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git.ipfire.org Git - thirdparty/sqlite.git/log
mistachkin [Fri, 9 May 2014 00:36:06 +0000 (00:36 +0000)]
Fix several harmless compiler warnings.
FossilOrigin-Name:
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mistachkin [Thu, 8 May 2014 22:15:13 +0000 (22:15 +0000)]
Fix typos in logging code.
FossilOrigin-Name:
dc7f84dfcc8415fad4af041fd30c20b3fd91be45
mistachkin [Thu, 8 May 2014 22:08:22 +0000 (22:08 +0000)]
Fix a memory leak of the temporary read buffer.
FossilOrigin-Name:
37e60d211f70d12eda6d8b63da5e5e307e9d1748
mistachkin [Thu, 8 May 2014 22:05:30 +0000 (22:05 +0000)]
Update comments and only include the thread routine when required.
FossilOrigin-Name:
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mistachkin [Thu, 8 May 2014 22:01:26 +0000 (22:01 +0000)]
Experimental changes to pre-cache a database file prior to it being fully opened.
FossilOrigin-Name:
38cbcedbb6e57dc3c2d452a0eb573cabc7df0c75
mistachkin [Thu, 8 May 2014 22:01:08 +0000 (22:01 +0000)]
Fix static variable declaration issue on Windows.
FossilOrigin-Name:
a41d29691307067523c8637b486941c5f7c33775
dan [Tue, 6 May 2014 16:21:30 +0000 (16:21 +0000)]
Add a little extra variety to the tests in sort4.test.
FossilOrigin-Name:
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dan [Tue, 6 May 2014 15:38:07 +0000 (15:38 +0000)]
Re-implement the core of the multi-threaded sorter tests in sort4.test using C. Run each test in sort4.test ten times, or repeat all tests for 300 seconds as part of the "multithread" permutation test.
FossilOrigin-Name:
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dan [Mon, 5 May 2014 20:03:50 +0000 (20:03 +0000)]
Add test file sort4.test, containing brute force tests for the multi-theaded sorter.
FossilOrigin-Name:
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dan [Mon, 5 May 2014 15:58:40 +0000 (15:58 +0000)]
Fix a race condition in the sorter code.
FossilOrigin-Name:
2d2edfe58db101d42a96772b856e6e55b401aab6
dan [Mon, 5 May 2014 09:08:54 +0000 (09:08 +0000)]
Add tests so that the "coverage-sorter" test permutation covers all branches in vdbesort.c. Fix a few minor problems in the same file.
FossilOrigin-Name:
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dan [Sat, 3 May 2014 20:43:13 +0000 (20:43 +0000)]
Add an extra fault-injection test to sortfault.test. Remove an unreachable branch from vdbesort.c.
FossilOrigin-Name:
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dan [Sat, 3 May 2014 19:33:00 +0000 (19:33 +0000)]
Fix a race condition in the sorter.
FossilOrigin-Name:
32ccf3ae18531682dfd039fa8df6ad9a907ac455
dan [Sat, 3 May 2014 14:28:14 +0000 (14:28 +0000)]
Fix a problem in the sorter causing it to return spurious SQLITE_NOMEM errors when configured to use memsys3 or memsys5.
FossilOrigin-Name:
3a66c4e1bf311d38668dfcdcd77867feff6db7bd
drh [Sat, 3 May 2014 13:53:37 +0000 (13:53 +0000)]
Get SQLITE_MUTEX_STATIC_APP1 and _APP2 working for the debugMutex
implementation.
FossilOrigin-Name:
f49ba1c926c63ee1c4609930138389fca182c845
drh [Sat, 3 May 2014 12:00:01 +0000 (12:00 +0000)]
Add two new static mutexes, SQLITE_MUTEX_STATIC_APP1 and _APP2, for use by
the application program. First intended use is in test programs for the
memory allocation logic where one does not want to allocating a _FAST
or _RECURSIVE mutex since that would involve using the memory allocation
system under test.
