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Commit Graph

181 Commits

Author SHA1 Message Date
danielk1977
eaa06f6970 Avoid parsing the structure of b-tree pages (in sqlite3BtreeInitPage) more than is necessary. (CVS 5720) 
FossilOrigin-Name: 6b998f3066754e219c266501327e5578c9406b63
 2008-09-18 17:34:44 +00:00
drh
c890fec362 Bring test coverage up to 99%. (CVS 5522) 
FossilOrigin-Name: 2cd6bae80984126023bcf479e5f3db5eaa5c4134
 2008-08-01 20:10:08 +00:00
danielk1977
8c666b1666 Performance improvement: reduce the number of calls to ptrmapPageno() made by ptrmapPut() and ptrmapGet(). (CVS 5437) 
FossilOrigin-Name: d807fb271340901bbf3e06de23d91132422d1408
 2008-07-18 09:34:57 +00:00
drh
1688c86f5a Omit the check for cell-pointer consistency in sqlite3BtreeInitPage() 
for a 2.5% performance gain. (CVS 5433)

FossilOrigin-Name: b88087e69dffb743c5b552703e14a030349cf65b
 2008-07-18 02:44:17 +00:00
drh
44845221ed Simplify the b-tree logic by taking advantage of the fact that all b-trees 
are either intkey+leafdata or zerodata. (CVS 5431)

FossilOrigin-Name: 29d3bfd7c9a68078385354394052612bf812859b
 2008-07-17 18:39:57 +00:00
drh
e8f52c5089 Remove leftover debugging commands (breakpoint and btree_breakpoint) from 
test scripts. (CVS 5400)

FossilOrigin-Name: dcb160249fa2d592ad09b8b0052102dc44a93511
 2008-07-12 14:52:20 +00:00
drh
a34605859d Detect and handles the case where a row is modified or deleted while it 
is being read during SELECT processing. (CVS 5399)

FossilOrigin-Name: c80a5d09935c60a2a50bc262c172a94073355f0d
 2008-07-11 21:02:53 +00:00
drh
93a960a0a8 Remove unused code. Test coverage enhancements. Modify the algorithm used 
to select column names for VIEWs of joins so that the constructed column
names omits the underlying table names. (CVS 5386)

FossilOrigin-Name: 636cd723296a8b1709011fdd99b236ffddf3f1b0
 2008-07-10 00:32:42 +00:00
drh
f089aa459e Completely rework the sqlite3SetString() primitive so that it honors the 
SQLITE_LIMIT_LENGTH and avoids the use of strlen(). (CVS 5374)

FossilOrigin-Name: 8ed04b1e26a55306e4baf3e93fb084514134d603
 2008-07-08 19:34:06 +00:00
drh
e5ae5735c0 Continuing work on the new memory allocation subsystem. 
Added routines for temporary memory allocation.  Right the btree
balance mechanism to only do one temporary allocation at a time. (CVS 5220)

FossilOrigin-Name: 65fe7b62cfe7d11cd667681a64c96fe7b2fe5685
 2008-06-15 02:51:47 +00:00
shane
3f8d5cfcad Consolidated varint macro usage from btreeInt.h, vdbe.c, and vdbeaux.c into sqliteInt.h and made their use consistent. Slight improvements to varint32 macros. (CVS 5045) 
FossilOrigin-Name: 0d04ccd97841bbbda564cc6ae5da057ee3888fa3
 2008-04-24 19:15:09 +00:00
drh
a2c20e433b Make the sqlite3BtreeMoveto routine a no-op if the cursor is already pointing 
at the cell we are trying to move to. (CVS 4938)

FossilOrigin-Name: 9b567ab61e7542141b7bc9c3c053c2d1180da92d
 2008-03-29 16:01:04 +00:00
danielk1977
52ae7246c6 Have each {quote: BtShared} structure hang on to a buffer of just under page-size bytes for temporary use. This reduces the number of calls to malloc(). (CVS 4914) 
FossilOrigin-Name: fe1bc0f3b7cd87cd65f7d03b91095b59788a6f8d
 2008-03-25 14:24:56 +00:00
drh
1e968a0cbf Removed the direct btree tests - part of the ongoing effort to test by 
calling only public interfaces.  Modify the sqlite3VdbeRecordCompare
interface to used a pre-parsed second key - resulting in a 13%
performance improvement on speed1p.test. (CVS 4911)

