]>
git.ipfire.org Git - thirdparty/sqlite.git/log
drh [Sat, 30 Sep 2017 11:47:06 +0000 (11:47 +0000)]
More details in the header comment of pushDownWhereTerms(). No changes to
code.
FossilOrigin-Name:
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drh [Sat, 30 Sep 2017 10:50:34 +0000 (10:50 +0000)]
Make sure the SQLITE_Stat34 optimization switch is always 0x800, a value
which is hard-coded in the TH3 test suite.
FossilOrigin-Name:
6aed4ea34c4163c682ad5bb2956fdf4f3a3ad048fefd3edab0fef6761c3783cc
drh [Sat, 30 Sep 2017 01:25:04 +0000 (01:25 +0000)]
Fix unreachable conditionals and revise a testcase that was made obsolete by
the changes on this branch.
FossilOrigin-Name:
71f0adf7ca6824c3aba69104b9976dbb71b377474529e1a36220b4804293501e
drh [Fri, 29 Sep 2017 22:13:24 +0000 (22:13 +0000)]
Always render a subquery that is not part of a join as a co-routine.
FossilOrigin-Name:
6b1651d711eae6e7c65a191f02ca2439160bcd677099712289e76a0f8422fd37
drh [Fri, 29 Sep 2017 16:08:46 +0000 (16:08 +0000)]
Merge the query flattener comment improvements from trunk.
FossilOrigin-Name:
f62cd4d940506c39db82e83ff3df8ab1856f1fb91ffda835ae2d727263ee9b0b
drh [Fri, 29 Sep 2017 16:07:56 +0000 (16:07 +0000)]
Clean up the comments on the query flattener to more clearly and accurately
express the conditions under which the flattener is able to run.
FossilOrigin-Name:
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drh [Fri, 29 Sep 2017 14:31:16 +0000 (14:31 +0000)]
drh [Fri, 29 Sep 2017 12:44:52 +0000 (12:44 +0000)]
Make sure the 6th parameter to the authorizer callback for view subqueries
has the correct view name.
FossilOrigin-Name:
2a45bbc9fd1c64f1c4c4dac38f063cd67480fcb6da24bf93fdefbfca66fd81ab
drh [Fri, 29 Sep 2017 12:12:52 +0000 (12:12 +0000)]
Better names for subqueries in EXPLAIN comments.
FossilOrigin-Name:
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drh [Thu, 28 Sep 2017 20:06:53 +0000 (20:06 +0000)]
Do not flatten subqueries that contain an ORDER BY or GROUP BY clause and
can be implemented using a co-routine.
FossilOrigin-Name:
042d655dd9002e8b89a798ad955b0285891aecf79f6978c5312e70ffe0609a46
drh [Thu, 28 Sep 2017 17:29:24 +0000 (17:29 +0000)]
Remove the (undocumented) query-planner control that prevents
a "SELECT ALL" subquery in FROM clause from being implemented as a co-routine.
FossilOrigin-Name:
ff2f5a31a2ac67a2fdbb25793e8013cb0e062ab90bdcba2d52a62d6d4d8b6d18
drh [Thu, 28 Sep 2017 16:56:55 +0000 (16:56 +0000)]
Fix over-length source code lines in select.c. No logic changes.
FossilOrigin-Name:
fd3267ef92384fcefaee7460a5ffbaf8ddcb6049eec36f72a7046a43e2871fbf
drh [Thu, 28 Sep 2017 13:47:35 +0000 (13:47 +0000)]
Fix an issue introduced by check-in [
4cd2a9672c59 ] (2017-03-03) that could
allow a negative value in the 3rd parameter to memmove() when
defragmentPage() is called on a btree page with a corrupted
freeblock list. The corruption is now detected early and results in
an SQLITE_CORRUPT return before the memmove() is reached.
FossilOrigin-Name:
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drh [Thu, 28 Sep 2017 01:58:23 +0000 (01:58 +0000)]
Add new routines to simplify dealing with collating sequences in expressions:
sqlite3ExprNNCollSeq() and sqlite3ExprCollSeqMatch().
