runs() i, contains := binSearchRuns(v, runs) if !contains { return false } c.unmapRun() runs = c.runs() if v == runs[i].last && v == runs[i].start { runs = append(runs[:i], runs[i+1:]...) } else if v == runs[i].last { runs[i].last-- } else if v == ...
go
func (c *Container) runRemove(v uint16) bool { runs := c.runs() i, contains := binSearchRuns(v, runs) if !contains { return false } c.unmapRun() runs = c.runs() if v == runs[i].last && v == runs[i].start { runs = append(runs[:i], runs[i+1:]...) } else if v == runs[i].last { runs[i].last-- } else if v == ...
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// runRemove removes v from a run container, and returns true if v was removed.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1830-L1855
train
pilosa/pilosa
roaring/roaring.go
max
func (c *Container) max() uint16 { if c.isArray() { return c.arrayMax() } else if c.isRun() { return c.runMax() } else { return c.bitmapMax() } }
go
func (c *Container) max() uint16 { if c.isArray() { return c.arrayMax() } else if c.isRun() { return c.runMax() } else { return c.bitmapMax() } }
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// max returns the maximum value in the container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1858-L1866
train
pilosa/pilosa
roaring/roaring.go
bitmapToArray
func (c *Container) bitmapToArray() { statsHit("bitmapToArray") bitmap := c.bitmap() c.setBitmap(nil) c.typ = containerArray c.mapped = false // return early if empty if c.n == 0 { c.setArray(nil) return } n := int32(0) array := make([]uint16, c.n) for i, word := range bitmap { for word != 0 { t :...
go
func (c *Container) bitmapToArray() { statsHit("bitmapToArray") bitmap := c.bitmap() c.setBitmap(nil) c.typ = containerArray c.mapped = false // return early if empty if c.n == 0 { c.setArray(nil) return } n := int32(0) array := make([]uint16, c.n) for i, word := range bitmap { for word != 0 { t :...
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// bitmapToArray converts from bitmap format to array format.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1900-L1934
train
pilosa/pilosa
roaring/roaring.go
arrayToBitmap
func (c *Container) arrayToBitmap() { statsHit("arrayToBitmap") array := c.array() c.typ = containerBitmap bitmap := make([]uint64, bitmapN) c.setBitmap(bitmap) c.mapped = false // return early if empty if c.n == 0 { return } for _, v := range array { bitmap[int(v)/64] |= (uint64(1) << uint(v%64)) } }
go
func (c *Container) arrayToBitmap() { statsHit("arrayToBitmap") array := c.array() c.typ = containerBitmap bitmap := make([]uint64, bitmapN) c.setBitmap(bitmap) c.mapped = false // return early if empty if c.n == 0 { return } for _, v := range array { bitmap[int(v)/64] |= (uint64(1) << uint(v%64)) } }
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// arrayToBitmap converts from array format to bitmap format.
[ "arrayToBitmap", "converts", "from", "array", "format", "to", "bitmap", "format", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1937-L1953
train
pilosa/pilosa
roaring/roaring.go
runToBitmap
func (c *Container) runToBitmap() { statsHit("runToBitmap") runs := c.runs() bitmap := make([]uint64, bitmapN) c.typ = containerBitmap c.setBitmap(bitmap) c.mapped = false // return early if empty if c.n == 0 { return } for _, r := range runs { // TODO this can be ~64x faster for long runs by setting m...
go
func (c *Container) runToBitmap() { statsHit("runToBitmap") runs := c.runs() bitmap := make([]uint64, bitmapN) c.typ = containerBitmap c.setBitmap(bitmap) c.mapped = false // return early if empty if c.n == 0 { return } for _, r := range runs { // TODO this can be ~64x faster for long runs by setting m...
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// runToBitmap converts from RLE format to bitmap format.
[ "runToBitmap", "converts", "from", "RLE", "format", "to", "bitmap", "format", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1956-L1977
train
pilosa/pilosa
roaring/roaring.go
bitmapToRun
func (c *Container) bitmapToRun(numRuns int32) { statsHit("bitmapToRun") bitmap := c.bitmap() c.mapped = false c.typ = containerRun // return early if empty if c.n == 0 { c.setRuns(nil) return } if numRuns == 0 { numRuns = bitmapCountRuns(bitmap) } runs := make([]interval16, 0, numRuns) current := bi...
go
func (c *Container) bitmapToRun(numRuns int32) { statsHit("bitmapToRun") bitmap := c.bitmap() c.mapped = false c.typ = containerRun // return early if empty if c.n == 0 { c.setRuns(nil) return } if numRuns == 0 { numRuns = bitmapCountRuns(bitmap) } runs := make([]interval16, 0, numRuns) current := bi...
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// bitmapToRun converts from bitmap format to RLE format.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L1980-L2034
train
pilosa/pilosa
roaring/roaring.go
arrayToRun
func (c *Container) arrayToRun(numRuns int32) { statsHit("arrayToRun") array := c.array() c.typ = containerRun c.mapped = false // return early if empty if c.n == 0 { c.setRuns(nil) return } if numRuns == 0 { numRuns = arrayCountRuns(array) } runs := make([]interval16, 0, numRuns) start := array[0] f...
go
func (c *Container) arrayToRun(numRuns int32) { statsHit("arrayToRun") array := c.array() c.typ = containerRun c.mapped = false // return early if empty if c.n == 0 { c.setRuns(nil) return } if numRuns == 0 { numRuns = arrayCountRuns(array) } runs := make([]interval16, 0, numRuns) start := array[0] f...
