uqa-storage-sqlite 0.3.6

SQLite catalog, indexes, compressed storage, graph and key/value providers
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
//
// Unified Query Algebra
//
// Copyright (c) 2023-2026 Cognica, Inc.
//

use super::*;

fn prepare_legacy_v21_postings(mc: &ManagedConnection, include_length: bool) {
    mc.with(|conn| {
        conn.execute_batch(
            "DROP TABLE _posting_clusters;
             DROP TABLE _posting_documents;
             CREATE TABLE _postings (
                 table_name TEXT NOT NULL,
                 field      TEXT NOT NULL,
                 term       TEXT NOT NULL,
                 doc_id     INTEGER NOT NULL,
                 positions  BLOB NOT NULL,
                 PRIMARY KEY (table_name, field, term, doc_id)
             );
             CREATE INDEX _postings_doc_idx
                 ON _postings (table_name, doc_id);
             DELETE FROM _doc_lengths;
             DELETE FROM _field_stats;
             UPDATE _metadata SET value = '21' WHERE key = 'schema_version';",
        )?;
        if include_length {
            conn.execute(
                "INSERT INTO _doc_lengths(table_name, doc_id, field, length)
                 VALUES ('articles', 1, 'title', 3), ('articles', 2, 'title', 2)",
                [],
            )?;
            conn.execute(
                "INSERT INTO _field_stats(table_name, field, total_length)
                 VALUES ('articles', 'title', 5)",
                [],
            )?;
        }
        conn.execute(
            "INSERT INTO _postings(table_name, field, term, doc_id, positions)
             VALUES
                ('articles', 'title', 'rust', 1, X'0000000002000000'),
                ('articles', 'title', 'rust', 2, X'01000000'),
                ('articles', 'title', 'search', 2, X'00000000')",
            [],
        )?;
        Ok(())
    })
    .unwrap();
}

#[test]
fn v22_migration_preserves_legacy_postings_in_clustered_rows() {
    let mc = ManagedConnection::open_in_memory().unwrap();
    let _current = Catalog::open(mc.clone()).unwrap();
    prepare_legacy_v21_postings(&mc, true);

    let _migrated = Catalog::open(mc.clone()).unwrap();
    mc.with(|conn| {
        let legacy_table_count: i64 = conn.query_row(
            "SELECT COUNT(*) FROM sqlite_master
             WHERE type = 'table' AND name = '_postings'",
            [],
            |row| row.get(0),
        )?;
        assert_eq!(legacy_table_count, 0);
        let (cluster_id, posting_count, score_blob, positions_blob): (i64, i64, Vec<u8>, Vec<u8>) =
            conn.query_row(
                "SELECT cluster_id, posting_count, score_blob, positions_blob
               FROM _posting_clusters
              WHERE table_name = 'articles' AND field = 'title' AND term = 'rust'",
                [],
                |row| Ok((row.get(0)?, row.get(1)?, row.get(2)?, row.get(3)?)),
            )?;
        assert_eq!(cluster_id, 0);
        assert_eq!(posting_count, 2);
        let postings = uqa_storage::clustered_postings::decode_cluster(
            u64::try_from(cluster_id).unwrap(),
            &score_blob,
            &positions_blob,
        )
        .unwrap();
        assert_eq!(
            postings
                .iter()
                .map(|posting| (
                    posting.doc_id,
                    posting.term_freq,
                    posting.doc_length,
                    posting.positions.clone()
                ))
                .collect::<Vec<_>>(),
            vec![(1, 2, 3, vec![0, 2]), (2, 1, 2, vec![1])]
        );
        let terms_blob: Vec<u8> = conn.query_row(
            "SELECT terms_blob FROM _posting_documents
              WHERE table_name = 'articles' AND doc_id = 2 AND field = 'title'",
            [],
            |row| row.get(0),
        )?;
        assert_eq!(
            uqa_storage::clustered_postings::decode_terms(&terms_blob).unwrap(),
            vec!["rust".to_string(), "search".to_string()]
        );
        let version: String = conn.query_row(
            "SELECT value FROM _metadata WHERE key = 'schema_version'",
            [],
            |row| row.get(0),
        )?;
        assert_eq!(version, CURRENT_SCHEMA_VERSION.to_string());
        Ok(())
    })
    .unwrap();
}

