a1f7c0a21c
Enhance the sqlite3VdbeRecordCompare() routines so that if they encounter
...
database corruption, they will set the UnpackedRecord.isCorrupt field and
return 0. The sqlite3BtreeMovetoUnpacked() routine detects this and returns
SQLITE_CORRUPT, causing the corruption to be reported back to the top-level.
FossilOrigin-Name: 7fa85eaaaf6d211378620d728a759fdfe30a15b0
2014-03-28 03:12:48 +00:00
27de5c5cb6
Minor cleanup of the code in the query planner that computes the costs
...
estimates for the various plans. There are no changes to the costs at this
time. But the code is slightly more readable now and that might facilitate
future enhancements.
FossilOrigin-Name: 9b4d7226bcee38be5ac68a54bee03b4179cb69fc
2014-03-27 18:36:34 +00:00
382bdeabef
Enhance the logest.c utility with new operators: "dup", "inv", "log", and
...
"nlogn". Provide help on an invalid input.
FossilOrigin-Name: b4bd2a062c4baf5f622d61b7411f00de5904ef56
2014-03-27 14:05:38 +00:00
68916c9fd3
Add an extra test case for the potential buffer overread patched by [28ddecff04].
...
FossilOrigin-Name: f585f5d7a0f9bf8c590388654a3638231eba8892
2014-03-26 15:14:59 +00:00
d9c131c366
Add a test case to verify that the previous change avoids excess buffer
...
overread in sqlite3VdbeRecordCompare().
FossilOrigin-Name: 2b28e8d582cf10936fa1faca04a16ca2eeead66f
2014-03-26 15:05:56 +00:00
182ea4e324
Earlier detection of corruption in sqlite3VdbeRecordCompare() in order to
...
avoid a potential buffer overread.
FossilOrigin-Name: 28ddecff044dbc2dff50a7d8406ab67dfe06587f
2014-03-26 14:51:07 +00:00
e2ac506704
Add an assert() and a comment to clarify the operation of the
...
vdbeRecordCompareInt() routine.
FossilOrigin-Name: 851abdb8fd9b5a8a6ce21db53d30dbac3c430cc7
2014-03-26 12:02:38 +00:00
5e8980ddb1
Adjust the repeat counts on several tests in speedtest1 so that the relative
...
time spent on the test is roughly the same regardless of --size.
FossilOrigin-Name: 7922809ee0d3978ce9221fbb7df63aa0684d0c4d
2014-03-25 20:28:38 +00:00
c872966ef4
Add another performance test case to speedtest1. This case is another
...
ORDER BY test but this time without LIMIT.
FossilOrigin-Name: 9ab7ffd59209aef0ffbf384b3902a93fd3b86a6d
2014-03-25 17:45:49 +00:00
0c60c1fe66
Add an ORDER BY test case to speedtest1.c
...
FossilOrigin-Name: 588122641e57e957813d329ea071e13ccbde5acd
2014-03-25 14:54:36 +00:00
86dd3716b9
Detect when a VdbeCursor is still pointing at a valid row but that row has
...
moved, and invalidated the return from prior sqlite3BtreeDataFetch() or
sqlite3BtreeKeyFetch() calls.
FossilOrigin-Name: e6798871ce94961135762669af418cd78540c121
2014-03-25 11:00:21 +00:00
b22f38a779
Remove unused variables Parse.nColCache and Parse.iColCache.
...
FossilOrigin-Name: 4d7551ce464c8038147e81667368924f2a7485a6
2014-03-24 16:30:06 +00:00
3d1d90a13d
Fix arithmetic operators so that they do not change the affinity of their
...
input operands. Ticket [a8a0d2996a].
FossilOrigin-Name: 221f8f944703108e47d789fa8ce6c00fe2abcbb6
2014-03-24 15:00:15 +00:00
4979088506
Avoid attempting to mmap memory from an offset that is not a multiple of the system page size on systems with page sizes larger than 32KB.
