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f32fa3116b
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14168 Commits

Author SHA1 Message Date
dan
f32fa3116b Merge latest trunk changes into this branch. 
FossilOrigin-Name: fcd8f7ce601729dc51d880d16b97040c1be16aa2
 2015-06-25 20:16:23 +00:00
dan
ed2589f555 Add a script to combine all fts5 code into a single file - fts5.c - that can be used to build an SQLite loadable extension. 
FossilOrigin-Name: 46e86b0637248fb4d623c97778cc041eabe3636c
 2015-06-25 20:10:24 +00:00
drh
2c8fb926da Simplifications and performance improvements in insertCell(). 
FossilOrigin-Name: 7d02e6c992ef92e1f77ebc13889e17c028454b06
 2015-06-25 19:53:48 +00:00
drh
b7580e84a8 More simplifications and performance improvements to cell allocation 
logic associated with allocateSpace().

FossilOrigin-Name: 78da0f69cb3289e332018864004f319f2764a5c8
 2015-06-25 18:36:13 +00:00
drh
e674bf1648 Reorder the terms of a conditional for a small performance gain. 
FossilOrigin-Name: d67b0ed1054cbb7ea2cdd74720d4d6e0227cec14
 2015-06-25 16:01:44 +00:00
drh
ae6cd72318 Remove a NEVER() that is in fact reachable. 
FossilOrigin-Name: f824e66b0dc120bed227c7446e2663fcad7cc4f6
 2015-06-25 15:21:52 +00:00
drh
ded340e4fc Minor optimization to allocateSpace(). 
FossilOrigin-Name: d007bc339b9ea6d59a3dd2b0c5e77e9c801b16f6
 2015-06-25 15:04:56 +00:00
drh
6918095d81 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.

FossilOrigin-Name: 476b11563c08c6d9c0abd69e4d865c4edcdd45f5
 2015-06-25 13:03:10 +00:00
drh
526b17db13 Remove a line of code that doesn't do any useful work. 
FossilOrigin-Name: 3ee888beb974e015bd11ae79381b208eaa310f6f
 2015-06-25 02:26:45 +00:00
drh
d4ddcbc121 Increase the default timeout on fuzzcheck to 120 seconds - sufficient for 
running under valgrind on a slow workstation.

FossilOrigin-Name: fad0eacc64b1810f60cab73bc88ba380f99e4b2d
 2015-06-25 02:25:28 +00:00
drh
92298637ca Add the --timeout option to fuzzcheck. 
FossilOrigin-Name: a8f4f7fa99e5e4131c1b59c0ac0597d62cedc0cd
 2015-06-24 23:44:30 +00:00
drh
780573510b Fix fuzzcheck so that it works with SQLITE_OMIT_PROGRESS_CALLBACK. 
FossilOrigin-Name: 7a9c4eb30e6a834da20931b535c2894837d7d5d7
 2015-06-24 23:17:35 +00:00
drh
619a111e05 Add "ON CONFLICT" handling to the spellfix module. 
FossilOrigin-Name: 07937a81c6c90eb7491a843eb65183805f5b675e
 2015-06-24 18:22:51 +00:00
dan
88d702e6bd Add "ON CONFLICT" handling to the spellfix module. 
FossilOrigin-Name: 1d04def785b6031de68b7f199d400cbb5c76caea
 2015-06-24 17:21:52 +00:00
drh
d83e2831b7 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.

FossilOrigin-Name: fbf9c4325e98120914bb03bdf351b57643f7a8c8
 2015-06-24 14:45:44 +00:00
drh
6cbbdb08f8 Fix the progress handler so that it does not fire too soon during an 
sqlite3_step() call other than the first.

FossilOrigin-Name: b41ef5d6db107cac2b1b46a955e63414434ee976
 2015-06-24 14:36:27 +00:00
drh
c6e956f038 Fix a harmless compiler warning. 
FossilOrigin-Name: 3b6fa95eebfa01703d9ef4f530674d17e965c512
 2015-06-24 13:32:10 +00:00
drh
94701b048a Rig the fuzzcheck test program so that it times out after 10 seconds in case 
of an infinite loop in the test case.

