Commit Graph

12007 Commits

Author SHA1 Message Date
dan fbf0f0e1f6 Fix a segfault that can occur following an OOM error.
FossilOrigin-Name: 7fdd378d54754a3ffdc01c6c0a66cf6d5899a495
2014-03-03 14:20:30 +00:00
drh f21fa489b1 Change the MEM_Dyn flag so that it means that Mem.xDel exists and must
be used to free the string or blob. Add tighter invariant checks on Mem.

FossilOrigin-Name: e3f6c61e0333d4d237dcd2ba2e404f0a91ee5069
2014-03-03 00:12:39 +00:00
drh c91b2fd310 Change the MEM_Dyn flag so that it means that Mem.xDel exists and must be
used to free the string or blob.  Add tighter invariant checks on Mem.

FossilOrigin-Name: 44e1c33767cae3bf2cbd2238831fe67197009b43
2014-03-01 18:13:23 +00:00
drh 75fd054201 Factor the Mem invariant checker into a separate procedure (rather than a
macro) so that it can be more easily extended.

FossilOrigin-Name: 354699d50e7d251504a7b3d6fbec9e5bcf99557f
2014-03-01 16:24:44 +00:00
drh defbd9dade Add extra assert() statements trying to catch a Mem object in an inconsistent
state.

FossilOrigin-Name: 4aeb3ae435c78070232fef21a147fde4e1c5cd31
2014-03-01 14:45:18 +00:00
drh efbf3b1a10 In the command-line shell add the (undocumented and unsupported) ".eqp"
command and -eqp command-line option, to cause EXPLAIN QUERY PLAN to be
run on each SQL statement as it is evaluated.  Intended use is for analysis
of the query planner.

FossilOrigin-Name: e6ecf7337658624d664e1e71ba3fc527fd6578c1
2014-02-28 20:47:24 +00:00
drh 07901eb8c3 Provide an #ifdef in shell.c to work around issues when cross-compiling
from Ubuntu to windows.

FossilOrigin-Name: 0a3579d9b9d2a60bb85a9811bc7936edb88debae
2014-02-28 19:37:45 +00:00
drh 69b30abd59 A better way of handling the USE_SYSTEM_SQLITE #define in shell.c.
FossilOrigin-Name: 51ce713c6ee91bdf0126155334dcc800b3daa509
2014-02-27 15:11:52 +00:00
drh c718190768 Add #defines to the command-line shell source code (shell.c) so that it
can be imported directly into other projects (ex: Fossil) and used without 
editing.

FossilOrigin-Name: a6690400235705ecc0d1a60dacff6ad5fb1f944a
2014-02-27 15:04:13 +00:00
drh 7e4efaecad More efficient removal of duplicates in recursive queries using the UNION
compound operator.

FossilOrigin-Name: 06c2db875e6cabd81c2a153b2fa4aba03eaed268
2014-02-26 21:35:31 +00:00
drh 3852b68edd In the command-line shell for CSV import, if the lines are \r\n terminated
and the last field is blank, make sure an empty string and not a "\r" string
is imported.

FossilOrigin-Name: 9c2e7612cd137895e13ee872e668ce1216719d85
2014-02-26 13:53:34 +00:00
drh 434a93147c Improved handling of constants and especially constant functions in the
ORDER BY clause of a query.  Do not optimize out "ORDER BY random()".
Fix for ticket [65bdeb9739605cc2296].

FossilOrigin-Name: dca1945aeb3fb005263f9be00ee8e72b966ae303
2014-02-26 02:26:09 +00:00
drh 0baa035a1e Do not allow temporary registers to be in use across an OP_Yield within a
co-routine.  Fix for ticket [8c63ff0eca81a9132d8].

FossilOrigin-Name: 97a8c9733cba97c78e979dfd5c66610c23e90288
2014-02-25 21:55:16 +00:00
drh e8c1eba9a9 Also adjust the order of files in the amalgamation to ensure that
_FILE_OFFSET_BITS is defined before any #include, for QNX.

FossilOrigin-Name: 23001a85cd334090cf6c70d4d7e722a01f4f6899
2014-02-25 18:12:58 +00:00
drh 5e990bea51 QNX requires that _FILE_OFFSET_BITS be set prior to any system #include.
FossilOrigin-Name: 953cdd6adadfd46b51ad61d7939cecca154a02cb
2014-02-25 14:52:01 +00:00
mistachkin 151d05cd39 Fix several small style/consistency issues with the previous check-in.
FossilOrigin-Name: 2477b3a294beb35f806a38f3ebc008942ba01617
2014-02-24 21:42:33 +00:00
mistachkin 1925a2e6f8 Enhance testing support for the Win32 VFS dynamic extension loading facilities.
FossilOrigin-Name: 53081e7202fb55f792a78e73627466eb0200f11c
2014-02-24 21:20:25 +00:00
dan 98c91905c9 Close some stray connections in walro.test.
FossilOrigin-Name: d6746cabaa22429644c956a4b5fd91896376de2d
2014-02-24 19:49:36 +00:00
drh 9d41bc105d In memsys5, initialize new allocations to non-zero bytes. Change the content
of freed allocations to prevent use after free.  These changes in SQLITE_DEBUG
only.

