]>
git.ipfire.org Git - thirdparty/sqlite.git/log
drh [Mon, 18 Aug 2014 20:01:31 +0000 (20:01 +0000)]
A reasonably complete implementation of the "changeset" command-line tool
and the ".sessions" command in the command-line shell.
FossilOrigin-Name:
7b12f1f9c012f33d376242920583807b014b3287
drh [Mon, 18 Aug 2014 17:56:31 +0000 (17:56 +0000)]
Add the "changeset" command-line utility for getting an ASCII dump of
change sets.
FossilOrigin-Name:
55bb3544a6b474c04853270067a35ca4b0079f52
drh [Mon, 18 Aug 2014 15:08:26 +0000 (15:08 +0000)]
Begin adding commands to the command-line interface for interacting with
the sessions extension. This is the first check-in of a work-in-progress.
FossilOrigin-Name:
c2fcf0b9f4bdc48dfc6530bda4f531b94a833207
drh [Mon, 18 Aug 2014 13:48:41 +0000 (13:48 +0000)]
Merge the latest trunk changes, and in particular the refactoring of the
object names in the command-line shell.
FossilOrigin-Name:
419d286a2fc465f6e0f9662909d0cc52a18eefa4
drh [Mon, 18 Aug 2014 13:45:42 +0000 (13:45 +0000)]
Refactor the names of state objects in the command-line shell implementation..
FossilOrigin-Name:
11a70e1ae7f05d06e4e09c9d20db0444b8881584
dan [Mon, 18 Aug 2014 08:42:36 +0000 (08:42 +0000)]
Add tests for sessions module.
FossilOrigin-Name:
82fdb1975f5b29a751089a8582713372999ae56e
dan [Sat, 16 Aug 2014 19:01:00 +0000 (19:01 +0000)]
Fix some missing and out-of-date comments in the sessions module.
FossilOrigin-Name:
05c1d9149b27c68e2654ed28491722927d2176f5
dan [Sat, 16 Aug 2014 16:47:55 +0000 (16:47 +0000)]
Fixes for the sqlite3changeset_concat() API regarding patchsets.
FossilOrigin-Name:
dccb34859508eac8146ae5b19c447673d04be3b0
dan [Fri, 15 Aug 2014 20:15:49 +0000 (20:15 +0000)]
Begin adding the sqlite3session_patchset() API to the sessions extension. This is an interim commit.
FossilOrigin-Name:
60a4565a8c44762a002cd02979317df5ca47e899
drh [Fri, 15 Aug 2014 16:13:07 +0000 (16:13 +0000)]
Fix compiler warnings on WinCE.
FossilOrigin-Name:
28a379fcd43389ad3249eff51a621d0bb7c81640
drh [Fri, 15 Aug 2014 15:10:46 +0000 (15:10 +0000)]
Update the sessions branch for version 3.8.6.
FossilOrigin-Name:
2acbeac1fd9b9feb26e1c24d4ae50ce79f17a3f8
drh [Fri, 15 Aug 2014 11:46:33 +0000 (11:46 +0000)]
dan [Thu, 14 Aug 2014 19:53:37 +0000 (19:53 +0000)]
Fix an assert that can fail if the database file is corrupted.
FossilOrigin-Name:
3f45b8192dad7fb1f027cbaa694046e3c1b3e278
mistachkin [Thu, 14 Aug 2014 18:31:56 +0000 (18:31 +0000)]
Fix compiler warnings on WinCE.
FossilOrigin-Name:
cc910b8e0c45e7387024f3a729003e2fef08b198
drh [Thu, 14 Aug 2014 13:06:25 +0000 (13:06 +0000)]
Fix typos in comments used to help generate documentation. No changes to code.
FossilOrigin-Name:
13a2d90a2869c53b79754de39045bbbdbc7688e3
mistachkin [Thu, 14 Aug 2014 02:59:51 +0000 (02:59 +0000)]
Add icon to the Windows shell executable. This is a resource change only, no changes to code.
