d22d7b4daa
Merge changes from the trunk.
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FossilOrigin-Name: 3ee736a39d1fc175a297c5fdd0d2e1c5a9b5b18e
2013-12-10 16:35:42 +00:00
a01abc302d
Fix handling of errors returned by the SQLITE_FCNTL_OMIT_SYNCED file-control.
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FossilOrigin-Name: d9a5f44f4a27336d41e60b6c3791bd018fbbff6f
2013-12-10 16:27:59 +00:00
038b7bc4ef
Simplifications to the OP_MakeRecord opcode and the sqlite3VdbeSerialPut()
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helper function.
FossilOrigin-Name: 7277a769694787e0332d1a4efc02041834661e2a
2013-12-09 23:17:22 +00:00
401387553d
Correct the VFS name as reported by the file control when explicitly using the 'win32-longpath' VFS.
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FossilOrigin-Name: c43b59dac1fbb67ec3a9d921005543046ad416ce
2013-12-09 21:48:49 +00:00
a2a3028d5f
Reduce the number of times that OP_Column calls sqlite3VdbeMemMakeWriteable().
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FossilOrigin-Name: 6b51863553e51334880fb322bdf74e51e35d0e61
2013-12-09 21:06:46 +00:00
2a8d2261ed
Simplify the sqlite3BtreeKeyFetch() and sqlite3BtreeDataFetch() interfaces
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to the storage engine.
FossilOrigin-Name: bf97598592ff60fab2a06d8b31b0201200b91684
2013-12-09 20:43:22 +00:00
999cd08aae
Modify the way some internal file-controls are invoked. In order to support multi-file transactions in the zipvfs extension.
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FossilOrigin-Name: 32fb1784af4594161d954343e3787db702000a4d
2013-12-09 20:42:03 +00:00
c65faab2e1
Minor performance optimizations in pager.c.
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FossilOrigin-Name: ba9eef5f5293633d1479e1d877bf338edb2a9471
2013-12-09 19:25:28 +00:00
a6353a3f64
Performance optimizations for sqlite3VXPrintf().
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FossilOrigin-Name: 9227ad48e1612b32a3a3e9551c49890f93abc0a7
2013-12-09 19:03:26 +00:00
7250c547a5
Avoid unnecessary (no-op) calls to sqlite3DbFree() from sqlite3VdbeMemRelease().
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FossilOrigin-Name: 2d6dd7c2eb5a64f8994162b564a99ef0014b7460
2013-12-09 03:07:21 +00:00
8f518837f9
Use memmove() rather than a home-made copy loop in insertCell() too.
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FossilOrigin-Name: a3d796b1673ca68ced247d63c22ddcfb1f9d56ea
2013-12-09 02:32:19 +00:00
9bb7c4ff4f
Use memmove() rather than a home-made copy loop in dropCell() of btree.c,
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for a size reduction and performance improvement.
FossilOrigin-Name: 78e1706804e88a0dd5dc40bee838a3a504cfa53b
2013-12-09 01:58:11 +00:00
29f2bad6f0
Avoid unnecessary no-op calls from getAndInitPage() to btreeInitPage()
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in the btree.c logic.
FossilOrigin-Name: 81f5ae13b2e23daee03151d32515387b7f5ba5e5
2013-12-09 01:04:54 +00:00
7599d4aa44
Use putVarint32() instead of putVarint() for a quantity that can never
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exceed 2GiB - 1.
FossilOrigin-Name: 6996fb34445adedf463b66ed1f339ee1f27ce6e5
2013-12-09 00:47:11 +00:00
59bf00cb54
Another simplification to the OP_MakeRecord opcode, making it slightly
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faster and very slightly smaller.
FossilOrigin-Name: f2f5a3ce9d075c4b1ac586c5db3a623d9035402d
2013-12-08 23:33:28 +00:00
2a24287639
Avoid unnecessary calls to sqlite3VarintLen() from the OP_MakeRecord opcode.
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FossilOrigin-Name: 7a234fc3c5e7970ffe0b8d6ac33c26acb64b5c4d
2013-12-08 22:59:29 +00:00
1e98310a14
Interchange two conditions in an "if" statment in sqlite3PagerAcquire() for
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very slight (0.06%) overall performance increase.
