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feat(nodes): migrate neo4j onto the graph base class (graph_neo4j) #1611

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Merged
dsapandora merged 1 commit into from
Jul 16, 2026
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feat(nodes): migrate neo4j onto the graph base class (graph_neo4j) #1611

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8 changes: 4 additions & 4 deletions docs/README-nodes.md
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Original file line number Diff line number Diff line change
Expand Up @@ -150,13 +150,13 @@ channel; they have no data lanes and **bind to an agent** (see
| `db_postgres` | answers, questions → answers, table, text | PostgreSQL and Supabase (insert + NL-to-SQL) |
| `db_mysql` | answers, questions → answers, table, text | MySQL |
| `db_clickhouse` | questions → answers, table, text | ClickHouse (NL-to-SQL) |
| `db_neo4j` | questions → answers, table, text | Neo4j graph database |

### Graph Databases

| Service | Data flow (in → out) | Description |
| ---------------- | -------------------------------- | --------------------------------------------------- |
| `graph_falkordb` | questions → answers, table, text | FalkorDB graph database (NL-to-Cypher, multi-graph) |
| Service | Data flow (in → out) | Description |
| ---------------- | -------------------------------- | ---------------------------------------------------- |
| `graph_falkordb` | questions → answers, table, text | FalkorDB graph database (NL-to-Cypher, multi-graph) |
| `graph_neo4j` | questions → answers, table, text | Neo4j graph database (NL-to-Cypher, READ access) |

### Document Processing

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384 changes: 0 additions & 384 deletions nodes/src/nodes/db_neo4j/IGlobal.py
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431 changes: 0 additions & 431 deletions nodes/src/nodes/db_neo4j/IInstance.py
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84 changes: 0 additions & 84 deletions nodes/src/nodes/db_neo4j/utils.py
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4 changes: 2 additions & 2 deletions nodes/src/nodes/graph_falkordb/README.md
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Expand Up @@ -16,8 +16,8 @@ Queries a FalkorDB graph in two ways, and you can use either or both:
It derives from `ai.common.graph.GraphInstanceBase`, the base class shared by every graph
database node: the lane handling, the natural-language-to-Cypher loop and the common tools live
there, so this node only implements what is specific to FalkorDB — the Redis-protocol client,
multi-graph selection, and server-side read-only execution. (`db_neo4j` predates the base class
and is migrated to it separately.)
multi-graph selection, and server-side read-only execution. (`graph_neo4j` derives from the same
base.)

Queries are **read-only by default**: they run through `GRAPH.RO_QUERY`, so the FalkorDB server
itself rejects any write clause (`CREATE`/`MERGE`/`SET`/`DELETE`) — the restriction is enforced
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