FossilOrigin-Name: 659cfc9d1e9db83db171d621f248a7c2a5b183f6
 2015-06-24 13:25:34 +00:00
drh
45143e9d31 Update the database fuzz test cases to cover all recent findings. 
FossilOrigin-Name: 47ba7d96b1b91858ef1b592374839bc820719b95
 2015-06-24 13:05:18 +00:00
drh
9a64586864 Add the --rebuild object to fuzzcheck. 
FossilOrigin-Name: db87664a224f44e01b85570a3f3b6ec1c81d6e0a
 2015-06-24 12:44:42 +00:00
drh
9e7804dfd4 Prevent an infinite loop while searching a corrupt freelist. 
FossilOrigin-Name: 4e5424fe89eed346f6cf26a05c72694d1eb9f58f
 2015-06-24 12:24:03 +00:00
drh
672073a41b Strengthen the new balance_nonroot() code against various corrupt database 
problems.

FossilOrigin-Name: 5ba983432069714afebbb2f0ef22d41be52f7a4c
 2015-06-24 12:07:40 +00:00
drh
40a3cabe68 Adjustment to a malloc test so that it accepts a narrow range of values to 
account for variations in malloc subsystems.

FossilOrigin-Name: e0195070f84f418c46698627a2dcbfcfb94d999c
 2015-06-24 10:46:25 +00:00
drh
b468ce1256 Remove an invalid NEVER() and add a test case to cover it. 
FossilOrigin-Name: 14b73d201509d3c04f760a08d21f3c499f2870a8
 2015-06-24 01:07:30 +00:00
drh
9c739e26da Performance optimization on balance_nonroot() and related routines. 
2.6% faster overall with a size increase of less than 750 bytes.

FossilOrigin-Name: 25131e7062125e91c2d60ed2cadf134dd7609124
 2015-06-24 00:05:45 +00:00
drh
2ec18a3cce Mark some branches as unreachable after the recent change that recognizes 
mismatch result set sizes on compound SELECT statements sooner.

FossilOrigin-Name: c8d1f305b6e9dfc36b8e3f4ab92de4457884d903
 2015-06-23 23:31:52 +00:00
drh
ea82b37302 Testability improvement. 
FossilOrigin-Name: eed6a3314518cdab809264284d7680385f0d5d2a
 2015-06-23 21:35:28 +00:00
dan
51ef0f57c7 Improve test coverage of fts5. 
FossilOrigin-Name: df5ccea80e8f0da83af5e595b539687006085120
 2015-06-23 18:47:55 +00:00
drh
fe647dc9ee Multiple overflow cells are always adjacent and sequential. Exploit this 
invariant for a small size reduction and performance increase and add
assert()s to prove the invariant.

FossilOrigin-Name: f77f2f48f48e374a72b6c054142f7a3ec0b1483c
 2015-06-23 18:24:25 +00:00
drh
4f4bf7747a Faster loading of cell pointers into the b.apCell array in balance_nonroot. 
FossilOrigin-Name: fda89b0512477f9da09fd0f4e548ed4b13efd49d
 2015-06-23 17:09:53 +00:00
drh
008d64c23a Avoid unnecessary cachedCellSize() calls in the cell partition adjustment 
phase of balance_nonroot().

FossilOrigin-Name: 6319ee1256b1f7c39dd39a536a39b77b3d10dcac
 2015-06-23 16:00:24 +00:00
drh
f783893b8d Change pageInsertArray() and pageFreeArray() so that they use the CellArray 
object and compute cell sizes as needed, resulting in smaller and faster code.

FossilOrigin-Name: f7f41818119bb7bfbd1f1297d294b32f32769cd3
 2015-06-23 15:36:34 +00:00
dan
c94a08100b Merge latest trunk changes with this branch. Add tests for columnsize=0. 
FossilOrigin-Name: ef44c71a22518727030dd90c0139af8973b05841
 2015-06-23 15:06:13 +00:00
drh
4edfdd38fb Improvements to the way balance_nonroot() constructs the b.apCell array of 
pointers to cells.