FossilOrigin-Name:
13686035dd1cf67ad9c6d282ab13c3259e7273d1
drh [Sat, 3 May 2014 11:22:09 +0000 (11:22 +0000)]
Add the SQLITE_DEFAULT_WORKER_THREADS compile-time option.
Fix a NULL-pointer dereference that can occur following OOM.
FossilOrigin-Name:
e0dea89b3e9f295f80210fcca007681bf1b08692
mistachkin [Fri, 2 May 2014 19:12:37 +0000 (19:12 +0000)]
Fix typo in Windows makefile. Make sure the WaitForSingleObjectEx system call is always available.
FossilOrigin-Name:
d7ed529fa2aa5cb13edaabca2acaad06dffef569
drh [Fri, 2 May 2014 18:46:52 +0000 (18:46 +0000)]
Do not run the vdbeRecordCompareDebug() assert if pKeyInfo->db is NULL since
in that case there would be no way to check for a memory allocation failure.
FossilOrigin-Name:
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dan [Fri, 2 May 2014 18:05:38 +0000 (18:05 +0000)]
Merge orderby-planning with this branch.
FossilOrigin-Name:
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drh [Fri, 2 May 2014 17:33:16 +0000 (17:33 +0000)]
Simplify assert() statements used to verify correct operation of
record comparison routines.
FossilOrigin-Name:
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dan [Fri, 2 May 2014 17:12:41 +0000 (17:12 +0000)]
Fix some broken asserts in btree.c and vdbeaux.c that may fail following an OOM error.
FossilOrigin-Name:
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drh [Fri, 2 May 2014 16:22:55 +0000 (16:22 +0000)]
Failure to extend a temp file for use with mmap() in vdbesort.c is benign.
FossilOrigin-Name:
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dan [Fri, 2 May 2014 16:03:57 +0000 (16:03 +0000)]
Remove a faulty assert() from vdbesort.c.
FossilOrigin-Name:
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drh [Fri, 2 May 2014 15:25:24 +0000 (15:25 +0000)]
Fix a faulty assert() statement.
FossilOrigin-Name:
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drh [Fri, 2 May 2014 13:09:06 +0000 (13:09 +0000)]
Merge latest trunk enhancements and fixes into the orderby-planning branch.
FossilOrigin-Name:
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drh [Fri, 2 May 2014 00:09:40 +0000 (00:09 +0000)]
Add a comment explaining why WhereLoop cost adjustments are omitted for
skip-scan loops.
FossilOrigin-Name:
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dan [Thu, 1 May 2014 20:26:48 +0000 (20:26 +0000)]
Fix an obscure problem to do with temp register allocation that could occur if more than one simple SELECT within a compound SELECT uses a partial sort.
FossilOrigin-Name:
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drh [Thu, 1 May 2014 20:24:21 +0000 (20:24 +0000)]
Add #ifdefs for test coverage. Add a testcase().
FossilOrigin-Name:
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dan [Thu, 1 May 2014 10:19:16 +0000 (10:19 +0000)]
Update a test case in wal2.test that explicitly corrupts a checksum in the wal file to account for the fact that the first byte of said checksum may initially be 0xFF.
FossilOrigin-Name:
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dan [Wed, 30 Apr 2014 18:11:55 +0000 (18:11 +0000)]
Fix a problem in calculating the costs of "OR" scans.
FossilOrigin-Name:
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dan [Wed, 30 Apr 2014 15:22:25 +0000 (15:22 +0000)]
Modify the way the costs of various query plans are estimated. If the user supplies a likelihood() value (or equivalent) on an indexed WHERE constraint, use it to estimate the number of index rows visited.
FossilOrigin-Name:
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dan [Wed, 30 Apr 2014 15:00:16 +0000 (15:00 +0000)]
Add text to the header comment of whereLoopAddBtree() describing how the costs of various b-tree loops are estimated.