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// arrayToRun converts from array format to RLE format.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2037-L2063
train
pilosa/pilosa
roaring/roaring.go
runToArray
func (c *Container) runToArray() { statsHit("runToArray") runs := c.runs() c.typ = containerArray c.mapped = false // return early if empty if c.n == 0 { c.setArray(nil) return } array := make([]uint16, c.n) n := int32(0) for _, r := range runs { for v := int(r.start); v <= int(r.last); v++ { array...
go
func (c *Container) runToArray() { statsHit("runToArray") runs := c.runs() c.typ = containerArray c.mapped = false // return early if empty if c.n == 0 { c.setArray(nil) return } array := make([]uint16, c.n) n := int32(0) for _, r := range runs { for v := int(r.start); v <= int(r.last); v++ { array...
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// runToArray converts from RLE format to array format.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2066-L2092
train
pilosa/pilosa
roaring/roaring.go
WriteTo
func (c *Container) WriteTo(w io.Writer) (n int64, err error) { if c.isArray() { return c.arrayWriteTo(w) } else if c.isRun() { return c.runWriteTo(w) } else { return c.bitmapWriteTo(w) } }
go
func (c *Container) WriteTo(w io.Writer) (n int64, err error) { if c.isArray() { return c.arrayWriteTo(w) } else if c.isRun() { return c.runWriteTo(w) } else { return c.bitmapWriteTo(w) } }
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// WriteTo writes c to w.
[ "WriteTo", "writes", "c", "to", "w", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2126-L2134
train
pilosa/pilosa
roaring/roaring.go
size
func (c *Container) size() int { if c.isArray() { return len(c.array()) * 2 // sizeof(uint16) } else if c.isRun() { return len(c.runs())*interval16Size + runCountHeaderSize } else { return len(c.bitmap()) * 8 // sizeof(uint64) } }
go
func (c *Container) size() int { if c.isArray() { return len(c.array()) * 2 // sizeof(uint16) } else if c.isRun() { return len(c.runs())*interval16Size + runCountHeaderSize } else { return len(c.bitmap()) * 8 // sizeof(uint64) } }
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// size returns the encoded size of the container, in bytes.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2179-L2187
train
pilosa/pilosa
roaring/roaring.go
info
func (c *Container) info() containerInfo { info := containerInfo{N: c.n} if c.isArray() { info.Type = "array" info.Alloc = len(c.array()) * 2 // sizeof(uint16) } else if c.isRun() { info.Type = "run" info.Alloc = len(c.runs())*interval16Size + runCountHeaderSize } else { info.Type = "bitmap" info.Alloc...
go
func (c *Container) info() containerInfo { info := containerInfo{N: c.n} if c.isArray() { info.Type = "array" info.Alloc = len(c.array()) * 2 // sizeof(uint16) } else if c.isRun() { info.Type = "run" info.Alloc = len(c.runs())*interval16Size + runCountHeaderSize } else { info.Type = "bitmap" info.Alloc...
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// info returns the current stats about the container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2190-L2215
train
pilosa/pilosa
roaring/roaring.go
check
func (c *Container) check() error { var a ErrorList if c.isArray() { array := c.array() if int32(len(array)) != c.n { a.Append(fmt.Errorf("array count mismatch: count=%d, n=%d", len(array), c.n)) } } else if c.isRun() { n := c.runCountRange(0, maxContainerVal+1) if n != c.n { a.Append(fmt.Errorf("ru...
go
func (c *Container) check() error { var a ErrorList if c.isArray() { array := c.array() if int32(len(array)) != c.n { a.Append(fmt.Errorf("array count mismatch: count=%d, n=%d", len(array), c.n)) } } else if c.isRun() { n := c.runCountRange(0, maxContainerVal+1) if n != c.n { a.Append(fmt.Errorf("ru...
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// check performs a consistency check on the container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2218-L2246
train
pilosa/pilosa
roaring/roaring.go
flip
func flip(a *Container) *Container { // nolint: deadcode if a.isArray() { return flipArray(a) } else if a.isRun() { return flipRun(a) } else { return flipBitmap(a) } }
go
func flip(a *Container) *Container { // nolint: deadcode if a.isArray() { return flipArray(a) } else if a.isRun() { return flipRun(a) } else { return flipBitmap(a) } }
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// flip returns a new container containing the inverse of all // bits in a.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2282-L2290
train
pilosa/pilosa
roaring/roaring.go
intersectRunRun
func intersectRunRun(a, b *Container) *Container { statsHit("intersect/RunRun") output := NewContainerRun(nil) ra, rb := a.runs(), b.runs() na, nb := len(ra), len(rb) for i, j := 0, 0; i < na && j < nb; { va, vb := ra[i], rb[j] if va.last < vb.start { // |--va--| |--vb--| i++ } else if vb.last < va.sta...
go
func intersectRunRun(a, b *Container) *Container { statsHit("intersect/RunRun") output := NewContainerRun(nil) ra, rb := a.runs(), b.runs() na, nb := len(ra), len(rb) for i, j := 0, 0; i < na && j < nb; { va, vb := ra[i], rb[j] if va.last < vb.start { // |--va--| |--vb--| i++ } else if vb.last < va.sta...
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// intersectRunRun computes the intersect of two run containers.
[ "intersectRunRun", "computes", "the", "intersect", "of", "two", "run", "containers", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2524-L2562
train
pilosa/pilosa
roaring/roaring.go
intersectBitmapRun
func intersectBitmapRun(a, b *Container) *Container { statsHit("intersect/BitmapRun") var output *Container runs := b.runs() if b.n <= ArrayMaxSize || a.n <= ArrayMaxSize { // output is array container array := make([]uint16, 0, b.n) for _, iv := range runs { for i := iv.start; i <= iv.last; i++ { if a...
go
func intersectBitmapRun(a, b *Container) *Container { statsHit("intersect/BitmapRun") var output *Container runs := b.runs() if b.n <= ArrayMaxSize || a.n <= ArrayMaxSize { // output is array container array := make([]uint16, 0, b.n) for _, iv := range runs { for i := iv.start; i <= iv.last; i++ { if a...