FossilOrigin-Name: ee44bb25b2a88e25ba2afe37cf03ba199692a3a0
 2015-06-23 14:49:42 +00:00
drh
a2306712f2 Merge the compound SELECT operator fix from trunk. 
FossilOrigin-Name: a7be554f4b8534fc237fa4c6defc38fcd4049707
 2015-06-23 13:02:10 +00:00
dan
923cadb1ae Test that the left and right sides of a compound SELECT operator have the same number of expressions in the expanded expression list before beginning to generate code. 
FossilOrigin-Name: 4df852ce26c95d5d23c83dbe9c59d2c3435acddf
 2015-06-23 12:19:55 +00:00
drh
1ffd247c0c Avoid computing cell sizes in balance_nonroot() until they are really needed. 
This gives an overall 1.7% performance gain for about 1000 extra bytes of
code space.

FossilOrigin-Name: 43844537e8a372953386663f8177202901ba7566
 2015-06-23 02:37:30 +00:00
drh
658873bdb3 Change the way that balance_nonroot() partitions cells between the sibling 
pages such that a scan of the cell size array is not required.

FossilOrigin-Name: 168728715156d756ac8c0df45710d054eee027ec
 2015-06-22 20:02:04 +00:00
drh
82c4f9b407 Update the fuzztest data using the latest test vectors discovered by AFL. 
FossilOrigin-Name: b97f9cf73e503c7285ba3a801e1f932f222d96b2
 2015-06-20 14:11:56 +00:00
drh
5f02ab0976 Make sure that the likelihood() function does not mess up generation of 
result-set code when it is used (inappropropriately) in a result-set 
expression.

FossilOrigin-Name: 7cdbae625eb029538a693d2bebec465a6f65fb90
 2015-06-20 13:18:34 +00:00
drh
b11b0efde6 Performance improvements in btreeParseCell() by inlining the varint decoder. 
FossilOrigin-Name: 172a864d14fd9f0e3e97d2a13b22222ae0fedd39
 2015-06-19 20:31:02 +00:00
drh
eeab2c63a9 Fix corner cases involving corrupt varint values in record headers. 
FossilOrigin-Name: 3189116b42c5ecef5e30c8b317f4458bbf8b9086
 2015-06-19 20:08:39 +00:00
drh
56cb04efc8 Performance improvements in btreeParseCell() by inlining the varint decoder. 
FossilOrigin-Name: faab0ed928074f3ec7c25e1a2058414fbd9b013c
 2015-06-19 18:24:37 +00:00
drh
5fa605142f Add the MemPage.xParseCell method and provide various implementations 
(variations on the former btreeParseCellPtr()) depending on the page type.

FossilOrigin-Name: 41d03d883c4f7ca279eb9dd679f3ab81c8d957d9
 2015-06-19 17:19:34 +00:00
drh
25ada07ab4 Make cellSizePtr() a method on the MemPage object, with alternative 
implementations depending on the page type.  This results is a small performance
improvement and size reduction.

FossilOrigin-Name: 02f7e9d7d7b93d0b6bbd6cc0d0359b3b741b9931
 2015-06-19 15:07:14 +00:00
drh
4307690b5c Further #ifdef changes in speedtest1.c in order to support SQLite back to 
version 3.3.9 and perhaps even earlier.

FossilOrigin-Name: 9246eca54adaee571dab0c066afaa604fcf9c44f
 2015-06-18 15:26:09 +00:00
drh
606f2344e9 Pervent the likelihood() function from moving ON clause terms of a LEFT JOIN 
into the WHERE clause.
Fix for ticket [5f60b11fc8e23490e2]

FossilOrigin-Name: ed96e14adce4a4f94cc6838c46bc97937c4cb72a
 2015-06-18 14:32:51 +00:00
drh
b3d903ebe5 Show the values of Expr.flag in the AST of ".selecttrace" 
FossilOrigin-Name: a84d1004cbee67f2b8ba1fd201e43af49ea67c1b
 2015-06-18 14:09:13 +00:00
drh
5995e292e6 Add #ifdefs to some features speedtest1.c so that it compiles with 
older versions of SQLite, going back to version 3.5.1.

FossilOrigin-Name: f50dd154d33c58d7a9aa1852fdc362c2e81feef2
 2015-06-18 12:37:32 +00:00
drh
14e067455e Performance improvement in sqlite3VdbeMemShallowCopy() for the common 
case where the receiver does not require prior resource deallocation.

FossilOrigin-Name: d718ea36dce8cf1684c8bcda457fee87f8f8c4e2
 2015-06-17 23:28:03 +00:00