GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/history_sql.cc
Date: 2025-07-27 02:42:09
Exec Total Coverage
Lines: 163 179 91.1%
Branches: 489 1012 48.3%
Line Branch Exec Source
1 /**
2 * This file is part of the CernVM File System.
3 */
4
5 #include "history_sql.h"
6
7 #include <cassert>
8
9 #include "util/string.h"
10
11 namespace history {
12
13 const float HistoryDatabase::kLatestSchema = 1.0;
14 const float HistoryDatabase::kLatestSupportedSchema = 1.0;
15 const unsigned HistoryDatabase::kLatestSchemaRevision = 3;
16
17 /**
18 * Database Schema ChangeLog:
19 *
20 * Schema Version 1.0
21 * -> Revision 3: deprecate (flush) table 'recycle_bin'
22 * add table 'branches'
23 * add column 'branch' to table tags
24 * -> Revision 2: add table 'recycle_bin'
25 * -> Revision 1: add field 'size'
26 *
27 */
28
29 const std::string HistoryDatabase::kFqrnKey = "fqrn";
30
31
32 /**
33 * This method creates a new database file and initializes the database schema.
34 */
35 1824 bool HistoryDatabase::CreateEmptyDatabase() {
36
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 1824 assert(read_write());
37
38
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 3648 sqlite::Sql sql_foreign_keys(sqlite_db(), "PRAGMA foreign_keys = ON;");
39
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 1824 if (!sql_foreign_keys.Execute())
40 ✗ return false;
41
42
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 1824 return CreateBranchesTable() && CreateTagsTable() && CreateRecycleBinTable();
43 1824 }
44
45
46 1824 bool HistoryDatabase::CreateTagsTable() {
47
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 1824 assert(read_write());
48
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 3648 return sqlite::Sql(
49 sqlite_db(),
50 "CREATE TABLE tags (name TEXT, hash TEXT, revision INTEGER, "
51 " timestamp INTEGER, channel INTEGER, description TEXT, size "
52 "INTEGER, "
53 " branch TEXT, CONSTRAINT pk_tags PRIMARY KEY (name), "
54 " FOREIGN KEY (branch) REFERENCES branches (branch));")
55
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 3648 .Execute();
56 }
57
58
59 1916 bool HistoryDatabase::CreateRecycleBinTable() {
60
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 1916 assert(read_write());
61
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 3832 return sqlite::Sql(sqlite_db(),
62 "CREATE TABLE recycle_bin (hash TEXT, flags INTEGER, "
63 " CONSTRAINT pk_hash PRIMARY KEY (hash))")
64
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 3832 .Execute();
65 }
66
67
68 1962 bool HistoryDatabase::CreateBranchesTable() {
69
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 1962 assert(read_write());
70
71 sqlite::Sql sql_create(sqlite_db(),
72 "CREATE TABLE branches (branch TEXT, parent TEXT, "
73 "initial_revision INTEGER,"
74 " CONSTRAINT pk_branch PRIMARY KEY (branch), "
75 " FOREIGN KEY (parent) REFERENCES branches (branch), "
76 " CHECK ((branch <> '') OR (parent IS NULL)), "
77
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 3924 " CHECK ((branch = '') OR (parent IS NOT NULL)));");
78
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 1962 bool retval = sql_create.Execute();
79
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 1962 if (!retval)
80 ✗ return false;
81
82 sqlite::Sql sql_init(
83 sqlite_db(),
84 "INSERT INTO branches (branch, parent, initial_revision) "
85
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 3924 "VALUES ('', NULL, 0);");
86
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 1962 retval = sql_init.Execute();
87 1962 return retval;
88 1962 }
89
90
91 1824 bool HistoryDatabase::InsertInitialValues(const std::string &repository_name) {
92
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 1824 assert(read_write());
93
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 1824 return this->SetProperty(kFqrnKey, repository_name);
94 }
95
96
97 3244 bool HistoryDatabase::ContainsRecycleBin() const {
98
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 3244 return schema_version() >= 1.0 - kSchemaEpsilon && schema_revision() >= 2;
99 }
100
101
102 822 bool HistoryDatabase::CheckSchemaCompatibility() {
103
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 1644 return !((schema_version() < kLatestSupportedSchema - kSchemaEpsilon)
104
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 1644 || (schema_version() > kLatestSchema + kSchemaEpsilon));
105 }
106
107
108 368 bool HistoryDatabase::LiveSchemaUpgradeIfNecessary() {
109
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 368 assert(read_write());
110
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 368 assert(IsEqualSchema(schema_version(), 1.0));
111
112
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 736 sqlite::Sql sql_foreign_keys(sqlite_db(), "PRAGMA foreign_keys = ON;");
113
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 368 if (!sql_foreign_keys.Execute())