FossilOrigin-Name:
f5cce9db109a2bbe9a05b4c01b076a51d5fad8ba
drh [Wed, 13 Aug 2014 14:43:32 +0000 (14:43 +0000)]
Merge the trunk changes for 3.8.6 beta3 into the sessions branch.
FossilOrigin-Name:
d49455d9a972fc2224d9beb97165a998ca56e838
drh [Wed, 13 Aug 2014 11:39:42 +0000 (11:39 +0000)]
Minor change to unixDelete for VxWorks with a DOS filesystem.
FossilOrigin-Name:
f01d42cc8b00d2b7c4f14defcb05fdc493cf1bfd
dan [Tue, 12 Aug 2014 20:13:22 +0000 (20:13 +0000)]
Fix where9.test so that it works with the "no_optimization" permutation.
FossilOrigin-Name:
d46adf9d8f741838b9c30f915231d6a3986c3591
mistachkin [Tue, 12 Aug 2014 16:13:37 +0000 (16:13 +0000)]
Fix compilation issue in the Win32 VFS when manually defining SQLITE_WIN32_NO_ANSI.
FossilOrigin-Name:
6715991296886c2a02b9a285a1e61189ad1f79c0
drh [Tue, 12 Aug 2014 14:29:20 +0000 (14:29 +0000)]
Improve the comments associated with SQLITE_TEST_REALLOC_STRESS and add
an extra assert() to prove an assumption.
FossilOrigin-Name:
35c454616321d480ecbc4efdf6869bbcdf0d3aa2
dan [Tue, 12 Aug 2014 14:06:13 +0000 (14:06 +0000)]
Run a test with TEST_REALLOC_STRESS and OMIT_LOOKASIDE defined as part of releasetest.tcl on Linux/x86-64.
FossilOrigin-Name:
a1baf3a7b177728cdfcd6d9345a0d6bf0a8887c0
dan [Tue, 12 Aug 2014 13:38:52 +0000 (13:38 +0000)]
If SQLITE_TEST_REALLOC_STRESS is defined, extend the op-code array used by virtual-machine programs by one element at a time, instead of doubling its size with each realloc().
FossilOrigin-Name:
4c291827224b84487a38e7ccba2edabc0f15b5ba
drh [Tue, 12 Aug 2014 12:19:25 +0000 (12:19 +0000)]
Fix typos in the VxWorks code of os_unix.c.
FossilOrigin-Name:
19682e8fdc4a3b7884dba3e4387763e435ec16e6
dan [Tue, 12 Aug 2014 09:36:08 +0000 (09:36 +0000)]
Add a test to ensure that the problem fixed by [
a179e41e40 ] does not recur.
FossilOrigin-Name:
31356f2cae26278660e6bd360ad35e57261d977c
drh [Tue, 12 Aug 2014 01:23:07 +0000 (01:23 +0000)]
Fix an assert() statement in the SELECT code generator that was
incorrect following an OOM error.
FossilOrigin-Name:
a179e41e40dba4c19a488985f77777acd27b689d
mistachkin [Mon, 11 Aug 2014 17:51:23 +0000 (17:51 +0000)]
Modify GetVersionEx Win32 VFS fix for use with the test suite.
FossilOrigin-Name:
fd2221768b45d9006bbb2919a4977cf2791826d6
drh [Mon, 11 Aug 2014 17:41:53 +0000 (17:41 +0000)]
Further clarification and typo fixes for the previous comment change.
FossilOrigin-Name:
87ef9e2f293afd89901fed6be45b0f0052df6846
drh [Mon, 11 Aug 2014 17:40:30 +0000 (17:40 +0000)]
Clarify the comment explaining the meaning of the SQLITE_WIN32_GETVERSIONEX
macro in the Windows VFS.