#[test]
fn v22_migration_is_idempotent_when_clustered_tables_precede_the_version_marker() {
    let mc = ManagedConnection::open_in_memory().unwrap();
    let _current = Catalog::open(mc.clone()).unwrap();
    let postings = vec![uqa_storage::clustered_postings::ClusterPosting {
        doc_id: 7,
        term_freq: 1,
        doc_length: 2,
        positions: vec![1],
    }];
    let (score_blob, positions_blob) =
        uqa_storage::clustered_postings::encode_cluster(&postings).unwrap();
    let terms_blob = uqa_storage::clustered_postings::encode_terms(&["rust".to_string()]).unwrap();
    mc.with(|conn| {
        conn.execute(
            "INSERT INTO _posting_clusters
                (table_name, field, term, cluster_id, posting_count,
                 score_blob, positions_blob)
             VALUES ('articles', 'title', 'rust', 0, 1, ?1, ?2)",
            params![score_blob, positions_blob],
        )?;
        conn.execute(
            "INSERT INTO _posting_documents(table_name, doc_id, field, terms_blob)
             VALUES ('articles', 7, 'title', ?1)",
            params![terms_blob],
        )?;
        conn.execute(
            "UPDATE _metadata SET value = '21' WHERE key = 'schema_version'",
            [],
        )?;
        Ok(())
    })
    .unwrap();

    let _migrated = Catalog::open(mc.clone()).unwrap();
    mc.with(|conn| {
        let stored: (i64, Vec<u8>) = conn.query_row(
            "SELECT posting_count, score_blob FROM _posting_clusters
              WHERE table_name = 'articles' AND field = 'title' AND term = 'rust'",
            [],
            |row| Ok((row.get(0)?, row.get(1)?)),
        )?;
        assert_eq!(stored.0, 1);
        assert_eq!(
            uqa_storage::clustered_postings::decode_all_scores(0, &stored.1)
                .unwrap()
                .into_iter()
                .map(|posting| (posting.doc_id, posting.term_freq, posting.doc_length))
                .collect::<Vec<_>>(),
            vec![(7, 1, 2)]
        );
        let version: String = conn.query_row(
            "SELECT value FROM _metadata WHERE key = 'schema_version'",
            [],
            |row| row.get(0),
        )?;
        assert_eq!(version, CURRENT_SCHEMA_VERSION.to_string());
        Ok(())
    })
    .unwrap();
}

#[test]
fn v22_migration_rolls_back_when_legacy_posting_has_no_length() {
    let mc = ManagedConnection::open_in_memory().unwrap();
    let _current = Catalog::open(mc.clone()).unwrap();
    prepare_legacy_v21_postings(&mc, false);

    let Err(error) = Catalog::open(mc.clone()) else {
        panic!("migration unexpectedly succeeded");
    };
    assert!(error.to_string().contains("missing document length"));
    mc.with(|conn| {
        let version: String = conn.query_row(
            "SELECT value FROM _metadata WHERE key = 'schema_version'",
            [],
            |row| row.get(0),
        )?;
        assert_eq!(version, "21");
        let legacy_rows: i64 =
            conn.query_row("SELECT COUNT(*) FROM _postings", [], |row| row.get(0))?;
        assert_eq!(legacy_rows, 3);
        let temporary_tables: i64 = conn.query_row(
            "SELECT COUNT(*) FROM sqlite_master
              WHERE type = 'table'
                AND name IN ('_posting_clusters_v22', '_posting_documents_v22')",
            [],
            |row| row.get(0),
        )?;
        assert_eq!(temporary_tables, 0);
        Ok(())
    })
    .unwrap();
}