...
FossilOrigin-Name: db7d62c8d58eb1e8654a762c9b199ae4e2759038
2014-03-24 11:23:17 +00:00
323913c880
Avoid a possible use of an uninitialized variable following an I/O or OOM
...
error.
FossilOrigin-Name: 641408a1395bfc911ca619ef9e5f073b913d856b
2014-03-23 16:29:23 +00:00
dbfca2b7f8
Clear the sort-order flags on the KeyInfo object associated with the
...
OP_Compare/OP_Jump of the block-sort logic, in order to make the OP_Jump
fully testable.
FossilOrigin-Name: 9b2838f23e5f52369eeb078f60bd231cc54362f8
2014-03-22 02:19:53 +00:00
c83a6bed04
Increase the version number to 3.8.5.
...
FossilOrigin-Name: 9760879d086b61476890927f01806a93798d4eee
2014-03-22 01:52:17 +00:00
59b8f2e108
Fix the ORDER BY optimization logic so that it will do a block-sort on
...
a partial DESC ORDER BY. This enhancement uncovered a memory leak in
pushUntoSorter() which is also fixed.
FossilOrigin-Name: c36f74611cf17ad2ff198a2ac2054d7ab451a72c
2014-03-22 00:27:14 +00:00
9a4444778f
Add the ability to use indices for the first few terms of an ORDER BY clause,
...
then sort in batches to handle the later terms.
FossilOrigin-Name: fa06a6fed9f48322d9b89721799ba12c46efa898
2014-03-21 20:58:42 +00:00
8e1ee88c88
Change the names of SRT_DistTable and SRT_Table used by CTE to more
...
meaningful SRT_DistFifo and SRT_Fifo, respectively. Simplify the
IgnorableOrderby() macro in the process.
FossilOrigin-Name: 45d8cc678d128f1dda6469864215a8ed9de4366a
2014-03-21 19:56:09 +00:00
9afccba269
Avoid leaking memory in an obscure case where the flattener adds an ORDER BY clause to the recursive part of a recursive query.
...
FossilOrigin-Name: 1f413aca00015100224273480e1ce39a76bf93ab
2014-03-21 19:27:54 +00:00
cc08fa48b8
Merge the OFFSET-on-query-without-FROM fix from trunk.
...
FossilOrigin-Name: 71e9ae72c272dc86720b2bfe719f57de437c400b
2014-03-21 18:45:19 +00:00
a22a75e5ca
Fix the OFFSET clause so that it works correctly on queries that lack
...
a FROM clause. Ticket [07d6a0453d4ed8].
FossilOrigin-Name: 179ef81648b0ad557df78b7712f216b876b6fb65
2014-03-21 18:16:23 +00:00
e99b9cdc70
New test case for block-sorting.
...
FossilOrigin-Name: e70cfa28aa393661ccc742ecd5e672d807bdd0a9
2014-03-21 15:24:07 +00:00
f9f1bdb0c8
Merge trunk fixes for "x IN (?)" handling.
...
FossilOrigin-Name: eca35871c34374ca9189c7c9b6d490ac3c30357f
2014-03-20 20:56:49 +00:00
5b1420e046
Remove a testcase() that is now always true due to the "x IN (?)" optimization.
...
Add an ALWAYS() around a conditional in the parser that cannot be false.
FossilOrigin-Name: d5a1530bdc7ace053d05d1a037551110021d3758
2014-03-20 19:04:56 +00:00
9bc21b535e
Only use the direct-overflow-read optimization if all data from the overflow page in question is being read.
...
FossilOrigin-Name: d8e1f75ddf10f3c0b21acd5455f90fdcea54a948
2014-03-20 18:56:35 +00:00
8ad0de3f72
Fix the EXPLAIN indenter in the command-line shell to correctly
...
handle NextIfOpen and PrevIfOpen opcodes.