FossilOrigin-Name:
69714287dbbdbf4ef2a2c5e99ed740ae7d27e051
mistachkin [Mon, 11 Aug 2014 17:38:38 +0000 (17:38 +0000)]
Fix for #ifdef issue with GetVersionEx in the Win32 VFS.
FossilOrigin-Name:
1a0d466dd48163c86de4774035fe4a30c1c55311
drh [Mon, 11 Aug 2014 17:37:27 +0000 (17:37 +0000)]
Add a few more requirements tests.
FossilOrigin-Name:
b5652439d5d770f0edeb80c8f55fa7cc515482e3
drh [Mon, 11 Aug 2014 15:54:11 +0000 (15:54 +0000)]
Updates to evidence marks and requirements. No changes to code.
FossilOrigin-Name:
62d38308b519a5362f559b296a0cf1acccf8f673
drh [Mon, 11 Aug 2014 14:21:32 +0000 (14:21 +0000)]
Fix harmless compiler warnings.
FossilOrigin-Name:
52b03f045edf6fc29f9ba9a5cac53a59f0feb0eb
drh [Mon, 11 Aug 2014 13:53:30 +0000 (13:53 +0000)]
Changes that will perhaps enable SQLite to work better on VxWorks.
FossilOrigin-Name:
de27c742c0dcda20b51339598bf6094a8dcf5fb9
drh [Fri, 8 Aug 2014 18:26:20 +0000 (18:26 +0000)]
Update requirements marks. No changes to code.
FossilOrigin-Name:
7556bd9aa5db1b9cd92d0e48effcda9fe96f3128
drh [Fri, 8 Aug 2014 17:49:55 +0000 (17:49 +0000)]
Improvements to the way the query planner handles sorting costs, so that
very large sorting costs do not overwhelm the loop costs.
FossilOrigin-Name:
bdaa6947371a60a31b6a13267b0ba6e46df2a8ce
dan [Fri, 8 Aug 2014 17:25:33 +0000 (17:25 +0000)]
Fix a buffer overrun in the previous commit.
FossilOrigin-Name:
43c59c85436dc8001c81f4aac7f5231b13d741cb
dan [Fri, 8 Aug 2014 16:52:28 +0000 (16:52 +0000)]
Because SQLite internally calculates query plan costs using a logarithmic scale, very large estimated sorting costs can cause all other estimated costs to be rounded down to zero. In these cases break ties between plans with the same total cost by comparing the costs with sorting excluded. This is an alternative fix for the same problem as addressed by [
2af630c572 ].
FossilOrigin-Name:
299b9570279ded7158d22349ef93384286a5c755
drh [Fri, 8 Aug 2014 15:38:11 +0000 (15:38 +0000)]
The SQLITE_IOERR_BLOCKED extended error code is not longer used, so remove
assert() statements and documentation for that error code. Also make other
documentation improvements.
FossilOrigin-Name:
36b7c5cefcad6bad044806092593c84876fee8bc
drh [Fri, 8 Aug 2014 12:51:42 +0000 (12:51 +0000)]
Reworking the documentation on integer result codes. This is a comment
and documentation change only. There are no changes to code.
FossilOrigin-Name:
54f1df7b63166f14b2f0d5955c546820e5cbdec9
drh [Thu, 7 Aug 2014 20:42:33 +0000 (20:42 +0000)]
When the estimated sorting cost overwhelms the estimated lookup cost, ensure
that lookup costs are still taken into account when selecting a lookup
algorithm.
FossilOrigin-Name:
2af630c5720a4d71f22a952af29346a09bd8dfd0
drh [Thu, 7 Aug 2014 20:37:01 +0000 (20:37 +0000)]
Clarify the computation of compatible isOrdered by in the plan solver of
the query planner.
FossilOrigin-Name:
b5e8fd575a80334160de0aac8084ed5cd28816a5
drh [Thu, 7 Aug 2014 20:25:37 +0000 (20:25 +0000)]
Remove the extraneous debugging printf() from the previous check-in.
