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Use MERGE for idempotent upserts with ON CREATE and ON MATCH clauses to avoid duplicates
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| name | Use MERGE to avoid duplicate nodes |
| description | Use MERGE for idempotent upserts with ON CREATE and ON MATCH clauses to avoid duplicates |
Use MERGE for idempotent upserts that create nodes only if they don't exist.
Use MERGE when you want to ensure a node exists without creating duplicates. Combine with ON CREATE and ON MATCH clauses to set properties conditionally.
redis-cli GRAPH.QUERY social "MERGE (u:User {id: 42})
ON CREATE SET u.name = 'Dana'
ON MATCH SET u.last_seen = timestamp()"
MERGE creates the node if it doesn't exist, or matches it if it doesON CREATE SET runs only when a new node is createdON MATCH SET runs only when an existing node is matchedPractical FalkorDB guidance — Cypher queries, UDF management, Docker operations, and data ingestion. Use when writing or reviewing FalkorDB queries, setting up FalkorDB containers, working with user-defined functions, or migrating data from other sources.
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