FossilOrigin-Name: 0e1d84f2f456e7680bb667266745b629ddf3605f
 2008-03-25 00:22:21 +00:00
mlcreech
3a00f907a9 Various renames & cleanups to limit exported symbols on amalgamation build (CVS 4819) 
FossilOrigin-Name: 9c6694bb61a8ecdbfb2d05e5e05a8cc97b792240
 2008-03-04 17:45:01 +00:00
drh
a9121e4c8e Use 16-bit integers for indexing within a page in btree. Tighter 
bounds on the maximum number of cells within one page. (CVS 4796)

FossilOrigin-Name: 8fdbe4abab4e9c292111579b03471f68c1e855fb
 2008-02-19 14:59:35 +00:00
danielk1977
641b0f4ffa Fix for #2854. "BEGIN EXCLUSIVE" excludes other shared cache users from using the database. (CVS 4642) 
FossilOrigin-Name: 2e59b1d07ee422bd799b5b7aeea44ebc998d9481
 2007-12-21 04:47:25 +00:00
drh
e5fe690d75 In shared-cache mode, make sure the busy hander invoked is the 
busy handler associated with the database connection that caused
the lock contention in the first place. (CVS 4598)

FossilOrigin-Name: c9eb65912f61ce0a6b66fe253652a1827e46b12a
 2007-12-07 18:55:28 +00:00
drh
fb98264aab Fix for the sqlite3AbortOtherActiveVdbes() problem. (CVS 4328) 
FossilOrigin-Name: e40d40a5d41c491bef852a92e5846b273b206909
 2007-08-30 01:19:59 +00:00
drh
b1ab8ea7f3 More locking fixes. Now makes it all the way through quick.test. There 
are errors but no assertion faults.  Progress. (CVS 4319)

FossilOrigin-Name: 844d40b8379d3374130e2d94f6e32c2cda34e0ca
 2007-08-29 00:33:07 +00:00
drh
d0679edc7a Clean up the locking in the btree logic. (CVS 4316) 
FossilOrigin-Name: 967ab229af462a8ae663090ea36b4cc10e351653
 2007-08-28 22:24:34 +00:00
drh
97c8ec325d Bring the amalgamation builder up to date with the latest changes. 
Remove some vestigial code. (CVS 4303)

FossilOrigin-Name: 0ae30e5c76d9094307ea086a9993a953631ab9da
 2007-08-27 21:49:34 +00:00
drh
86f8c197dd Reenable the memory management logic. The quick.test script now runs with 
SQLITE_MEMDEBUG and SQLITE_ENABLE_MEMORY_MANAGEMENT. 7 minor errors. (CVS 4265)

FossilOrigin-Name: 1914044b8832041f13b20ead613bd13725425d7a
 2007-08-22 00:39:19 +00:00
drh
d677b3d688 Work toward multithreading support. Currently crashes quickly on a test. (CVS 4253) 
FossilOrigin-Name: 1315bd8e125602275fb718780f9b2730bd37f6ab
 2007-08-20 22:48:41 +00:00
drh
abddb0c8c4 Bug fix in BTree shared cache locking code. (CVS 4246) 
FossilOrigin-Name: 399d3e755253a7b4604a62b9f171e0f1154134e2
 2007-08-20 13:14:28 +00:00
drh
e53831d644 Begin adding mutexes. Compiles without SQLITE_OMIT_SHARED_CACHE but we 
get an assertion fault on the shared cache testing. (CVS 4239)

FossilOrigin-Name: 4c1e9ffebe7c611a8b6a89153ae97ab9bca19ea3
 2007-08-17 01:14:38 +00:00
drh
8030869589 Update the btree file format description in btreeInt.h. (CVS 4063) 
FossilOrigin-Name: 1ac160d3dc0f8723a1e2007cf45351dd8242c8c2
 2007-06-15 12:06:58 +00:00
danielk1977
1cc5ed8150 Change a few selected functions to macros to speed things up. (CVS 4015) 
FossilOrigin-Name: 93f811ec747f6a42daf9ee27cd8b013f248552a1
 2007-05-16 17:28:43 +00:00
danielk1977
246ad31db6 Omit some extra code when OMIT_INCRBLOB is defined. (CVS 4014) 
FossilOrigin-Name: 1d89be287d34423b1a405cde0490260e7c731f07
 2007-05-16 14:23:00 +00:00
drh
16a9b8363d Factor out btree test logic into a separate test_btree.c file. (CVS 3928) 
FossilOrigin-Name: d51274f1cc3a75f6a03e90259ce829ac1dacf78f
 2007-05-05 18:39:25 +00:00
drh
a315289571 Refactoring. Split btreeInt.h off from btree.c. Split malloc.c off from 
util.c.  Expect much more to follow. (CVS 3925)

FossilOrigin-Name: 16041116aaaa2d52a289aa02a24bef579ba60896
 2007-05-05 11:48:52 +00:00