FossilOrigin-Name: fbcc1a3ebb016225c3580181c908a2904cc184a5
2013-12-08 19:54:52 +00:00
689156fdbc
At the start of each write transaction, check to see if the database file has
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been moved, and if it has refuse to start the transaction, returning an
SQLITE_READONLY_DBMOVED error code.
FossilOrigin-Name: 369a23e00644f3ff8b6a2d2ed73b8cb65e9f124b
2013-12-07 16:56:09 +00:00
a9c19f935c
Back out the new device capability. The determination of whether or not a
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file has moved is now done strictly using a file-control.
FossilOrigin-Name: 9c59f5af7ac4908583fab85d37241f200c40f02d
2013-12-07 16:45:05 +00:00
b959a017b6
Actually look at i-node numbers to determine whether or not the database
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file has moved.
FossilOrigin-Name: 2b1884dc14f9a04a04eebb3245fbe0daaff399eb
2013-12-07 12:29:22 +00:00
4e8fe3ff91
Performance optimization to the moveToRoot() subroutine in btree.c.
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FossilOrigin-Name: b5842a70f8e26456a8f0d39539bc266f097480a4
2013-12-06 23:25:27 +00:00
b8a9bb4fb9
Use memcmp() instead of the BINARY collating function where possible, for
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a performance boost.
FossilOrigin-Name: c5a3a1af3c7bd34886e944a1fef2f6340ded24a0
2013-12-06 22:45:31 +00:00
72b8ef6ce3
Remove some commented-out code from sqlite3BtreeMovetoUnpacked() to try to make
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it more readable.
FossilOrigin-Name: 2d62d1131f8bbc4e1f8f7aeaf0d91e3237fe3b7c
2013-12-06 22:44:51 +00:00
091a81b91d
Add the SQLITE_READONLY_DBMOVED error code to the sqlite3ErrName() function.
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FossilOrigin-Name: 7789f801d720db5394117e764675cd4bbe6b2da1
2013-12-06 19:58:32 +00:00
3fee8a63c8
Only error out on a database file move when attempting to start a write
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transaction. Assume read transactions are still safe. And make the error
SQLITE_READONLY_DBMOVED instead of SQLITE_IOERR_NODB.
FossilOrigin-Name: 28348f2ada98c616241a51aecb70b63e87e6ddbb
2013-12-06 17:23:38 +00:00
1b1f30bb5e
Add code to detect if the database file is moved or deleted out from under
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SQLite and return an SQLITE_IOERR_NODB.
FossilOrigin-Name: 8759a8e4d83b163e315eff316cf163f6ea42f2bb
2013-12-06 15:37:35 +00:00
224f66fba3
Fix harmless compiler warnings and improve the MSVC makefile.
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FossilOrigin-Name: c632567063d81c4be404ce58cbac0eff7412f565
2013-12-05 17:12:47 +00:00
47676fedf6
Fix two potential (and apparently harmless) shift overflows discovered by
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the -fcatch-undefined-behavior option of clang.
FossilOrigin-Name: e19eead8c9977ed4f00eac54c5bc7e90db78caa8
2013-12-05 16:41:55 +00:00
3f9cd2ae75
Fix harmless compiler warnings.
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FossilOrigin-Name: a12d214ecccc5d3372dbcedc88705b0092363971
2013-12-03 22:33:35 +00:00
1fa85a15df
Add memory subsystem related defines to the compile-time options list.
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FossilOrigin-Name: 52a44146dd7c5a7662545042045e23deab302c96
2013-12-03 22:32:48 +00:00
7f59475fda
Remove a branch in STAT4 logic that is no longer reachable after
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the previous change.
FossilOrigin-Name: eca7d3f1612c7a009a9e4ef89f76f9b7e275d1e6
2013-12-03 19:49:55 +00:00
7190e07fc0
Fix a possible (and probably harmless) uninitialized variable in STAT3/4.
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FossilOrigin-Name: 33ad4f91477907b7b3e5808c7ba11aacc9a83ba6
2013-12-03 19:16:06 +00:00
b5f68b0c8c
Fix an alignment problem in the stat3/stat4 code affecting 32-bit platforms.
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FossilOrigin-Name: 14f9bc79014e5762b88b9f0b98f4d47a8092d127
2013-12-03 18:26:56 +00:00
9a01c16df8
Remove an unnecessary branch from the UPDATE logic - one that was also
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unreachable except following an OOM on x64.