FossilOrigin-Name: 01944c53f5c129f48ce8842faaedcf5607dd381e
2014-03-20 18:45:27 +00:00
fbb24d1092
The "x IN (?)" optimization in check-ins [2ff3b25f40] and [e68b427afb] is
...
incorrect, as demonstrated by the in4-5.1 test case in this check-in.
The "COLLATE binary" that was being added to the RHS of IN was overriding
the implicit collating sequence of the LHS. This change defines the EP_Generic
expression node property that blocks all affinity or collating sequence
information in the expression subtree and adds that property to the expression
taken from RHS of the IN operator.
FossilOrigin-Name: 2ea4a9f75f46eaa928ba17e9e91bc0432750d46d
2014-03-20 17:03:30 +00:00
4ef7efad5e
Fix harmless compiler warnings.
...
FossilOrigin-Name: b1435f26b07b2208cfcca557f96342a5bd0d5328
2014-03-20 15:14:08 +00:00
0a8d14261c
Previous check-in is not quite correct. "x IN (?)" is not exactly the same
...
as "x==?" do to collation and affinity issues. The correct converstion should
be to "x==(+? COLLATE binary)". The current check-in fixes this problem and
provides test cases. Ticket [e39d032577df69]
FossilOrigin-Name: 2ff3b25f40fd117c8a2da1d1a3625f6b167b7b16
2014-03-20 14:56:47 +00:00
2b59b3a4c8
Convert expressions of the form "X IN (?)" with exactly one value on the
...
RHS of the IN into equality tests: "X=?". Add test cases to verify that
statements work correctly on this corner case.
Fix for ticket [e39d032577df6942].
FossilOrigin-Name: e68b427afbc82e201c64474117851aa4c9eb0c92
2014-03-20 13:26:47 +00:00
0c8a934cb4
Fix an unnecessarily obtuse use of a bitmask flag.
...
FossilOrigin-Name: ca3140813198ab7ce470cf86334e55207f3461f9
2014-03-20 12:17:35 +00:00
bc76063cd2
Add a test to ensure os_unix.c works with 64KiB OS pages.
...
FossilOrigin-Name: e3d2be3ba47cdaafd26347620ae3bc2813203f16
2014-03-20 09:42:09 +00:00
781e34cde3
Add an experimental fix to avoid attempting to mmap memory from an offset that is not a multiple of the system page size on systems with page sizes larger than 32KB.
...
FossilOrigin-Name: 6f3a5c24d254fc6faf607b505bdef4a7aafc21af
2014-03-20 08:59:47 +00:00
db1cc09c72
Merge the vdbesort.c optimization from trunk.
...
FossilOrigin-Name: e4bfffb988283c077778c60696be0d285ad66c3c
2014-03-19 23:42:51 +00:00
6284db908a
Fix query planner weights associated with choosing block-sorting. Fix
...
block sorting of tables with collating functions. Fix various test cases.
All "veryquick" tests are now passing, though more tests need to be added.
FossilOrigin-Name: 01afbf97c0ff29667806e9a7c4d74ca717819de5
2014-03-19 23:24:49 +00:00
344510e62b
Avoid some unnecessary calls to sqlite3VdbeRecordUnpack() that were being made when merging data from two or more temp files together in vdbesort.c
...
FossilOrigin-Name: 707ea170b3e26965b7e3982f7554d122d130b9a6
2014-03-19 20:01:25 +00:00
65ea12cb4a
Make it possible for block-sort to use the OP_SorterOpen sorter in addition
...
to a generic OP_OpenEphemeral.
FossilOrigin-Name: 7ce2daafd39a117041bfdd0a7132e2764fe7a74b
2014-03-19 17:41:36 +00:00
26d7e7c6b7
Fix a problem in the block-sort logic that can arise if the VDBE opcode
...
array is resized while the block-sort logic is being coded. "make test"
now runs to completion, though there are still 17 failures.
