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git.ipfire.org Git - thirdparty/sqlite.git/log
drh [Sat, 23 Nov 2013 22:45:12 +0000 (22:45 +0000)]
A much simpler fix is to simply change MEMSYS5 so that it takes any free
block of the appropriate size (the first on the list of free blocks) rather
than searching for the one with the smallest address. This is also faster
than using the min-heap algorithm. Need to research to verify that the
allocator still satisfies the Robson proof, however.
FossilOrigin-Name:
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drh [Sat, 23 Nov 2013 21:29:07 +0000 (21:29 +0000)]
Add newlines at the end of some error messages in speedtest1.
FossilOrigin-Name:
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drh [Sat, 23 Nov 2013 11:45:58 +0000 (11:45 +0000)]
Report errors from sqlite3_exec() and sqlite3_config() in speedtest1. Fix
a bug in the main testing logic that was found by these error reports.
FossilOrigin-Name:
659f1a98ae698d062269f8fdac84f733a460f5de
drh [Sat, 23 Nov 2013 04:32:18 +0000 (04:32 +0000)]
Fix the order of parameters to SQLITE_CONFIG_PAGECACHE in the
speedtest1.exe program.
FossilOrigin-Name:
dbe85ef6d265ed31f4b56dfc0c72bad6adcfd7f0
mistachkin [Sat, 23 Nov 2013 04:22:19 +0000 (04:22 +0000)]
Adjust MSVC makefile to avoid using forward slashes in file names.
FossilOrigin-Name:
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drh [Sat, 23 Nov 2013 04:16:58 +0000 (04:16 +0000)]
Add the "speedtest1.exe" test program.
FossilOrigin-Name:
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mistachkin [Fri, 22 Nov 2013 21:32:44 +0000 (21:32 +0000)]
Fix harmless compiler warning.
FossilOrigin-Name:
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mistachkin [Fri, 22 Nov 2013 00:49:43 +0000 (00:49 +0000)]
Minor correction to the batch build tool for MSVC.
FossilOrigin-Name:
22144c9df260910c4b67960b0e6a6bd5a6758cd7
drh [Thu, 21 Nov 2013 23:37:02 +0000 (23:37 +0000)]
Fix a harmless clang warning in the command-line shell.
FossilOrigin-Name:
3d47a556f0074e39b880186fb7661b1b8955f742
drh [Thu, 21 Nov 2013 22:02:52 +0000 (22:02 +0000)]
Slight change to the --timer output on wordcount for better display on
windows: Avoid showing the full pathname of the executable.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 21:59:53 +0000 (21:59 +0000)]
Changes some offset and amount parameters from "int" to "u32" to avoid
harmless signed/unsigned comparison warnings.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 21:40:45 +0000 (21:40 +0000)]
Modify wordcount so that timer information appears on standard error instead
of standard output. Rename the run-wordcount.bash script to run-wordcount.sh
and simplify it so that it stands a better chance of running on non-GNU
systems.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 21:23:31 +0000 (21:23 +0000)]
Do not reuse factored constants that might have had their encodings changed.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 20:48:42 +0000 (20:48 +0000)]
Fix the code generator to honor turning off constant expression factoring.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 19:27:45 +0000 (19:27 +0000)]
Add the --timer option to the wordcount test program.
FossilOrigin-Name:
a89fdf87553f01c150729c570796b5078a9b069d
drh [Thu, 21 Nov 2013 19:05:04 +0000 (19:05 +0000)]
Remove a test from sqlite3VdbeMemFromBtree() which was unnecessary, and
after the recent OP_Column refactoring, unreachable.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 17:24:18 +0000 (17:24 +0000)]
Make sure the OP_Next and OP_NextIfOpen opcodes are numbered close together
for efficiency in switch() statements. OP_Prev and OP_PrevIfOpen too.
