reifydb_transaction/transaction/catalog/
view.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::interface::catalog::{
5	change::CatalogTrackViewChangeOperations,
6	id::{NamespaceId, ViewId},
7	view::View,
8};
9use reifydb_type::Result;
10
11use crate::{
12	change::{
13		Change,
14		OperationType::{Create, Delete, Update},
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_updated(&mut self, pre: View, post: View) -> Result<()> {
32		let change = Change {
33			pre: Some(pre),
34			post: Some(post),
35			op: Update,
36		};
37		self.changes.add_view_change(change);
38		Ok(())
39	}
40
41	fn track_view_deleted(&mut self, view: View) -> Result<()> {
42		let change = Change {
43			pre: Some(view),
44			post: None,
45			op: Delete,
46		};
47		self.changes.add_view_change(change);
48		Ok(())
49	}
50}
51
52impl TransactionalViewChanges for AdminTransaction {
53	fn find_view(&self, id: ViewId) -> Option<&View> {
54		for change in self.changes.view.iter().rev() {
55			if let Some(view) = &change.post {
56				if view.id() == id {
57					return Some(view);
58				}
59			} else if let Some(view) = &change.pre
60				&& view.id() == id && change.op == Delete
61			{
62				return None;
63			}
64		}
65		None
66	}
67
68	fn find_view_by_name(&self, namespace: NamespaceId, name: &str) -> Option<&View> {
69		self.changes.view.iter().rev().find_map(|change| {
70			change.post.as_ref().filter(|v| v.namespace() == namespace && v.name() == name)
71		})
72	}
73
74	fn is_view_deleted(&self, id: ViewId) -> bool {
75		self.changes
76			.view
77			.iter()
78			.rev()
79			.any(|change| change.op == Delete && change.pre.as_ref().map(|v| v.id()) == Some(id))
80	}
81
82	fn is_view_deleted_by_name(&self, namespace: NamespaceId, name: &str) -> bool {
83		self.changes.view.iter().rev().any(|change| {
84			change.op == Delete
85				&& change
86					.pre
87					.as_ref()
88					.map(|v| v.namespace() == namespace && v.name() == name)
89					.unwrap_or(false)
90		})
91	}
92}
reifydb_transaction/transaction/catalog/view.rs

reifydb_transaction/transaction/catalog/
view.rs