FossilOrigin-Name: 62f3a22050e0f11c789374f8a3785df0a84c24cb
2014-03-19 16:56:58 +00:00
ba194369ad
Avoid reusing temporary registers in co-routines when doing
...
block-sorting.
FossilOrigin-Name: 463d921b519b08648a715e987c430f06b06bae84
2014-03-19 15:17:24 +00:00
ea6c36e204
Make sure the where.c query planner never reports that the number of ORDER BY
...
terms that are satisfied by indices is negative.
FossilOrigin-Name: b186d8d15a10d5e8fcae9ae72e8624d71831f5bd
2014-03-19 14:30:55 +00:00
079a307259
First attempt at getting block-sort to work. This is an incremental check-in.
...
There are many problems still to be worked out.
FossilOrigin-Name: 59742dd4c5259883850044d0938248b009ebd045
2014-03-19 14:10:55 +00:00
ddba0c227e
Make the partial-ORDER-BY information in the query planner available to the
...
SELECT code generator. Still doesn't make a difference in the generated code.
FossilOrigin-Name: e258df236b7de70087c8227cb209080e55b9bf9c
2014-03-18 20:33:42 +00:00
d2de861cbe
Adjust the query planner to keep track of the number of ORDER BY terms
...
satisfied. Still doesn't do anything with this information. Some tests
fail after this check-in, but all failures are believed to be benign. The
failures will be addressed at a later stage.
FossilOrigin-Name: 59d49b7fc49fa290e04a02653e7268c85836b27e
2014-03-18 18:59:07 +00:00
0401acec91
Experiments with the optimization of ORDER BY and GROUP BY clauses.
...
FossilOrigin-Name: b150902579d708b454efd5f8750e26a816f7f1a6
2014-03-18 15:30:27 +00:00
0e682099a1
Clean up some obsolete "register" declarations in printf.c.
...
FossilOrigin-Name: ecd9d3f9453be0bb8e312d8027fd1a9e55882f36
2014-03-17 15:06:57 +00:00
a70a073b3f
Performance enhancements and size reduction for sqlite3VXPrintf()
...
FossilOrigin-Name: eb071eb58cf675bd6cd9dd46aed9d57fbb7a77e8
2014-03-17 14:24:27 +00:00
18c7e40ca3
Fix a harmless compiler warning that crops up with SQLITE_MAX_MMAP_SIZE=0.
...
FossilOrigin-Name: 1277932b7e8bb36c7070ffafbf110a8e128c267b
2014-03-14 11:46:10 +00:00
d88e521f59
Fix an obscure bug causing sqlite3_close() to fail if there are virtual tables on the disconnect list when it is called.
...
FossilOrigin-Name: 6504aa47a8ebb13827be017c4cb4b2dc3c4c55f4
2014-03-12 19:38:38 +00:00
82d25da5b0
Changes to FTS to ensure that it does not access the database from within the xConnect method.
...
FossilOrigin-Name: c67a52c356416cc200f51f9168d942e78db11d34
2014-03-12 19:20:36 +00:00
87af14a639
Prevent the rtree module from reading sqlite_stat1 data from the wrong database.
...
FossilOrigin-Name: 7ce03c1b5552d830300575c5b41a874db7a2ec77
2014-03-12 12:44:46 +00:00
926345e027
Remove a stray C99-style comment.
...
FossilOrigin-Name: f500e87d6ec6fa43c13f4e94edf32789f36e4233
2014-03-11 23:44:10 +00:00
036dbec01c
Combine the various boolean fields of the BtCursor object into a single
...
bit-vector. This allows setting or clearing more than one boolean at a
time and makes the overflow-pgno-cache branch faster than trunk on
speedtest1.
FossilOrigin-Name: 968fec44d7fde3adbd3e9603e4282351f0d4bda1
2014-03-11 23:40:44 +00:00
5a500afd57
Enable the b-tree cursor objects overflow page-number cache, which is normally enabled only for incr-blob cursors, for all cursors.