FossilOrigin-Name:
490e488ea963fe725b16212822c8608f2b6abce688931b611446bc2cbfe6b87c
drh [Thu, 28 Sep 2017 01:09:42 +0000 (01:09 +0000)]
Indexes on expressions with a COLLATE clause are able to satisfy an ORDER BY
with the same COLLATE clause.
FossilOrigin-Name:
0413001843dce7c63659d39b329ca14cdcd54f4407922f51b2fb7659572a733e
drh [Thu, 28 Sep 2017 00:01:36 +0000 (00:01 +0000)]
In two places, change the magic number -1 to its proper symbol XN_ROWID.
FossilOrigin-Name:
80277d2fc9b76fe41e345d00952da1528e69884f25911cf6e4f78b09ff778421
drh [Wed, 27 Sep 2017 16:51:00 +0000 (16:51 +0000)]
Disable tests for the LIKE optimization when ICU is enabled, since the
LIKE optimization only works for the built-in LIKE operator and ICU overrides
the built-in.
FossilOrigin-Name:
f5ef2e1bcd2790f960c15947f87cda19bd6a6a384ad09b25f6d07d5244cfecbd
dan [Mon, 25 Sep 2017 09:37:37 +0000 (09:37 +0000)]
mistachkin [Fri, 22 Sep 2017 16:23:23 +0000 (16:23 +0000)]
Use the updated Win32 VFS semantics for winOpen from check-in [
5d03c738e9 ] for WinRT, et al, as well.
FossilOrigin-Name:
2c03d8b8f028b6a736aaf2cf8b28a51b3434cf341c95cf3a80469e0a24acdd98
drh [Fri, 22 Sep 2017 12:52:31 +0000 (12:52 +0000)]
Partial backout of check-in [
e0af9a904076 ]. It turns out we do need some
extra space at the end of the record blob as an overrun area to use when
decoding a maliciously malformed record.
FossilOrigin-Name:
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drh [Fri, 22 Sep 2017 00:24:44 +0000 (00:24 +0000)]
Update the configure script so that it looks for tclsh8.7 ahead of tclsh8.6.
FossilOrigin-Name:
0a12915b373cd0491a58d8f7a645711c620c70efced623e6b40aa01f23284157
drh [Thu, 21 Sep 2017 20:43:48 +0000 (20:43 +0000)]
In the Windows VFS, when trying to open a database file read/write, if it
fails check to see if the file exists and is read-only and immediately fall
back to a read-only open attempt, rather than running the AV retry loop.
FossilOrigin-Name:
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drh [Thu, 21 Sep 2017 20:03:17 +0000 (20:03 +0000)]
In the Windows VFS, do not emit an SQLITE_CANTOPEN error log message when
falling back from SQLITE_OPEN_READWRITE to SQLITE_OPEN_READONLY. Wait until
the open fails completely.
FossilOrigin-Name:
fa3f5bcc23d9342f6df8ea15732988d637e9fa5dade85a73b05a9f66136d6964
drh [Thu, 21 Sep 2017 19:08:25 +0000 (19:08 +0000)]
drh [Thu, 21 Sep 2017 13:11:47 +0000 (13:11 +0000)]
Fix a potential use of an uninitialized pointer in RTree following an OOM
error.
FossilOrigin-Name:
fd4ec0cdbd84f3333dd4c7a4236491bce6b9ab21fb2c088751ca1279b31bd864
drh [Thu, 21 Sep 2017 10:24:10 +0000 (10:24 +0000)]
Fix a bug in tool/mksourceid.c:
The mksourceid.c program was incorrectly including the "# Remove this line"
line of the Fossil-generated "manifest" file in the SHA3 hash. That means
that all SQLITE_SOURCE_IDs for trunk versions going back to
check-in [
30966d56 ] (2017-08-22) are incorrect.
FossilOrigin-Name:
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drh [Thu, 21 Sep 2017 01:04:30 +0000 (01:04 +0000)]
Revert one performance improvement changes from check-in [
3b3e32d4cd07 ] as
it was causing a reference to an uninitialized value.
FossilOrigin-Name:
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drh [Thu, 21 Sep 2017 00:49:15 +0000 (00:49 +0000)]
Fix the rendering of the P4_INTARRAY argument to the OP_IntegrityCk opcode
in the output of EXPLAIN.