FossilOrigin-Name: ba5f0a5599dece6d8f3dfe652800c28875c74a24
2014-02-24 19:07:51 +00:00
drh 15ab9418d9 Remove an unused variable from the VDBE_PROFILE compile-time option. Keep the
opcode count in an u32 instead of an int.

FossilOrigin-Name: 4df0ac9023d9261145a4425a508ba009a10276fc
2014-02-24 14:24:01 +00:00
drh 4d87aaed56 Fix the text of a comment used to generate VDBE opcode documentation so that
it omits symbols that can be mistaken for a hyperlink by the parser.

FossilOrigin-Name: b46d4e8923e6e367412bba7aeac07039bbcbabd1
2014-02-20 19:42:00 +00:00
drh 06280ee582 Fix a harmless shadowed-variable warning.
FossilOrigin-Name: 824029090d1c4c4c608f67dd197961eba29c039d
2014-02-20 19:32:38 +00:00
drh 4300c1ae3b Make sure that the difference between two string pointers is passed into
sqlite3_mprintf() as type "int".

FossilOrigin-Name: d5d973fedcf5a2eea219f10e11ba3dacdd0593f0
2014-02-20 19:23:15 +00:00
drh 5655c549aa Add the VdbeCoverageNeverTaken() macro, and comments that better describe how
the VDBE branch coverage measurement works.  Add some tags to provide 100%
VDBE branch coverage.

FossilOrigin-Name: c1e94169dd8eb80b4d18c73be9f81585330d11ad
2014-02-19 19:14:34 +00:00
drh 3d77dee935 Add the SQLITE_NOTNULL P5 code for comparison operations - really a composite
of SQLITE_NULLEQ and SQLITE_JUMPIFNULL.  This flag indicates that NULL operands
are not possible and raises and assert() if NULL operands are seen.
Also omit an unnecessary scan of the sqlite_sequence table when writing
into an AUTOINCREMENT table.

FossilOrigin-Name: d2c047f304848e49864ed8c216b48fd671fa3916
2014-02-19 14:20:49 +00:00
drh c0bf493ea5 Make sure a multi-row VALUES clause works correctly in a compound SELECT.
FossilOrigin-Name: 85b355cfb40e8dbeb171980204ffad897184063f
2014-02-19 01:31:02 +00:00
drh 49d9ba6354 Tweaks in support of VDBE branch test coverage.
FossilOrigin-Name: b97825646996792d0a67b83f135658027c8569ca
2014-02-19 00:53:46 +00:00
drh f4345e40a0 Fix VDBE branch accounting on comparison operators.
FossilOrigin-Name: b287520c9226f7a9fab98142f5c207bfe959cd7e
2014-02-18 11:31:59 +00:00
drh 7d1761059b Add VdbeCoverage() and VdbeCoverageIf() macros for improved VDBE coverage
testing.

FossilOrigin-Name: b92d31a97d5fe4606d9ae1393c7f3e052f46bf5a
2014-02-18 03:07:12 +00:00
drh 552fd45441 Improvements to "NOT IN (SELECT ...)" processing. Only test for NULL values
on the RHS on the first iteration, then remember the result.  There has been
logic to do this for year, but it didn't work right and ended up repeating
the NULL test on every iteration.  This inefficiency was found using the
VDBE coverage testing tools.

FossilOrigin-Name: 915f6f1c7aab54583729e60bdc1565f25ecc6f74
2014-02-18 01:07:38 +00:00
drh bb13813ed1 Merge in performance enhancements for INSERT operations, especially INSERTs
on tables that have no affinity columns or that have many indices or INSERTs
with content coming from a SELECT.  Add the SQLITE_TESTCTRL_VDBE_COVERAGE
test control and the SQLITE_VDBE_COVERAGE compile-time option used for measure
coverage of branches in VDBE programs.

FossilOrigin-Name: a72687699ba2af2e7383be7371d4121750c7e34f
2014-02-17 23:52:13 +00:00
drh 688852ab15 Add logic to do test coverage measurements on the VDBE code.
FossilOrigin-Name: ce184c7bb16988641d37c908d9b3042456d4be3d
2014-02-17 22:40:43 +00:00
drh 8be09304b7 Add a test case for OP_SoftNull.
FossilOrigin-Name: f29d194e03d6bcc78bf883b77e591dbccada02f0
2014-02-17 15:40:19 +00:00
drh 7591051a73 Merge the VDBE_PROFILE fixes from trunk.
FossilOrigin-Name: 2914e4191121004a3f564b1fbf1c235dcc595503
2014-02-17 15:36:39 +00:00
drh 57bf4a8eeb Avoid unnecessary calls to applyAffinity() during INSERT and UPDATE
operations, especially for table that have indices and tables for which
all columns have affinity "NONE".

