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32 check-ins using file src/expr.c version 798146ea

2016-06-16
11:16
Fix a typo in a comment on the SrcList object. (check-in: 48b555c4 user: drh tags: trunk)
2016-06-15
10:21
Merge changes from trunk. (check-in: 0f707d15 user: drh tags: apple-osx)
2016-06-13
19:58
Fix RBU so that it builds with -DSQLITE_ENABLE_8_3_NAMES. Fix "PRAGMA compile_options" for SQLITE_ENABLE_8_3_NAMES such that it reports the numeric setting: "1" or "2". (check-in: 0230ca17 user: drh tags: trunk)
15:59
Fix the declaration of the table implemented by DBSTAT so that it uses correct datatypes. (check-in: a1e1cdc5 user: drh tags: trunk)
12:51
Fix an incorrect assert() in the btree logic. (check-in: fcf6114b user: drh tags: trunk)
12:34
Fix the "onecolumn" and "exists" methods of the TCL interface so that they work in combination with the "profile" callback. (check-in: d362ba15 user: drh tags: trunk)
2016-06-10
22:49
Enhance "PRAGMA table_info" to that it provides information about eponymous virtual tables. (check-in: 53a1e5d5 user: drh tags: trunk)
2016-06-08
18:07
Prefer to use partial indexes for full table scans when that is possible. (check-in: fe187432 user: drh tags: trunk)
14:04
Add the "dbhash.exe" utility program that computes a SHA1 hash over the invariant content of an SQLite database file. Free space in the file, the page size, auto_vacuum status, text encoding, and so forth do not change the hash. Only the content matters. (check-in: f48a4ad3 user: drh tags: trunk)
13:59
Fix an undersized buffer in the SHA1 implementation. (Closed-Leaf check-in: fb276815 user: drh tags: dbhash)
13:49
Fix the dbhash utility so that it ignores the root page number when hashing the sqlite_master table. Add new command-line options. Add the ability to hash multiple databases with a single command. (check-in: 44f157e0 user: drh tags: dbhash)
01:03
An initial attempt at a "dbhash" command-line utility. (check-in: 2247649c user: drh tags: dbhash)
2016-06-07
20:25
Fix the walcrash4.test test module so that it works on windows. (check-in: 2091a4c9 user: drh tags: trunk)
2016-06-06
20:36
In winFullPathname, translate '/X:' to 'X:' before doing anything else. (check-in: e404ad70 user: mistachkin tags: trunk)
20:27
Translate filenames of the form "/c:/*" into just "c:/*" on WinRT and Cygwin. (SQLite has long done this for Win32/WinNT.) (check-in: f8470ffc user: drh tags: trunk)
18:17
Fix lempar.c so that the shift-reduce optimization works for error processing. This is a Lemon issue only and has no impact on SQLite. (check-in: 3665a2f5 user: drh tags: trunk)
13:24
Initialize the yyerrcnt variable in the lemon parser template. This has no effect on SQLite itself. (check-in: 45531654 user: drh tags: trunk)
01:54
Small performance boost and size decrease in sqlite3BtreeMovetoUnpacked(). (check-in: e106a77d user: drh tags: trunk)
01:48
Small performance improvement in the LIKE function. (check-in: 5fb0c354 user: drh tags: trunk)
01:14
Btree interface refactoring: (1) The sqlite3BtreeKeySize() interface is renamed to sqlite3BtreeIntegerKey() and modified to work only for table btrees with a rowid. (2) The sqlite3BtreeDataSize() interface is renamed to sqlite3BtreePayloadSize() and modified to work with any btree. (3) The sqlite3BtreeDataFetch() and sqlite3BtreeKeyFetch() routines are combined into a single sqlite3BtreePayloadFetch() routine. The result of these changes is a smaller binary and fewer CPU cycles needed to run queries. (check-in: 2d831074 user: drh tags: trunk)
2016-06-04
21:05
Improved comment on cursorOwnsBtShared(). No changes to code. (Closed-Leaf check-in: 5e269c2d user: drh tags: btree-refactor)
20:58
Fix a C99-ism and a compiler warning for MSVC. (check-in: aa53a36e user: drh tags: btree-refactor)
20:37
Change the sqlite3BtreeKeySize() interface into sqlite3BtreeIntegerKey() and make it only work for table btrees. Change sqlite3BtreeDataSize() into sqlite3BtreePayloadSize() and make it work for all btrees. Combine sqlite3BtreeDataFetch() and sqlite3BtreeKeyFetch() into a single sqlite3BtreePayloadFetch() routine. These changes seem to make the b-tree interface more rational and they reduce both binary size and CPU usage. (check-in: bef35e18 user: drh tags: btree-refactor)
17:12
Allocate KeyInfo objects from lookaside if possible. (check-in: b411107a user: drh tags: trunk)
16:33
Fix up speedtest1.c so that it will compile and run on SQLite versions prior to 3.6.18 (circa 2009-09-11). (check-in: 9583c0fb user: drh tags: trunk)
13:57
Remove an unreachable branch in the UNIQUE constraint parsing. (check-in: 313e990c user: drh tags: trunk)
2016-06-03
18:59
The OR optimization is usable on virtual tables with LIKE, REGEXP and/or GLOB terms in the WHERE clause. (check-in: fa3a89fc user: drh tags: trunk)
18:44
Add support for virtual tables using a WITHOUT ROWID schema. This merge also includes enhancements to the CSV extension, which is used for testing of the new WITHOUT ROWID virtual table mechanism. (check-in: aa7e9d0c user: drh tags: trunk)
18:21
Fix a memory leak when a WITHOUT ROWID eponymous virtual table is used. (Closed-Leaf check-in: 31b83a7d user: drh tags: without-rowid-vtab)
17:27
Disallow access to the rowid column on WITHOUT ROWID virtual tables. (check-in: d31c2597 user: drh tags: without-rowid-vtab)
01:01
Performance optimizations on the CSV virtual table. Disallow WITHOUT ROWID virtual tables that have an xUpdate method, for now. (check-in: 3134b326 user: drh tags: without-rowid-vtab)
2016-06-02
23:13
Add the CSV extension to the test fixture. Fix a memory leak in the CSV extension. Add test cases for the CSV extension, including one that uses a WITHOUT ROWID virtual table participating in the OR optimization. (check-in: 95f483e8 user: drh tags: without-rowid-vtab)