FossilOrigin-Name:
d4ccf0f5c656c8f0e1c32d5f7971b131f42c3cbd
drh [Thu, 21 Nov 2013 16:08:52 +0000 (16:08 +0000)]
When one or more arguments to a function are constants, try to factor
out just those arguments into initialization code.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 14:44:38 +0000 (14:44 +0000)]
Remove the obsolete TK_CONST_FUNC token type.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 14:33:48 +0000 (14:33 +0000)]
Add the ability to factor constant functions out of inner loops. But do
not factor out non-constant functions, like random().
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 04:18:31 +0000 (04:18 +0000)]
Another improvement to OP_Function and an improvement to OP_Move.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 03:43:12 +0000 (03:43 +0000)]
A simple change to the OP_Function opcode improves overall performance by
about 0.5%.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 03:12:25 +0000 (03:12 +0000)]
Performance optimization to the OP_Next and OP_Prev opcodes.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 01:33:45 +0000 (01:33 +0000)]
Refactor the OP_Column opcode to make it clearer and easier to maintain.
Overall, performance tests show about a 1% speed increase with this change.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 01:04:02 +0000 (01:04 +0000)]
Reduce the size of VdbeCursor again, this time without a performance hit.
FossilOrigin-Name:
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drh [Thu, 21 Nov 2013 00:10:35 +0000 (00:10 +0000)]
Unpack some fields, adding some space back to the VdbeCursor object,
in order to help the code to run a little faster.
FossilOrigin-Name:
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drh [Wed, 20 Nov 2013 21:51:33 +0000 (21:51 +0000)]
Reduce the size of the VdbeCursor object from 144 to 120 bytes.
FossilOrigin-Name:
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drh [Wed, 20 Nov 2013 20:58:00 +0000 (20:58 +0000)]
Improved comments on the OP_Column changes. Optimize out loading of overflow
pages for content with zero length. Add test cases for the latter.
FossilOrigin-Name:
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drh [Wed, 20 Nov 2013 19:28:03 +0000 (19:28 +0000)]
Further performance tweaks to OP_Column.
FossilOrigin-Name:
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drh [Wed, 20 Nov 2013 17:25:55 +0000 (17:25 +0000)]
Refactoring the OP_Column opcode for improved performance and
maintainability.
FossilOrigin-Name:
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drh [Wed, 20 Nov 2013 02:53:58 +0000 (02:53 +0000)]
Simplifications to the VdbeCursor object.
FossilOrigin-Name:
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drh [Wed, 20 Nov 2013 00:59:02 +0000 (00:59 +0000)]
Performance improvement for the OP_MustBeInt opcode in the VDBE.
FossilOrigin-Name:
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drh [Tue, 19 Nov 2013 18:17:20 +0000 (18:17 +0000)]
Fix a harmless MSVC compiler warning.
FossilOrigin-Name:
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drh [Tue, 19 Nov 2013 13:55:34 +0000 (13:55 +0000)]
Minor performance improvement to sqlite3SerialTypeGet().
FossilOrigin-Name:
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drh [Tue, 19 Nov 2013 12:33:23 +0000 (12:33 +0000)]
Change Noop-comments in where.c into Module-comments, so that they are
omitting without SQLITE_ENABLE_MODULE_COMMENTS.
FossilOrigin-Name:
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drh [Tue, 19 Nov 2013 02:34:11 +0000 (02:34 +0000)]
Avoid seeking on the main data table during the first loop of an UPDATE
if an index is sufficient to check the WHERE clause.
FossilOrigin-Name:
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drh [Tue, 19 Nov 2013 00:31:25 +0000 (00:31 +0000)]
Fix an requirement mark in a test script so that it matches the
typo-corrected requirement. No changes to code.
FossilOrigin-Name:
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drh [Mon, 18 Nov 2013 19:32:15 +0000 (19:32 +0000)]
Add comments identifing where the skip-scan option is decided in the
query planner, to aid in tuning that decision. No changes to code.
FossilOrigin-Name:
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drh [Mon, 18 Nov 2013 18:48:50 +0000 (18:48 +0000)]
Fix documentation typos. No changes to code.
FossilOrigin-Name:
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drh [Mon, 18 Nov 2013 11:20:50 +0000 (11:20 +0000)]
Fix harmless compiler warnings from clang scan-build.
