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100 check-ins occurring around 291d9e0c328a7bd0.

2015-07-03
20:47
Rework the Fts5MultiSegIter structure a bit to make it more efficient. check-in: 0778825d user: dan tags: trunk
19:13
Speed up eof checks on fts5 cursors. check-in: 3df4af5d user: dan tags: trunk
17:54
Enable use of the __builtin_bswap32() only with GCC 4.3 and higher. check-in: 030f60a7 user: mistachkin tags: trunk
17:14
Avoid freeing the array of instance matches each time the fts5 xNext() method is called. check-in: b9b0c1e5 user: dan tags: trunk
14:34
New command-line options for speedtest1: --multithread, --nomemstat, --serialized, and --singlethread check-in: 2b756722 user: drh tags: trunk
2015-07-02
20:12
Copy fts5.h into the build directory as part of building fts5.c. Also remove code to edit fts5parse.c from various Makefiles and add it to mkfts5c.tcl. check-in: 4d8f03dc user: dan tags: trunk
19:47
When doing coverage analysis of a btree page for pragma integrity_check, make the first entry (that covers the header, cell index, and gap) implied, for a performance boost and size reduction. check-in: e53d497c user: drh tags: trunk
18:52
Minor change to mkfts5c.tcl so that fts5.c can be used according to the instructions in loadext.html. check-in: edbcccd3 user: dan tags: trunk
18:47
Merge in the latest enhancements from trunks, especially the use of _byteswap_ulong() and similar intrinsics on MSVC. check-in: 85ca4409 user: drh tags: sessions
18:16
Add fts5_source_id() SQL function, similar to sqlite_source_id(). check-in: ec257348 user: dan tags: trunk
16:52
Fix harmless compiler warnings and one macro VVA_ONLY macro usage issue. check-in: bcc8a755 user: mistachkin tags: trunk
16:50
Simplify FTS5 handling in the MSVC makefile. check-in: f022e043 user: mistachkin tags: trunk
16:29
Fix a (harmless) shadowed local variable definition in the integrity_check logic. check-in: 3a26a919 user: drh tags: trunk
16:17
Smaller and faster PRAGMA integrity_check that also does a better job of detecting errors. Some output text describing discovered file corruption has changed for clarity. check-in: 251a7590 user: drh tags: trunk
15:52
Remove "#ifdef SQLITE_ENABLE_FTS5" from individual fts5 source files. Add a single "#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5)" to fts5.c. check-in: 7819002e user: dan tags: trunk
01:38
Add the --shrink-memory option to the speedtest1 test program. check-in: c9ddbd88 user: drh tags: trunk
2015-07-01
19:59
Avoid create a stack from in sqlite3BackupUpdate() in the common case where the first argument is NULL. check-in: 2a897b9e user: drh tags: trunk
17:53
Simplification of PRAGMA integrity_check logic. Make sure that the depth of the right-most subtree is correct. Size reduction and performance increase, with no change in output. check-in: 550705fc user: drh tags: trunk
17:13
Rework the PRAGMA integrity_check logic. Simplify the checkTreePage() routine and clean up the error messages generated. Closed-Leaf check-in: 1c522123 user: drh tags: integrity-check-refactor
04:08
Fix some harmless compiler warnings. check-in: 307195c8 user: drh tags: trunk
01:31
Change integrity_check to analyze the cells of a page in reverse order, as this will tend to insert the cells into the analysis heap in increasing order by address, which is the most efficient way to load a min-heap. check-in: 59ad912c user: drh tags: trunk
2015-06-30
17:28
Make use of the _byteswap_ushort() and _byteswap_ulong() compiler intrinsics for MSVC, when available. check-in: fe144dd7 user: mistachkin tags: trunk
16:29
