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Author SHA1 Message Date
drh
59b4bd4840 Merge all the latest enhancements from trunk. This merge include FTS5 
and a number of notable performance enhancements.

FossilOrigin-Name: 39936b33b0668aad81aa574d4d74c92b0ddd218a
 2015-06-30 16:29:59 +00:00
drh
da6d3e2117 Make use of built-in bswap32() and bswap16() functions in GCC/Clang for a 
significant performance improvement there.

FossilOrigin-Name: 8bfcda3d10aec864d71d12a1248c37e4db6f8899
 2015-06-30 15:10:29 +00:00
drh
ad265296ff Only use <nowiki>__builtin_bswap16()</nowiki> with GCC 4.8 and later. 
FossilOrigin-Name: ce8177e3e64d2ac4cd5d9e7757cdd5fcecd7d0ea
 2015-06-30 14:01:20 +00:00
drh
329428e208 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.

FossilOrigin-Name: 79ff36b7170c9e7e7a9935c8b9d1665867771087
 2015-06-30 13:28:18 +00:00
drh
5372e4d4f9 Make use of htonl() and <nowiki>__builtin_bswap32()</nowiki> for faster 
implementations of sqlite3Get4byte() and sqlite3Put4byte().

FossilOrigin-Name: bc27ebd7f73e9fc8e00da6ec82632e439fcce812
 2015-06-30 12:47:09 +00:00
drh
3169906d06 Change an unreachable branch into an assert() in sqlite3PagerAcquire() 
and optimize sqlite3PcacheOpenSavepoint() by factoring out rarely used code
into a subroutine.

FossilOrigin-Name: b406b20ecdf0bff63c5c222fab11cb9acee86765
 2015-06-30 11:07:32 +00:00
drh
d8c0ba3b02 Optimization to the sqlite3PcacheFetch() logic. 
FossilOrigin-Name: d9a0481ce0fd9824b1566f182d68ec46ef091b1b
 2015-06-30 03:57:59 +00:00
drh
50642b1deb Put all variable declarations for sqlite3PagerWrite() 
at the beginning of the block.  Syntax only - no logic changes.

FossilOrigin-Name: a0fa6b3ba59716e53b8c035b497602050ed0ccb8
 2015-06-30 03:34:13 +00:00
drh
1116bf1359 Implement sqlite3Strlen30() using strlen() from the C library. 
FossilOrigin-Name: 8001aa52bd12f900092387fe3571463e89efd977
 2015-06-30 03:18:33 +00:00
drh
597d2b6412 Change sqlite3ApiExit() so that its first argument is never NULL. 
FossilOrigin-Name: 791b706ec6c3e80885666e48e01524f0e9a7557e
 2015-06-30 03:13:47 +00:00
drh
27fb746cde 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.

FossilOrigin-Name: 429ccef2b36fc46e92914eb54afd5f800b1a40ff
 2015-06-30 02:47:36 +00:00
drh
98ef0f6c48 Convert several 5-year-old and older NEVER() macros into assert(). 
FossilOrigin-Name: ed54c14ea8a72d69d69e0c0d7f6936f54efc04c2
 2015-06-30 01:25:52 +00:00
drh
207c817365 From sqlite3BtreeInsert(), bypass the btreeMoveto() routine for table inserts 
and go directly to sqlite3BtreeMovetoUnpacked().

FossilOrigin-Name: 53fe685d56368af78238c8981cc41704929f7660
 2015-06-29 23:01:32 +00:00
drh
b34755308c Add a bypass path in sqlite3PagerWrite() for pages with the PGHDR_WRITEABLE 
bit set, for about a 1% performance increase.

FossilOrigin-Name: ba425a6abb9886e6af87b5f6205202db450beba8
 2015-06-29 20:53:18 +00:00
drh
60e32edba5 Combine subjRequiresPage() and subjournalPage() into a single 
subjournalPageIfRequired() routine.

FossilOrigin-Name: 3b65eb56c422855ca47f709247205f0c77d98a5c
 2015-06-29 19:08:18 +00:00
drh
1aacbdb374 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.