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// intersectBitmapRun returns an array container if either container's // cardinality is <= ArrayMaxSize. Otherwise it returns a bitmap container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2566-L2626
train
pilosa/pilosa
roaring/roaring.go
unionArrayRun
func unionArrayRun(a, b *Container) *Container { statsHit("union/ArrayRun") if b.n == maxContainerVal+1 { return b.Clone() } output := NewContainerRun(nil) aa, rb := a.array(), b.runs() na, nb := len(aa), len(rb) var vb interval16 var va uint16 for i, j := 0, 0; i < na || j < nb; { if i < na { va = aa[i...
go
func unionArrayRun(a, b *Container) *Container { statsHit("union/ArrayRun") if b.n == maxContainerVal+1 { return b.Clone() } output := NewContainerRun(nil) aa, rb := a.array(), b.runs() na, nb := len(aa), len(rb) var vb interval16 var va uint16 for i, j := 0, 0; i < na || j < nb; { if i < na { va = aa[i...
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// unionArrayRun optimistically assumes that the result will be a run container, // and converts to a bitmap or array container afterwards if necessary.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2777-L2808
train
pilosa/pilosa
roaring/roaring.go
runAppendInterval
func (c *Container) runAppendInterval(v interval16) int32 { runs := c.runs() if len(runs) == 0 { runs = append(runs, v) c.setRuns(runs) return int32(v.last-v.start) + 1 } last := runs[len(runs)-1] if last.last == maxContainerVal { //protect against overflow return 0 } if last.last+1 >= v.start && v.last...
go
func (c *Container) runAppendInterval(v interval16) int32 { runs := c.runs() if len(runs) == 0 { runs = append(runs, v) c.setRuns(runs) return int32(v.last-v.start) + 1 } last := runs[len(runs)-1] if last.last == maxContainerVal { //protect against overflow return 0 } if last.last+1 >= v.start && v.last...
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// runAppendInterval adds the given interval to the run container. It assumes // that the interval comes at the end of the list of runs, and does not check // that this is the case. It will not behave correctly if the start of the given // interval is earlier than the start of the last interval in the list of runs. // ...
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2816-L2838
train
pilosa/pilosa
roaring/roaring.go
unionBitmapRunInPlace
func unionBitmapRunInPlace(a, b *Container) { a.unmapBitmap() bitmap := a.bitmap() statsHit("union/BitmapRun") for _, run := range b.runs() { bitmapSetRangeIgnoreN(bitmap, uint64(run.start), uint64(run.last)+1) } }
go
func unionBitmapRunInPlace(a, b *Container) { a.unmapBitmap() bitmap := a.bitmap() statsHit("union/BitmapRun") for _, run := range b.runs() { bitmapSetRangeIgnoreN(bitmap, uint64(run.start), uint64(run.last)+1) } }
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// unions the run b into the bitmap a, mutating a in place. The n value of // a will need to be repaired after the fact.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2891-L2898
train
pilosa/pilosa
roaring/roaring.go
bitmapSetRangeIgnoreN
func bitmapSetRangeIgnoreN(bitmap []uint64, i, j uint64) { x := i >> 6 y := (j - 1) >> 6 var X uint64 = maxBitmap << (i % 64) var Y uint64 = maxBitmap >> (63 - ((j - 1) % 64)) if x == y { bitmap[x] |= (X & Y) } else { bitmap[x] |= X for i := x + 1; i < y; i++ { bitmap[i] = maxBitmap } bitmap[y] |= Y...
go
func bitmapSetRangeIgnoreN(bitmap []uint64, i, j uint64) { x := i >> 6 y := (j - 1) >> 6 var X uint64 = maxBitmap << (i % 64) var Y uint64 = maxBitmap >> (63 - ((j - 1) % 64)) if x == y { bitmap[x] |= (X & Y) } else { bitmap[x] |= X for i := x + 1; i < y; i++ { bitmap[i] = maxBitmap } bitmap[y] |= Y...
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// sets all bits in [i, j) without updating any corresponding n value.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L2927-L2942
train
pilosa/pilosa
roaring/roaring.go
unionBitmapArrayInPlace
func unionBitmapArrayInPlace(a, b *Container) { a.unmapBitmap() bitmap := a.bitmap() for _, v := range b.array() { bitmap[v>>6] |= (uint64(1) << (v % 64)) } }
go
func unionBitmapArrayInPlace(a, b *Container) { a.unmapBitmap() bitmap := a.bitmap() for _, v := range b.array() { bitmap[v>>6] |= (uint64(1) << (v % 64)) } }
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// unions array b into bitmap a, mutating a in place. The n value // of a will need to be repaired after the fact.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3046-L3052
train
pilosa/pilosa
roaring/roaring.go
unionBitmapBitmapInPlace
func unionBitmapBitmapInPlace(a, b *Container) { a.unmapBitmap() // local variables added to prevent BCE checks in loop // see https://go101.org/article/bounds-check-elimination.html var ( ab = a.bitmap()[:bitmapN] bb = b.bitmap()[:bitmapN] ) // Manually unroll loop to make it a little faster. // TODO(rart...
go
func unionBitmapBitmapInPlace(a, b *Container) { a.unmapBitmap() // local variables added to prevent BCE checks in loop // see https://go101.org/article/bounds-check-elimination.html var ( ab = a.bitmap()[:bitmapN] bb = b.bitmap()[:bitmapN] ) // Manually unroll loop to make it a little faster. // TODO(rart...