FossilOrigin-Name:
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drh [Wed, 20 Sep 2017 18:47:51 +0000 (18:47 +0000)]
Size and performance optimization on sqlite3VdbeMemGrow().
FossilOrigin-Name:
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drh [Wed, 20 Sep 2017 18:07:50 +0000 (18:07 +0000)]
The BLOB returned by sqlite3VdbeMemFromBtree() does not need to be
zero-terminated.
FossilOrigin-Name:
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drh [Wed, 20 Sep 2017 17:49:12 +0000 (17:49 +0000)]
Small size and performance optimization in the bytecode engine.
FossilOrigin-Name:
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drh [Wed, 20 Sep 2017 10:47:10 +0000 (10:47 +0000)]
Improved resolution of large integer values in "CAST(x AS NUMERIC)".
FossilOrigin-Name:
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drh [Wed, 20 Sep 2017 09:09:34 +0000 (09:09 +0000)]
Updates to the "lemon.html" document received from Andy Goth.
FossilOrigin-Name:
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drh [Mon, 18 Sep 2017 18:17:01 +0000 (18:17 +0000)]
Add the sqlite3_mmap_warm() function as an extension in the ext/misc/mmapwarm.c source file.
FossilOrigin-Name:
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drh [Mon, 18 Sep 2017 18:08:54 +0000 (18:08 +0000)]
dan [Mon, 18 Sep 2017 16:28:56 +0000 (16:28 +0000)]
Add extension "mmapwarm.c". Provides function sqlite3_mmap_warm(), used to
"warm up" the memory mapping used by SQLite in mmap mode to access db file
content.
FossilOrigin-Name:
d4a30b91f9aad93510baead8c04ee51b82c98763be5a224ed4873298214c963a
drh [Mon, 18 Sep 2017 13:16:10 +0000 (13:16 +0000)]
Minor simplification of error message generation during compound query
code generation.
FossilOrigin-Name:
a944719314e0ac2f1954b65668815769eba3ab3e39a74666293b8dea52a184b2
drh [Mon, 18 Sep 2017 09:40:46 +0000 (09:40 +0000)]
The out-of-bounds read on recovery fix of check-in [
378afa16381a222a ] caused
problems for some corner-case error conditions. This alternative fix appears
to work better.
FossilOrigin-Name:
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drh [Mon, 18 Sep 2017 00:18:31 +0000 (00:18 +0000)]
Fix the CSV virtual table extension so that it works when the default character
is unsigned.
FossilOrigin-Name:
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drh [Sun, 17 Sep 2017 19:45:28 +0000 (19:45 +0000)]
Do not make the assumption (as check-in [
4da49a95c0f07 ] incorrectly did) that
the ExprList returned by sqlite3ExprListDup() would never be passed into
sqlite3ExprListAppend(). Include a new test case that shows this sometimes
does happen.
FossilOrigin-Name:
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drh [Sat, 16 Sep 2017 20:58:41 +0000 (20:58 +0000)]
Simplify the sqlite3VdbeGet() routine. Smaller, faster, and easier to maintain.
FossilOrigin-Name:
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drh [Fri, 15 Sep 2017 17:40:34 +0000 (17:40 +0000)]
Remove an unnecessary parameter from selectInnerLoop().
FossilOrigin-Name:
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drh [Fri, 15 Sep 2017 15:38:01 +0000 (15:38 +0000)]
Improved the header-comment documentation on sqlite3ExprCodeExprList().
No changes to code.
FossilOrigin-Name:
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drh [Fri, 15 Sep 2017 15:17:48 +0000 (15:17 +0000)]
Optimization to the ExprList object to make it slightly smaller and faster.
FossilOrigin-Name:
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drh [Fri, 15 Sep 2017 14:36:13 +0000 (14:36 +0000)]
Fix a harmless comment typo. No changes to code.
FossilOrigin-Name:
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dan [Thu, 14 Sep 2017 21:12:07 +0000 (21:12 +0000)]
Add another test case for the problem fixed by the previous commit.
FossilOrigin-Name:
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dan [Thu, 14 Sep 2017 20:41:17 +0000 (20:41 +0000)]
Avoid an out-of-bounds read that can be caused by a specially constructed
journal file.