114 ✗ return false;
115
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 368 if (schema_revision() == kLatestSchemaRevision) {
116 230 return true;
117 }
118
119
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 276 LogCvmfs(kLogHistory, kLogDebug,
120 "upgrading history schema revision "
121 "%.2f (Rev: %d) to %.2f (Rev: %d)",
122 138 schema_version(), schema_revision(), kLatestSchema,
123 kLatestSchemaRevision);
124
125
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 138 const bool success = UpgradeSchemaRevision_10_1()
126
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 138 && UpgradeSchemaRevision_10_2()
127
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 276 && UpgradeSchemaRevision_10_3();
128
129
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 138 return success && StoreSchemaRevision();
130 368 }
131
132
133 138 bool HistoryDatabase::UpgradeSchemaRevision_10_1() {
134
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 138 if (schema_revision() > 0) {
135 92 return true;
136 }
137
138
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 92 sqlite::Sql sql_upgrade(sqlite_db(), "ALTER TABLE tags ADD size INTEGER;");
139
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 46 if (!sql_upgrade.Execute()) {
140 ✗ LogCvmfs(kLogHistory, kLogStderr, "failed to upgrade tags table");
141 ✗ return false;
142 }
143
144 46 set_schema_revision(1);
145 46 return true;
146 46 }
147
148
149 138 bool HistoryDatabase::UpgradeSchemaRevision_10_2() {
150
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 138 if (schema_revision() > 1) {
151 46 return true;
152 }
153
154
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 92 if (!CreateRecycleBinTable()) {
155 ✗ LogCvmfs(kLogHistory, kLogStderr, "failed to upgrade history database");
156 ✗ return false;
157 }
158
159 92 set_schema_revision(2);
160 92 return true;
161 }
162
163
164 138 bool HistoryDatabase::UpgradeSchemaRevision_10_3() {
165
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 138 if (schema_revision() > 2) {
166 ✗ return true;
167 }
168
169
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 138 if (!CreateBranchesTable()) {
170 ✗ LogCvmfs(kLogHistory, kLogStderr, "failed to create branches table");
171 ✗ return false;
172 }
173
174 sqlite::Sql sql_upgrade(
175 sqlite_db(),
176
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 276 "ALTER TABLE tags ADD branch TEXT REFERENCES branches (branch);");
177
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 138 if (!sql_upgrade.Execute()) {
178 ✗ LogCvmfs(kLogHistory, kLogStderr, "failed to upgrade tags table");
179 ✗ return false;
180 }
181
182
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 276 sqlite::Sql sql_fill(sqlite_db(), "UPDATE tags SET branch = '';");
183
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 138 if (!sql_fill.Execute()) {
184 ✗ LogCvmfs(kLogHistory, kLogStderr, "failed to set branch default value");
185 ✗ return false;
186 }
187
188 // We keep the table in the schema for backwards compatibility
189
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 276 sqlite::Sql sql_flush(sqlite_db(), "DELETE FROM recycle_bin; VACUUM;");
190
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 138 if (!sql_flush.Execute()) {
191 ✗ LogCvmfs(kLogHistory, kLogStderr, "failed to flush recycle bin table");
192 ✗ return false;
193 }
194
195 138 set_schema_revision(3);
196 138 return true;
197 138 }
198
199
200 //------------------------------------------------------------------------------
201
202 #define DB_FIELDS_V1R0 \
203 "name, hash, revision, timestamp, channel, " \
204 "description, 0, ''"
205 #define DB_FIELDS_V1R1 \
206 "name, hash, revision, timestamp, channel, " \
207 "description, size, ''"
208 #define DB_FIELDS_V1R3 \
209 "name, hash, revision, timestamp, channel, " \
210 "description, size, branch"
211 #define DB_PLACEHOLDERS \
212 ":name, :hash, :revision, :timestamp, :channel, " \
213 ":description, :size, :branch"
214 #define ROLLBACK_COND \
215 "(revision > :target_rev OR " \
216 " name = :target_name) " \
217 "AND branch = ''"
218
219 #define MAKE_STATEMENT(STMT_TMPL, REV) \
220 static const std::string REV = ReplaceAll( \
221 ReplaceAll(ReplaceAll(STMT_TMPL, "@DB_FIELDS@", DB_FIELDS_##REV), \
222 "@DB_PLACEHOLDERS@", DB_PLACEHOLDERS), \
223 "@ROLLBACK_COND@", ROLLBACK_COND)
224
225 #define MAKE_STATEMENTS(STMT_TMPL) \
226 MAKE_STATEMENT(STMT_TMPL, V1R0); \
227 MAKE_STATEMENT(STMT_TMPL, V1R1); \
228 MAKE_STATEMENT(STMT_TMPL, V1R3)
229
230 #define DEFERRED_INIT(DB, REV) DeferredInit((DB)->sqlite_db(), (REV).c_str())
231
232 #define DEFERRED_INITS(DB) \
233 if ((DB)->IsEqualSchema((DB)->schema_version(), 1.0f) \
234 && (DB)->schema_revision() == 0) { \
235 DEFERRED_INIT((DB), V1R0); \
236 } else if ((DB)->schema_revision() < 3) { \
237 DEFERRED_INIT((DB), V1R1); \
238 } else { \