FossilOrigin-Name: 7c4ef7b7c8744af19075bb96d1e0b63e35978ed1
 2015-06-29 18:29:10 +00:00
drh
e399ac2e1e Fix over-length source code lines in pager.c. 
FossilOrigin-Name: 14de3d39267a4005a0fa900bab4adc4c104e4084
 2015-06-29 18:14:02 +00:00
dan
ef648698c8 Fix minor problems in the ota demo application. 
FossilOrigin-Name: 6aaaec6e63cdf713b0d67e24a892088ff251c82a
 2015-06-29 15:41:50 +00:00
drh
82ef8775c7 Simplifications and performance improvement in pager_write(). 
FossilOrigin-Name: ab7aeeead395a05b91a921ef9ebe9252fffad667
 2015-06-29 14:11:50 +00:00
drh
c78ae916b9 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.

FossilOrigin-Name: 8619fc346d9a5a66a3c4566b4cc032b6b6bf73fd
 2015-06-29 04:21:15 +00:00
drh
234a93fc9c Very small size reduction and performance increase in sqlite3BitvecTest(). 
FossilOrigin-Name: 9b3a7281bd45994edf813a687e4b7a0761697929
 2015-06-29 03:28:43 +00:00
drh
325d087aa7 Move an assert() and testcase() into their correct position within 
getAndInitPage().

FossilOrigin-Name: 18115164e12509ec21f34598089a7f1310048819
 2015-06-29 00:52:33 +00:00
drh
95c91e145a Use tail recursion in pcache1Unpin() to get a small size reduction and 
speed improvement.

FossilOrigin-Name: fde70472aebc09b34a517131f676e6847d02b747
 2015-06-29 00:21:00 +00:00
drh
b84c14d07c Comment typo fix and minor cleanup in the pager. No logic changes. 
FossilOrigin-Name: 94ef17012855b7be725594c34bcea75f34c40190
 2015-06-28 17:33:11 +00:00
drh
c5ef7151b0 Avoid unnecessary calls to sqlite3VdbeSerialTypeLen() for integer 
serial types, for a small size reduction and a speed increase.

FossilOrigin-Name: 9cd30d33b1d02dc8c55c1d74bdbcefab63ebf2a7
 2015-06-28 02:58:51 +00:00
drh
c75d886b05 Make greater use of BtCursor.curIntKey. 
FossilOrigin-Name: 63998471d023dd846d5583ac856e2acc47ad41ea
 2015-06-27 23:55:20 +00:00
drh
408efc0664 Add the BtCursor.curIntKey field and use it for a small size reduction and 
performance boost.

FossilOrigin-Name: 4a17df139ac41e29c9a2e58afbd1238a5e94bd36
 2015-06-27 22:49:10 +00:00
drh
15a0021b3e Enhancements to the previous check-in to make it a little smaller and faster. 
FossilOrigin-Name: 291d9e0c328a7bd0f255b0b7e819ca2c909701a3
 2015-06-27 20:55:00 +00:00
drh
28f58dd60e Performance improvements in moveToChild() by shifting some work over 
to getAndInitPage().  Net improvement is about 800K cycles at cost of 30 bytes.

FossilOrigin-Name: 1956a4ce8eca650d98a7f68fd2d82eb8a3d6069f
 2015-06-27 19:45:03 +00:00
drh
375beb0ec0 Manually inline the call from getAndInitPage() to btreeGetPage() for a 
savings of 2.5 million cycles at a cost of less than 100 bytes.

FossilOrigin-Name: 7f65b96b4017413bd19624570efe8fb2b0f7b991
 2015-06-27 15:51:06 +00:00
drh
bbf0f867d2 Add releasePageNotNull() as an alternative to releasePage() when the argument 
is guaranteed to be non-NULL, and use it for a small performance gain.

FossilOrigin-Name: 9383a688701ac2c366a308efc287c9c0f8977d4e
 2015-06-27 14:59:26 +00:00
drh
f44890a7c4 Add the Mempage.aDataOfst field and use it in sqlite3BtreeMovetoUnpacked() 
for about a 2 million cycle gain.