FossilOrigin-Name:
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drh [Thu, 14 Sep 2017 02:36:27 +0000 (02:36 +0000)]
Avoid an out-of-bounds read on a recovery attempt using a carefully crafted
database and rollback journal with mismatched page sizes. The test case for
this is in TH3.
FossilOrigin-Name:
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drh [Wed, 13 Sep 2017 20:20:36 +0000 (20:20 +0000)]
Test case update due to PRAGMA integrity_check enhancements in [
8525c30c ].
No changes to code.
FossilOrigin-Name:
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drh [Wed, 13 Sep 2017 12:55:59 +0000 (12:55 +0000)]
Disable FTS3 matchinfo() tests that assume a littleEndian platform when
running on bigEndian.
FossilOrigin-Name:
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drh [Wed, 13 Sep 2017 00:33:36 +0000 (00:33 +0000)]
Improvements to PRAGMA integrity_check for better detection of malformed
records. Integrity_check now avoids returning SQLITE_CORRUPT on a corrupt
record. Also includes microoptimizations that I stumbled over while working
on integrity_check.
FossilOrigin-Name:
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drh [Wed, 13 Sep 2017 00:13:05 +0000 (00:13 +0000)]
PRAGMA integrity_check returns SQLITE_OK even if it encounters corruption
while scanning indexes.
FossilOrigin-Name:
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mistachkin [Wed, 13 Sep 2017 00:01:26 +0000 (00:01 +0000)]
Fix test script comment. No changes to code.
FossilOrigin-Name:
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mistachkin [Tue, 12 Sep 2017 23:58:47 +0000 (23:58 +0000)]
Remove use of the rand_s() function (added by [
139081bef9f63c3e ]) as it appears to cause issues with some third-party DLLs.
FossilOrigin-Name:
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drh [Tue, 12 Sep 2017 15:05:34 +0000 (15:05 +0000)]
Fix an error in [
b22cdd67 ] that can cause a negative infinity to be (rarely)
reported as a positive infinity.
FossilOrigin-Name:
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drh [Tue, 12 Sep 2017 13:27:43 +0000 (13:27 +0000)]
Changes to (hopefully) get the build working with recent Intel compilers.
FossilOrigin-Name:
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drh [Tue, 12 Sep 2017 00:24:45 +0000 (00:24 +0000)]
Make sure all connections are closed in the pragma.test script.
Test change only - no changes to code.
FossilOrigin-Name:
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drh [Mon, 11 Sep 2017 23:46:59 +0000 (23:46 +0000)]
drh [Mon, 11 Sep 2017 20:54:54 +0000 (20:54 +0000)]
Add support for new operators in virtual tables: !=, IS, IS NOT, IS NULL, and NOTNULL.
FossilOrigin-Name:
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drh [Mon, 11 Sep 2017 19:47:37 +0000 (19:47 +0000)]
Refactor names of constants and functions associated with the auxiliary
operators for xBestIndex.
FossilOrigin-Name:
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drh [Mon, 11 Sep 2017 18:37:44 +0000 (18:37 +0000)]
Minor adjustments to indentation and spacing for clarity. No changes to code.
FossilOrigin-Name:
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dan [Mon, 11 Sep 2017 08:53:54 +0000 (08:53 +0000)]
Add tests to check that affinities work with != operators on virtual table
column values. No changes to code.
FossilOrigin-Name:
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drh [Sun, 10 Sep 2017 01:06:05 +0000 (01:06 +0000)]
Simplifications to the PRAGMA integrity_check code generator.
FossilOrigin-Name:
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drh [Sat, 9 Sep 2017 22:46:56 +0000 (22:46 +0000)]
Simplification and performance improvement to sqlite3_reset().
FossilOrigin-Name:
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drh [Sat, 9 Sep 2017 20:38:49 +0000 (20:38 +0000)]
Improved detection of malformed records by PRAGMA integrity_check.
FossilOrigin-Name:
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dan [Sat, 9 Sep 2017 19:41:12 +0000 (19:41 +0000)]
Enhance the vtab interface to handle IS, !=, IS NOT, IS NULL and IS NOT NULL
constraints.
FossilOrigin-Name:
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mistachkin [Sat, 9 Sep 2017 00:51:36 +0000 (00:51 +0000)]
Fix harmless compiler warnings seen with MSVC.