fn legacy_v16_catalog(table_names: &[&str], sequence_names: &[&str]) -> ManagedConnection {
    let connection = ManagedConnection::open_in_memory().unwrap();
    connection
        .with(|conn| {
            conn.execute_batch(
                "CREATE TABLE _metadata (key TEXT PRIMARY KEY, value TEXT NOT NULL);
                 INSERT INTO _metadata(key, value) VALUES ('schema_version', '16');
                 CREATE TABLE _schemas (name TEXT PRIMARY KEY);
                 INSERT INTO _schemas(name) VALUES ('public');
                 CREATE TABLE _tables (
                     name TEXT PRIMARY KEY,
                     analyzer TEXT NOT NULL,
                     fts_fields TEXT NOT NULL,
                     vector_fields TEXT NOT NULL,
                     columns TEXT,
                     constraints TEXT NOT NULL DEFAULT ''
                 );
                 CREATE TABLE _sequences (
                     name TEXT PRIMARY KEY,
                     start INTEGER NOT NULL,
                     increment INTEGER NOT NULL,
                     current INTEGER NOT NULL
                 );
                 CREATE TABLE _foreign_tables (
                     name TEXT PRIMARY KEY,
                     server_name TEXT NOT NULL,
                     columns_json TEXT NOT NULL,
                     options TEXT NOT NULL
                 );
                 CREATE TABLE _documents (
                     table_name TEXT NOT NULL,
                     doc_id INTEGER NOT NULL,
                     body TEXT NOT NULL,
                     PRIMARY KEY(table_name, doc_id)
                 );",
            )?;
            for name in table_names {
                conn.execute(
                    "INSERT INTO _tables
                        (name, analyzer, fts_fields, vector_fields, columns, constraints)
                     VALUES (?1, '{}', '[]', '[]', '[]', '')",
                    params![name],
                )?;
            }
            for name in sequence_names {
                conn.execute(
                    "INSERT INTO _sequences(name, start, increment, current)
                     VALUES (?1, 1, 1, 0)",
                    params![name],
                )?;
            }
            Ok(())
        })
        .unwrap();
    connection
}

#[test]
fn relation_namespace_migration_is_atomic_and_moves_public_table_data() {
    let connection = legacy_v16_catalog(&["docs"], &["seq"]);
    connection
        .with(|conn| {
            conn.execute(
                "INSERT INTO _documents(table_name, doc_id, body)
                 VALUES ('docs', 1, '{}')",
                [],
            )?;
            conn.execute(
                "INSERT INTO _foreign_tables(name, server_name, columns_json, options)
                 VALUES ('app.remote', 'server', '[]', '{}')",
                [],
            )?;
            conn.execute(
                "INSERT INTO _metadata(key, value)
                 VALUES ('sql_views_json', '{\"report\":{\"plan\":1}}')",
                [],
            )?;
            Ok(())
        })
        .unwrap();

    let catalog = Catalog::open(connection.clone()).unwrap();
    assert_eq!(
        catalog.load_tables().unwrap()[0].relation,
        RelationIdentity::new("public", "docs")
    );
    assert_eq!(
        catalog.load_sequence_rows().unwrap()[0].relation,
        RelationIdentity::new("public", "seq")
    );
    assert_eq!(
        catalog.load_foreign_tables().unwrap()[0].relation,
        RelationIdentity::new("app", "remote")
    );
    assert_eq!(
        catalog.load_views().unwrap()[0].relation,
        RelationIdentity::new("public", "report")
    );
    assert_eq!(catalog.load_views().unwrap()[0].role_owner, "uqa");
    assert!(catalog.load_schemas().unwrap().contains(&"app".to_string()));
    connection
        .with(|conn| {
            let table_name: String = conn.query_row(
                "SELECT table_name FROM _documents WHERE doc_id = 1",
                [],
                |row| row.get(0),
            )?;
            assert_eq!(table_name, "public.docs");
            let version: String = conn.query_row(
                "SELECT value FROM _metadata WHERE key = 'schema_version'",
                [],
                |row| row.get(0),
            )?;
            assert_eq!(version, CURRENT_SCHEMA_VERSION.to_string());
            Ok(())
        })
        .unwrap();
}

