kitedb 0.2.18

High-performance embedded graph database
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

//! Vector operations for Python bindings

use pyo3::exceptions::PyRuntimeError;
use pyo3::prelude::*;

use crate::core::single_file::SingleFileDB as RustSingleFileDB;
use crate::types::{NodeId, PropKeyId};

/// Trait for vector operations
pub trait VectorOps {
  /// Set a vector embedding for a node
  fn set_node_vector_impl(&self, node_id: i64, prop_key_id: u32, vector: Vec<f64>) -> PyResult<()>;
  /// Get a vector embedding for a node
  fn node_vector_impl(&self, node_id: i64, prop_key_id: u32) -> PyResult<Option<Vec<f64>>>;
  /// Delete a vector embedding for a node
  fn delete_node_vector_impl(&self, node_id: i64, prop_key_id: u32) -> PyResult<()>;
  /// Check if a node has a vector embedding
  fn has_node_vector_impl(&self, node_id: i64, prop_key_id: u32) -> PyResult<bool>;
}

// ============================================================================
// Single-file database operations
// ============================================================================

pub fn set_node_vector_single(
  db: &RustSingleFileDB,
  node_id: NodeId,
  prop_key_id: PropKeyId,
  vector: &[f32],
) -> PyResult<()> {
  db.set_node_vector(node_id, prop_key_id, vector)
    .map_err(|e| PyRuntimeError::new_err(format!("Failed to set vector: {e}")))
}

pub fn node_vector_single(
  db: &RustSingleFileDB,
  node_id: NodeId,
  prop_key_id: PropKeyId,
) -> Option<Vec<f64>> {
  db.node_vector(node_id, prop_key_id)
    .map(|v| v.iter().map(|&f| f as f64).collect())
}

pub fn delete_node_vector_single(
  db: &RustSingleFileDB,
  node_id: NodeId,
  prop_key_id: PropKeyId,
) -> PyResult<()> {
  db.delete_node_vector(node_id, prop_key_id)
    .map_err(|e| PyRuntimeError::new_err(format!("Failed to delete vector: {e}")))
}

pub fn has_node_vector_single(
  db: &RustSingleFileDB,
  node_id: NodeId,
  prop_key_id: PropKeyId,
) -> bool {
  db.has_node_vector(node_id, prop_key_id)
}