...
FossilOrigin-Name: da59198505990a4fe832be7932117c7e014955b7
2014-03-11 20:33:04 +00:00
468108628c
Version 3.8.4.1
...
FossilOrigin-Name: 018d317b1257ce68a92908b05c9c7cf1494050d0
2014-03-11 15:27:36 +00:00
8073c70b33
Update version number to 3.8.4.1
...
FossilOrigin-Name: 33f5694fa42d9a521ca081de4ddd1e9dc8952b16
2014-03-11 15:25:43 +00:00
3afca7d18c
Add a test to see what happens if an rtree constructor encounters an SQLITE_BUSY error. No changes to code.
...
FossilOrigin-Name: 5527e23636eee192030f6a3c41628030b6c50bb8
2014-03-11 09:19:26 +00:00
89212fb9f9
Adjustments to the cost computation for the skip-scan query plan, to take
...
into account the fact that a seek has to occur on each skip.
FossilOrigin-Name: 0769eebd028ce31375cf93509a1d3687f7b117eb
2014-03-10 20:12:31 +00:00
b06a4ec1f0
Attempt to work around MSVC's treatment of __LINE__ as a non-constant value
...
in "Edit and Continue" mode by avoiding the use of __LINE__ when
SQLITE_VDBE_COVERAGE is not defined.
FossilOrigin-Name: 0a5318bc272b844e937cb1df3a07224034bc3450
2014-03-10 18:03:09 +00:00
55aeee4b48
Version 3.8.4
...
FossilOrigin-Name: 530a1ee7dc2435f80960ce4710a3c2d2bfaaccc5
2014-03-10 12:20:37 +00:00
b72cad14d0
Fix a bug causing "SELECT char()" to return SQLITE_NOMEM.
...
FossilOrigin-Name: ba39df9d4f7ffc6475ae0dc794f7d3f58c486de8
2014-03-08 19:07:03 +00:00
f3ccc38a69
Improved comment on the pager.c PERSIST rollback journal delete logic
...
inside of hasHotJournal(). No changes to code.
FossilOrigin-Name: e5b17a9d07a35c9b44ff977ba81b93d745d26a11
2014-03-07 14:57:07 +00:00
eb443925ef
Revise change from the previous check-in to clarify the situation when handling open journal files, regardless of journal mode.
...
FossilOrigin-Name: 1c318ef3b76e9a9a5ff2f156a9acddfc1bda0949
2014-03-07 03:31:35 +00:00
8879481868
Avoid calling sqlite3OsDelete() on a file that is open, since this causes Windows to run *very* slowly. Comes up on error recovery in journal_mode=PERSIST.
...
FossilOrigin-Name: fdc651e2ec7a0babee669e24fd56632e7cd5f0e9
2014-03-07 02:29:56 +00:00
f0ec2a5ea7
Do not run corruptH.test in mmap mode.
...
FossilOrigin-Name: c0d54b4e41cba84dc5934e0fcd03fe422fe5c92b
2014-03-06 18:16:45 +00:00
fe70510aa7
Improved EXPLAIN indentation of a loop in the ANALYZE logic for STAT4.
...
Mark the not-found jump of a seek operation in that loop as never taken.
FossilOrigin-Name: 0a4200f95cf46ad620b9fd91f4444114a0c74730
2014-03-06 13:38:37 +00:00
0df163a9f0
Remove a branch that is never taken from where.c.
...
FossilOrigin-Name: 4a4997221f3d61c1411a993053b40c787beea736
2014-03-06 12:36:26 +00:00
378d01aa94
Cosmetic change to the shell in-memory database warning to skip coloring the trailing period.
...
FossilOrigin-Name: c87d8e07ec596d5f0ef3003cfeb226d4b7c49549
2014-03-06 02:15:42 +00:00
b6e8fd105c
Fix some incorrect comments and typos in comments. Add testcase() macros
...
to some of the new record comparison code.
