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100 most recent check-ins

2020-06-05
18:17
Assign a fake name to the ephemeral subquery tables that are created when making parse-tree changes for window functions. (Leaf check-in: c4072267 user: drh tags: trunk)
15:56
Do parse-tree transformations required for window functions prior to running aggregate function analysis. Fix for ticket [c8d3b9f0a750a529]. (Leaf check-in: 79eff1d0 user: drh tags: branch-3.32)
15:40
New test case for fuzzdata8.db. (check-in: 2870d117 user: drh tags: trunk)
15:26
Do parse-tree transformations required for window functions prior to running aggregate function analysis. Fix for ticket [c8d3b9f0a750a529]. (check-in: 0b42a227 user: drh tags: trunk)
14:53
Ensure that the "push-down" optimization does not push constraints down into compound queries if any of the component queries uses window functions. (Closed-Leaf check-in: 2011e832 user: dan tags: early-winfunc-rewrite)
14:25
ALWAYS() and NEVER() macros added due to unreachable branches arising from the previous check-in. (check-in: 13ffedab user: drh tags: early-winfunc-rewrite)
14:10
Move the parse tree rewrite for window functions earlier in the process, before sqlite3ExprAnalyzeAggregates() has run. Add new assert()s to verify that aggregate analysis always remains valid until the end of SELECT processing. (check-in: fe702aa0 user: drh tags: early-winfunc-rewrite)
04:01
In the debugging treeview output, change the name of "SELECT-expr" expression nodes to be "subquery-expr", so as to not confuse them with actual SELECT nodes. (check-in: c1c8937a user: drh tags: trunk)
00:54
Always use ?...? to indicate optional arguments in the output of ".help" in the CLI. Change ".mode column" so that it automatically activates ".headers on" if headers have not been previously turned on or off. (check-in: 2827c0a1 user: drh tags: trunk)
2020-06-04
18:05
Add support for "box" mode in the CLI: Like "table" except that it uses unicode box-drawing characters instead of ascii-art. (check-in: 6da784c9 user: drh tags: trunk)
16:54
Improved display of ".mode table" output for empty result sets. (check-in: 7efabd68 user: drh tags: trunk)
16:34
Use __has_extension(c_atomic) instead of __has_feature(c_atomic) to detect support for atomic load and store operations with clang. (check-in: 36225579 user: dan tags: trunk)
16:07
Use AtomicStore() to set values in the wal-index hash table. (check-in: 1ab30c75 user: dan tags: trunk)
12:58
Version 3.32.2 (check-in: ec02243e user: drh tags: release, branch-3.32, version-3.32.2)
02:50
Work around a bug in clang-11.0.0. See forum post 3c2bf8042ec46195 for further info. (check-in: 3c2bf804 user: drh tags: trunk)
2020-06-03
22:57
Fix for ticket [810dc8038872e212]. (check-in: 9cfefef5 user: drh tags: branch-3.32)
22:47
Version number to 3.32.2 (check-in: 4454b27f user: drh tags: branch-3.32)
19:28
Fix for ticket [810dc8038872e212]. Thank to user "Maxulite" for tracking down the problem! (check-in: 89af93d7 user: drh tags: trunk)
15:59
Simplification to the interrupt handling logic in sqlite3VdbeExec() saves a few bytes of code space. (check-in: 43e0e59b user: drh tags: trunk)
03:00
Improve the query planner so that it is better able to find full index scan plan when there is an INDEXED BY clause. (check-in: d901837f user: drh tags: trunk)
2020-05-30
15:34
Draw the dashes below the headers in "explain" mode in the CLI. (check-in: c6b7833a user: drh tags: trunk)
00:30
Improved VDBE comments on the ANALYZE code generator. This change also fixes a harmless use of an uninitialized integer variable as an input to the %d format on a VDBE comment. (check-in: 1cb248a3 user: drh tags: trunk)