Merge all the latest enhancements from trunk. This merge include FTS5 and a number of notable performance enhancements. check-in: 39936b33 user: drh tags: sessions
15:10
Make use of built-in bswap32() and bswap16() functions in GCC/Clang for a significant performance improvement there. check-in: 8bfcda3d user: drh tags: trunk
14:01
Only use __builtin_bswap16() with GCC 4.8 and later. Closed-Leaf check-in: ce8177e3 user: drh tags: bswap-functions
13:28
Remove the use of htonl() in the previous check-in due to linkage issues. Add the get2byteAligned() macro and use it for access to the cell offsets on btree pages for about a 1% performance gain. check-in: 79ff36b7 user: drh tags: bswap-functions
12:47
Make use of htonl() and __builtin_bswap32() for faster implementations of sqlite3Get4byte() and sqlite3Put4byte(). check-in: bc27ebd7 user: drh tags: bswap-functions
11:07
Change an unreachable branch into an assert() in sqlite3PagerAcquire() and optimize sqlite3PcacheOpenSavepoint() by factoring out rarely used code into a subroutine. check-in: b406b20e user: drh tags: trunk
03:57
Optimization to the sqlite3PcacheFetch() logic. check-in: d9a0481c user: drh tags: trunk
03:34
Put all variable declarations for sqlite3PagerWrite() at the beginning of the block. Syntax only - no logic changes. check-in: a0fa6b3b user: drh tags: trunk
03:18
Implement sqlite3Strlen30() using strlen() from the C library. check-in: 8001aa52 user: drh tags: trunk
03:13
Change sqlite3ApiExit() so that its first argument is never NULL. check-in: 791b706e user: drh tags: trunk
02:47
Put BtCursor objects on a singly-linked list instead of a doubly-linked list. Add the BTCF_Multiple flag. Only invoke saveAllCursors() when using a cursor that has BTCF_Multiple set. check-in: 429ccef2 user: drh tags: trunk
01:25
Convert several 5-year-old and older NEVER() macros into assert(). check-in: ed54c14e user: drh tags: trunk
2015-06-29
23:01
From sqlite3BtreeInsert(), bypass the btreeMoveto() routine for table inserts and go directly to sqlite3BtreeMovetoUnpacked(). check-in: 53fe685d user: drh tags: trunk
20:53
Add a bypass path in sqlite3PagerWrite() for pages with the PGHDR_WRITEABLE bit set, for about a 1% performance increase. check-in: ba425a6a user: drh tags: trunk
19:08
Combine subjRequiresPage() and subjournalPage() into a single subjournalPageIfRequired() routine. check-in: 3b65eb56 user: drh tags: trunk
18:29
Add the PGHDR_WRITEABLE bit for PgHdr.flags which is used to distinguish between pages that are on the dirty list and pages that are safe to modify. check-in: 7c4ef7b7 user: drh tags: trunk
18:14
Fix over-length source code lines in pager.c. check-in: 14de3d39 user: drh tags: trunk
15:41
Fix minor problems in the ota demo application. check-in: 6aaaec6e user: dan tags: trunk
14:11
Simplifications and performance improvement in pager_write(). check-in: ab7aeeea user: drh tags: trunk
04:21
Add the new PGHDR_CLEAN bit to PgHdr.flags in pcache.c. This bit is always the opposite of PGHDR_DIRTY. Use the extra bit to avoid a comparison for a small performance boost. check-in: 8619fc34 user: drh tags: trunk
03:28
Very small size reduction and performance increase in sqlite3BitvecTest(). check-in: 9b3a7281 user: drh tags: trunk
00:52
Move an assert() and testcase() into their correct position within getAndInitPage(). check-in: 18115164 user: drh tags: trunk
00:21
Use tail recursion in pcache1Unpin() to get a small size reduction and speed improvement. check-in: fde70472 user: drh tags: trunk
2015-06-28
17:33
Comment typo fix and minor cleanup in the pager. No logic changes. check-in: 94ef1701 user: drh tags: trunk