FossilOrigin-Name:
8f04d2c0084afa6381e78847c9aa296498d448cb
drh [Thu, 7 Aug 2014 16:50:00 +0000 (16:50 +0000)]
When the estimated cost to do a sort overwhelms the estimated cost to do
individual table lookups, make sure that the table lookup costs are still
taken into consideration when selecting the lookup algorithm.
FossilOrigin-Name:
ec5d84ba69c100d9565425ed74040a49e410ea03
drh [Wed, 6 Aug 2014 18:50:51 +0000 (18:50 +0000)]
A couple more harmless compiler warnings eliminated.
FossilOrigin-Name:
bcf6d775f90f4d1ba018a1b965f2f710df130f01
drh [Wed, 6 Aug 2014 17:49:13 +0000 (17:49 +0000)]
Fix two more harmless compiler warnings. Make sure the fts3_unicode2.c file
is in sync with mkunicode.tcl.
FossilOrigin-Name:
a2a60307ea68a3230952a56cb65369ba0a208967
drh [Wed, 6 Aug 2014 14:36:53 +0000 (14:36 +0000)]
Fix harmless compiler warnings. In the command-line shell, report if the
".system" command returns a non-zero result.
FossilOrigin-Name:
1202e9771f6d699dbf5268368108a3527d06d799
drh [Wed, 6 Aug 2014 12:00:08 +0000 (12:00 +0000)]
Merge the second InterlockedCompareExchange() fix from trunk.
FossilOrigin-Name:
69018967f6e38521dd9b0fa9ce05c9b947635335
drh [Wed, 6 Aug 2014 11:58:40 +0000 (11:58 +0000)]
Fix an obsolete comment in the func.c source file. No changes to code.
FossilOrigin-Name:
5c6bb57d90bad32785d6d9cdf110a825bbc5ec73
drh [Wed, 6 Aug 2014 11:57:54 +0000 (11:57 +0000)]
On the windows VFS, do not try to make InterlockedCompareExchange an
overloadable function, since sometimes it is a macro.
FossilOrigin-Name:
ab1a751e1304749bef5bc5c833f9abed8950f7d0
drh [Wed, 6 Aug 2014 11:49:31 +0000 (11:49 +0000)]
Fix an obsolete comment in the func.c source file. No changes to code.
FossilOrigin-Name:
7a145c9409e70b92946534eb44c2e205f7309897
drh [Wed, 6 Aug 2014 03:16:56 +0000 (03:16 +0000)]
Merge in the fix for the InterlockedCompareExchange() build issue.
FossilOrigin-Name:
091aa5f1047f0ec984a69ab1f356c1960813b77b
mistachkin [Wed, 6 Aug 2014 03:06:01 +0000 (03:06 +0000)]
In the Win32 VFS, work around InterlockedCompareExchange() being a macro on some platforms (e.g. x64).
FossilOrigin-Name:
7be244ce129d6502f3a3e3f3e8a1dd61ef71d878
drh [Wed, 6 Aug 2014 01:25:47 +0000 (01:25 +0000)]
Merge the latest 3.8.6 beta changes from trunk.
FossilOrigin-Name:
68a6d5e2f43702c78057ae2f2a7345c981d24e17
drh [Wed, 6 Aug 2014 01:08:07 +0000 (01:08 +0000)]
Fix typos in the opcode documentation. Comment changes only. No changes
to code.
FossilOrigin-Name:
717245d48714c08156c9b7636aaa6c3a402bad66
drh [Wed, 6 Aug 2014 00:29:06 +0000 (00:29 +0000)]
A simpler fix for ticket [
3a88d85f36704eebe1 ] - one that uses less code.
The error message is not quite as good, but as this error has apparently
not previously occurred in over 8 years of heavy use, that is not seen as
a serious problem.
