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49 check-ins using file src/btree.c version 6ae1c173

2016-11-11
18:45
Merge trunk with this branch. (Closed-Leaf check-in: dd62d2de user: dan tags: sorter-opt)
18:08
Reenable the SQLITE_EXPR_REF optimization for "SELECT DISTINCT ... ORDER BY" queries. (check-in: 6e2e9d38 user: dan tags: sorter-opt)
17:08
Fix a problem with switching from wal to rollback mode when SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE is configured. (check-in: 46e00162 user: dan tags: trunk)
16:33
Add the test/ossfuzz.c interface adaptor for OSS-FUZZ. Make previsions for testing the adaptor using fuzzcheck.c. (check-in: 119d6ef8 user: drh tags: trunk)
15:49
Handle some obscure "row value misused" cases that could cause segfaults or assertion failures. (check-in: fba5fddb user: dan tags: trunk)
14:54
Back out the "--raw" option on ".read" in the command-line shell. Instead, fix the command-line shell so that if EOF is reached without seeing a final semicolon, it goes ahead and passes the accumulated SQL text to SQLite. (check-in: f98c8ac8 user: drh tags: trunk)
09:51
Add extra tests for the xBestIndex() virtual table method. (check-in: 642a8fba user: dan tags: trunk)
05:19
In the command line shell, avoid using utf8_printf() in a couple places where it is superfluous. (check-in: 6311a8bd user: mistachkin tags: trunk)
04:37
Add the --raw option to the ".read" dot-command of the command-line shell, to cause the named file to be read and sent directly into sqlite3_exec() without any interpretation. (check-in: 09233770 user: drh tags: trunk)
03:37
Take care not to try to generate code for the ATTACH and DETACH commands if there were syntax errors during parsing. Fix for ticket [2f1b168ab4d4844] (check-in: b0ff183b user: drh tags: trunk)
2016-11-10
20:14
Avoid storing redundant fields in sorter records when the sort-key and data have fields in common (as in "SELECT a FROM t1 ORDER BY 1"). (check-in: 0af62fdb user: dan tags: sorter-opt)
2016-11-09
01:46
Fix typo in the CSV extension. (check-in: b4889588 user: mistachkin tags: trunk)
01:07
Add a DISTINCT query to speedtest1.c. Also change INSERT OR REPLACE into just REPLACE. (check-in: 754ee844 user: drh tags: trunk)
00:57
Remove the "experimental" marking from the sqlite3_preupdate interfaces. But be sure all the interface definitions are within documentation. (check-in: d6dd2ad3 user: drh tags: trunk)
2016-11-08
19:22
Avoid superfluous cursor seeks in "INSERT OR REPLACE" statements. (check-in: bec5b6d4 user: dan tags: trunk)
17:19
Avoid generating OP_TableLock unnecessary instructions on btrees that are not sharable. (check-in: 8cb8516d user: drh tags: trunk)
16:27
Fix the speedtest1.c test program so that it gives closing "%" wildcards on LIKE searches. (check-in: c2f84f63 user: drh tags: trunk)
00:30
Tweaks to speedtest1.c to better reflect mobile usage based on findings in the "Pocket Data" paper by Kennedy, Ajay, Challen, and Ziarek. (check-in: b5733cae user: drh tags: trunk)
2016-11-07
18:18
Fix OOM error reporting in the json1_group_object() SQL function. Remove an unreachable branch from the JSON1 logic. (check-in: b5409849 user: drh tags: trunk)
15:15
Replace some unreachable branches from the JSON1 extension with assert(). (check-in: 145cd13e user: drh tags: trunk)
13:37
Fix the JSON1 extension so that the JSON validator correctly rejects malformed backslash escapes within string literals. (check-in: 7a635391 user: drh tags: trunk)
2016-11-04
12:05
Avoid a crash that can occur after an obscure OOM in the built-in INSTR() function. (check-in: b86b79c4 user: dan tags: trunk)
12:03
Mark the ICU extension functions as deterministic. (check-in: afbbb6c6 user: drh tags: trunk)
11:23
Add an assert() to silence a coverity false-positive. (check-in: 97354093 user: drh tags: trunk)
07:25
Fix a test case in vacuum5.test so that it works with the in-memory journal permutation. (check-in: 81c86401 user: dan tags: trunk)
2016-11-03
21:35