FossilOrigin-Name: 72f972771457b8c8d9f859238d6a72b43f41d2c3
2013-12-03 10:14:28 +00:00
89bc021850
Add a "database_may_be_corrupt" directive to test file fuzz3.test. Reformat an assert() statement in vdbeaux.c to make its intent clearer.
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FossilOrigin-Name: 9d8a0e132163f7adeaabbf6baba119e159addd41
2013-12-03 09:49:52 +00:00
d5e4547084
Change some unreachable test conditions to NEVER().
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FossilOrigin-Name: 7d99858bec699dface548c77649dfc50e7fb50d8
2013-12-03 02:52:11 +00:00
47b927d2c3
Fix a harmless compiler warning on MacOS.
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FossilOrigin-Name: 74328de1d720fb35a97b476034406ca17d35ff5f
2013-12-03 00:11:40 +00:00
a256c1a4b3
Fix typos in the header comment on the sqlite3Atoi64() routine.
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FossilOrigin-Name: c85e0c546ea6c6be46deea5c7a716b5fb553c7b4
2013-12-01 01:18:29 +00:00
094b7587fc
Detect a corrupt UnpackedRecord and return SQLITE_CORRUPT prior to calling
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sqlite3BtreeMovetoUnpacked().
FossilOrigin-Name: 55ec474db8935ef36fae30da5d11f5701c60c088
2013-11-30 12:49:28 +00:00
b202366509
Change the name of the CORRUPTIBLE macro to CORRUPT_DB.
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FossilOrigin-Name: f865be10e85a4063394a21827db2d854fc25960c
2013-11-29 15:39:36 +00:00
09fe614372
Add a new sqlite3_test_control() that indicates that database files are
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always well-formed. Use this during testing to enable assert() statements
that prove conditions that are always true for well-formed databases.
FossilOrigin-Name: 15e4f63d1f3cbcd0aa789fd3e460cd6e4d3338f9
2013-11-29 15:06:27 +00:00
0d4a0cdf18
Remove an assert() condition that may not be true if the database file is corrupt. Update a test case in corruptC.test.
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FossilOrigin-Name: 0bcf75516f59e49536f9e5c5cd542058ab61e2fc
2013-11-28 14:14:31 +00:00
2c77be054a
Remove unnecessary local variables from sqlite3VdbeExec() in order to
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reduce stack-space requirements of that routine.
FossilOrigin-Name: 81891288d9f281cf2ceb4cd701c0c3231b1bab19
2013-11-27 21:07:03 +00:00
9338642ca6
Update documentation of sqlite3_column() for clarity. Update evidence marks
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on test cases.
FossilOrigin-Name: ec2d47a1db2349d5c9b4fe465506e0e347f77921
2013-11-27 19:17:49 +00:00
ac68ced162
Make sure the colWidth array is correctly initialized in the ".explain"
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command of the shell.
FossilOrigin-Name: ceebcdcaf1acf409b77b4cc2903b4570001f098a
2013-11-27 13:24:18 +00:00
c964c39fb0
Lower the threshold for using skip-scan from 50 to 18, based on experiments
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that show that 18 is the approximate break-even point for a variety of
schemas.
FossilOrigin-Name: 83c0bb9913838d18ba355033afde6e38b4690842
2013-11-27 04:22:27 +00:00
0f7e08e0e2
Avoid using the GetVersionEx functions if they are considered deprecated.
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FossilOrigin-Name: 0ea9e4722be10221c99cce5bc48d13c7b34e739f
2013-11-27 03:01:34 +00:00
bbbb0e8053
Make sure the update hook is not invoked for WITHOUT ROWID tables, as
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the documentation specifies. This bug was found while adding requirements
marks, so a few extraneous requirements marks are included in this
check-in.
FossilOrigin-Name: 0978bac6b8aee229d7a0d148546f50d380d06a06
2013-11-26 23:27:07 +00:00
aa1776f093
Reduce the amount of code used to implement OP_SeekGe and similar.
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FossilOrigin-Name: 8b12a15a2a8139d75f56a099f3f6af844da3ac9c
2013-11-26 18:22:59 +00:00
0425f18959
Change tclsqlite3.c so that it never invokes ctype macros with signed
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character arguments.
FossilOrigin-Name: c07caabf2396c84b2ccb0e9f98ae6279ce41c59d
2013-11-26 16:48:04 +00:00
dan