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50 check-ins occurring around 40362d5181c8cd01.

2019-05-20
19:46
Fix a segfault that could occur in sqlite3session_diff() if NULL were passed as the pzErrMsg argument. (check-in: aee73fd28f user: dan tags: trunk)
18:43
Improvements to the automatic compile-time selection of byte-order, as suggested on the mailing list by Seb Kemper. (check-in: b7aad92961 user: drh tags: trunk)
18:35
A minor variation on check-in [1685610ef8e0dc] which (hopefully) makes the logic a little easier to follow. Also disallows the use of the double-quoted string hack in the query expression used for VACUUM INTO, which is not strictly required, but moves us toward the goal of disallowing the double-quoted string hack everywhere. (check-in: 3e1b55f3ab user: drh tags: trunk)
17:14
Disallow string constants enclosed in double-quotes within new CREATE TABLE and CREATE INDEX statements. It is still possible to enclose column names in double-quotes, and existing database schemas that use double-quotes for strings can still be loaded. This addresses ticket [9b78184b]. (check-in: 1685610ef8 user: dan tags: trunk)
10:36
Update the sqlite3ExprCompare() routine so that it does not think "? IS NOT TRUE" is the same as "? IS TRUE". Fix for [d3e7f2ba5b3]. (check-in: 99eba69b3a user: dan tags: trunk)
2019-05-18
21:22
Fix an assert() failure that could occur in a join query if the RHS of an IN() operator is a list containing correlated expressions. This problem was introduced by checkin [e130319317e7611938] which was part of the fix for ticket [787fa716be3a7f650c] - so this commit is part of that ticket's fix too. (check-in: 778b1224a3 user: dan tags: trunk)
19:49
Avoid including the comment in the output of "PRAGMA table_info" in situations where there is a comment following a DEFAULT value within a CREATE TABLE statement. (check-in: d91095ba71 user: dan tags: trunk)
2019-05-17
20:37
Disable PRAGMA journal_mode=OFF when SQLITE_DBCONFIG_DEFENSIVE is turned on. Ticket [f4ec250930342e0c]. (check-in: a0f5eb5c79 user: drh tags: trunk)
15:59
Always store a REAL value in a column with REAL affinity if the integer equivalent would require 8 bytes of storage. Fix for [3c27b97e3]. (check-in: 14c00b1016 user: dan tags: trunk)
2019-05-16
20:40
Add test cases to test/fuzzdata7.db for (harmless) dbfuzz2 finds. (check-in: 1eb2a628e4 user: drh tags: trunk)
20:36
Initialize the 18-byte overrun area on the buffer used to reconstruct overflow btree cells during a btree search, to avoid a harmless jump-depends-on-uninit-values warning. (check-in: 4b05caeb1b user: drh tags: trunk)
20:13
Fix an assert() in the OP_Delete opcode that could fail with a corrupt database. (check-in: 915388ab39 user: dan tags: trunk)
16:44
Add new test file fts5corrupt4.test. (check-in: 5dfc4fe98a user: dan tags: trunk)
11:47
Fix a harmless use-of-initialized-value fault in the assert() logic added by check-in [d612fb7873cf59d] (check-in: 3dac90728a user: drh tags: trunk)
03:47
Fix harmless compiler warning in the session extension. (check-in: dff823ca8b user: mistachkin tags: trunk)
01:22
Make sure the OP_Concat opcode always correctly zero-terminates a UTF16 string, even if the input strings are ill-formed. This is a followup to check-in [3a16ddf91f0c9c516a7] that fixes a case the previous check-in missed. Also add assert()s to prove correct zero termination. (check-in: d612fb7873 user: drh tags: trunk)
2019-05-15
18:42
Fix the count-of-view optimization so that it is (correctly) disabled for a query that includes a WHERE clause or a GROUP BY clause. (check-in: 05897ca48a user: drh tags: trunk)
10:16
Simplify the "Verifying Code Authenticity" section of the README.md file. No code changes. (check-in: adebffc18e user: drh tags: trunk)
2019-05-14
22:25
Merge all the latest trunk enhancements into the reuse-schema branch. (check-in: 018f3199b9 user: drh tags: reuse-schema)
22:07
Merge the latest trunk and wal2 enhancements. (check-in: 3deaa6e23b user: drh tags: begin-concurrent-pnu-wal2)
22:02
Merge the latest trunk enhancements into the wal2 branch. (check-in: 23ec34e4f6 user: drh tags: wal2)
21:51
Merge the latest trunk enhancements into begin-concurrent-pnu. (check-in: e70878b363 user: drh tags: begin-concurrent-pnu)
21:51