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// unions bitmap b into bitmap a, mutating a in place. The n value of // a will need to be repaired after the fact.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3077-L3096
train
pilosa/pilosa
roaring/roaring.go
differenceArrayArray
func differenceArrayArray(a, b *Container) *Container { statsHit("difference/ArrayArray") output := NewContainerArray(nil) aa, ab := a.array(), b.array() na, nb := len(aa), len(ab) for i, j := 0, 0; i < na; { va := aa[i] if j >= nb { output.add(va) i++ continue } vb := ab[j] if va < vb { out...
go
func differenceArrayArray(a, b *Container) *Container { statsHit("difference/ArrayArray") output := NewContainerArray(nil) aa, ab := a.array(), b.array() na, nb := len(aa), len(ab) for i, j := 0, 0; i < na; { va := aa[i] if j >= nb { output.add(va) i++ continue } vb := ab[j] if va < vb { out...
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// differenceArrayArray computes the difference bween two arrays.
[ "differenceArrayArray", "computes", "the", "difference", "bween", "two", "arrays", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3127-L3151
train
pilosa/pilosa
roaring/roaring.go
differenceArrayRun
func differenceArrayRun(a, b *Container) *Container { statsHit("difference/ArrayRun") // func (ac *arrayContainer) iandNotRun16(rc *runContainer16) container { if a.n == 0 || b.n == 0 { return a.Clone() } output := NewContainerArray(make([]uint16, 0, a.n)) // cardinality upper bound: card(A) i := 0 // array...
go
func differenceArrayRun(a, b *Container) *Container { statsHit("difference/ArrayRun") // func (ac *arrayContainer) iandNotRun16(rc *runContainer16) container { if a.n == 0 || b.n == 0 { return a.Clone() } output := NewContainerArray(make([]uint16, 0, a.n)) // cardinality upper bound: card(A) i := 0 // array...
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// differenceArrayRun computes the difference of an array from a run.
[ "differenceArrayRun", "computes", "the", "difference", "of", "an", "array", "from", "a", "run", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3154-L3212
train
pilosa/pilosa
roaring/roaring.go
differenceBitmapRun
func differenceBitmapRun(a, b *Container) *Container { statsHit("difference/BitmapRun") if a.n == 0 || b.n == 0 { return a.Clone() } output := a.Clone() for _, run := range b.runs() { output.bitmapZeroRange(uint64(run.start), uint64(run.last)+1) } return output }
go
func differenceBitmapRun(a, b *Container) *Container { statsHit("difference/BitmapRun") if a.n == 0 || b.n == 0 { return a.Clone() } output := a.Clone() for _, run := range b.runs() { output.bitmapZeroRange(uint64(run.start), uint64(run.last)+1) } return output }
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// differenceBitmapRun computes the difference of an bitmap from a run.
[ "differenceBitmapRun", "computes", "the", "difference", "of", "an", "bitmap", "from", "a", "run", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3215-L3226
train
pilosa/pilosa
roaring/roaring.go
differenceRunArray
func differenceRunArray(a, b *Container) *Container { statsHit("difference/RunArray") if a.n == 0 || b.n == 0 { return a.Clone() } ra, ab := a.runs(), b.array() runs := make([]interval16, 0, len(ra)) bidx := 0 vb := ab[bidx] RUNLOOP: for _, run := range ra { start := run.start for vb < run.start { bi...
go
func differenceRunArray(a, b *Container) *Container { statsHit("difference/RunArray") if a.n == 0 || b.n == 0 { return a.Clone() } ra, ab := a.runs(), b.array() runs := make([]interval16, 0, len(ra)) bidx := 0 vb := ab[bidx] RUNLOOP: for _, run := range ra { start := run.start for vb < run.start { bi...
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// differenceRunArray subtracts the bits in an array container from a run // container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3230-L3283
train
pilosa/pilosa
roaring/roaring.go
differenceRunBitmap
func differenceRunBitmap(a, b *Container) *Container { statsHit("difference/RunBitmap") ra := a.runs() // If a is full, difference is the flip of b. if len(ra) > 0 && ra[0].start == 0 && ra[0].last == 65535 { return flipBitmap(b) } output := NewContainerRun(nil) runs := output.runs() if len(ra) == 0 { retur...
go
func differenceRunBitmap(a, b *Container) *Container { statsHit("difference/RunBitmap") ra := a.runs() // If a is full, difference is the flip of b. if len(ra) > 0 && ra[0].start == 0 && ra[0].last == 65535 { return flipBitmap(b) } output := NewContainerRun(nil) runs := output.runs() if len(ra) == 0 { retur...
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// differenceRunBitmap computes the difference of an run from a bitmap.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3286-L3344
train
pilosa/pilosa
roaring/roaring.go
differenceRunRun
func differenceRunRun(a, b *Container) *Container { statsHit("difference/RunRun") if a.n == 0 || b.n == 0 { return a.Clone() } ra, rb := a.runs(), b.runs() apos := 0 // current a-run index bpos := 0 // current b-run index astart := ra[apos].start alast := ra[apos].last bstart := rb[bpos].start blast := rb[...
go
func differenceRunRun(a, b *Container) *Container { statsHit("difference/RunRun") if a.n == 0 || b.n == 0 { return a.Clone() } ra, rb := a.runs(), b.runs() apos := 0 // current a-run index bpos := 0 // current b-run index astart := ra[apos].start alast := ra[apos].last bstart := rb[bpos].start blast := rb[...
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// differenceRunRun computes the difference of two runs.
[ "differenceRunRun", "computes", "the", "difference", "of", "two", "runs", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3347-L3408
train
pilosa/pilosa
roaring/roaring.go
apply
func (op *op) apply(b *Bitmap) (changed bool) { switch op.typ { case opTypeAdd: return b.DirectAdd(op.value) case opTypeRemove: return b.remove(op.value) case opTypeAddBatch: changed = b.DirectAddN(op.values...) > 0 case opTypeRemoveBatch: changed = b.DirectRemoveN(op.values...) > 0 default: panic(fmt.S...
go
func (op *op) apply(b *Bitmap) (changed bool) { switch op.typ { case opTypeAdd: return b.DirectAdd(op.value) case opTypeRemove: return b.remove(op.value) case opTypeAddBatch: changed = b.DirectAddN(op.values...) > 0 case opTypeRemoveBatch: changed = b.DirectRemoveN(op.values...) > 0 default: panic(fmt.S...