FossilOrigin-Name:
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dan [Wed, 30 Apr 2014 14:53:21 +0000 (14:53 +0000)]
Update a couple of test cases to account for the fact that this branch prefers an index scan and partial sort over a full-table scan and full external sort.
FossilOrigin-Name:
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dan [Wed, 30 Apr 2014 14:47:01 +0000 (14:47 +0000)]
Fix a couple of out-of-date comments in where.c.
FossilOrigin-Name:
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drh [Wed, 30 Apr 2014 14:22:38 +0000 (14:22 +0000)]
Improved rendering of LogEst values corresponding to real values near 0.0
in the tool/logest.c utility program.
FossilOrigin-Name:
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drh [Wed, 30 Apr 2014 13:19:09 +0000 (13:19 +0000)]
Fix long-standing typos in comments.
FossilOrigin-Name:
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dan [Tue, 29 Apr 2014 19:01:57 +0000 (19:01 +0000)]
Test that the default values used when sqlite_stat1 data is not available are calculated correctly. Fixes for the same.
FossilOrigin-Name:
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dan [Tue, 29 Apr 2014 16:46:24 +0000 (16:46 +0000)]
Merge trunk changes into this branch.
FossilOrigin-Name:
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dan [Tue, 29 Apr 2014 16:10:22 +0000 (16:10 +0000)]
Ignore likelihood() values on indexed IPK lookups.
FossilOrigin-Name:
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dan [Tue, 29 Apr 2014 12:01:35 +0000 (12:01 +0000)]
Fix a test case so that it updates sqlite_stat1 consistently.
FossilOrigin-Name:
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dan [Mon, 28 Apr 2014 20:11:20 +0000 (20:11 +0000)]
Do not reduce the number of rows scanned at all for "IS NOT NULL" constraints. Fix a bug in calculating the number of rows visited by scans of partial indicies.
FossilOrigin-Name:
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dan [Mon, 28 Apr 2014 19:34:06 +0000 (19:34 +0000)]
The trunk assumes that an open range constraint on an indexed term (col>?) term matches 1/4 of the indexed rows, and that a closed constraint (col BETWEEN ? AND ?) matches 1/64. Change this branch to do the same.
FossilOrigin-Name:
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drh [Mon, 28 Apr 2014 17:56:19 +0000 (17:56 +0000)]
Add the sqlite3_rtree_query_callback() API to the RTree virtual table.
(Cherrypick from the sessions branch.)
FossilOrigin-Name:
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dan [Mon, 28 Apr 2014 15:11:25 +0000 (15:11 +0000)]
Update unordered.test to take into account for the fact that SQLite now prefers a full-table scan over a non-covering index scan that visits a large percentage of the table rows.
FossilOrigin-Name:
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dan [Mon, 28 Apr 2014 12:08:23 +0000 (12:08 +0000)]
Add an extra column to a table in analyze9.test to give the planner a little more reason to select an index.
FossilOrigin-Name:
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dan [Mon, 28 Apr 2014 10:00:59 +0000 (10:00 +0000)]
Update test script analyze3.test to account for the fact that SQLite now prefers a full-table scan over a non-covering index scan that visits a large percentage of the table rows.
FossilOrigin-Name:
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dan [Mon, 28 Apr 2014 09:35:31 +0000 (09:35 +0000)]
Modify internal function whereLoopAdjustCost() so that it does not prefer a skip-scan over a regular index scan even if the regular scan uses a subset of the WHERE terms used by the skip-scan.
FossilOrigin-Name:
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dan [Mon, 28 Apr 2014 08:49:54 +0000 (08:49 +0000)]
Fix an error in estimating of the number of rows visited by a range scan.
FossilOrigin-Name:
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dan [Sat, 26 Apr 2014 20:21:14 +0000 (20:21 +0000)]
Fix an sqlite3_stmt_status() problem caused by recent changs on this branch.
FossilOrigin-Name:
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drh [Sat, 26 Apr 2014 19:23:14 +0000 (19:23 +0000)]
Update requirements marks to fix typos in the requirements text.
No changes to code.
