/ Timeline
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

18 descendants and 100 ancestors of [db361482]

2018-12-14
20:28
Add a missing OP_ColumnsUsed opcode to code for expressions like "? IN (SELECT ...)" in cases where expression can use an index that may contain NULL values. (Backported fix from version 3.14.0). Leaf check-in: 11368e67 user: drh tags: branch-3.8.9
20:20
Add the OP_ColumnsUsed opcode (when compiled with SQLITE_ENABLE_COLUMN_USED_MASK) as a hint to the b-tree layer as to which columns of a btree cursor will be used. (Backport from 3.8.11) check-in: b29e02f8 user: drh tags: branch-3.8.9
2017-11-14
18:26
Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. This is a modified cherrypick of [dae4a97a]. check-in: b2679d3b user: dan tags: branch-3.8.9
2017-11-09
04:13
Disallow ORDER BY and LIMIT on UPDATE and DELETE of views and WITHOUT ROWID tables. This is a temporary fix for ticket [d4beea1633f1b88f] until a better solution can be found. check-in: 30aa941f user: drh tags: branch-3.8.9
2017-07-27
22:16
Enhance the like optimization so that it works with an ESCAPE clause. check-in: 2495acf7 user: drh tags: branch-3.8.9
2017-07-17
19:37
Try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. This is a cherry-pick of [6df18e949d36] with bug fixes. check-in: cd6ac078 user: drh tags: branch-3.8.9
19:25
When checking for the WHERE-clause push-down optimization, verify that all terms of the compound inner SELECT are non-aggregate, not just the last term. Fix for ticket [f7f8c97e97597]. Closed-Leaf check-in: adc082c1 user: drh tags: push-down-backport
19:14
Do not apply the WHERE-clause pushdown optimization to terms that originate in the ON or USING clause of a LEFT JOIN. Fix for ticket [c2a19d81652f40568c]. check-in: 52674f94 user: drh tags: push-down-backport
19:07
For FROM-clause subqueries that cannot be flattened, try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. Cherry-pick from [6df18e949d36]. Still need to backport bug fixes associated with that check-in. check-in: 043d6ce8 user: drh tags: push-down-backport
2017-07-08
01:01
Fix the covering index OR optimization (check-in [fcbd6abd]) so that it works with SQLITE_MAX_ATTACHED>30. Broken by a bad cherry-pick merge. check-in: d227de8a user: drh tags: branch-3.8.9
2017-07-05
16:20
Make use of covering indexes in the OR optimization. check-in: fcbd6abd user: drh tags: branch-3.8.9
14:54
Add the count-of-view optimization when compiled using SQLITE_COUNTOFVIEW_OPTIMIZATION. check-in: b7ae4b87 user: drh tags: branch-3.8.9
2017-06-06
18:22
Add the SQLITE_DEFAULT_ROWEST compile-time option for changing the estimated number of rows in tables that lack sqlite_stat1 entries. check-in: 802b82f3 user: drh tags: branch-3.8.9
2017-05-24
04:32
Fix a problem in STAT4 equality estimation for multi-column indexes introduced by check-in [3e0590dee0e68cc1599]. check-in: 19dad0a7 user: drh tags: branch-3.8.9
2017-05-22
00:27
When planning a query using sorting, resolve ties in the solver by selecting loop plans with the smaller unsorted cost. check-in: 962531e7 user: drh tags: branch-3.8.9
2017-01-11
14:21
In the STAT4 computations, ensure that the aAvgEq values do not go negative. check-in: 4f83f680 user: drh tags: branch-3.8.9
2016-11-02
16:29
When the block sorting optimization is used in a scalar subquery, be sure to exit the loop as soon as the first valid output row is received. Fix for ticket [cb3aa0641d9a4] backported to the 3.8.9 branch. check-in: 8e4ba115 user: drh tags: branch-3.8.9
2016-09-23
18:06
Fix the ORDER BY LIMIT optimization backport so that it works when the ORDER BY uses the DESC direction. check-in: 0c3cafb7 user: drh tags: branch-3.8.9
