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
60
61
62
63
64
65

//! Schema operations for Python bindings

use crate::core::single_file::SingleFileDB as RustSingleFileDB;

/// Trait for schema operations
pub trait SchemaOps {
  /// Get or create a label ID
  fn ensure_label_impl(&self, name: &str) -> u32;
  /// Get label ID by name
  fn label_id_impl(&self, name: &str) -> Option<u32>;
  /// Get label name by ID
  fn label_name_impl(&self, id: u32) -> Option<String>;
  /// Get or create an edge type ID
  fn ensure_etype_impl(&self, name: &str) -> u32;
  /// Get edge type ID by name
  fn etype_id_impl(&self, name: &str) -> Option<u32>;
  /// Get edge type name by ID
  fn etype_name_impl(&self, id: u32) -> Option<String>;
  /// Get or create a property key ID
  fn ensure_propkey_impl(&self, name: &str) -> u32;
  /// Get property key ID by name
  fn propkey_id_impl(&self, name: &str) -> Option<u32>;
  /// Get property key name by ID
  fn propkey_name_impl(&self, id: u32) -> Option<String>;
}

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

pub fn ensure_label_single(db: &RustSingleFileDB, name: &str) -> u32 {
  db.label_id_or_create(name)
}

pub fn label_id_single(db: &RustSingleFileDB, name: &str) -> Option<u32> {
  db.label_id(name)
}

pub fn label_name_single(db: &RustSingleFileDB, id: u32) -> Option<String> {
  db.label_name(id)
}

pub fn ensure_etype_single(db: &RustSingleFileDB, name: &str) -> u32 {
  db.etype_id_or_create(name)
}

pub fn etype_id_single(db: &RustSingleFileDB, name: &str) -> Option<u32> {
  db.etype_id(name)
}

pub fn etype_name_single(db: &RustSingleFileDB, id: u32) -> Option<String> {
  db.etype_name(id)
}

pub fn ensure_propkey_single(db: &RustSingleFileDB, name: &str) -> u32 {
  db.propkey_id_or_create(name)
}

pub fn propkey_id_single(db: &RustSingleFileDB, name: &str) -> Option<u32> {
  db.propkey_id(name)
}

pub fn propkey_name_single(db: &RustSingleFileDB, id: u32) -> Option<String> {
  db.propkey_name(id)
}