02:58
Avoid unnecessary calls to sqlite3VdbeSerialTypeLen() for integer serial types, for a small size reduction and a speed increase. check-in: 9cd30d33 user: drh tags: trunk
2015-06-27
23:55
Make greater use of BtCursor.curIntKey. check-in: 63998471 user: drh tags: trunk
22:49
Add the BtCursor.curIntKey field and use it for a small size reduction and performance boost. check-in: 4a17df13 user: drh tags: trunk
20:55
Enhancements to the previous check-in to make it a little smaller and faster. check-in: 291d9e0c user: drh tags: trunk
19:45
Performance improvements in moveToChild() by shifting some work over to getAndInitPage(). Net improvement is about 800K cycles at cost of 30 bytes. check-in: 1956a4ce user: drh tags: trunk
15:51
Manually inline the call from getAndInitPage() to btreeGetPage() for a savings of 2.5 million cycles at a cost of less than 100 bytes. check-in: 7f65b96b user: drh tags: trunk
14:59
Add releasePageNotNull() as an alternative to releasePage() when the argument is guaranteed to be non-NULL, and use it for a small performance gain. check-in: 9383a688 user: drh tags: trunk
03:58
Add the Mempage.aDataOfst field and use it in sqlite3BtreeMovetoUnpacked() for about a 2 million cycle gain. check-in: bee94dc3 user: drh tags: trunk
2015-06-26
20:45
Treat compilation of FTS5 for the loadable extension specially with MSVC. check-in: 7c610276 user: mistachkin tags: trunk
20:25
Merge fts5 branch into trunk. check-in: d27d9965 user: dan tags: trunk
20:14
Merge latest trunk with this branch. Closed-Leaf check-in: 8671b9e1 user: dan tags: fts5
20:13
Remove unnecessary lines from fts3.h and main.mk. check-in: c1b268ce user: dan tags: fts5
20:08
Fix a segfault that could follow an OOM error in fts5. check-in: 713239b8 user: dan tags: fts5
19:43
Small size reduction and performance increase on the OP_IdxInsert opcode. check-in: b6bedc2e user: drh tags: trunk
19:33
Merge latest trunk changes with this branch. check-in: 2a1af0f2 user: dan tags: fts5
18:50
Fix some cases in the fts5 code where a corrupt database could cause a buffer overread. check-in: 360c57bb user: dan tags: fts5
18:47
Further optimization of SQL function dispatch. Improvements to opcode documentation. check-in: eaddbf29 user: drh tags: trunk
18:16
Cache the sqlite3_context structure in the P4 operand of VDBE programs for faster SQL function dispatch. check-in: 2abc44eb user: drh tags: trunk
17:10
Merge changes to get FTS5 working with MSVC. check-in: 954231d2 user: mistachkin tags: fts5
16:55
Merge upstream changes. Get the test fixture working with FTS5. Fix compiler warnings. Closed-Leaf check-in: bfcd1608 user: mistachkin tags: fts5Msvc
16:42
Remove fts5 initialization code from core file main.c. check-in: c91a93b3 user: dan tags: fts5
16:17
Add FTS5 DLL target for MSVC. check-in: be85b824 user: mistachkin tags: fts5Msvc
13:31
Cache the most recently sqlite3_context used by OP_Function and reuse it on subsequent calls, if appropriate. This gives a noticable performance boost. Closed-Leaf check-in: 2f31bdd1 user: drh tags: function-ctx-cache
04:34
Initial changes to get FTS5 working with MSVC. check-in: ef2052f8 user: mistachkin tags: fts5Msvc
03:12
Fix harmless compiler warning in assert statement. check-in: 7097716c user: mistachkin tags: trunk
02:41
Simplify the pcache by not keeping continuous track of page 1 but instead just loading page 1 on the rare occasions when it is actually needed. check-in: 015302f1 user: drh tags: trunk
2015-06-25
23:52
Optimization to sqlite3_value_bytes() for the common case that does not require a data transformation. check-in: 8d79f3a1 user: drh tags: trunk