2016-09-14
01:43
Backport the ORDER BY LIMIT optimization to version 3.8.9. check-in: db361482 user: drh tags: branch-3.8.9
2015-04-08
12:16
Version 3.8.9 check-in: 8a8ffc86 user: drh tags: trunk, release, version-3.8.9
2015-04-07
15:39
Avoid signed integer overflow when converting oversized in-line integer widths and precisions in printf(). check-in: 8e4ac2ce user: drh tags: trunk
14:38
Another change to avoid a problem caused by integer overflow in the printf() code. check-in: 95625ef3 user: dan tags: trunk
13:28
Further changes to guard against integer overflow in the width and precision of printf() arguments. check-in: 5ce4e7d7 user: drh tags: trunk
12:41
Guard against excessive width and precision in floating-point conversions in the printf routines. check-in: c494171f user: drh tags: trunk
2015-04-06
11:04
Fix a problem with fts3 prefix terms within phrase queries on "order=DESC" tables with a mix of negative and positive rowids. check-in: 3ad829e5 user: dan tags: trunk
09:05
Fix a problem with fts3 prefix terms within phrase queries on "order=DESC" tables with a mix of negative and positive rowids. Closed-Leaf check-in: 0cdf5028 user: dan tags: fts3-prefix-query-fix
2015-04-04
16:49
Fix a problem with resolving ORDER BY clauses that feature COLLATE clauses attached to compound SELECT statements. check-in: edc1de2a user: dan tags: trunk
16:43
Fix a problem with resolving ORDER BY clauses that feature COLLATE clauses attached to compound SELECT statements. Closed-Leaf check-in: 427b50fb user: dan tags: compound-order-by-fix
2015-04-03
20:33
Disable the SQLITE_FCNTL_WAL_BLOCK feature for now. It needs more work and is not yet ready for release. check-in: 4ae9a3ac user: drh tags: trunk
18:33
Add source code to the "showlocks" utility program in the tool/ subdirectory. check-in: 6868cc66 user: drh tags: trunk
2015-04-02
15:24
Disable e_walauto.test on OpenBSD, as it requires a coherent cache. check-in: 90701227 user: dan tags: trunk
2015-04-01
13:21
Improved detection and suppression of endless loops in clearDatabasePage(). check-in: 30011ad2 user: drh tags: trunk
2015-03-31
19:40
On windows, flush the mapping view when syncing content to disk. check-in: a828e73d user: drh tags: trunk
18:05
Add the "mptest" target to main.mk. Change TRUNCATE and PERSIST to DELETE for mptest.c on Windows because of problems trying to delete the journal. check-in: ea697e6d user: drh tags: trunk
17:32
Change the sqlite3_log() message generated on a retry after delay in os_win to be an SQLITE_NOTICE instead of SQLITE_IOERR. check-in: 5d533eee user: drh tags: trunk
17:01
Fix configure.ac and Makefile.in so that they generate pkgIndex.tcl correctly. check-in: 3deff252 user: drh tags: trunk
16:42
Minor tweaks to the MSVC Makefile. check-in: 7244ea59 user: mistachkin tags: trunk
16:33
Handle very large URI pathnames for in-memory shared-cache databases. check-in: 586a94e8 user: drh tags: trunk
15:15
Fix harmless compiler warnings in lemon.c check-in: bbe7dcda user: drh tags: trunk
14:31
Fix the corruptJ.test case so that it works with and without SQLITE_SECURE_DELETE. check-in: 0c0ecfd6 user: drh tags: trunk
14:18
Additional logging information output by mptester. check-in: 0cbbf6e4 user: drh tags: trunk
13:46
Add the "mptest" target to Makefile.msc check-in: 1e814e0b user: drh tags: trunk
11:42
Ensure that comparison operators do not mess up the MEM_Dyn flag on registers when reverting affinity changes. check-in: 02e3c88f user: drh tags: trunk
2015-03-30
23:43
Prevent a possible infinite loop when trying to DROP a table from a corrupt database. check-in: 395bb3e6 user: drh tags: trunk
2015-03-27
