Knowledge Graph Memory Server

Instructions

Implementation Reference

• optimized_memory_mcp_server/storage/sqlite/operations/relation_ops.py:56-77 (handler)

  The handler function that executes the SQL DELETE operation for relations.

  async def delete_relations(
      self, 
      relations: List[Dict[str, Any]], 
      batch_size: int = 1000
  ) -> None:
      """Remove specific relations using batch processing."""
      async with self.pool.get_connection() as conn:
          async with self.pool.transaction(conn):
              for i in range(0, len(relations), batch_size):
                  batch = relations[i:i + batch_size]
                  relation_objects = [Relation.from_dict(r) for r in batch]
                  
                  await conn.executemany(
                      """
                      DELETE FROM relations 
                      WHERE from_entity = ? 
                      AND to_entity = ? 
                      AND relation_type = ?
                      """,
                      [(r.from_, r.to, r.relationType) for r in relation_objects]
                  )

• optimized_memory_mcp_server/main.py:222-244 (schema)

  The definition of the delete_relations tool schema.

      name="delete_relations",
      description="Remove specific relations from the graph",
      inputSchema={
          "type": "object",
          "properties": {
              "relations": {
                  "type": "array",
                  "items": {
                      "type": "object",
                      "properties": {
                          "from": {"type": "string"},
                          "to": {"type": "string"},
                          "relationType": {"type": "string"}
                      },
                      "required": ["from", "to", "relationType"],
                      "additionalProperties": False
                  }
              }
          },
          "required": ["relations"],
          "additionalProperties": False
      }
  ),