FossilOrigin-Name: b83cfe899d84fe9d61540e9984321ca30401638c
2014-03-06 01:56:33 +00:00
62117159d0
Better loadable extension handling in the Win32 VFS when compiled for Cygwin.
...
FossilOrigin-Name: 29b0a4f158785449b6f3da6fcceeb63442c9711c
2014-03-06 00:30:27 +00:00
0d71d121ae
Better support for MinGW 4.x.
...
FossilOrigin-Name: 170e0585202eec6882e9513eba05e6d5767bfc5b
2014-03-06 00:28:57 +00:00
dc90d3d8af
Always include the ctype.h header in the spellfix.c extension.
...
FossilOrigin-Name: bfd75f471a607b442d8cd8a7070491a158e8fb1a
2014-03-05 19:36:52 +00:00
a6eaa635cc
Avoid running a couple of test cases that use realloc() extensively if SQLITE_MEMDEBUG is defined.
...
FossilOrigin-Name: e406d4bb786a34cdd5dd23ed39f35dfce3e1cabd
2014-03-05 19:13:32 +00:00
fc5717cc99
Fix a harmless compiler warning on MSVC.
...
FossilOrigin-Name: 0723effc9ccae7c660fb847b36ce9324e0cb5042
2014-03-05 19:04:46 +00:00
03af2168db
Add SQLITE_OMIT_CTE to the list of compile options that might be returned by "PRAGMA compile_options".
...
FossilOrigin-Name: f33f2b3f924347e3da26741d153749330cb645ec
2014-03-05 17:29:34 +00:00
13ef14afc1
Add tests to join.test to verify that it is not possible to use more than 64 tables in a join.
...
FossilOrigin-Name: ef1a998625e1fc051732228844388d6c59665382
2014-03-05 16:15:07 +00:00
6d1626eb7c
Count the number of elements in a SrcList object using an "int" rather than
...
a "u8", to avoid overflows and to work around an issue in the C compiler on
AIX.
FossilOrigin-Name: eee2a13f2caa48b7b8a693680edc2bbc9275292c
2014-03-05 15:52:43 +00:00
1496566560
Add a test case for the problem fixed by [1d134ba2ed].
...
FossilOrigin-Name: d4fbc05df9501a09623d420fcd5b2bce3a57201b
2014-03-05 15:04:36 +00:00
817492630a
When converting a result type from TEXT to BLOB using the
...
sqlite3_value_blob() interface, continue to report SQLITE_TEXT as
the true type from sqlite3_value_text() as long as that text is still
valid. The maintains legacy behavior from before the noMemType change.
FossilOrigin-Name: 1d134ba2edbdb8c0cf9e99590a69cd17e0b874a9
2014-03-05 14:40:22 +00:00
b1a1c29a07
Separate the column NULL value constant into a separate routine for greater
...
commonality with the sessions branch.
FossilOrigin-Name: 12cbebb997705e37769460e00a4aaa52c12f305e
2014-03-05 12:47:55 +00:00
ef4668bc05
Remove the redundant memType field from struct Mem.
...
FossilOrigin-Name: 9e8528578966e4f1a16d63333de648fd8cdaf0f2
2014-03-05 11:48:35 +00:00
d520041bc0
Do not run corruptI.test with the mmap permutation.
...
FossilOrigin-Name: 378b290da85cadc1acba081322d1f0e8d7694e17
2014-03-05 11:22:33 +00:00
afc14f72ef
Experimental simplification of memory flags/type handling.
...
FossilOrigin-Name: bac2820e13a79d91d0f8938c643134a9d6900327
2014-03-05 01:29:18 +00:00
19c6d96aec
Avoid indexing off the front end of an array when creating a view with
...
two or more blank column names in the SELECT statement that defines the view.