2020-05-29
21:06
Enhancements to the incremental build support for MSVC. (check-in: 2e25d915 user: mistachkin tags: trunk)
20:16
Remove a stray "&" character in the CLI, detected by a clang warning. (check-in: 5865d2f2 user: drh tags: trunk)
19:45
Add the "shelltest" target to the MSVC makefile as well. (check-in: 9924c045 user: drh tags: trunk)
19:39
Fix the ".import" command of the CLI to clean up better after errors. Add the new "shelltest" makefile target on unix platforms. (check-in: 50d4ddf1 user: drh tags: trunk)
19:17
Improvements to help text for the CLI. (check-in: 6a01e4c4 user: drh tags: trunk)
19:03
Fix a memory leak in the CLI when an unknown or unrecognized argument is given to the ".dump" command. (check-in: 71bfbbcc user: drh tags: trunk)
16:15
Improvements to columnar output in the CLI. Columns automatically expand to contain the largest row. (check-in: 4e1db8e9 user: drh tags: trunk)
14:38
Space to hold the ".width" of columns in the CLI is now obtained from malloc() and hence is not limited in the number of columns supported. (check-in: 445ed5da user: drh tags: trunk)
12:31
Incremental improvements to tabular output modes in the CLI. The "markdown" and "table" modes no have headers turned on by default. (check-in: af28bff9 user: drh tags: trunk)
11:07
Expand upon a comment in os_unix.c. No changes to code. (check-in: 77933dc4 user: dan tags: trunk)
00:21
In the json output mode of the CLI, do correct quoting of escape characters. Also, show BLOBs as JSON strings, possibly with embedded \u0000 bytes. (check-in: 0278147a user: drh tags: trunk)
2020-05-28
23:49
Progress toward adding new output modes to the CLI: json, table, and markdown. (check-in: 14f55faf user: drh tags: trunk)
20:37
Enhance the ".quote" mode in the shell so that it honors .separator. (check-in: b5e33ed5 user: drh tags: trunk)
00:45
When the sqlite_stat1 data is missing for some indexes of a table but is present for the table itself or for other indexes in the same table, then do not let the estimated number of rows in that table get too small, as doing so can deceive the query planner into ignoring a perfectly good index. (check-in: 98d42620 user: drh tags: trunk)
2020-05-27
12:44
Small performance improvement and size reduction in the expression code generator. (check-in: eeb53e21 user: drh tags: trunk)
00:02
Change a datatype from i16 to int to appease Converity and help eliminate a false-positive. (check-in: 5b560ec4 user: drh tags: trunk)
2020-05-26
20:33
Fix the cksumvfs extension so that it will not register itself more than once. (check-in: d5cdd571 user: drh tags: trunk)
20:31
Performance optimization in the transfer of error messages from statements to connections. (check-in: 0e898f4f user: drh tags: trunk)
11:23
Increase the version number to 3.33.0 to begin the next release cycle. (check-in: 790badb3 user: drh tags: trunk)
11:10
Changes to sqlite3SelectNew() to work around a false-positive warning from GCC-10. The code is very slightly larger and slower as a result. (check-in: 04e1edd8 user: drh tags: trunk)
10:54
Innocuous changes to help Coverity avoid false-positives. (check-in: 4ec8a5a2 user: drh tags: trunk)
2020-05-25
18:18
Merge version 3.32.1 into the begin-concurrent-pnu-wal2 branch. (Leaf check-in: 0f9464c5 user: drh tags: begin-concurrent-pnu-wal2)
18:09
Merge version 3.32.1 into the wal2 branch. (Leaf check-in: 5c183757 user: drh tags: wal2)
18:03
Merge versoin 3.32.1 into the begin-concurrent-pnu branch. (Leaf check-in: e8d79d2b user: drh tags: begin-concurrent-pnu)
