Files
Baradb/docs/en/graph.md
dimgigov e1bae0c7a0 Add comprehensive documentation with i18n support (EN/BG)
- Add docs/ folder with English (en/) and Bulgarian (bg/) documentation
- Create index.md with language switching and links
- English docs: installation, quickstart, architecture, baraql, storage,
  schema, lsm, btree, vector, graph, fts, columnar, transactions,
  distributed, protocol, udf, api-binary, api-http, api-websocket
- Bulgarian docs: installation, quickstart, architecture, baraql,
  schema, lsm, btree, vector, graph, fts, transactions, distributed
- Update README license to BSD 3-Clause
- Add LICENSE file with BSD 3-Clause text
2026-05-06 16:51:14 +03:00

1.1 KiB

Graph Engine

Adjacency list storage with built-in algorithms for graph traversal and analysis.

Usage

import barabadb/graph/engine

var g = newGraph()
let alice = g.addNode("Person", {"name": "Alice"}.toTable)
let bob = g.addNode("Person", {"name": "Bob"}.toTable)
discard g.addEdge(alice, bob, "knows")

# Traversal
let bfs = g.bfs(alice)
let dfs = g.dfs(alice)
let path = g.shortestPath(alice, bob)
let ranks = g.pageRank()

Algorithms

Algorithm Description
bfs Breadth-first traversal
dfs Depth-first traversal
dijkstra Shortest weighted path
pageRank Node importance ranking
louvain Community detection
patternMatch Subgraph isomorphism

Cypher Query

import barabadb/graph/cypher

var engine = newCypherEngine(g)
let results = engine.execute("""
  MATCH (p:Person)-[:KNOWS]->(friend:Person)
  WHERE p.name = 'Alice'
  RETURN friend.name
""")

Pattern Matching

MATCH (a:Person)-[:KNOWS]->(b:Person)-[:KNOWS]->(c:Person)
WHERE a.name = 'Alice'
RETURN b.name, c.name