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reifydb_transaction/transaction/catalog/
relationship.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use reifydb_core::interface::catalog::{
5	change::CatalogTrackRelationshipChangeOperations,
6	id::{NamespaceId, RelationshipId, TableId},
7	relationship::Relationship,
8};
9use reifydb_value::Result;
10
11use crate::{
12	change::{
13		Change,
14		OperationType::{Create, Delete},
15		TransactionalRelationshipChanges,
16	},
17	transaction::admin::AdminTransaction,
18};
19
20impl CatalogTrackRelationshipChangeOperations for AdminTransaction {
21	fn track_relationship_created(&mut self, relationship: Relationship) -> Result<()> {
22		let change = Change {
23			pre: None,
24			post: Some(relationship),
25			op: Create,
26		};
27		self.changes.add_relationship_change(change);
28		Ok(())
29	}
30
31	fn track_relationship_deleted(&mut self, relationship: Relationship) -> Result<()> {
32		let change = Change {
33			pre: Some(relationship),
34			post: None,
35			op: Delete,
36		};
37		self.changes.add_relationship_change(change);
38		Ok(())
39	}
40}
41
42impl TransactionalRelationshipChanges for AdminTransaction {
43	fn find_relationship(&self, id: RelationshipId) -> Option<&Relationship> {
44		for change in self.changes.relationship.iter().rev() {
45			if let Some(rel) = &change.post {
46				if rel.id == id {
47					return Some(rel);
48				}
49			} else if let Some(rel) = &change.pre
50				&& rel.id == id && change.op == Delete
51			{
52				return None;
53			}
54		}
55		None
56	}
57
58	fn find_relationship_by_name(
59		&self,
60		namespace: NamespaceId,
61		source_table: TableId,
62		name: &str,
63	) -> Option<&Relationship> {
64		self.changes.relationship.iter().rev().find_map(|change| {
65			change.post.as_ref().filter(|r| {
66				r.namespace == namespace && r.source_table == source_table && r.name == name
67			})
68		})
69	}
70
71	fn is_relationship_deleted(&self, id: RelationshipId) -> bool {
72		self.changes
73			.relationship
74			.iter()
75			.rev()
76			.any(|change| change.op == Delete && change.pre.as_ref().map(|r| r.id) == Some(id))
77	}
78
79	fn is_relationship_deleted_by_name(&self, namespace: NamespaceId, source_table: TableId, name: &str) -> bool {
80		self.changes.relationship.iter().rev().any(|change| {
81			change.op == Delete
82				&& change
83					.pre
84					.as_ref()
85					.map(|r| {
86						r.namespace == namespace
87							&& r.source_table == source_table && r.name == name
88					})
89					.unwrap_or(false)
90		})
91	}
92}