#[test]
fn relation_namespace_migration_moves_btree_parent_and_entries_without_fk_cascade() {
    let connection = legacy_v16_catalog(&["docs"], &[]);
    connection
        .with(|conn| {
            conn.execute_batch(
                "CREATE TABLE _btree_indexes (
                     table_name TEXT NOT NULL,
                     field TEXT NOT NULL,
                     PRIMARY KEY (table_name, field)
                 );
                 CREATE TABLE _btree_index_entries (
                     table_name TEXT NOT NULL,
                     field TEXT NOT NULL,
                     doc_id INTEGER NOT NULL,
                     value_json TEXT NOT NULL,
                     PRIMARY KEY (table_name, field, doc_id),
                     FOREIGN KEY (table_name, field)
                         REFERENCES _btree_indexes (table_name, field)
                         ON UPDATE CASCADE ON DELETE CASCADE
                 );
                 INSERT INTO _btree_indexes(table_name, field)
                     VALUES ('docs', 'id');
                 INSERT INTO _documents(table_name, doc_id, body)
                     VALUES ('docs', 1, '{}');
                 INSERT INTO _btree_index_entries
                     (table_name, field, doc_id, value_json)
                     VALUES ('docs', 'id', 1, '{\"type\":\"Int\",\"value\":1}');",
            )?;
            // The migration must preserve the child even for a connection
            // that did not enable SQLite's optional FK enforcement.
            conn.pragma_update(None, "foreign_keys", "OFF")?;
            Ok(())
        })
        .unwrap();

    let _catalog = Catalog::open(connection.clone()).unwrap();
    connection
        .with(|conn| {
            conn.pragma_update(None, "foreign_keys", "ON")?;
            for table in ["_btree_indexes", "_btree_index_entries"] {
                let canonical: i64 = conn.query_row(
                    &format!("SELECT COUNT(*) FROM {table} WHERE table_name = 'public.docs'"),
                    [],
                    |row| row.get(0),
                )?;
                let legacy: i64 = conn.query_row(
                    &format!("SELECT COUNT(*) FROM {table} WHERE table_name = 'docs'"),
                    [],
                    |row| row.get(0),
                )?;
                assert_eq!(canonical, 1, "canonical rows in {table}");
                assert_eq!(legacy, 0, "legacy rows in {table}");
            }
            let violation = conn
                .query_row("PRAGMA foreign_key_check", [], |row| {
                    row.get::<_, String>(0)
                })
                .optional()?;
            assert!(violation.is_none(), "foreign-key violation: {violation:?}");
            Ok(())
        })
        .unwrap();
}

#[test]
fn table_and_column_rename_move_btree_children_without_fk_cascade() {
    let catalog = fresh();
    catalog
        .save_table(&TableSchema {
            relation: RelationIdentity::new("public", "docs"),
            role_owner: "uqa".into(),
            acl: None,
            column_acls: std::collections::BTreeMap::default(),
            object_id: [1; 16],
            storage_generation: [1; 16],
            analyzer_json: "{}".into(),
            fts_fields: Vec::new(),
            vector_fields: Vec::new(),
            columns_json: "[]".into(),
            constraints_json: String::new(),
        })
        .unwrap();
    catalog
        .conn
        .with(|conn| {
            conn.execute(
                "INSERT INTO _documents(table_name, doc_id, body)
                 VALUES ('public.docs', 1, '{}')",
                [],
            )?;
            conn.execute(
                "INSERT INTO _btree_indexes(table_name, field)
                 VALUES ('public.docs', 'id')",
                [],
            )?;
            conn.execute(
                "INSERT INTO _btree_index_entries
                     (table_name, field, doc_id, value_json)
                 VALUES ('public.docs', 'id', 1, '{\"type\":\"Int\",\"value\":1}')",
                [],
            )?;
            conn.pragma_update(None, "foreign_keys", "OFF")?;
            Ok(())
        })
        .unwrap();