FossilOrigin-Name:
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dan [Mon, 18 Nov 2013 08:41:06 +0000 (08:41 +0000)]
Fix a problem with the shell tool EXPLAIN indentation code and VDBE sub-programs.
FossilOrigin-Name:
9c8d6856253f8da06b2cb5dc6bd89b6952fa03ed
drh [Mon, 18 Nov 2013 03:11:54 +0000 (03:11 +0000)]
Enable the ONEPASS optimization for DELETE, for both rowid and WITHOUT
ROWID tables.
FossilOrigin-Name:
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drh [Sun, 17 Nov 2013 02:42:02 +0000 (02:42 +0000)]
Make sure one-pass DELETE for WITHOUT ROWID tables correctly positions the
PRIMARY KEY cursor. Make the same fix for UPDATE.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 23:16:31 +0000 (23:16 +0000)]
Fix a couple of minor problems with the new delete logic.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 23:03:06 +0000 (23:03 +0000)]
Fix an OOM-recovery problem in the DELETE code generator.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 22:48:52 +0000 (22:48 +0000)]
Combine the rowid and WITHOUT ROWID paths for DELETE into a single path.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 20:45:01 +0000 (20:45 +0000)]
The one-pass optimization is now working for DELETE on WITHOUT ROWID tables.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 20:13:39 +0000 (20:13 +0000)]
Enhance the DELETE logic so that it can make use of WHERE_ONEPASS_DESIRED
for rowid tables.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 15:35:18 +0000 (15:35 +0000)]
Fully constraint the ORDER BY on the top-10 line of the --summary output
from the wordcount test program. Add the run-wordcount.bash script for
running wordcount in various configurations.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 14:03:53 +0000 (14:03 +0000)]
Avoid unnecessary OP_IfNull checks when doing a range query where there
is a constraint on the lower bound of the range.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 13:55:34 +0000 (13:55 +0000)]
Simplification and performance improvement to the logic that factors
constant expressions ouf of inner loops.
FossilOrigin-Name:
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drh [Sat, 16 Nov 2013 12:56:46 +0000 (12:56 +0000)]
Fix testcase misc7-16 so that it works with the new UNIQUE constraint error
message format.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 20:06:26 +0000 (20:06 +0000)]
Add ALWAYS and NEVER macros to currently unreachable but important branches in
sqlite3ExprCompare().
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 19:00:20 +0000 (19:00 +0000)]
Merge the operator comment fixes from trunk.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 18:58:37 +0000 (18:58 +0000)]
Fix comments on the OP_Divide and OP_Remainder operators, especially the
"Synopsis:" comment, so that they agree with the actual implementation.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 18:15:19 +0000 (18:15 +0000)]
Changes to make the new constant expression factoring logic more general
and more testable.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 16:48:23 +0000 (16:48 +0000)]
Add test cases for INSERT INTO ... DEFAULT VALUES on tables with numeric
constants in CHECK constraints.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 15:52:39 +0000 (15:52 +0000)]
Improvements to the Expr comparison routine to make it more general.
Improvements to unary-minus code generation so that it can make use of
a global constant register with a zero value.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 13:12:30 +0000 (13:12 +0000)]
Add the --query option to the wordcount test program.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 12:41:01 +0000 (12:41 +0000)]
Simplify the range scan code generate while also avoiding an unnecessary
OP_Affinity opcode.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 03:30:07 +0000 (03:30 +0000)]
Merge EXPLAIN fixes from trunk.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 03:21:43 +0000 (03:21 +0000)]
Fix a typo in the "synopsis" for the OP_Lt opcode that causes an
incorrect comment to be added to EXPLAIN output.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 03:16:34 +0000 (03:16 +0000)]
Another adjustment to the EXPLAIN indentation logic, in order to deal with
the sorter loop on a CREATE INDEX statement.
FossilOrigin-Name:
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drh [Fri, 15 Nov 2013 01:10:18 +0000 (01:10 +0000)]
Rework the logic that factors constant expressions out of inner loops, making
it both simpler and faster.