FossilOrigin-Name:
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drh [Sat, 26 Apr 2014 17:52:08 +0000 (17:52 +0000)]
Allow the xfer optimization to proceed if the DEFAULT on the very first
column of the two tables is different. This is a refinement of the
fix for ticket [
f67b41381a ].
FossilOrigin-Name:
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dan [Sat, 26 Apr 2014 14:07:57 +0000 (14:07 +0000)]
Avoid transfering records between tables unless the default values for all columns are the same. Fix for [
f67b41381a ].
FossilOrigin-Name:
f8c4c495e6de1f124d205383d4bafa46accbff5c
dan [Fri, 25 Apr 2014 20:22:45 +0000 (20:22 +0000)]
If the user provides likelihood() data for a WHERE clause term used as part of an index key, have the planner use it when calculating the expected number of rows visited by the loop.
FossilOrigin-Name:
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drh [Fri, 25 Apr 2014 17:37:16 +0000 (17:37 +0000)]
Add test cases to ensure correct operation of joins with a virtual table
that include DISTINCT and ORDER BY clauses. Verification for ticket
[
388d01d4bb8f9 ].
FossilOrigin-Name:
5ada136f43ce744ae8c349eff39838eb44611b6e
dan [Fri, 25 Apr 2014 15:01:01 +0000 (15:01 +0000)]
Store values loaded from the stat1 table as logarithmic values in memory.
FossilOrigin-Name:
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drh [Fri, 25 Apr 2014 14:42:17 +0000 (14:42 +0000)]
Make sure ORDER BY clauses on joins that involve virtual tables and that
have a DISTINCT clause work correctly. This is a candidate fix for
ticket [
388d01d4bb8f9 ]. Test cases for that ticket will be checked in
separately.
FossilOrigin-Name:
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drh [Fri, 25 Apr 2014 12:35:31 +0000 (12:35 +0000)]
When VDBE_PROFILE is enabled, ignore negative opcode times, which sometimes
occur, perhaps due to context swaps.
FossilOrigin-Name:
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dan [Thu, 24 Apr 2014 20:04:49 +0000 (20:04 +0000)]
Changes to the way the planner calculates the costs of various table and index scans. Some test cases still failing.
FossilOrigin-Name:
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drh [Thu, 24 Apr 2014 16:25:25 +0000 (16:25 +0000)]
Improved header comment on the vdbesort.c module. No changes to code.
FossilOrigin-Name:
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drh [Thu, 24 Apr 2014 15:06:25 +0000 (15:06 +0000)]
Reopen the orderby-planning branch and merge in the latest trunk enhancements
and fixes.
FossilOrigin-Name:
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drh [Thu, 24 Apr 2014 12:28:28 +0000 (12:28 +0000)]
Improvements to comments. Store some extra information in SqliteThread that
is useful for debugging.
FossilOrigin-Name:
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drh [Wed, 23 Apr 2014 12:57:55 +0000 (12:57 +0000)]
Merge all recent trunk changes into the threads branch.
FossilOrigin-Name:
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drh [Mon, 21 Apr 2014 13:36:54 +0000 (13:36 +0000)]
Comment tweaks on the test case for the [
b75a9ca6b0 ] bug fix.
FossilOrigin-Name:
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dan [Mon, 21 Apr 2014 13:21:56 +0000 (13:21 +0000)]
Avoid discarding an ORDER BY clause in the case where an identical GROUP BY clauses uses an index to group, but not sort, the rows. Fix for [
b75a9ca6b0 ].
FossilOrigin-Name:
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drh [Fri, 18 Apr 2014 22:20:31 +0000 (22:20 +0000)]
Clean up the proper-subset cost adjustment logic to make it more compact
and easier to read and so that full branch test coverage is more easily
obtained.
FossilOrigin-Name:
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drh [Fri, 18 Apr 2014 13:57:39 +0000 (13:57 +0000)]
Add to speedtest1.c the --threads option for setting the
SQLITE_CONFIG_WORKER_THREADS configuration.