20:36
Fix Makefile.in to account for recent changes. Update fts5 test scripts so that they do not run if SQLITE_ENABLE_FTS5 is not defined. check-in: 31752207 user: dan tags: fts5
20:16
Merge latest trunk changes into this branch. check-in: fcd8f7ce user: dan tags: fts5
20:10
Add a script to combine all fts5 code into a single file - fts5.c - that can be used to build an SQLite loadable extension. check-in: 46e86b06 user: dan tags: fts5
19:53
Simplifications and performance improvements in insertCell(). check-in: 7d02e6c9 user: drh tags: trunk
18:36
More simplifications and performance improvements to cell allocation logic associated with allocateSpace(). check-in: 78da0f69 user: drh tags: trunk
16:01
Reorder the terms of a conditional for a small performance gain. check-in: d67b0ed1 user: drh tags: trunk
15:44
Merge all the latest enhancements from trunk. check-in: 924f4712 user: drh tags: sessions
15:21
Remove a NEVER() that is in fact reachable. check-in: f824e66b user: drh tags: trunk
15:04
Minor optimization to allocateSpace(). check-in: d007bc33 user: drh tags: trunk
13:03
Enhance the Btree object to remember whether or not it is holding an Incrblob cursor. Use this knowledge to improve performance in the common case where it does not. check-in: 476b1156 user: drh tags: trunk
02:26
Remove a line of code that doesn't do any useful work. check-in: 3ee888be user: drh tags: trunk
02:25
Increase the default timeout on fuzzcheck to 120 seconds - sufficient for running under valgrind on a slow workstation. check-in: fad0eacc user: drh tags: trunk
2015-06-24
23:44
Add the --timeout option to fuzzcheck. check-in: a8f4f7fa user: drh tags: trunk
23:17
Fix fuzzcheck so that it works with SQLITE_OMIT_PROGRESS_CALLBACK. check-in: 7a9c4eb3 user: drh tags: trunk
18:22
Add "ON CONFLICT" handling to the spellfix module. check-in: 07937a81 user: drh tags: trunk
17:21
Add "ON CONFLICT" handling to the spellfix module. Closed-Leaf check-in: 1d04def7 user: dan tags: spellfix-constraints
14:45
In the fuzzcheck test program, use the progress handler to limit the number of VDBE cycles to avoid getting stuck if the SQL under test contains an infinite CTE loop. Add the --limit-vdbe command-line option. check-in: fbf9c432 user: drh tags: trunk
14:36
Fix the progress handler so that it does not fire too soon during an sqlite3_step() call other than the first. check-in: b41ef5d6 user: drh tags: trunk
13:32
Fix a harmless compiler warning. check-in: 3b6fa95e user: drh tags: trunk
13:25
Rig the fuzzcheck test program so that it times out after 10 seconds in case of an infinite loop in the test case. check-in: 659cfc9d user: drh tags: trunk
13:05
Update the database fuzz test cases to cover all recent findings. check-in: 47ba7d96 user: drh tags: trunk
12:44
Add the --rebuild object to fuzzcheck. check-in: db87664a user: drh tags: trunk
12:24
Prevent an infinite loop while searching a corrupt freelist. check-in: 4e5424fe user: drh tags: trunk
12:07
Strengthen the new balance_nonroot() code against various corrupt database problems. check-in: 5ba98343 user: drh tags: trunk
10:46
Adjustment to a malloc test so that it accepts a narrow range of values to account for variations in malloc subsystems. check-in: e0195070 user: drh tags: trunk
01:07
Remove an invalid NEVER() and add a test case to cover it. check-in: 14b73d20 user: drh tags: trunk
00:05
Performance optimization on balance_nonroot() and related routines. 2.6% faster overall with a size increase of less than 750 bytes. check-in: 25131e70 user: drh tags: trunk