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// apply executes the operation against a bitmap.
[ "apply", "executes", "the", "operation", "against", "a", "bitmap", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3666-L3680
train
pilosa/pilosa
roaring/roaring.go
WriteTo
func (op *op) WriteTo(w io.Writer) (n int64, err error) { buf := make([]byte, op.size()) // Write type and value. buf[0] = byte(op.typ) if op.typ <= 1 { binary.LittleEndian.PutUint64(buf[1:9], op.value) } else { binary.LittleEndian.PutUint64(buf[1:9], uint64(len(op.values))) p := 13 // start of values (skip...
go
func (op *op) WriteTo(w io.Writer) (n int64, err error) { buf := make([]byte, op.size()) // Write type and value. buf[0] = byte(op.typ) if op.typ <= 1 { binary.LittleEndian.PutUint64(buf[1:9], op.value) } else { binary.LittleEndian.PutUint64(buf[1:9], uint64(len(op.values))) p := 13 // start of values (skip...
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// WriteTo writes op to the w.
[ "WriteTo", "writes", "op", "to", "the", "w", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3683-L3708
train
pilosa/pilosa
roaring/roaring.go
UnmarshalBinary
func (op *op) UnmarshalBinary(data []byte) error { if len(data) < minOpSize { return fmt.Errorf("op data out of bounds: len=%d", len(data)) } statsHit("op/UnmarshalBinary") op.typ = opType(data[0]) // op.value will actually contain the length of values for batch ops op.value = binary.LittleEndian.Uint64(data[1...
go
func (op *op) UnmarshalBinary(data []byte) error { if len(data) < minOpSize { return fmt.Errorf("op data out of bounds: len=%d", len(data)) } statsHit("op/UnmarshalBinary") op.typ = opType(data[0]) // op.value will actually contain the length of values for batch ops op.value = binary.LittleEndian.Uint64(data[1...
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// UnmarshalBinary decodes data into an op.
[ "UnmarshalBinary", "decodes", "data", "into", "an", "op", "." ]
67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3713-L3744
train
pilosa/pilosa
roaring/roaring.go
size
func (op *op) size() int { if op.typ == opTypeAdd || op.typ == opTypeRemove { return 1 + 8 + 4 } return 1 + 8 + 4 + len(op.values)*8 }
go
func (op *op) size() int { if op.typ == opTypeAdd || op.typ == opTypeRemove { return 1 + 8 + 4 } return 1 + 8 + 4 + len(op.values)*8 }
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// size returns the encoded size of the op, in bytes.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3747-L3752
train
pilosa/pilosa
roaring/roaring.go
count
func (op *op) count() int { switch op.typ { case 0, 1: return 1 case 2, 3: return len(op.values) default: panic(fmt.Sprintf("unknown operation type: %d", op.typ)) } }
go
func (op *op) count() int { switch op.typ { case 0, 1: return 1 case 2, 3: return len(op.values) default: panic(fmt.Sprintf("unknown operation type: %d", op.typ)) } }
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// count returns the number of bits the operation mutates.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3755-L3764
train
pilosa/pilosa
roaring/roaring.go
search32
func search32(a []uint16, value uint16) int32 { statsHit("search32") // Optimize for elements and the last element. n := int32(len(a)) if n == 0 { return -1 } else if a[n-1] == value { return n - 1 } // Otherwise perform binary search for exact match. lo, hi := int32(0), n-1 for lo+16 <= hi { i := int32...
go
func search32(a []uint16, value uint16) int32 { statsHit("search32") // Optimize for elements and the last element. n := int32(len(a)) if n == 0 { return -1 } else if a[n-1] == value { return n - 1 } // Otherwise perform binary search for exact match. lo, hi := int32(0), n-1 for lo+16 <= hi { i := int32...
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// search32 returns the index of value in a. If value is not found, it works the // same way as search64.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3771-L3806
train
pilosa/pilosa
roaring/roaring.go
Append
func (a *ErrorList) Append(err error) { switch err := err.(type) { case ErrorList: *a = append(*a, err...) default: *a = append(*a, err) } }
go
func (a *ErrorList) Append(err error) { switch err := err.(type) { case ErrorList: *a = append(*a, err...) default: *a = append(*a, err) } }
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// Append appends an error to the list. If err is an ErrorList then all errors are appended.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3872-L3879
train
pilosa/pilosa
roaring/roaring.go
AppendWithPrefix
func (a *ErrorList) AppendWithPrefix(err error, prefix string) { switch err := err.(type) { case ErrorList: for i := range err { *a = append(*a, fmt.Errorf("%s%s", prefix, err[i])) } default: *a = append(*a, fmt.Errorf("%s%s", prefix, err)) } }
go
func (a *ErrorList) AppendWithPrefix(err error, prefix string) { switch err := err.(type) { case ErrorList: for i := range err { *a = append(*a, fmt.Errorf("%s%s", prefix, err[i])) } default: *a = append(*a, fmt.Errorf("%s%s", prefix, err)) } }
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// AppendWithPrefix appends an error to the list and includes a prefix.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3882-L3891
train
pilosa/pilosa
roaring/roaring.go
xorArrayRun
func xorArrayRun(a, b *Container) *Container { statsHit("xor/ArrayRun") output := NewContainerRun(nil) aa, rb := a.array(), b.runs() na, nb := len(aa), len(rb) var vb interval16 var va uint16 lastI, lastJ := -1, -1 for i, j := 0, 0; i < na || j < nb; { if i < na && i != lastI { va = aa[i] } if j < nb &...
go
func xorArrayRun(a, b *Container) *Container { statsHit("xor/ArrayRun") output := NewContainerRun(nil) aa, rb := a.array(), b.runs() na, nb := len(aa), len(rb) var vb interval16 var va uint16 lastI, lastJ := -1, -1 for i, j := 0, 0; i < na || j < nb; { if i < na && i != lastI { va = aa[i] } if j < nb &...