18:22
Merge updates from trunk. Closed-Leaf check-in: 45acf6a8 user: mistachkin tags: winViewFlush
18:20
Enhancements to OSTRACE usage in the Win32 VFS. check-in: ab580029 user: mistachkin tags: trunk
02:27
Fix the ".testctrl imposter" command in the command-line shell to be consistent in error reporting and results with the other .testctrl commands. check-in: 0ec08ba8 user: drh tags: trunk
00:21
Using MSVC, get the sqlite3IoTrace variable working with the USE_STDCALL and/or DYNAMIC_SHELL options. check-in: fe976c91 user: mistachkin tags: trunk
00:19
In the MSVC Makefile, make the DYNAMIC_SHELL option work without USE_STDCALL. check-in: 25b46a9c user: mistachkin tags: trunk
2015-03-26
23:36
When syncing a memory mapped file on Windows, flush the mapped view as well. check-in: df204049 user: mistachkin tags: winViewFlush
18:24
Revise Win32 locking test to account for recent log message changes. check-in: 1bc76339 user: mistachkin tags: trunk
17:04
Avoid leaving the malloc subsystem in a partially initialized state if the low-level initialization callback fails. check-in: 3e872011 user: drh tags: trunk
15:27
Provide source code line numbers for errors in the Windows VFS generated by the winLogIoerr() routine. check-in: b5da0d93 user: drh tags: trunk
14:29
Fix a harmless compiler warning in FTS3. check-in: 1688f60c user: drh tags: trunk
2015-03-25
18:29
Change an unreachable branch into an assert(). check-in: fb076b28 user: drh tags: trunk
17:35
Fix the saveCursorPosition() routine in btree.c so that it works correctly for a eState=CURSOR_SKIPNEXT cursor. check-in: 37866b4d user: drh tags: trunk
13:06
Reactivate an older assert() (adding an "|| CORRUPT_DB" term) and add a new assert() in btree.c. check-in: 1e96520a user: drh tags: trunk
12:05
Add two new assert()s to the sqlite3BtreeDataSize() method. check-in: 42d1793d user: drh tags: trunk
2015-03-24
22:00
Add SQLITE_STDCALL and SQLITE_CDECL macros on public function definitions. check-in: cae3239a user: mistachkin tags: trunk
21:54
Further simplifications to the amalgamation builder. Closed-Leaf check-in: e826cd7d user: drh tags: stdcall
21:52
Update the 'mksqlite3c-noext' tool as well. check-in: a5322566 user: mistachkin tags: stdcall
21:34
Fix a couple comment typos in a tool script. No changes to code. check-in: 83421af6 user: mistachkin tags: trunk
21:27
Add SQLITE_STDCALL and SQLITE_CDECL macros on public function definitions. check-in: 242f09d4 user: mistachkin tags: stdcall
18:19
Suppress a compiler warning that was appearing with SQLITE_THREADSAFE=0. check-in: 436314b5 user: drh tags: trunk
16:43
Prevent a virtual table from being destroyed while it is in use. Also: replace Vdbe.inVtabMethod with sqlite3.nVDestroy. Simplify the EXPLAIN output for P4.pVtab to only show the sqlite3_vtab pointer. check-in: cbeb9a1a user: drh tags: trunk
14:57
Add tests to check that attempting to DROP a virtual table while it is use does not cause problems. Closed-Leaf check-in: 5ee625b1 user: dan tags: nVDestroy
14:57
Simplify the EXPLAIN output of virtual table P4 parameters to only show the pointer to the sqlite3_vtab object and omit the sqlite3_module object. Closed-Leaf check-in: 85610bbb user: drh tags: nVDestroy
14:05
More defenses against virtual table being deleted out from under a running statement. check-in: 116c9982 user: drh tags: nVDestroy
13:32
Prevent a virtual table from being destroyed while it is in use. check-in: fba674c0 user: drh tags: nVDestroy
12:51
Replace the Vdbe.inVtabMethod field with the sqlite3.nVDestroy counter. check-in: 9faefb96 user: drh tags: nVDestroy
2015-03-23
21:32
Disable loadable extensions in the command-line shell on VxWorks user-space. check-in: 0ee2d38d user: drh tags: trunk