FossilOrigin-Name:
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dan [Fri, 8 Sep 2017 17:48:00 +0000 (17:48 +0000)]
Have the header comment for sqlite3Checkpoint() mention TRUNCATE along with
the other three checkpoint types. No changes to code.
FossilOrigin-Name:
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drh [Thu, 7 Sep 2017 09:56:37 +0000 (09:56 +0000)]
Prevent a possible crash when trying to recover using a carefully corrupted \
and truncated rollback journal. (Test case in TH3)
FossilOrigin-Name:
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dan [Tue, 5 Sep 2017 20:16:19 +0000 (20:16 +0000)]
Update "PRAGMA integrity_check" to detect inconsistencies between a single
record's header and body.
FossilOrigin-Name:
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dan [Tue, 5 Sep 2017 17:23:39 +0000 (17:23 +0000)]
Fix a comment describing the xRowid method of the "series" virtual table. No
code changes.
FossilOrigin-Name:
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dan [Tue, 5 Sep 2017 16:24:38 +0000 (16:24 +0000)]
Add experimental API sqlite3rbu_temp_size_limit(). For limiting the amount of
temporary disk space RBU uses.
FossilOrigin-Name:
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mistachkin [Mon, 4 Sep 2017 19:31:54 +0000 (19:31 +0000)]
Use the SQLITE_CORRUPT_BKPT return code in a couple more places.
FossilOrigin-Name:
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mistachkin [Mon, 4 Sep 2017 18:44:54 +0000 (18:44 +0000)]
Add the 'mksourceid' executable to the clean target for MSVC.
FossilOrigin-Name:
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drh [Mon, 4 Sep 2017 00:33:04 +0000 (00:33 +0000)]
drh [Mon, 4 Sep 2017 00:19:29 +0000 (00:19 +0000)]
Fix recent test cases in test/indexepxr2.test so that they work even without
SQLITE_ENABLE_STAT4 and SQLITE_ENABLE_JSON1.
FossilOrigin-Name:
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drh [Fri, 1 Sep 2017 14:50:19 +0000 (14:50 +0000)]
Add the new sqlite3PagerUnrefPageOne() pager method to deal with the special
case of unreferencing page1.
FossilOrigin-Name:
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drh [Fri, 1 Sep 2017 12:57:33 +0000 (12:57 +0000)]
Remove an obsolete optimization in pcache that due to more recent changes
was recently making the code a little slower.
FossilOrigin-Name:
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drh [Fri, 1 Sep 2017 12:18:41 +0000 (12:18 +0000)]
Small size and performance improvement in pcacheManageDirtyList() by not
zeroing the PgHdr.pDirtyNext and PgHdr.pDirtyPrev pointers for PgHdr objects
that are not on the dirty list.
FossilOrigin-Name:
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drh [Thu, 31 Aug 2017 21:11:52 +0000 (21:11 +0000)]
Clarify the documentation about "protected" versus "unprotected" sqlite3_value
objects. No changes to code.
FossilOrigin-Name:
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dan [Wed, 30 Aug 2017 13:21:17 +0000 (13:21 +0000)]
Remove unnecessary "__declspec(dllexport)" qualifiers from generated file
shell.c.
FossilOrigin-Name:
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drh [Wed, 30 Aug 2017 04:44:59 +0000 (04:44 +0000)]
drh [Tue, 29 Aug 2017 20:21:12 +0000 (20:21 +0000)]
Faster memory allocation from lookaside by not trying to keep track of the
number of outstanding allocations, and rather computing that value only
when requested.
FossilOrigin-Name:
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drh [Mon, 28 Aug 2017 17:00:12 +0000 (17:00 +0000)]
Add the --enable-update-limit option to the ./configure script.
FossilOrigin-Name:
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drh [Mon, 28 Aug 2017 16:11:05 +0000 (16:11 +0000)]
Avoid unnecessary mutexes in the pcache1 implementation in the common case
where no auxiliary page cache memory is configured.