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// xorArrayRun computes the exclusive or of an array and a run container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L3894-L3957
train
pilosa/pilosa
roaring/roaring.go
xorRunRun
func xorRunRun(a, b *Container) *Container { statsHit("xor/RunRun") ra, rb := a.runs(), b.runs() na, nb := len(ra), len(rb) if na == 0 { return b.Clone() } if nb == 0 { return a.Clone() } output := NewContainerRun(nil) lastI, lastJ := -1, -1 state := &xorstm{} for i, j := 0, 0; i < na || j < nb; { i...
go
func xorRunRun(a, b *Container) *Container { statsHit("xor/RunRun") ra, rb := a.runs(), b.runs() na, nb := len(ra), len(rb) if na == 0 { return b.Clone() } if nb == 0 { return a.Clone() } output := NewContainerRun(nil) lastI, lastJ := -1, -1 state := &xorstm{} for i, j := 0, 0; i < na || j < nb; { i...
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// xorRunRun computes the exclusive or of two run containers.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L4054-L4102
train
pilosa/pilosa
roaring/roaring.go
xorBitmapRun
func xorBitmapRun(a, b *Container) *Container { statsHit("xor/BitmapRun") output := a.Clone() for _, run := range b.runs() { output.bitmapXorRange(uint64(run.start), uint64(run.last)+1) } return output }
go
func xorBitmapRun(a, b *Container) *Container { statsHit("xor/BitmapRun") output := a.Clone() for _, run := range b.runs() { output.bitmapXorRange(uint64(run.start), uint64(run.last)+1) } return output }
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// xorRunRun computes the exclusive or of a bitmap and a run container.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L4105-L4114
train
pilosa/pilosa
roaring/roaring.go
UnmarshalBinary
func (b *Bitmap) UnmarshalBinary(data []byte) error { if data == nil { // Nothing to unmarshal return nil } statsHit("Bitmap/UnmarshalBinary") b.opN = 0 // reset opN since we're reading new data. fileMagic := uint32(binary.LittleEndian.Uint16(data[0:2])) if fileMagic == MagicNumber { // if pilosa roaring re...
go
func (b *Bitmap) UnmarshalBinary(data []byte) error { if data == nil { // Nothing to unmarshal return nil } statsHit("Bitmap/UnmarshalBinary") b.opN = 0 // reset opN since we're reading new data. fileMagic := uint32(binary.LittleEndian.Uint16(data[0:2])) if fileMagic == MagicNumber { // if pilosa roaring re...
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// UnmarshalBinary decodes b from a binary-encoded byte slice. data can be in // either official roaring format or Pilosa's roaring format.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L4231-L4269
train
pilosa/pilosa
roaring/roaring.go
markItersWithKeyAsHandled
func (w handledIters) markItersWithKeyAsHandled(startIdx int, key uint64) { for i := startIdx; i < len(w); i++ { wrapped := w[i] currKey, _ := wrapped.iter.Value() if currKey == key { w[i].handled = true } } }
go
func (w handledIters) markItersWithKeyAsHandled(startIdx int, key uint64) { for i := startIdx; i < len(w); i++ { wrapped := w[i] currKey, _ := wrapped.iter.Value() if currKey == key { w[i].handled = true } } }
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// Check all the iters from startIdx and up to see whether their next // key is the given key; if it is, mark them as handled.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/roaring.go#L4349-L4357
train
pilosa/pilosa
roaring/btree.go
Seek
func (t *tree) Seek(k uint64) (e *enumerator, ok bool) { q := t.r if q == nil { e = btEPool.get(nil, false, 0, k, nil, t, t.ver) return } for { var i int if i, ok = t.find(q, k); ok { switch x := q.(type) { case *x: q = x.x[i+1].ch continue case *d: return btEPool.get(nil, ok, i, k, x,...
go
func (t *tree) Seek(k uint64) (e *enumerator, ok bool) { q := t.r if q == nil { e = btEPool.get(nil, false, 0, k, nil, t, t.ver) return } for { var i int if i, ok = t.find(q, k); ok { switch x := q.(type) { case *x: q = x.x[i+1].ch continue case *d: return btEPool.get(nil, ok, i, k, x,...
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// Seek returns an Enumerator positioned on an item such that k >= item's key. // ok reports if k == item.key The Enumerator's position is possibly after the // last item in the tree.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/btree.go#L517-L543
train
pilosa/pilosa
roaring/btree.go
Prev
func (e *enumerator) Prev() (k uint64, v *Container, err error) { if err = e.err; err != nil { return 0, nil, err } if e.ver != e.t.ver { f, _ := e.t.Seek(e.k) *e = *f f.Close() } if e.q == nil { e.err, err = io.EOF, io.EOF return 0, nil, err } if !e.hit { // move to previous because Seek oversho...
go
func (e *enumerator) Prev() (k uint64, v *Container, err error) { if err = e.err; err != nil { return 0, nil, err } if e.ver != e.t.ver { f, _ := e.t.Seek(e.k) *e = *f f.Close() } if e.q == nil { e.err, err = io.EOF, io.EOF return 0, nil, err } if !e.hit { // move to previous because Seek oversho...