19:55
Track total memory usage using a 64-bit integer on 64-bit systems. Add the sqlite3_status64() interface. Make the sqlite3_status() and sqlite3_status64() interfaces atomic using mutexes and verify correct mutex operation using assert() statements. check-in: 6fc4e79a user: drh tags: trunk
19:16
Fix a non-C89 variable declaration that causes problems for MSVC. Closed-Leaf check-in: 3de085ea user: drh tags: status64
19:03
Fix datetype size asserts in btree.c. check-in: ff4812d0 user: drh tags: trunk
18:52
Add the SQLITE_PTRSIZE macro. Use it to help sqlite3_status() run faster on 32-bit systems. check-in: c742bd60 user: drh tags: status64
17:25
Add the sqlite3_status64() interface. Make the new interface and the legacy sqlite3_status() both atomic and threadsafe. Check threadsafety using assert()s. check-in: 1ce8e8fa user: drh tags: status64
2015-03-22
10:23
Fix a potential NULL pointer dereference following a syntax error. check-in: 8d27e3e1 user: drh tags: trunk
2015-03-21
23:38
Fix harmless compiler warnings with MSVC when assert() and SQLITE_MEMDEBUG are both enabled. check-in: 9513dbd4 user: mistachkin tags: trunk
22:23
Add more comments to the MSVC batch build tool. check-in: 03522da3 user: mistachkin tags: trunk
22:13
Increase the debugging level for the debug configuration in the MSVC batch build tool. check-in: 041484ff user: mistachkin tags: trunk
20:59
Do not invoke a C preprocessor macro with an empty argument, as (reportedly) some versions of GCC are unable to deal with that. check-in: de9da317 user: drh tags: trunk
20:50
Add a missing "int" on a constant declaration. check-in: 235157de user: drh tags: trunk
19:35
Avoid a segfault if NULL is passed as the first argument to SQL scalar function fts3_tokenizer(). check-in: 6d098969 user: dan tags: trunk
16:40
Change walblock.test to block an external process for 10 seconds, not 5. 5 seconds is not long enough to tell the difference between a blocking lock and a series of retries. check-in: 717335fc user: dan tags: trunk
16:36
Fix the blocking WAL lock so that it works and so that it compiles on a Mac. check-in: 67d69d21 user: drh tags: trunk
12:25
Remove an unreachable branch from the OP_VCreate opcode (merge accidental fork in trunk). check-in: 2fbfec62 user: dan tags: trunk
12:22
Avoid an integer overflow in fts3 causing gcc 4.7.1 with -O2 to behave counter-intuitively (perhaps because the behaviour is undefined). Add an "ifcapable trace" to a test in shell4.test. check-in: e3e23464 user: dan tags: trunk
12:22
Remove an unreachable branch from the OP_VCreate opcode. check-in: 5fca41a3 user: drh tags: trunk
10:53
Add a missing "ifcapable fts3" to a test case in vtab2.test. check-in: d845b0f6 user: dan tags: trunk
03:18
Correctly detect the error of having a "*" wildcard on a SELECT without a FROM clause on the left-hand side of a recursive CTE. check-in: b11d1793 user: drh tags: trunk
02:58
If a column is both UNIQUE and a PRIMARY KEY, make sure the PRIMARY KEY designation takes precedence. check-in: d871a792 user: drh tags: trunk
02:25
Remove superfluous define from the MSVC makefile. check-in: 880d2513 user: mistachkin tags: trunk
02:22
Improvements to the MSVC build. Fix harmless compiler warnings. Enable use of 'stdcall'. check-in: 737630b8 user: mistachkin tags: trunk
2015-03-20
16:54
Provide the BTREE_SEEK_EQ hint to the b-tree layer. check-in: 3c367004 user: drh tags: trunk
16:34
Fix to get SQLITE_SMALL_STACK working correctly again after the previous change. Closed-Leaf check-in: 78df0ce1 user: drh tags: seek-eq
14:57
Provide the BTREE_SEEK_EQ hint to the b-tree layer. check-in: e750830f user: drh tags: seek-eq
