mz_catalog_protos/
lib.rs

1// Copyright Materialize, Inc. and contributors. All rights reserved.
2//
3// Use of this software is governed by the Business Source License
4// included in the LICENSE file.
5//
6// As of the Change Date specified in that file, in accordance with
7// the Business Source License, use of this software will be governed
8// by the Apache License, Version 2.0.
9
10//! All types we durably persist in the Catalog.
11
12pub mod audit_log;
13pub mod objects;
14pub mod objects_v74;
15pub mod objects_v75;
16pub mod objects_v76;
17pub mod objects_v77;
18pub mod objects_v78;
19pub mod objects_v79;
20pub mod objects_v80;
21pub mod objects_v81;
22pub mod objects_v82;
23pub mod objects_v83;
24pub mod objects_v84;
25pub mod objects_v85;
26pub mod objects_v86;
27pub mod objects_v87;
28pub mod serialization;
29
30/// The current version of the `Catalog`.
31///
32/// We will initialize new `Catalog`s with this version, and migrate existing `Catalog`s to this
33/// version. Whenever the `Catalog` changes, e.g. the types we serialize in the `Catalog`
34/// change, we need to bump this version.
35pub const CATALOG_VERSION: u64 = 87;
36
37/// The minimum `Catalog` version number that we support migrating from.
38///
39/// After bumping this we can delete the old migrations.
40pub const MIN_CATALOG_VERSION: u64 = 74;
41
42#[cfg(test)]
43mod tests {
44    use std::collections::BTreeSet;
45    use std::fs;
46    use std::path::PathBuf;
47
48    use crate::{CATALOG_VERSION, MIN_CATALOG_VERSION};
49
50    #[mz_ore::test]
51    fn test_assert_snapshots_exist() {
52        let src_dir: PathBuf = [env!("CARGO_MANIFEST_DIR"), "src"].iter().collect();
53
54        // Get all the versioned object definition files.
55        let mut filenames: BTreeSet<_> = fs::read_dir(src_dir)
56            .expect("failed to read src dir")
57            .map(|entry| entry.expect("failed to read dir entry").file_name())
58            .map(|filename| filename.to_str().expect("utf8").to_string())
59            .filter(|filename| filename.starts_with("objects_v"))
60            .collect();
61
62        // Assert snapshots exist for all of the versions we support.
63        for version in MIN_CATALOG_VERSION..=CATALOG_VERSION {
64            let filename = format!("objects_v{version}.rs");
65            assert!(
66                filenames.remove(&filename),
67                "Missing snapshot for v{version}."
68            );
69        }
70
71        // Common case. Check to make sure the user bumped the CATALOG_VERSION.
72        if !filenames.is_empty()
73            && filenames.remove(&format!("objects_v{}.proto", CATALOG_VERSION + 1))
74        {
75            panic!(
76                "Found snapshot for v{}, please also bump `CATALOG_VERSION`.",
77                CATALOG_VERSION + 1
78            )
79        }
80
81        // Assert there aren't any extra snapshots.
82        assert!(
83            filenames.is_empty(),
84            "Found snapshots for unsupported catalog versions {filenames:?}.\n\
85             If you just increased `MIN_CATALOG_VERSION`, then please delete the old snapshots. \
86             If you created a new snapshot, please bump `CATALOG_VERSION`."
87        );
88    }
89
90    #[mz_ore::test]
91    fn test_assert_current_snapshot() {
92        let src_dir: PathBuf = [env!("CARGO_MANIFEST_DIR"), "src"].iter().collect();
93        let current_rs = src_dir.join("objects.rs");
94        let snapshot_rs = src_dir.join(format!("objects_v{CATALOG_VERSION}.rs"));
95
96        let current = fs::read_to_string(current_rs).expect("read current");
97        let snapshot = fs::read_to_string(snapshot_rs).expect("read snapshot");
98
99        // Note: objects.rs and objects_v<CATALOG_VERSION>.rs should be exactly the same. The
100        // reason being, when bumping the catalog to the next version, CATALOG_VERSION + 1, we need a
101        // snapshot to migrate _from_, which should be a snapshot of how the types are today.
102        // Hence why the two files should be exactly the same.
103        similar_asserts::assert_eq!(current, snapshot);
104    }
105}
mz_catalog_protos/lib.rs

mz_catalog_protos/
lib.rs