FossilOrigin-Name:
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drh [Fri, 18 Apr 2014 13:40:07 +0000 (13:40 +0000)]
Fix harmless compiler warnings.
FossilOrigin-Name:
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drh [Fri, 18 Apr 2014 12:38:54 +0000 (12:38 +0000)]
Merge recent trunk changes into the threads branch.
FossilOrigin-Name:
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drh [Fri, 18 Apr 2014 00:49:29 +0000 (00:49 +0000)]
Add the SQLITE_RUNTIME_BYTEORDER compile-time option to force SQLite to check
the processor byte-order at run-time. Add additional compile-time byte order
checks for ARM, PPC, and SPARC.
FossilOrigin-Name:
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drh [Fri, 18 Apr 2014 00:06:02 +0000 (00:06 +0000)]
Add the SQLITE_TESTCTRL_BYTEORDER test control to interrogate SQLite's notion
of the processor byte order and whether the byte order is known at compile-time
or determined at run-time.
FossilOrigin-Name:
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dan [Thu, 17 Apr 2014 08:57:17 +0000 (08:57 +0000)]
Fix build problems in vdbesort.c. Add further comments and changes to make things easier to understand.
FossilOrigin-Name:
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dan [Wed, 16 Apr 2014 19:04:23 +0000 (19:04 +0000)]
Clarify the purpose of the nField argument passed to sqlite3VdbeSorterInit().
FossilOrigin-Name:
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dan [Wed, 16 Apr 2014 17:41:22 +0000 (17:41 +0000)]
Change the name of vdbeIncrInit2 to vdbePmaReaderIncrInit. Add a header comment to the same function.
FossilOrigin-Name:
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dan [Wed, 16 Apr 2014 16:43:05 +0000 (16:43 +0000)]
Rework the way trees of MergeEngine objects are built in vdbesort.c to make it easier to follow. Fix memory leaks that could follow an OOM or IO error. Add various comments to explain functions in vdbesort.c.
FossilOrigin-Name:
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dan [Tue, 15 Apr 2014 20:52:27 +0000 (20:52 +0000)]
Fix some problems to do with OOM conditions in vdbesort.c. Some problems remain.
FossilOrigin-Name:
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dan [Tue, 15 Apr 2014 19:52:34 +0000 (19:52 +0000)]
Fix further code and documentation issues in vdbesort.c.
FossilOrigin-Name:
d03f5b8622d304f029f73c7cd0bee3182a81d081
drh [Mon, 14 Apr 2014 19:48:25 +0000 (19:48 +0000)]
Make sure the undocumented sqlite_rename_parent() function does not
crash even if it is invoked with NULL arguments.
Ticket [
264b970c4379fd4b94 ]
FossilOrigin-Name:
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dan [Mon, 14 Apr 2014 19:23:18 +0000 (19:23 +0000)]
Allow the sorter to begin returning data to the VDBE as soon as it is available, instead of waiting until all keys have been sorted.
FossilOrigin-Name:
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dan [Mon, 14 Apr 2014 18:41:21 +0000 (18:41 +0000)]
Improve performance in single-threaded mode by having the final merge pass keys directly to the VDBE, instead of going via a final PMA.
FossilOrigin-Name:
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dan [Mon, 14 Apr 2014 08:45:32 +0000 (08:45 +0000)]
Minor fixes so that builds with SQLITE_MAX_WORKER_THREADS=0 work.
FossilOrigin-Name:
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dan [Mon, 14 Apr 2014 07:30:39 +0000 (07:30 +0000)]
Improve use of multiple threads in sqlite3VdbeSorterRewind().
FossilOrigin-Name:
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drh [Sun, 13 Apr 2014 19:28:15 +0000 (19:28 +0000)]
Remove the unused second argument from sqlite3ExprCachePop(). Add an
ALWAYS() on an always-true conditional in sqlite3VdbeResolveLabel().
