cayley

package module
v0.7.8-ap Latest Latest
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 Go to latest Published: Nov 27, 2019 License: Apache-2.0 Imports: 6 Imported by: 0

README

Build Status Container Repository

Cayley is an open-source database for Linked Data. It is inspired by the graph database behind Google's Knowledge Graph (formerly Freebase).

Get it from the Snap Store

Documentation

Features

  • Built-in query editor, visualizer and REPL
  • Multiple query languages:
  • Modular: easy to connect to your favorite programming languages and back-end stores
  • Production ready: well tested and used by various companies for their production workloads
  • Fast: optimized specifically for usage in applications

Performance

Rough performance testing shows that, on 2014 consumer hardware and an average disk, 134m quads in LevelDB is no problem and a multi-hop intersection query -- films starring X and Y -- takes ~150ms.

Community

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	StartMorphism = path.StartMorphism
	StartPath     = path.StartPath

	NewTransaction = graph.NewTransaction
)

Functions

func Quad added in v0.5.0 

func Quad(subject, predicate, object, label interface{}) quad.Quad

func Triple added in v0.5.0 

func Triple(subject, predicate, object interface{}) quad.Quad

Types

type Handle added in v0.5.0 

type Handle struct {
	graph.QuadStore
	graph.QuadWriter
}

func NewGraph added in v0.5.0 

func NewGraph(name, dbpath string, opts graph.Options) (*Handle, error)

func NewMemoryGraph added in v0.5.0 

func NewMemoryGraph() (*Handle, error)

func (*Handle) Close added in v0.5.0 

func (h *Handle) Close() error

type Iterator added in v0.5.0 

type Iterator = iterator.Shape

type Path added in v0.5.0 

type Path = path.Path

type QuadStore added in v0.5.0 

type QuadStore = graph.QuadStore

type QuadWriter added in v0.5.0 

type QuadWriter = graph.QuadWriter

Source Files

View all Source files

Directories

Path Synopsis
Package clog provides a logging interface for cayley packages.
 Package clog provides a logging interface for cayley packages.
glog
cmd
cayley command
cayley/command
docgen command
download_ui command
examples
hello_bolt command
hello_schema command
hello_world command
transaction command
all
gaedatastore
graphmock
graphtest
graphtest/testutil
http
iterator
kv
kv/all
kv/badger
kv/bolt
kv/btree
kv/kvtest
kv/leveldb
log
memstore
Package b implements a B+tree.
 Package b implements a B+tree.
nosql
nosql/all
nosql/elastic
nosql/mongo
nosql/nosqltest
nosql/ouch
proto
Package proto is a generated protocol buffer package.
 Package proto is a generated protocol buffer package.
refs
sql
sql/cockroach
sql/mysql
sql/postgres
sql/sqlite
sql/sqltest
decompressor
gephi
http
You can use the "packr clean" command to clean up this, and any other packr generated files.
 You can use the "packr clean" command to clean up this, and any other packr generated files.
lru
repl
Package query defines the graph session interface general to all query languages.
 Package query defines the graph session interface general to all query languages.
gizmo
graphql
mql
path
path/pathtest
sexp
shape
Package schema contains helpers to map Go objects to quads and vise-versa.
 Package schema contains helpers to map Go objects to quads and vise-versa.
server
http

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