FossilOrigin-Name: 554501f158534f9c27fd51900589c2ab7cf300d8
2014-03-04 21:19:51 +00:00
052c6784ee
Fix a problem with "DEFAULT (-(-9223372036854775808))" clauses in ALTER TABLE ... ADD COLUMN commands.
...
FossilOrigin-Name: e072cb3ee2a03d786c08230cecc6e970de2cec5b
2014-03-04 21:00:20 +00:00
d1053a4314
Fix a potential memory use-after-free problem following an OOM error.
...
FossilOrigin-Name: 767ccb1fa11b3e7b895fb8c2e91f79e3b4202907
2014-03-04 18:06:04 +00:00
ed79b45cf7
Fix an assert() so that it takes OOM errors into account.
...
FossilOrigin-Name: 53f6ec792f5f62fcdbf25e0fce5545dd1c3048a4
2014-03-04 16:21:18 +00:00
a4660bd695
Ensure that BtreeMovetoUnpacked() does not try to invoke xRecordCompare when it is set to NULL.
...
FossilOrigin-Name: 2879234b7c373be422af3fe180cae9840943e29a
2014-03-04 16:05:25 +00:00
5f1d536b53
Improve clarity of presentation in the sqlite3VdbeMemFromBtree() routine.
...
FossilOrigin-Name: 9830c343bc954b828f6ca752f8ae63e2c0a980c1
2014-03-04 13:18:23 +00:00
b64fa0adf7
Fix comment in test.
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FossilOrigin-Name: 1e57f67b20a1c01ede36d684be628e9270bf109a
2014-03-04 12:07:24 +00:00
ad4b262545
Fix minor typos in the new test file.
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FossilOrigin-Name: 3cbb9b1b4f8c5c2735799e84dc80614586222cd2
2014-03-04 11:54:35 +00:00
5810d0315b
Add tests to verify the fix for bug [4ef7e3cfca].
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FossilOrigin-Name: 62410bb8a7b33efcd13bce8fd75b83523922adb8
2014-03-04 11:35:20 +00:00
9d42cc994c
Fix name resolution problem in sub-selects within triggers, ticket [4ef7e3cfca].
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FossilOrigin-Name: 5bcd0b1ca5d73ffbe7978ee9d73fe5e769e3d3a2
2014-03-04 11:29:42 +00:00
ffe6bc2b93
Fix harmless compiler warning.
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FossilOrigin-Name: 8d18a803bdeab290a6e9ff26911897f5f8683876
2014-03-04 11:16:20 +00:00
d34ab07507
Refactor the sqlite3VdbeRecordCompare() routine used to compare btree records.
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Create fast-track special case routines to handle the common cases more
quickly. This gives a significant performance boost.
FossilOrigin-Name: 3325ad5bdc2f81f63b556d6f4d0589d89b142b2b
2014-03-04 04:12:56 +00:00
f926d1ea47
Fix more instances of assuming 'char' is signed. And, make sure to never shift
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a signed integer.
FossilOrigin-Name: f10130ede433a19b3945753f23962871c8d2dcf3
2014-03-04 04:04:33 +00:00
a9e0aeb552
Do not assume that 'char' is signed. Make it explicit.
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FossilOrigin-Name: 979da752e6f8767a61a8efed824ffad9605d0f4c
2014-03-04 00:15:16 +00:00
f2c135fabd
Refactor the sqlite3VdbeRecordCompare() routine used to compare btree records.
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Create a couple of fast-track routines to handle the common cases of a string
with BINARY collation or integer values as the left-most column. This gives
a significant performance boost in common use.
FossilOrigin-Name: aec5473a750e412eb1e11e17bbafd760db086c86
2014-03-03 21:59:33 +00:00
13a747e5e4
Fix a couple of harmless compiler warnings.
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FossilOrigin-Name: fcf480cc630976b619aabd5f7fb7b09601a178fb
2014-03-03 21:46:55 +00:00
drh