17:27
Merge version 3.32.1 into the begin-concurrent branch. (Leaf check-in: 5e08e360 user: drh tags: begin-concurrent)
16:34
Update the reuse-schema branch to version 3.32.1 (Leaf check-in: ecf8dece user: drh tags: reuse-schema)
16:19
Version 3.32.1 (check-in: 0c1fcf47 user: drh tags: trunk, release, version-3.32.1)
15:41
Extra assert() statements in the printf() logic. (check-in: b1b182be user: drh tags: trunk)
15:19
Defensive code that tries to prevent a recurrence of problems like the one described in ticket [7a5279a25c57adf1] (check-in: 572105de user: drh tags: trunk)
12:49
Fix minor compile issues with optional extensions. (check-in: 3261ee9e user: drh tags: trunk)
12:02
Make sure variable declarations are at start of scope even when SQLITE_ENABLE_SNAPSHOT is used. (check-in: a77ceaf6 user: drh tags: trunk)
01:31
Attempt to work around a false-positive warning in the CGo compiler. (Closed-Leaf check-in: d4bf60f4 user: drh tags: cgo-warning-workaround)
2020-05-24
12:36
Version number to 3.32.1. (check-in: 56e5063c user: drh tags: trunk)
03:38
When rewriting a query for window functions, if the rewrite changes the depth of TK_AGG_FUNCTION nodes, be sure to adjust the Expr.op2 field appropriately. Fix for ticket [7a5279a25c57adf1] (check-in: ad7bb70a user: drh tags: trunk)
03:01
Move some utility Walker callbacks into the walker.c source file, as they seem to belong there better. (check-in: dac43823 user: drh tags: trunk)
02:05
Improvements to parse-tree tracing logic. No changes in deliverable code. (check-in: f7e5a68a user: drh tags: trunk)
00:30
Minor fix to a comment. No code changes. (check-in: efdbb2b4 user: drh tags: trunk)
2020-05-23
19:58
Limit the "precision" of floating-point to text conversions in the printf() function to 100,000,000. Fix for ticket [23439ea582241138]. (check-in: d08d3405 user: drh tags: trunk)
17:56
Improved bytecode comment. (check-in: 9224f154 user: drh tags: trunk)
2020-05-22
18:41
Merge version 3.32.0 into the reuse-schema branch. (check-in: 31706878 user: drh tags: reuse-schema)
18:35
Merge version 3.32.0 into the begin-concurrent-pnu-wal2 branch. (check-in: 3cb29606 user: drh tags: begin-concurrent-pnu-wal2)
18:28
Merge version 3.32.0 into the wal2 branch. (check-in: 1cb46a74 user: drh tags: wal2)
18:17
Merge the 3.32.0 release into the begin-concurrent-pnu branch. (check-in: 79663e66 user: drh tags: begin-concurrent-pnu)
18:09
Merge the 3.32.0 release into the begin-concurrent branch. (check-in: 79ad4ea2 user: drh tags: begin-concurrent)
17:46
Version 3.32.0 (check-in: 5998789c user: drh tags: trunk, release, version-3.32.0)
2020-05-21
20:38
Change a NEVER macro into a NO_TEST comment, as the conditional is reachable, but only when compiling for Windows 32-bit. (check-in: ce36b6d1 user: drh tags: trunk)
19:13
Avoid another potential OOB read in sqlite3expert.c. (check-in: 0ccea800 user: dan tags: trunk)
2020-05-20
15:02
Back out the change from [7fab1393c2b22b1f] that tries to convert invalid surrogate characters in UTF16 into the replacement character 0xfffd, as we find that this breaks some software. (check-in: 4218c7b7 user: drh tags: trunk)
2020-05-19
15:51
Add compiler hints to disable TSAN for the routines that access the -shm file header in WAL mode using a double-read with memory barrier. (check-in: 3117c1b5 user: drh tags: trunk)
15:40
In os_win.c, avoid calling sqlite3_uri_boolean() on anything other than a main-db filename. (check-in: cb0a18e6 user: dan tags: trunk)
12:29
User-suggested improvement to the README.txt for the ICU extension. (check-in: 1d1293c2 user: drh tags: trunk)
12:27