FossilOrigin-Name:
0ad1ed8ef0b5fb5d8db44479373b2b93d8fcfd66
drh [Tue, 5 Aug 2014 21:31:08 +0000 (21:31 +0000)]
Ensure that aggregate functions are not used when evaluating a default
value for a table column.
Candidate fix for ticket [
3a88d85f36704eebe134f7 ].
FossilOrigin-Name:
29ba812825bf06ef230f2480bba0579653f0a52d
drh [Tue, 5 Aug 2014 19:16:22 +0000 (19:16 +0000)]
Add the ability to evaluate IN operators as a sequence of comparisons as
an alternative to the long-standing algorithm of building a lookup table.
Use the new implementation in circumstances where it is likely to be faster,
such as when the RHS of the IN changes between successive evaluations.
FossilOrigin-Name:
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drh [Tue, 5 Aug 2014 11:04:21 +0000 (11:04 +0000)]
Rename the internal Schema.flags field to Schema.schemaFlags.
FossilOrigin-Name:
5ae80b3c8f032528359c8c762505ce24da8db96f
drh [Tue, 5 Aug 2014 00:53:51 +0000 (00:53 +0000)]
Improved VdbeCoverage() macros. A few minor simplifications to generated
VDBE code.
FossilOrigin-Name:
01f60027ad1841051fa493a646141445f8971357
drh [Mon, 4 Aug 2014 21:26:58 +0000 (21:26 +0000)]
Part of the change in the previous check-in was incorrect and can result
in an incorrect UPDATE for WITHOUT ROWID tables. This check-in fixes the
problem.
FossilOrigin-Name:
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drh [Mon, 4 Aug 2014 18:50:54 +0000 (18:50 +0000)]
Further enhancements to IN-operator processing.
FossilOrigin-Name:
7fdf26da1d2f40b80f9e44ff6f5af22ace8f95f3
drh [Mon, 4 Aug 2014 16:39:39 +0000 (16:39 +0000)]
Refinements to the enhanced IN-operator logic.
FossilOrigin-Name:
92ba2821468ecbfac2469161d81c873de67b2243
drh [Sat, 2 Aug 2014 21:03:33 +0000 (21:03 +0000)]
Enhancements to the code generator for the IN operator that result in much
faster queries in some cases, for example when the RHS of the IN operator
changes for each row of a large table scan.
FossilOrigin-Name:
436e884215e2b33ca3fbb555362237b12827c07a
mistachkin [Sat, 2 Aug 2014 20:44:13 +0000 (20:44 +0000)]
Remove (newly) incorrect preprocessor check to fix build on WinRT.
FossilOrigin-Name:
ba7826542908eac2e14789d183d0b3e35b143fed
drh [Fri, 1 Aug 2014 21:12:35 +0000 (21:12 +0000)]
A better comment on the generated code for the NULL-in-RHS-of-IN detection
logic.
FossilOrigin-Name:
9bc1c730a366e75b760b58e7a343d39165b2a469
drh [Fri, 1 Aug 2014 21:00:53 +0000 (21:00 +0000)]
Improved detection and handling of NULL values on the RHS of a IN operator.
FossilOrigin-Name:
468e730036edac22cfeb9ea3515aa16e6bcd6650
drh [Fri, 1 Aug 2014 18:00:24 +0000 (18:00 +0000)]
Remove an unnecessary OP_Null in the IN-operator logic. Attempt to clarify
comments explaining the IN-operator code, though it is not clear that the
comments are correct even yet - more work to be done.
FossilOrigin-Name:
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drh [Fri, 1 Aug 2014 15:51:36 +0000 (15:51 +0000)]
Clean up the IN operator code generation logic to make it easier to reason
about. In the process, improve code generation to omit some unused OP_Null
operations.