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// Prev returns the currently enumerated item, if it exists and moves to the // previous item in the key collation order. If there is no item to return, err // == io.EOF is returned.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/roaring/btree.go#L899-L934
train
pilosa/pilosa
translate.go
OptTranslateFileMapSize
func OptTranslateFileMapSize(mapSize int) TranslateFileOption { return func(f *TranslateFile) error { f.mapSize = mapSize return nil } }
go
func OptTranslateFileMapSize(mapSize int) TranslateFileOption { return func(f *TranslateFile) error { f.mapSize = mapSize return nil } }
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// OptTranslateFileMapSize is a functional option on TranslateFile // used to set the map size.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L106-L111
train
pilosa/pilosa
translate.go
OptTranslateFileLogger
func OptTranslateFileLogger(l logger.Logger) TranslateFileOption { return func(s *TranslateFile) error { s.logger = l return nil } }
go
func OptTranslateFileLogger(l logger.Logger) TranslateFileOption { return func(s *TranslateFile) error { s.logger = l return nil } }
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// OptTranslateFileLogger is a functional option on TranslateFile // used to set the file logger.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L115-L120
train
pilosa/pilosa
translate.go
NewTranslateFile
func NewTranslateFile(opts ...TranslateFileOption) *TranslateFile { var defaultMapSize64 int64 = 10 * (1 << 30) var defaultMapSize int if ^uint(0)>>32 > 0 { // 10GB default map size defaultMapSize = int(defaultMapSize64) } else { // Use 2GB default map size on 32-bit systems defaultMapSize = (1 << 31) - 1 ...
go
func NewTranslateFile(opts ...TranslateFileOption) *TranslateFile { var defaultMapSize64 int64 = 10 * (1 << 30) var defaultMapSize int if ^uint(0)>>32 > 0 { // 10GB default map size defaultMapSize = int(defaultMapSize64) } else { // Use 2GB default map size on 32-bit systems defaultMapSize = (1 << 31) - 1 ...
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// NewTranslateFile returns a new instance of TranslateFile.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L123-L159
train
pilosa/pilosa
translate.go
Open
func (s *TranslateFile) Open() (err error) { // Open writer & buffered writer. if err := os.MkdirAll(filepath.Dir(s.Path), 0777); err != nil { return errors.Wrapf(err, "mkdir %s", filepath.Dir(s.Path)) } else if s.file, err = os.OpenFile(s.Path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666); err != nil { return error...
go
func (s *TranslateFile) Open() (err error) { // Open writer & buffered writer. if err := os.MkdirAll(filepath.Dir(s.Path), 0777); err != nil { return errors.Wrapf(err, "mkdir %s", filepath.Dir(s.Path)) } else if s.file, err = os.OpenFile(s.Path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666); err != nil { return error...
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// Open opens the translate file.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L162-L186
train
pilosa/pilosa
translate.go
handlePrimaryStoreEvent
func (s *TranslateFile) handlePrimaryStoreEvent(ev primaryStoreEvent) error { s.mu.Lock() defer s.mu.Unlock() if ev.id == s.primaryID { return nil } // Stop translate store replication. close(s.replicationClosing) s.repWG.Wait() // Set the primary node for translate store replication. s.logger.Debugf("set...
go
func (s *TranslateFile) handlePrimaryStoreEvent(ev primaryStoreEvent) error { s.mu.Lock() defer s.mu.Unlock() if ev.id == s.primaryID { return nil } // Stop translate store replication. close(s.replicationClosing) s.repWG.Wait() // Set the primary node for translate store replication. s.logger.Debugf("set...
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// handlePrimaryStoreEvent changes the PrimaryTranslateStore // used for replication by TranslateFile.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L212-L241
train
pilosa/pilosa
translate.go
Close
func (s *TranslateFile) Close() (err error) { s.once.Do(func() { close(s.closing) if s.file != nil { if e := s.file.Close(); e != nil && err == nil { err = e } } if s.data != nil { if e := syscall.Munmap(s.data); e != nil && err == nil { err = e } } }) s.wg.Wait() return err }
go
func (s *TranslateFile) Close() (err error) { s.once.Do(func() { close(s.closing) if s.file != nil { if e := s.file.Close(); e != nil && err == nil { err = e } } if s.data != nil { if e := syscall.Munmap(s.data); e != nil && err == nil { err = e } } }) s.wg.Wait() return err }
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// Close closes the translate file.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L244-L261
train
pilosa/pilosa
translate.go
size
func (s *TranslateFile) size() int64 { s.mu.RLock() n := s.n s.mu.RUnlock() return n }
go
func (s *TranslateFile) size() int64 { s.mu.RLock() n := s.n s.mu.RUnlock() return n }
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// size returns the number of bytes in use in the data file.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L269-L274
train
pilosa/pilosa
translate.go
WriteNotify
func (s *TranslateFile) WriteNotify() <-chan struct{} { s.mu.RLock() ch := s.writeNotify s.mu.RUnlock() return ch }
go
func (s *TranslateFile) WriteNotify() <-chan struct{} { s.mu.RLock() ch := s.writeNotify s.mu.RUnlock() return ch }
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// WriteNotify returns a channel that is closed when a new entry is written.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L282-L287
train
pilosa/pilosa
translate.go
monitorReplication
func (s *TranslateFile) monitorReplication() { // Create context that will cancel on close. ctx, cancel := context.WithCancel(context.Background()) go func() { select { case <-s.closing: case <-s.replicationClosing: } cancel() }() // Keep attempting to replicate until the store closes. for { if err :...
go
func (s *TranslateFile) monitorReplication() { // Create context that will cancel on close. ctx, cancel := context.WithCancel(context.Background()) go func() { select { case <-s.closing: case <-s.replicationClosing: } cancel() }() // Keep attempting to replicate until the store closes. for { if err :...
