reifydb_transaction/transaction/catalog/
view.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use reifydb_core::interface::catalog::{
5	change::CatalogTrackViewChangeOperations,
6	id::{NamespaceId, ViewId},
7	view::View,
8};
9use reifydb_value::Result;
10
11use crate::{
12	change::{
13		Change,
14		OperationType::{Create, Delete},
15		TransactionalViewChanges,
16	},
17	transaction::admin::AdminTransaction,
18};
19
20impl CatalogTrackViewChangeOperations for AdminTransaction {
21	fn track_view_created(&mut self, view: View) -> Result<()> {
22		let change = Change {
23			pre: None,
24			post: Some(view),
25			op: Create,
26		};
27		self.changes.add_view_change(change);
28		Ok(())
29	}
30
31	fn track_view_deleted(&mut self, view: View) -> Result<()> {
32		let change = Change {
33			pre: Some(view),
34			post: None,
35			op: Delete,
36		};
37		self.changes.add_view_change(change);
38		Ok(())
39	}
40}
41
42impl TransactionalViewChanges for AdminTransaction {
43	fn find_view(&self, id: ViewId) -> Option<&View> {
44		for change in self.changes.view.iter().rev() {
45			if let Some(view) = &change.post {
46				if view.id() == id {
47					return Some(view);
48				}
49			} else if let Some(view) = &change.pre
50				&& view.id() == id && change.op == Delete
51			{
52				return None;
53			}
54		}
55		None
56	}
57
58	fn find_view_by_name(&self, namespace: NamespaceId, name: &str) -> Option<&View> {
59		self.changes.view.iter().rev().find_map(|change| {
60			change.post.as_ref().filter(|v| v.namespace() == namespace && v.name() == name)
61		})
62	}
63
64	fn is_view_deleted(&self, id: ViewId) -> bool {
65		self.changes
66			.view
67			.iter()
68			.rev()
69			.any(|change| change.op == Delete && change.pre.as_ref().map(|v| v.id()) == Some(id))
70	}
71
72	fn is_view_deleted_by_name(&self, namespace: NamespaceId, name: &str) -> bool {
73		self.changes.view.iter().rev().any(|change| {
74			change.op == Delete
75				&& change
76					.pre
77					.as_ref()
78					.map(|v| v.namespace() == namespace && v.name() == name)
79					.unwrap_or(false)
80		})
81	}
82}
reifydb_transaction/transaction/catalog/view.rs

reifydb_transaction/transaction/catalog/
view.rs