FossilOrigin-Name:
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drh [Fri, 1 Aug 2014 15:34:36 +0000 (15:34 +0000)]
The idea of coding IN operator with a short list on the RHS as an OR expression
turns out to be helpful. If the list is of length 1 or 2, the OR expression
is very slightly faster, but the ephemeral table approach is clearly better for
all list lengths greater than 2. Better to keep the code simple.
FossilOrigin-Name:
e13175d3579e1045165bab091b3b28951d691704
drh [Fri, 1 Aug 2014 14:46:57 +0000 (14:46 +0000)]
Begin making changes to the IN operator in an attempt to make it run faster
and to make the code easier to understand.
FossilOrigin-Name:
ee0fd6aaf94cda1dce3fe752bfe3b0f83e0043f1
drh [Fri, 1 Aug 2014 01:40:33 +0000 (01:40 +0000)]
Enhance the PRAGMA integrity_check command to detect UNIQUE and NOT NULL
constraint violations.
FossilOrigin-Name:
9abcf2698c09f4f6a44a68e74f9f6b538f3253d6
drh [Thu, 31 Jul 2014 22:59:04 +0000 (22:59 +0000)]
Refactoring: Change "pIndex->onError!=OE_None" to use a macro:
"IsUniqueIndex(pIndex)". Easier to understand that way.
FossilOrigin-Name:
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drh [Thu, 31 Jul 2014 20:16:08 +0000 (20:16 +0000)]
Omit a pointless OP_Null when processing a value-list RHS of an IN operator
where the LHS is a rowid.
FossilOrigin-Name:
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mistachkin [Thu, 31 Jul 2014 18:54:01 +0000 (18:54 +0000)]
Optimizations to the OS sub-type checking in the Win32 VFS.
FossilOrigin-Name:
1e5489faff093d6a8e538061e45532f9050e9459
dan [Thu, 31 Jul 2014 18:14:37 +0000 (18:14 +0000)]
Add a missing call to "test_sqlite3_log" to multiplex.test.
FossilOrigin-Name:
0708f9df23a325349f658741358c5994b5c4c873
dan [Thu, 31 Jul 2014 17:35:40 +0000 (17:35 +0000)]
Fix a leaked statement handle in pager2.test.
FossilOrigin-Name:
47457b0488abcbec2137abf706c1d677563b9ea5
drh [Thu, 31 Jul 2014 15:44:44 +0000 (15:44 +0000)]
Deactivate the DISTINCT in a SELECT on the right-hand side of an IN operator,
since it should not make any difference in the output but dues consume extra
memory and CPU time.
FossilOrigin-Name:
f4cb53651b1e352fae7378878b830a902bcd9248
mistachkin [Wed, 30 Jul 2014 23:11:16 +0000 (23:11 +0000)]
Re-integrate the recent changes from the 'winMutex' branch back into the Win32 mutex subsystem.
FossilOrigin-Name:
5360ecb0b8891d0c27f3f02d81b6c7b548361a10
drh [Wed, 30 Jul 2014 21:10:12 +0000 (21:10 +0000)]
Add three new static mutexes for use by the application. This is a partial
import of changes from the threads branch.
FossilOrigin-Name:
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drh [Wed, 30 Jul 2014 15:43:05 +0000 (15:43 +0000)]
Add the "eForce" parameter to the sqlite3_multiplex_shutdown() entry point
in test_multiplex.c. Shutdown is forced if true. Shutdown is not done if
there are pending database connections and eForce is false, but an error log
entry is made instead.
FossilOrigin-Name:
c7303d0139f7e7f4fa7060b52942e6c6c6d4b622
drh [Wed, 30 Jul 2014 14:29:54 +0000 (14:29 +0000)]
Merge the fix for the CREATE UNIQUE INDEX problem into the sessions branch.
FossilOrigin-Name:
43401ee624587ffa166c3cda7e5265ad0d81da5c
drh [Wed, 30 Jul 2014 13:56:48 +0000 (13:56 +0000)]
Ensure that the correct number of columns in a UNIQUE index are checked for
uniqueness, regardless of whether or not the original table has a ROWID or
if the columns are NOT NULL, etc. Ticket [
9a6daf340df99ba93c ].