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// monitorReplication is executed in a separate goroutine and continually streams // from the primary store until this store is closed.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L382-L405
train
pilosa/pilosa
translate.go
monitorPrimaryStoreEvents
func (s *TranslateFile) monitorPrimaryStoreEvents() { // Keep handling events until the store closes. for { select { case <-s.closing: return case ev := <-s.primaryStoreEvents: if err := s.handlePrimaryStoreEvent(ev); err != nil { s.logger.Printf("handle primary store event") } } } }
go
func (s *TranslateFile) monitorPrimaryStoreEvents() { // Keep handling events until the store closes. for { select { case <-s.closing: return case ev := <-s.primaryStoreEvents: if err := s.handlePrimaryStoreEvent(ev); err != nil { s.logger.Printf("handle primary store event") } } } }
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// monitorPrimaryStoreEvents is executed in a separate goroutine and listens for changes // to the primary store assignment.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L409-L421
train
pilosa/pilosa
translate.go
TranslateColumnsToUint64
func (s *TranslateFile) TranslateColumnsToUint64(index string, values []string) ([]uint64, error) { ret := make([]uint64, len(values)) // Read value under read lock. s.mu.RLock() if idx := s.cols[index]; idx != nil { var writeRequired bool for i := range values { v, ok := idx.idByKey([]byte(values[i])) i...
go
func (s *TranslateFile) TranslateColumnsToUint64(index string, values []string) ([]uint64, error) { ret := make([]uint64, len(values)) // Read value under read lock. s.mu.RLock() if idx := s.cols[index]; idx != nil { var writeRequired bool for i := range values { v, ok := idx.idByKey([]byte(values[i])) i...
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// TranslateColumnsToUint64 converts values to a uint64 id. // If value does not have an associated id then one is created.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L496-L584
train
pilosa/pilosa
translate.go
TranslateRowToString
func (s *TranslateFile) TranslateRowToString(index, field string, id uint64) (string, error) { s.mu.RLock() if idx := s.rows[fieldKey{index, field}]; idx != nil { if ret, ok := idx.keyByID(id); ok { s.mu.RUnlock() return string(ret), nil } } s.mu.RUnlock() return "", nil }
go
func (s *TranslateFile) TranslateRowToString(index, field string, id uint64) (string, error) { s.mu.RLock() if idx := s.rows[fieldKey{index, field}]; idx != nil { if ret, ok := idx.keyByID(id); ok { s.mu.RUnlock() return string(ret), nil } } s.mu.RUnlock() return "", nil }
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// TranslateRowToString translates a row ID to a string key.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L693-L703
train
pilosa/pilosa
translate.go
Reader
func (s *TranslateFile) Reader(ctx context.Context, offset int64) (io.ReadCloser, error) { rc := newTranslateFileReader(ctx, s, offset) if err := rc.Open(); err != nil { return nil, err } return rc, nil }
go
func (s *TranslateFile) Reader(ctx context.Context, offset int64) (io.ReadCloser, error) { rc := newTranslateFileReader(ctx, s, offset) if err := rc.Open(); err != nil { return nil, err } return rc, nil }
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// Reader returns a reader that streams the underlying data file.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L706-L712
train
pilosa/pilosa
translate.go
headerSize
func (e *LogEntry) headerSize() int64 { sz := uVarintSize(e.Length) + // total entry length 1 + // type uVarintSize(uint64(len(e.Index))) + len(e.Index) + // Index length and data uVarintSize(uint64(len(e.Field))) + len(e.Field) + // Field length and data uVarintSize(uint64(len(e.IDs))) // ID/Key pair count r...
go
func (e *LogEntry) headerSize() int64 { sz := uVarintSize(e.Length) + // total entry length 1 + // type uVarintSize(uint64(len(e.Index))) + len(e.Index) + // Index length and data uVarintSize(uint64(len(e.Field))) + len(e.Field) + // Field length and data uVarintSize(uint64(len(e.IDs))) // ID/Key pair count r...
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// headerSize returns the number of bytes required for size, type, index, field, & pair count.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L730-L737
train
pilosa/pilosa
translate.go
WriteTo
func (e *LogEntry) WriteTo(w io.Writer) (_ int64, err error) { var buf bytes.Buffer b := make([]byte, binary.MaxVarintLen64) // Write the entry type. if err := binary.Write(&buf, binary.BigEndian, e.Type); err != nil { return 0, err } // Write the index name. sz := binary.PutUvarint(b, uint64(len(e.Index))) ...
go
func (e *LogEntry) WriteTo(w io.Writer) (_ int64, err error) { var buf bytes.Buffer b := make([]byte, binary.MaxVarintLen64) // Write the entry type. if err := binary.Write(&buf, binary.BigEndian, e.Type); err != nil { return 0, err } // Write the index name. sz := binary.PutUvarint(b, uint64(len(e.Index))) ...
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// WriteTo serializes a LogEntry to w.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L817-L875
train
pilosa/pilosa
translate.go
validLogEntriesLen
func validLogEntriesLen(p []byte) (n int) { r := bytes.NewReader(p) for { if sz, err := binary.ReadUvarint(r); err != nil { return n } else if off, err := r.Seek(int64(sz), io.SeekCurrent); err != nil { return n } else if off > int64(len(p)) { return n } else { n = int(off) } } }
go
func validLogEntriesLen(p []byte) (n int) { r := bytes.NewReader(p) for { if sz, err := binary.ReadUvarint(r); err != nil { return n } else if off, err := r.Seek(int64(sz), io.SeekCurrent); err != nil { return n } else if off > int64(len(p)) { return n } else { n = int(off) } } }
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// validLogEntriesLen returns the maximum length of p that contains valid entries.
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67d53f6b48a43f7fe090f48e35518ca8d024747c
https://github.com/pilosa/pilosa/blob/67d53f6b48a43f7fe090f48e35518ca8d024747c/translate.go#L878-L891
train