FossilOrigin-Name:
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drh [Thu, 14 Nov 2013 23:59:33 +0000 (23:59 +0000)]
Adjust the command-line shell EXPLAIN indentation logic to handle the
second loop of an UPDATE that reads out a RowSet.
FossilOrigin-Name:
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drh [Thu, 14 Nov 2013 19:34:10 +0000 (19:34 +0000)]
Remove an unused local variable.
FossilOrigin-Name:
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drh [Thu, 14 Nov 2013 00:09:48 +0000 (00:09 +0000)]
Simplification to the progress callback check. On branch removed.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 23:48:46 +0000 (23:48 +0000)]
Make sure the progress callback is invoked prior to an SQLITE_ROW return if
it is overdue to be called.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 20:46:11 +0000 (20:46 +0000)]
Merge the skip-scan enhancement into trunk.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 19:01:41 +0000 (19:01 +0000)]
Import the "PRAGMA vdbe_eqp" enhancement and the enhanced EXPLAIN formatting
the shell from trunk. Fix a bug in skip-scan and add a test case to prevent
a regression.
FossilOrigin-Name:
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dan [Wed, 13 Nov 2013 18:35:01 +0000 (18:35 +0000)]
In the shell tool, if an "EXPLAIN" command is executed in ".explain on" mode, attempt to automatically indent the bodies of loops in the output VDBE program.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 17:58:23 +0000 (17:58 +0000)]
Add the "PRAGMA vdbe_eqp" command, only available with SQLITE_DEBUG. Simplify
some of the other debugging logic.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 17:24:38 +0000 (17:24 +0000)]
Add VDBE comments to the beginning and end of skip-scan loops.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 16:58:54 +0000 (16:58 +0000)]
Improve the way that skip-scan loops are constructued. Add test cases.
Improved the scoring of skip-scan loops.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 15:32:15 +0000 (15:32 +0000)]
Add test cases for skip-scan. Enhance "do_test" so that if the expected result
is of the form "/*..*/" or "~/*..*/" it treats the expected result as a glob
pattern rather than as a regular expression. Fix a bug in ANALYZE result
loading associated with WITHOUT ROWID tables.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 12:27:25 +0000 (12:27 +0000)]
Add the ability to use an index even if the left-most columns of the index
are unconstrainted, provided that the left-most columns have few distinct
values.
FossilOrigin-Name:
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drh [Wed, 13 Nov 2013 08:55:02 +0000 (08:55 +0000)]
Avoid an unnecessary OP_IfNull while doing an indexed search.
FossilOrigin-Name:
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mistachkin [Tue, 12 Nov 2013 21:37:04 +0000 (21:37 +0000)]
Adjust the SQLITE_MALLOCSIZE defines, primarily to make sure _msize gets used with MSVC when appropriate.
FossilOrigin-Name:
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mistachkin [Tue, 12 Nov 2013 21:10:02 +0000 (21:10 +0000)]
Fix harmless compiler warning.
FossilOrigin-Name:
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drh [Tue, 12 Nov 2013 20:18:14 +0000 (20:18 +0000)]
Minor enhancements to the auxiliary information added to EXPLAIN output with
SQLITE_EXPLAIN_ENABLE_COMMENTS.
FossilOrigin-Name:
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drh [Tue, 12 Nov 2013 18:37:25 +0000 (18:37 +0000)]
Break out the structure and macro definitions of where.c into a separate
header file whereInt.h for easier editing and debugging.
FossilOrigin-Name:
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dan [Tue, 12 Nov 2013 17:46:44 +0000 (17:46 +0000)]
When possible, have FTS use 32-bit operations to read varints from the database.
FossilOrigin-Name:
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drh [Tue, 12 Nov 2013 15:33:40 +0000 (15:33 +0000)]
A better (simpler) fix to the count(*) problem addressed in the previous
check-in.
FossilOrigin-Name:
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drh [Tue, 12 Nov 2013 14:55:40 +0000 (14:55 +0000)]
Make sure the count(*) optimization works correctly on WITHOUT ROWID tables.