FossilOrigin-Name: 35b4d6e938164fabaf30b504c54cfd9a69060cee
2014-02-17 14:59:22 +00:00
drh 2926f9694f Fix the VDBE_PROFILE logic. Add a script to process the output file.
FossilOrigin-Name: 7adb3da235c8c162c84f05ef4ccf1cc463805d5f
2014-02-17 01:13:28 +00:00
drh 05a86c5c0f Enhance the code generator for INSERT INTO ... SELECT so that the SELECT
generates output directly in the registers that INSERT INTO will be using,
in many cases, and OP_SCopy operations can thus be avoided.

FossilOrigin-Name: aa2d8b0e8154dd2f5e2c837dc11ab362b083495b
2014-02-16 01:55:49 +00:00
drh cfc6ca4179 Seek past NULLs in a top-constrained search. Avoid checking for NULLs in
the body of the search.

FossilOrigin-Name: e07a32f30862acf3b322d4d8deb015846d6f8f5f
2014-02-14 23:49:13 +00:00
drh f78da0e6af Reduce the number of cases where it is necessary to check for NULL after
the loop terminating condition.

FossilOrigin-Name: 3c1ae447dec8fc2af1c5105134061717594ac0e0
2014-02-14 20:59:53 +00:00
drh 4a1d365903 Add OP_IdxGT and OP_IdxLE as distinct opcodes. Formerly these operations where
done using OP_IdxGE and OP_IdxLT with the P5 flag set.  But VDBE code is easier
to read with distinct opcode names.  Also change OP_SeekGe to OP_SeekGE, and
so forth, so that the capitalization is consistent.  The whole point of this
change is to improve the readability of VDBE listings.

FossilOrigin-Name: b6bea903ac8e1717ed50b221d73bd0be061c7663
2014-02-14 15:13:36 +00:00
mistachkin 2953ba9e20 Revise how the Tcl system encoding is handled by the test suite.
FossilOrigin-Name: 9e573198e107f1b85ee37c52a10343d38968bda1
2014-02-14 00:25:03 +00:00
mistachkin 3f40d40ad9 Improvements to the makefile and README for MSVC.
FossilOrigin-Name: b22b61406899c2694dae984995d2484fdb8122f1
2014-02-13 21:57:48 +00:00
dan dd973548f1 Ensure that if the "psow=0" URI option or FCNTL_POWERSAFE_OVERWRITE file-control is used to clear the power-safe overwrite flag, extra padding frames are added to the WAL file.
FossilOrigin-Name: 48c821fd97a8f03757c90560c37a46bd0843570e
2014-02-13 19:27:08 +00:00
drh 56e3767eb4 Change README to README.md and expand it. Remove unrelated and obsolete files.
FossilOrigin-Name: 18d4e258c45c32984b23d97b896a761eeef2dbdf
2014-02-13 19:10:24 +00:00
dan e5b6ea797e Avoid passing a flags argument with the internal WAL_SYNC_TRANSACTIONS bit set when calling sqlite3OsSync().
FossilOrigin-Name: e3b79e920c298a39613631d689d1a2f182d00496
2014-02-13 18:46:59 +00:00
drh 962f9669b6 Update the tclconfig files to the latest from http://core.tcl.tk/tclconfig.
FossilOrigin-Name: b81ba7a4bc7e840fce25fc6801957a64f877ff60
2014-02-13 13:42:43 +00:00
drh fe48599294 Minor simplifications to the "zeroPage()" routine in btree.c.
FossilOrigin-Name: cc8f10bcb206c9def69b06f26decf025b8d9119d
2014-02-12 23:52:16 +00:00
drh e0670b6220 Remove the "rowid cache" that sought to remember the largest rowid for a
table and thereby speed up OP_NewRowid.  That cache was ineffective.
Removing it results in a performance increase of 0.4%, less memory usage,
and a slightly smaller library size.

FossilOrigin-Name: 56bc5ce8958c8e6250531b4052b905d7ac993db3
2014-02-12 21:31:12 +00:00
drh 784156f84c Make sure "rowid" columns are correctly resolved in joins between normal
tables and WITHOUT ROWID tables.  Fix for ticket [c34d0557f740c45070].

FossilOrigin-Name: 5d01426ddfb2d47c57f93f71378594e637424be0
2014-02-12 14:43:52 +00:00
drh c5185cd845 Increase the version number to 3.8.4
FossilOrigin-Name: 0a8bcbbd4e11a60923736b2be9b1ce83ea2263fb
2014-02-11 16:24:34 +00:00