In wal.c, improved comments on concurrency issues. More use of AtomicLoad() and AtomicStore(). (check-in: 4bf566fe user: drh tags: trunk)
2020-05-18
19:55
Merge latest trunk changes into this branch. (check-in: 5dc355cc user: dan tags: begin-concurrent-pnu-wal2)
19:11
Bring the reuse-schema branch up to date with the latest trunk changes. (check-in: d8ea0cb6 user: drh tags: reuse-schema)
18:02
Add vdbevtab.lo to build of libsqlite3.lib in Makefile.msc. (check-in: f64d054b user: dan tags: trunk)
17:18
Merge latest trunk changes into this branch. (check-in: 16b1eca9 user: dan tags: wal2)
16:19
Merge recent changes from trunk. (check-in: c69f030b user: drh tags: begin-concurrent-pnu)
15:41
Merge latest trunk changes into this branch. (check-in: 9e4a7b3e user: dan tags: begin-concurrent)
2020-05-17
13:47
Avoid harmless UB in memcpy() in the JSON extension. (check-in: 69e149f7 user: drh tags: trunk)
00:26
Use the sqlite3Realloc() interface internally, rather than the public sqlite3_realloc64() equivalent, to avoid unnecessary calls to sqlite3_initialize(). (check-in: 1313557b user: drh tags: trunk)
2020-05-16
21:01
Performance optimization for the sqlite3FindTable() subroutine. (check-in: 55910b9a user: drh tags: trunk)
19:00
Merge trunk enhancements in the reuse-schema branch. (Actual date of this check-in is 2020-05-18.) (check-in: 5af4abe9 user: drh tags: reuse-schema)
18:01
The OP_RealAffinity opcode is not necessary after reading values from a virtual table (such as rtree). It is harmless, but it does use CPU cycles. Might as well leave it off. (check-in: dc18d893 user: drh tags: trunk)
17:26
Fix a use-after-free bug in the fts3 snippet() function. (check-in: 0d69f76f user: dan tags: trunk)
16:23
Extra memory barrier during initialization. (check-in: 043a7e14 user: drh tags: trunk)
15:18
Add sqlite3BeginBenignMalloc() and EndBenignMalloc() calls to debugging function sqlite3VdbePrintOp(). (check-in: 6f857d0e user: dan tags: trunk)
2020-05-15
18:48
Update code in sqlite3expert.c to account for the fact that "-- TRIGGER xyz" VM comments are now omitted for some builds. (check-in: 7cf93dc5 user: dan tags: trunk)
16:19
Fix another build problem for SQLITE_OMIT_VIRTUALTABLE builds. (check-in: 5e1eb0fa user: dan tags: trunk)
16:05
Fix a documentation typo. No changes to code. (check-in: 758353c7 user: drh tags: trunk)
15:03
Adjust some requirement marks. No changes to code. (check-in: 7285ae2c user: drh tags: trunk)
13:52
Update test file e_fkey.test to account for the fact that new columns with REFERENCE clauses and non-NULL default values may now be added using ALTER TABLE if the table is empty. (check-in: 4087fce9 user: dan tags: trunk)
11:36
Fix SQLITE_OMIT_VIRTUALTABLE testfixture builds. (check-in: 3d9780c5 user: dan tags: trunk)
11:26
Test script changes to account for the fact that the "p5" column in the EXPLAIN output is now an integer, not a text values containing a 2-digit hex value. (check-in: 102126d8 user: dan tags: trunk)
01:18
Enhancements to long-path support in the Win32 VFS. (check-in: 0119d96d user: mistachkin tags: trunk)
01:13
Move some new test cases from fts3snippet.test into fts3snippet2.test. (check-in: fa203999 user: drh tags: trunk)
01:02
Add the SQLITE_ENABLE_FTS3_PARENTHESIS option to fuzzcheck. Add a new test case that uses that option. (check-in: c49a33db user: drh tags: trunk)
2020-05-14
23:59
Fix a null pointer deference that can occur on a strange matchinfo() query. (check-in: a4dd1489 user: drh tags: trunk)
21:16
Do not allow a virtual table to be renamed into the name of one of its shadows. (check-in: eca0ba2c user: drh tags: trunk)