    catalog
        .rename_table_data("public.docs", "public.archived")
        .unwrap();
    catalog
        .rename_column_data("public.archived", "id", "item_id")
        .unwrap();

    catalog
        .conn
        .with(|conn| {
            conn.pragma_update(None, "foreign_keys", "ON")?;
            for table in ["_btree_indexes", "_btree_index_entries"] {
                let moved: i64 = conn.query_row(
                    &format!(
                        "SELECT COUNT(*) FROM {table}
                         WHERE table_name = 'public.archived' AND field = 'item_id'"
                    ),
                    [],
                    |row| row.get(0),
                )?;
                assert_eq!(moved, 1, "renamed rows in {table}");
            }
            let violation = conn
                .query_row("PRAGMA foreign_key_check", [], |row| {
                    row.get::<_, String>(0)
                })
                .optional()?;
            assert!(violation.is_none(), "foreign-key violation: {violation:?}");
            Ok(())
        })
        .unwrap();
}

#[test]
fn relation_namespace_migration_rejects_alias_and_cross_kind_collisions() {
    for connection in [
        legacy_v16_catalog(&["docs", "public.docs"], &[]),
        legacy_v16_catalog(&["docs"], &["public.docs"]),
    ] {
        let error = Catalog::open(connection.clone()).err().unwrap();
        assert!(error.to_string().contains("migration collision"));
        assert!(error.to_string().contains("public.docs"));
        connection
            .with(|conn| {
                let version: String = conn.query_row(
                    "SELECT value FROM _metadata WHERE key = 'schema_version'",
                    [],
                    |row| row.get(0),
                )?;
                assert_eq!(version, "16");
                let relation_table_count: i64 = conn.query_row(
                    "SELECT COUNT(*) FROM sqlite_master
                     WHERE type = 'table' AND name = '_relations'",
                    [],
                    |row| row.get(0),
                )?;
                assert_eq!(relation_table_count, 0);
                Ok(())
            })
            .unwrap();
    }
}

#[test]
fn standalone_catalog_open_rolls_back_prior_steps_after_a_later_migration_fails() {
    let mc = ManagedConnection::open_in_memory().unwrap();
    Catalog::open(mc.clone()).unwrap();
    prepare_legacy_v21_postings(&mc, true);
    mc.with(|conn| {
        conn.execute_batch(
            "ALTER TABLE _analyzers DROP COLUMN descriptor_json;
            CREATE TRIGGER reject_late_migration BEFORE INSERT ON _metadata
            WHEN NEW.key = 'schema_version' AND NEW.value = '47'
            BEGIN SELECT RAISE(ABORT, 'forced later migration failure'); END;",
        )?;
        Ok(())
    })
    .unwrap();
    let Err(error) = Catalog::open(mc.clone()) else {
        panic!("later migration ignored a failing version publication");
    };
    assert!(
        error.to_string().contains("forced later migration failure"),
        "{error}"
    );
    mc.with(|conn| {
        let version: String = conn.query_row(
            "SELECT value FROM _metadata WHERE key = 'schema_version'",
            [],
            |row| row.get(0),
        )?;
        assert_eq!(version, "21");
        let positions: Vec<u8> = conn.query_row(
            "SELECT positions FROM _postings WHERE term = 'rust' AND doc_id = 1",
            [],
            |row| row.get(0),
        )?;
        assert_eq!(positions, [0, 0, 0, 0, 2, 0, 0, 0]);
        assert!(!table_exists(conn, "_posting_clusters")?);
        assert!(!Catalog::table_columns(conn, "_analyzers")?
            .unwrap()
            .contains_key("descriptor_json"));
        conn.execute("DROP TRIGGER reject_late_migration", [])?;
        Ok(())
    })
    .unwrap();
    Catalog::open(mc).unwrap();
}