Merge the latest trunk enhancements into begin-concurrent. (check-in: 5d3a6e18d4 user: drh tags: begin-concurrent)
20:25
Fix a problem with the fix for [9cf6c9bb51] (commit [658b84d7]) that could cause a cursor to be left in an invalid state following a (rowid < text-value) search. (check-in: bc7d2c1656 user: dan tags: trunk)
19:39
Merge recent enhancements from trunk into apple-osx. (check-in: 40362d5181 user: drh tags: apple-osx)
19:20
New test cases in test/fuzzdata8.db. (check-in: 228e1087c0 user: drh tags: trunk)
18:33
Fix a problem with corrupt db handling in the fts5_vocab module. (check-in: 456ced5777 user: dan tags: trunk)
11:33
Fix an assert() and potential buffer overrun in fts5 that could occur if the database was corrupt. (check-in: 8be8bd0d56 user: dan tags: trunk)
00:43
Disable index seek optimizations on REINDEX when the order of primary keys in the index differs from the main table. Fix for ticket [bba7b69f9849b5bf11b4]. (check-in: f7aadfab3b user: drh tags: trunk)
2019-05-13
11:52
Fix an assert() failure in fts5 that could occur when processing a corrupt database. (check-in: f158c048be user: dan tags: trunk)
2019-05-11
19:36
A new implementation for the sqlite3ExprImpliesExpr() theorem prover that does a better job of answering TRUE to "(NOT A) OR B" when B is a NOT NULL expression. (check-in: b3413197f5 user: drh tags: trunk)
16:14
When considering partial indexes, do not assume that a "CASE x ..." expression implies "x IS NOT NULL". (check-in: 1b24303220 user: dan tags: trunk)
13:04
Do not assume that "x IS NOT ?" implies "x NOT NULL" when considering partial indexes. Fix for ticket [8025674847]. (check-in: 0ba6d709b5 user: dan tags: trunk)
2019-05-10
20:44
Add tests for the RBU module. (check-in: a194e53670 user: dan tags: trunk)
17:54
Fix harmless compiler warnings. (check-in: 956ca2a452 user: drh tags: trunk)
17:50
Fix harmless compiler warnings in the CLI. (check-in: 2846bc0429 user: drh tags: trunk)
16:16
Fix some harmless compiler warnings. (Closed-Leaf check-in: ca068d8238 user: mistachkin tags: warnings)
14:34
Ensure that the BtShared.nPage value is reset correctly on a SAVEPOINT ROLLBACK. (check-in: e6d5fee8cd user: drh tags: trunk)
14:26
Treat integer values in window definition ORDER BY clauses as constants, not as references to another expression. (check-in: 7e4809eadf user: dan tags: trunk)
14:03
Improved comments and extra assert() statements on the OP_Savepoint opcode, just to make the code a little easier to read and reason about. (check-in: e80b2d9fcb user: drh tags: trunk)
12:14
Fix the previous check-in [db9acef14d492121] so that the amalgamation build works for systems for which lack HAVE_ISNAN. (check-in: 3cc55e09e6 user: drh tags: trunk)
12:06
Fix the round() SQL function so that it handles infinities correctly. (check-in: db9acef14d user: drh tags: trunk)
2019-05-09
18:37
Fix another small buffer overread in sqlite_dbdata triggered by a corrupt database page. (check-in: 1dfc95b867 user: dan tags: trunk)
18:33
Fix a problem in the ".recover" command allowing a circular loop of b-tree pages in a database file to cause an infinite loop. (check-in: 8d2a062eb8 user: dan tags: trunk)
18:13
Make the ".schema" command in the CLI resistant to corrupt database files. (check-in: f22c7e229e user: drh tags: trunk)
17:54
Fix a crash in the sqlite_dbdata module that could occur if a pointer within an overflow chain in a corrupt database pointed past the end of the db. (check-in: 3eae4e301e user: dan tags: trunk)
17:10
Disable the optimization where a REAL value with no fractional part is stored as an INTEGER when the integer uses as much space as the real value it proposes to stand in for (8 bytes). This avoids corner cases of comparing integers against real values that are beyond the resolution of an IEEE 754 double. Fix for ticket [6c1d3febc00b22d457c78c2] (check-in: 9b0915272f user: drh tags: trunk)
16:57
Avoid long delays that can occur when ".recover"ing data from a database with a corrupt freelist. (check-in: 20f06bf2e6 user: dan tags: trunk)
16:22
Improved debugging output from the OP_MakeRecord opcode. (check-in: ac790729d9 user: drh tags: trunk)
15:51
Fix another corruption related buffer overread in the sqlite_dbdata module. (check-in: 5cd728fb6b user: dan tags: trunk)