239 DEFERRED_INIT((DB), V1R3); \
240 }
241
242 2192 SqlInsertTag::SqlInsertTag(const HistoryDatabase *database) {
243
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 2192 MAKE_STATEMENTS("INSERT INTO tags (@DB_FIELDS@) VALUES (@DB_PLACEHOLDERS@);");
244
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 2192 DEFERRED_INITS(database);
245 2192 }
246
247
248 194866 bool SqlInsertTag::BindTag(const History::Tag &tag) {
249
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 389732 return BindText(1, tag.name) && BindTextTransient(2, tag.root_hash.ToString())
250
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 194866 && // temporary (ToString)
251
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 194866 BindInt64(3, tag.revision) && BindInt64(4, tag.timestamp) &&
252 // Channels are no longer supported: store 0 (i.e. kChannelTrunk)
253 // for backwards compatibility with existing databases
254 //
255
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 194866 BindInt64(5, 0) && BindText(6, tag.description)
256
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 584598 && BindInt64(7, tag.size) && BindText(8, tag.branch);
257 }
258
259
260 //------------------------------------------------------------------------------
261
262
263 2192 SqlRemoveTag::SqlRemoveTag(const HistoryDatabase *database) {
264
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 2192 DeferredInit(database->sqlite_db(), "DELETE FROM tags WHERE name = :name;");
265 2192 }
266
267 552 bool SqlRemoveTag::BindName(const std::string &name) {
268 552 return BindText(1, name);
269 }
270
271
272 //------------------------------------------------------------------------------
273
274
275 2646 SqlFindTag::SqlFindTag(const HistoryDatabase *database) {
276
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 2646 MAKE_STATEMENTS("SELECT @DB_FIELDS@ FROM tags WHERE name = :name;");
277
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 2646 DEFERRED_INITS(database);
278 2646 }
279
280 2674 bool SqlFindTag::BindName(const std::string &name) { return BindText(1, name); }
281
282
283 //------------------------------------------------------------------------------
284
285
286 2646 SqlFindTagByDate::SqlFindTagByDate(const HistoryDatabase *database) {
287 // figure out the tag that was HEAD to a given point in time
288 //
289 // conceptually goes back in the revision history | ORDER BY revision DESC
290 // and picks the first tag | LIMIT 1
291 // that is older than the given timestamp | WHICH timestamp <= :ts
292
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 2646 MAKE_STATEMENTS("SELECT @DB_FIELDS@ FROM tags "
293 "WHERE (branch = '') AND (timestamp <= :timestamp) "
294 "ORDER BY revision DESC LIMIT 1;");
295
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 2646 DEFERRED_INITS(database);
296 2646 }
297
298 190 bool SqlFindTagByDate::BindTimestamp(const time_t timestamp) {
299 190 return BindInt64(1, timestamp);
300 }
301
302
303 //------------------------------------------------------------------------------
304
305
306 2192 SqlFindBranchHead::SqlFindBranchHead(const HistoryDatabase *database) {
307 // One of the tags with the highest revision on a given branch
308 // Doesn't work on older database revisions
309
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 2192 MAKE_STATEMENTS("SELECT @DB_FIELDS@ FROM tags "
310 "WHERE (branch = :branch) "
311 "ORDER BY revision DESC LIMIT 1;");
312
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 2192 DEFERRED_INITS(database);
313 2192 }
314
315 138 bool SqlFindBranchHead::BindBranchName(const std::string &branch_name) {
316 138 return BindText(1, branch_name);
317 }
318
319
320 //------------------------------------------------------------------------------
321
322
323 2646 SqlCountTags::SqlCountTags(const HistoryDatabase *database) {
324
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 2646 DeferredInit(database->sqlite_db(), "SELECT count(*) FROM tags;");
325 2646 }
326
327 1334 unsigned SqlCountTags::RetrieveCount() const {
328 1334 const int64_t count = RetrieveInt64(0);
329
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 1334 assert(count >= 0);
330 1334 return static_cast<uint64_t>(count);
331 }
332
333
334 //------------------------------------------------------------------------------
335
336
337 2646 SqlListTags::SqlListTags(const HistoryDatabase *database) {
338
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 2646 MAKE_STATEMENTS(
339 "SELECT @DB_FIELDS@ FROM tags ORDER BY timestamp DESC, revision DESC;");
340
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 2646 DEFERRED_INITS(database);
341 2646 }
342
343
344 //------------------------------------------------------------------------------
345
346
347 2646 SqlGetHashes::SqlGetHashes(const HistoryDatabase *database) {
348