FossilOrigin-Name: bee94dc3510745ba2efa044e8f3299793cfc7e34
 2015-06-27 03:58:15 +00:00
mistachkin
95ae9587f1 Treat compilation of FTS5 for the loadable extension specially with MSVC. 
FossilOrigin-Name: 7c610276bb41dbc80fe169d35fe9a3a3f6525635
 2015-06-26 20:45:43 +00:00
dan
ef4f75637c Merge fts5 branch into trunk. 
FossilOrigin-Name: d27d9965b5404cd32be1113215fd9feeb5b66acc
 2015-06-26 20:25:59 +00:00
dan
55296c5470 Merge latest trunk with this branch. 
FossilOrigin-Name: 8671b9e137275d247e67e3d7d5d9c4cb1f380ff7
 2015-06-26 20:14:23 +00:00
dan
018a93d216 Remove unnecessary lines from fts3.h and main.mk. 
FossilOrigin-Name: c1b268ced38259706674ed2fcbf842d3fbd9fb8c
 2015-06-26 20:13:56 +00:00
dan
6394d99a0e Fix a segfault that could follow an OOM error in fts5. 
FossilOrigin-Name: 713239b8cf2900e8f7d97646c7f350248b4e804f
 2015-06-26 20:08:25 +00:00
drh
abb78fbd88 Small size reduction and performance increase on the OP_IdxInsert opcode. 
FossilOrigin-Name: b6bedc2e9c2f87709673799db9401b95fdb386b0
 2015-06-26 19:43:55 +00:00
dan
ca0a30cd05 Merge latest trunk changes with this branch. 
FossilOrigin-Name: 2a1af0f29e4c387721ec1fb3a2b55e8605b8401d
 2015-06-26 19:33:04 +00:00
dan
6fbeb22596 Fix some cases in the fts5 code where a corrupt database could cause a buffer overread. 
FossilOrigin-Name: 360c57bbb8bad6cc84af140f61e0282fa06462b4
 2015-06-26 18:50:29 +00:00
drh
e2d9e7cfd0 Further optimization of SQL function dispatch. Improvements to opcode 
documentation.

FossilOrigin-Name: eaddbf296aee98ffca82adade1b0d2fbefd09d7b
 2015-06-26 18:47:53 +00:00
drh
9c7c913cd6 Cache the sqlite3_context structure in the P4 operand of VDBE programs 
for faster SQL function dispatch.

FossilOrigin-Name: 2abc44eb3b9d489321baa50bc25e17dafbda3687
 2015-06-26 18:16:52 +00:00
mistachkin
ec6c0c6e6f Merge changes to get FTS5 working with MSVC. 
FossilOrigin-Name: 954231d29d60460d423ecb132bbfb725b0ea375a
 2015-06-26 17:10:12 +00:00
mistachkin
a468027c8d Merge upstream changes. Get the test fixture working with FTS5. Fix compiler warnings. 
FossilOrigin-Name: bfcd16089cf8c65130c011a9718bf7812685c841
 2015-06-26 16:55:55 +00:00
dan
eb37567fe2 Remove fts5 initialization code from core file main.c. 
FossilOrigin-Name: c91a93b343b4d3b1a19afdb5d23d1c508f9779d2
 2015-06-26 16:42:17 +00:00
mistachkin
b39e8cf239 Add FTS5 DLL target for MSVC. 
FossilOrigin-Name: be85b82499f63dce4378f29adf8366651e965325
 2015-06-26 16:17:36 +00:00
mistachkin
ed52f9ff48 Initial changes to get FTS5 working with MSVC. 
FossilOrigin-Name: ef2052f81e33ca98e85a60f8a78cdd19a7c1c35c
 2015-06-26 04:34:36 +00:00
mistachkin
68cdd0eda2 Fix harmless compiler warning in assert statement. 
FossilOrigin-Name: 7097716caed9d4aef49c7e766e41ea74abf5967f
 2015-06-26 03:12:27 +00:00
drh
39065c60b3 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.

FossilOrigin-Name: 015302f15e46a087ec92f3644c6741600dbf4306
 2015-06-26 02:41:31 +00:00
drh
591909c344 Optimization to sqlite3_value_bytes() for the common case that does not 
require a data transformation.

FossilOrigin-Name: 8d79f3a1443391bee204bb8c49240f44477168db
 2015-06-25 23:52:48 +00:00