Replace a couple more references to Tcl 8.5 in the Windows build tools. (check-in: 1d0e43c5 user: mistachkin tags: trunk)
19:24
Fix a test case in vacuum5.test sot aht it works with -DSQLITE_ENABLE_ATOMIC_WRITE. (check-in: 3ca80010 user: dan tags: trunk)
19:01
Fix a test case in vacuum5.test so that it works with -DSQLITE_TEMP_STORE=2. (check-in: f5dd95e2 user: dan tags: trunk)
13:12
In the command-line shell, fix the .imposter command so that it works with indexes on expressions. Fix the ".mode quote" mode so that it works with ".headers ON". (check-in: ba9873da user: drh tags: trunk)
13:01
Add the ".imposter" command to the command-line shell. (check-in: be3ec8fd user: drh tags: trunk)
02:25
Fix an possible NULL pointer deference in the command-line shell that can occur when using imposter mode. (check-in: ad08753a user: drh tags: trunk)
2016-11-02
19:49
Adjust the MSVC makefile to use Tcl8.6 by default. (check-in: def8f598 user: drh tags: trunk)
14:50
Fix an issue that was causing the new database image to be assembled entirely in heap memory when VACUUMing a database, even if it should use a temp file. This could cause SQLITE_NOMEM errors when vacuuming very large databases on 32-bit systems. (check-in: 30288453 user: dan tags: trunk)
13:18
Fix a requirement mark. No changes to code. (check-in: d18f61b7 user: drh tags: trunk)
02:17
Use NOT NULL partial indexes when the query is constrained by a single LIKE or GLOB. (check-in: 9b3a3b41 user: drh tags: trunk)
2016-10-31
16:49
Add the SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE sqlite3_dbconfig() option - for disabling SQLite's default checkpoint-on-close behaviour. (check-in: 6d142025 user: dan tags: trunk)
16:16
Add the SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE sqlite3_dbconfig() option - for disabling SQLite's default checkpoint-on-close behaviour. (Closed-Leaf check-in: 093d2fc2 user: dan tags: no-ckpt-on-close)
2016-10-27
14:51
Remove the mutex from test_multiplex.c. (check-in: 6374978e user: dan tags: trunk)
01:02
Make sure left-join markings are transferred to the virtual scalar subexpressions when decomposing a vector comparison in the ON clause of a LEFT JOIN. Fix for ticket [fef4bb4bd9185ec8f]. (check-in: 619f5cc7 user: drh tags: trunk)
2016-10-26
18:41
Small size reduction and performance enhancement in whereScanInit(). (check-in: c23f5ef3 user: drh tags: trunk)
17:57
Small size reduction and performance improvement in whereScanNext(). (check-in: d861ee17 user: drh tags: trunk)
16:05
If all branches of an OR optimize scan that is the rhs of a LEFT JOIN use the same index, set the index cursor to return NULL values if there are no matches for a row on the lhs. Fix for ticket [34a579141b2c5ac] (check-in: ec9dab80 user: dan tags: trunk)
15:46
If all branches of an OR optimize scan that is the rhs of a LEFT JOIN use the same index, set the index cursor to return NULL values if there are no matches for a row on the lhs. (Closed-Leaf check-in: e7b9bc67 user: dan tags: leftjoin-or-fix)
13:58
Merge the SQLITE_ENABLE_URI_00_ERROR compile-time option. (check-in: 86675ae0 user: drh tags: trunk)
13:44
Add extra tests to check the result of including a %00 escape in a URI when ENABLE_URI_00_ERROR is defined. (Closed-Leaf check-in: 1aaa06e3 user: dan tags: uri-00-error)
12:15
Add compile time option SQLITE_ENABLE_URI_00_ERROR. If defined, any "%00" escape found in a URI is treated as an error. (check-in: e8a9bfec user: dan tags: uri-00-error)
2016-10-25
15:39
Enhance the "PRAGMA index_info" and "PRAGMA index_xinfo" statements so that they work on WITHOUT ROWID tables and provide information about the underlying index btree that implements the WITHOUT ROWID table. (Leaf check-in: fe49fb03 user: drh tags: index-info-on-table)
15:06
Add test case to demonstrate a "BEGIN EXCLUSIVE" command returning SQLITE_BUSY_SNAPSHOT. (check-in: b1158564 user: dan tags: trunk)
2016-10-24
01:01
Performance optimization in moveToRoot(). Avoid repeated validity checking of the root page on each call. Once is enough. (check-in: 98795c2d user: drh tags: trunk)