FossilOrigin-Name:
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drh [Sun, 13 Apr 2014 19:15:49 +0000 (19:15 +0000)]
Make sure column cache elements are cleared correctly when jumping over
code for key generation in a partial index.
Fix for ticket [
2ea3e9fe6379fc3f6 ].
FossilOrigin-Name:
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dan [Sat, 12 Apr 2014 19:34:44 +0000 (19:34 +0000)]
Fix many issues with new code.
FossilOrigin-Name:
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dan [Fri, 11 Apr 2014 19:43:07 +0000 (19:43 +0000)]
Avoid having the sorter merge too many PMAs at a time when incrementally merging data following a SorterRewind().
FossilOrigin-Name:
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drh [Thu, 10 Apr 2014 02:24:48 +0000 (02:24 +0000)]
Modify the OR-clause handling so that it can safely deal with OR-clause
with 17 or more terms. Fix for ticket [
10fb063b1179be53ea0b53bb ].
FossilOrigin-Name:
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dan [Wed, 9 Apr 2014 20:04:17 +0000 (20:04 +0000)]
Experimental multi-threaded sorting changes to allow the sorter to begin returning items to the VDBE before all data is sorted.
FossilOrigin-Name:
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drh [Fri, 4 Apr 2014 22:44:59 +0000 (22:44 +0000)]
Fix harmless compiler warnings.
FossilOrigin-Name:
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mistachkin [Fri, 4 Apr 2014 21:40:38 +0000 (21:40 +0000)]
Fix typo in a Windows threading support routine.
FossilOrigin-Name:
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drh [Fri, 4 Apr 2014 18:49:19 +0000 (18:49 +0000)]
Performance improvements when reading large blobs, especially if
SQLITE_DIRECT_OVERFLOW_READ is defined.
FossilOrigin-Name:
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drh [Fri, 4 Apr 2014 18:37:36 +0000 (18:37 +0000)]
Merge the latest trunk changes into the threads branch.
FossilOrigin-Name:
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drh [Fri, 4 Apr 2014 18:20:35 +0000 (18:20 +0000)]
Merge changes to the query planner that strive to ensure that any index
usage that is a proper subset of some other index usage always has a slightly
higher cost.
FossilOrigin-Name:
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drh [Fri, 4 Apr 2014 14:12:52 +0000 (14:12 +0000)]
Ensure the "PRAGMA journal_mode=WAL" works coming from any other journal_mode
with ATTACH-ed databases.
FossilOrigin-Name:
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dan [Fri, 4 Apr 2014 07:52:44 +0000 (07:52 +0000)]
Add test file sort3.test, which should have been part of commit [
9d3351b8d7 ].
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dceed2c803fca23c83c02c448d5ae7c4698efee1
drh [Fri, 4 Apr 2014 02:13:26 +0000 (02:13 +0000)]
Change vdbeSorterExtendFile() so that it makes a best effort to create the
PMA file of the desired size, but does not return an error if unable.
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217814bc4b53fab7bdad433e24e8aef8998c38fe
drh [Thu, 3 Apr 2014 16:42:21 +0000 (16:42 +0000)]
Merge all recent changes from trunk.
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a0910079adde95245680dee59b43613b60903f10
drh [Thu, 3 Apr 2014 16:29:31 +0000 (16:29 +0000)]
Use OP_Copy instead of OP_SCopy when moving results out of a subquery,
to prevent the subquery results from changing out from under the outer
query. Fix for ticket [
1e64dd782a126f48d78 ].
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d5513dfa23baa0b0a095aaf17d19aacd30dcef61
dan [Thu, 3 Apr 2014 16:25:29 +0000 (16:25 +0000)]
Fix an integer overflow problem in the sorter.
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9d3351b8d713232133dad149c73fb2a27c72abb1
drh [Thu, 3 Apr 2014 14:31:00 +0000 (14:31 +0000)]
Fix a typo in the "Synopsis:" comment for the OP_VFilter opcode.
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48ecdd4aff03741f96c070dced69c3c273b652cb