08:43
Fix a problem causing collation sequence names to be dequoted multiple times under some circumstances. check-in: eddc05e7 user: dan tags: trunk
2015-03-19
20:09
If a virtual table is created with a malformed UTF8 name in a UTF16 database, make sure that does not cause problems. check-in: b74cb0a9 user: drh tags: trunk
19:59
Fix a crash that can occur following an OOM condition within a CREATE VIRTUAL TABLE statement on a utf-16 database. Closed-Leaf check-in: 9453e7da user: dan tags: malformed-vtab-name
18:56
Fix a problem with creating virtual table with names specified using malformed utf-8 within utf-16 databases. check-in: 9969cff2 user: dan tags: malformed-vtab-name
16:25
Fix an FTS3/4 problem with handling empty tokenizer declarations (e.g. "CREATE VIRTUAL TABLE t(tokenize=);"). check-in: 26d2def8 user: dan tags: trunk
15:52
Silently ignore any attempt to add a prefix index for prefixes zero bytes in size to an fts3/4 table. Or any prefix index size so large that it overflows a 32-bit signed integer. check-in: ad4b19d2 user: dan tags: trunk
15:04
Add an assert() to check that the database mutex is held in sqlite3BtreeLeave(). check-in: 31f54d7b user: dan tags: trunk
14:48
Fix typo in shell error message. check-in: 775a02d5 user: mistachkin tags: trunk
13:30
Fix a bug in error handling in the ".trace" command of the command-line shell. check-in: 6a48b5d7 user: drh tags: trunk
2015-03-18
16:00
Add another sqlite3FaultSim() to the multi-threaded sorter logic to improve testability. check-in: 49ea2cde user: drh tags: trunk
2015-03-17
20:39
Clarify the documentation on sqlite3_errcode(). No changes to code. check-in: 2c0e0d87 user: drh tags: trunk
17:08
Also merge the WAL blocking lock tests that were somehow missed on the previous check-in. check-in: 7214dab7 user: drh tags: trunk
16:59
Transient locks in WAL mode can now block in order to resolve priority inversions. check-in: ec2f46de user: drh tags: trunk
16:01
Add a test for the change on this branch. Closed-Leaf check-in: e22dde18 user: dan tags: wal-blocking-lock
2015-03-16
20:40
Make SQLite slightly more likely to use an auto-index within a sub-query. check-in: ab832336 user: dan tags: trunk
18:08
Fix typo of test prefix in the new WHERE test file. check-in: 34779c52 user: mistachkin tags: trunk
17:48
When the WHERE clause contains two OR-connected terms with identical operands but different operators, try to combine them into a single term. Example: (X=A OR X>A) becomes (X>=A). check-in: 8bdda827 user: drh tags: trunk
17:07
Modify the fts3query.test script so that it works even when testfixture is built using a version of TCL that is unable to sort the integer -9223372036854775808 check-in: f61fd24b user: drh tags: trunk
16:44
When deleting the master journal to commit a multi-database transaction, do not sync the directory if PRAGMA synchronous=OFF for all participating database files. check-in: 018d7671 user: drh tags: trunk
16:28
When estimating the number of rows visited by a range scan for which the keys consist of more than one field, consider prefixes of stat4 samples as well as the full samples. This generates more accurate estimates. check-in: 3e0590de user: dan tags: trunk
13:48
Use #ifdef to omit code that is only used for STAT3 and STAT4. check-in: f2c9c5b5 user: drh tags: trunk
13:12
Improved comments. No code changes. Closed-Leaf check-in: 23f71a26 user: drh tags: combine-disjuncts
12:13
When a WHERE clause contains disjuncts with the same operands, try to combine them into a single operator. Example: (x=A OR x>A) becomes (x>=A). check-in: 7a309768 user: drh tags: combine-disjuncts