FossilOrigin-Name:
1ba051e34d7512ab5e8fc969c1b5aaaf827b8e6493ba4235895257aca78b500f
drh [Mon, 28 Aug 2017 15:51:35 +0000 (15:51 +0000)]
Remove the rarely-used scratch memory allocator. This makes the code smaller,
faster, and easier to maintain. In place of the scratch allocator, add the
SQLITE_CONFIG_SMALL_MALLOC configuration option that provides a hint to SQLite
that large memory allocations should be avoided.
FossilOrigin-Name:
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drh [Mon, 28 Aug 2017 14:33:27 +0000 (14:33 +0000)]
Backport changes to shell.c into shell.c.in.
FossilOrigin-Name:
2348045fbc3fc99e2b46095cc86db99815cd1f9254d30a3b72c2b15c02076a84
drh [Mon, 28 Aug 2017 11:12:57 +0000 (11:12 +0000)]
Fix the ".dump", ".schema", and ".fullschema" commands of the command-line
shell so that they work even if PRAGMA empty_result_callbacks is enabled.
Fix for ticket [
02f0f4c54f281 ].
FossilOrigin-Name:
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drh [Fri, 25 Aug 2017 19:51:51 +0000 (19:51 +0000)]
Fix a few over-length source code lines. No functional changes.
FossilOrigin-Name:
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drh [Fri, 25 Aug 2017 15:43:34 +0000 (15:43 +0000)]
Size and performance optimization for sqlite3Init().
FossilOrigin-Name:
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drh [Fri, 25 Aug 2017 13:34:18 +0000 (13:34 +0000)]
Small performance optimization in sqlite3WhereBegin().
FossilOrigin-Name:
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drh [Fri, 25 Aug 2017 13:02:48 +0000 (13:02 +0000)]
Convert a branch made unreachable by [
59560d07 ] into an assert().
FossilOrigin-Name:
2738b8db3caa6ce48d27cb5749d27b79241e6f6682b694886f6ef663e5443583
drh [Fri, 25 Aug 2017 11:44:51 +0000 (11:44 +0000)]
Improve the internal mechanism used to keep track of what kind of syncing
to do for WAL transaction commits and checkpoint operations.
Use the checkpoint-style of syncing to sync the header of a new
or restarted WAL file.
FossilOrigin-Name:
e8d23afe8478e42779ec1dd602ca2d77d4f3c26c4d54f52112c5aaa928536538
dan [Fri, 25 Aug 2017 09:17:14 +0000 (09:17 +0000)]
Avoid returning duplicate rows in experimental pragmas "pragma_list",
"module_list" and "function_list".
FossilOrigin-Name:
b79cc8dc88c8ae03daff1290fd650b2b0e6f673ec9d83be6a533a57172930190
drh [Fri, 25 Aug 2017 01:14:43 +0000 (01:14 +0000)]
Update the mechanism used to keep track of what kind of syncing to do for
WAL transaction commits and checkpoint operations. Use the checkpoint-style
of syncing to sync the header of a new or restarted WAL file.
FossilOrigin-Name:
bf65dae8d4297c57ac63228ccf0100f9fabf2fb600438c9f2e10a29c4b118168
drh [Thu, 24 Aug 2017 20:54:42 +0000 (20:54 +0000)]
drh [Thu, 24 Aug 2017 15:43:26 +0000 (15:43 +0000)]
Fixes to documentation about SQLITE_OPEN_URI.
FossilOrigin-Name:
7ec72314d6b66e4969833194fd032f01963bb861a7bb30d060acdb82dc5d62fe
drh [Thu, 24 Aug 2017 13:55:46 +0000 (13:55 +0000)]
Make sure the sqlite3_result_pointer() interface does not leave a VM register
in an inconsistent state. Fix for ticket [
7486aa54b968e9b5 ]. Test cases
are in TH3.
FossilOrigin-Name:
d2f9230c5c7ad6166e7d2b649f77960fa58b1cb583e529a43882753ab348413c
drh [Wed, 23 Aug 2017 23:09:03 +0000 (23:09 +0000)]
Performance optimization to pageFindSlot() in the b-tree layer.
FossilOrigin-Name:
59560d079fab4b91ec50855cc60349da178209c38fb6dae674ff874ccfc7f5fa
drh [Wed, 23 Aug 2017 20:36:06 +0000 (20:36 +0000)]
Size and performance optimization to dropCell() and freeSpace().
FossilOrigin-Name:
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