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 2646 DeferredInit(database->sqlite_db(), "SELECT DISTINCT hash FROM tags "
349 "ORDER BY timestamp, revision ASC");
350 2646 }
351
352 92046 shash::Any SqlGetHashes::RetrieveHash() const {
353
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 184092 return shash::MkFromHexPtr(shash::HexPtr(RetrieveString(0)),
354 184092 shash::kSuffixCatalog);
355 }
356
357
358 //------------------------------------------------------------------------------
359
360
361 2192 SqlRollbackTag::SqlRollbackTag(const HistoryDatabase *database) {
362
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 2192 MAKE_STATEMENTS("DELETE FROM tags WHERE @ROLLBACK_COND@;");
363
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 2192 DEFERRED_INITS(database);
364 2192 }
365
366
367 //------------------------------------------------------------------------------
368
369
370 2646 SqlListRollbackTags::SqlListRollbackTags(const HistoryDatabase *database) {
371
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 2646 MAKE_STATEMENTS("SELECT @DB_FIELDS@ FROM tags "
372 "WHERE @ROLLBACK_COND@ "
373 "ORDER BY revision DESC;");
374
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 2646 DEFERRED_INITS(database);
375 2646 }
376
377
378 //------------------------------------------------------------------------------
379
380
381 2646 SqlListBranches::SqlListBranches(const HistoryDatabase *database) {
382
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 2646 if (database->schema_revision() < 3)
383
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 138 DeferredInit(database->sqlite_db(), "SELECT '', NULL, 0;");
384 else
385
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 2508 DeferredInit(database->sqlite_db(),
386 "SELECT branch, parent, initial_revision FROM branches;");
387 2646 }
388
389
390 1242 History::Branch SqlListBranches::RetrieveBranch() const {
391
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 1242 const std::string branch = RetrieveString(0);
392
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 1242 const std::string parent = (RetrieveType(1) == SQLITE_NULL)
393 ? ""
394
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 1242 : RetrieveString(1);
395
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 1242 const unsigned initial_revision = RetrieveInt64(2);
396
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 2484 return History::Branch(branch, parent, initial_revision);
397 1242 }
398
399
400 //------------------------------------------------------------------------------
401
402
403 2192 SqlInsertBranch::SqlInsertBranch(const HistoryDatabase *database) {
404
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 2192 DeferredInit(database->sqlite_db(),
405 "INSERT INTO branches (branch, parent, initial_revision) "
406 "VALUES (:branch, :parent, :initial_revision);");
407 2192 }
408
409
410 828 bool SqlInsertBranch::BindBranch(const History::Branch &branch) {
411
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 1610 return BindText(1, branch.branch) && BindText(2, branch.parent)
412
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 1610 && BindInt64(3, branch.initial_revision);
413 }
414
415
416 //------------------------------------------------------------------------------
417
418
419 4746 bool SqlRecycleBin::CheckSchema(const HistoryDatabase *database) const {
420 4746 return (database->IsEqualSchema(database->schema_version(), 1.0))
421
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 4746 && (database->schema_revision() >= 2);
422 }
423
424
425 //------------------------------------------------------------------------------
426
427
428 2554 SqlRecycleBinList::SqlRecycleBinList(const HistoryDatabase *database) {
429
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 2554 assert(CheckSchema(database));
430
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 2554 DeferredInit(database->sqlite_db(), "SELECT hash, flags FROM recycle_bin;");
431 2554 }
432
433
434 46 shash::Any SqlRecycleBinList::RetrieveHash() {
435 46 const unsigned int flags = RetrieveInt64(1);
436 46 shash::Suffix suffix = shash::kSuffixNone;
437
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 46 if (flags & SqlRecycleBin::kFlagCatalog) {
438 46 suffix = shash::kSuffixCatalog;
439 }
440
441
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 46 return shash::MkFromHexPtr(shash::HexPtr(RetrieveString(0)), suffix);
442 }
443
444
445 //------------------------------------------------------------------------------
446
447
448 2192 SqlRecycleBinFlush::SqlRecycleBinFlush(const HistoryDatabase *database) {
449
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 2192 assert(CheckSchema(database));
450
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 2192 DeferredInit(database->sqlite_db(), "DELETE FROM recycle_bin;");
451 2192 }
452
453
454 }; /* namespace history */
455