FossilOrigin-Name:
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dan [Tue, 12 Nov 2013 12:30:09 +0000 (12:30 +0000)]
Update test command [explain_i] to handle the opcodes used by virtual tables (VNext, VFilter etc.).
FossilOrigin-Name:
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dan [Tue, 12 Nov 2013 12:17:16 +0000 (12:17 +0000)]
Fix for [
4065ac8595 ]: Do not order CROSS or LEFT joins, even if the right-hand-side is a virtual table.
FossilOrigin-Name:
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drh [Tue, 12 Nov 2013 01:11:56 +0000 (01:11 +0000)]
Fix an error message in the spellfix extension so that it conforms to the
style of error messages in the core.
FossilOrigin-Name:
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drh [Mon, 11 Nov 2013 23:26:34 +0000 (23:26 +0000)]
Add a comment to the sqlite3_index_info structure indicating that the new
field is only available in SQLite 3.8.2 or later.
FossilOrigin-Name:
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dan [Mon, 11 Nov 2013 19:56:35 +0000 (19:56 +0000)]
Fix typos in compile and run-time tests of the sqlite library version number in rtree.c.
FossilOrigin-Name:
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dan [Mon, 11 Nov 2013 19:01:33 +0000 (19:01 +0000)]
Add a way for virtual tables to return the expected number of rows for a scan (not just the overall cost) to SQLite. Have the rtree module make use of this.
FossilOrigin-Name:
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drh [Mon, 11 Nov 2013 16:55:52 +0000 (16:55 +0000)]
Remove unreachable code, replacing it in most cases with assert() or NEVER()
macros.
FossilOrigin-Name:
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mistachkin [Mon, 11 Nov 2013 03:37:04 +0000 (03:37 +0000)]
Fix issue with several memory allocation tests due to KeyInfo allocations now being shared.
FossilOrigin-Name:
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drh [Mon, 11 Nov 2013 03:24:11 +0000 (03:24 +0000)]
Convert several ALWAYS() macros in vdbe.c into assert() statements.
FossilOrigin-Name:
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mistachkin [Mon, 11 Nov 2013 02:46:32 +0000 (02:46 +0000)]
Fix several harmless compiler warnings.
FossilOrigin-Name:
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mistachkin [Mon, 11 Nov 2013 01:42:10 +0000 (01:42 +0000)]
Modify a HeapValidate assert in the Win32 native allocator.
FossilOrigin-Name:
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drh [Mon, 11 Nov 2013 00:43:21 +0000 (00:43 +0000)]
Fix a problem in OP_IdxDelete as used by REPLACE conflict resolution that
comes up due to recent enhancements that reduce the work required for
UNIQUE NOT NULL indices.
FossilOrigin-Name:
61d7d4753f36932293c0eb1ca893b17d18355ad3
mistachkin [Sun, 10 Nov 2013 00:03:11 +0000 (00:03 +0000)]
Fix typo in comment and remove superfluous blank line. No changes to code.
FossilOrigin-Name:
023233f16ec2e6f582a7491643036ba5cad9379c
mistachkin [Sat, 9 Nov 2013 23:55:18 +0000 (23:55 +0000)]
Fix compilation errors with some compilers that do not reference recent Windows SDK header files.
FossilOrigin-Name:
a5805976f0e06ece2eeebd825f383a1ee88121fc
mistachkin [Sat, 9 Nov 2013 23:44:02 +0000 (23:44 +0000)]
Fix memory type mismatch when compiled with MEMDEBUG.
FossilOrigin-Name:
2c32bd6d4d5da2055633e8fb43ee184f729d8b91
drh [Sat, 9 Nov 2013 22:08:10 +0000 (22:08 +0000)]
Add the sqlite3_win32_compact_heap() function for cleaning up memory
allocations on Win32 system. Also cleanup the winGetTempname() function.
Changes to the Win32 VFS only.
FossilOrigin-Name:
d06d9fdb6e6ac369035c825d9c30970115b3ba71