FossilOrigin-Name:
6b785e92f279cb65746834d5cd25594fd3333342
mistachkin [Tue, 29 Jul 2014 19:54:03 +0000 (19:54 +0000)]
Enhancements and updates to the Win32 mutex subsystem.
FossilOrigin-Name:
ca9868cdae19045dc522490b34dee0f14d928ebe
mistachkin [Tue, 29 Jul 2014 18:03:36 +0000 (18:03 +0000)]
Merge updates from trunk.
FossilOrigin-Name:
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drh [Tue, 29 Jul 2014 14:09:21 +0000 (14:09 +0000)]
Add the SQLITE_TESTCTRL_ISINIT file control.
FossilOrigin-Name:
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drh [Tue, 29 Jul 2014 12:40:45 +0000 (12:40 +0000)]
Merge recent trunk changes, and especially the fix for the R-Tree problem
described in ticket [
d2889096e7bdeac6 ].
FossilOrigin-Name:
8f1beeade0ddf802900c9d203a4fd678d1190394
dan [Tue, 29 Jul 2014 11:54:18 +0000 (11:54 +0000)]
Have calls to the xFilter() method of rtree virtual tables ensure that cursor is initialized before proceeding. Fix for [
d2889096e7bdeac ].
FossilOrigin-Name:
8cc41b0bf365af47c2061ffe44c86018945dd239
mistachkin [Tue, 29 Jul 2014 05:49:02 +0000 (05:49 +0000)]
Enhancements and updates to the Win32 mutex subsystem.
FossilOrigin-Name:
18984c321049a759f6619cfa17fb3f4e7b3e08ea
drh [Sat, 26 Jul 2014 20:12:56 +0000 (20:12 +0000)]
Remove an unreachable branch from the sqlite3_value_numeric_type() interface.
FossilOrigin-Name:
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drh [Sat, 26 Jul 2014 16:47:23 +0000 (16:47 +0000)]
Avoid unnecessary no-op calls to applyNumericAffinity() for a small
performance improvement.
FossilOrigin-Name:
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drh [Fri, 25 Jul 2014 21:35:39 +0000 (21:35 +0000)]
Try to fix harmless compiler warnings reported by Fortify.
FossilOrigin-Name:
e0fa6fdc14ac5458f9200cbae124f8025ea534ea
drh [Fri, 25 Jul 2014 18:37:42 +0000 (18:37 +0000)]
Improved comments on VDBE opcodes, for better documentation. No code
or logic changes.
FossilOrigin-Name:
2d32e4876e0b162730f81e5c2658be12d64a9a99
drh [Fri, 25 Jul 2014 18:01:06 +0000 (18:01 +0000)]
Add constraints (enforced only when SQLITE_DEBUG is enabled) on the use of
OP_Next and OP_Prev.
FossilOrigin-Name:
2230c74f1efa591770176c9b40e920724a3c39e1
drh [Thu, 24 Jul 2014 23:23:26 +0000 (23:23 +0000)]
Improve the performance of the ANALYZE command by taking advantage of
UNIQUE constraints on indices.
FossilOrigin-Name:
114dcf33670fd98a1ebbac0e44f66b2d8bcccddf
drh [Thu, 24 Jul 2014 22:41:20 +0000 (22:41 +0000)]
Fix a bug in the whereRangeSkipScanEst() procedure (added by
check-in [
d09ca6d5efad3e4cfa ]) where it fails to consider the possibility
of a ROWID column when computing the affinity of a table column.
FossilOrigin-Name:
6aea2258dd7d3967900cefe4cd0af48a7ee7e169
drh [Thu, 24 Jul 2014 20:25:16 +0000 (20:25 +0000)]
Avoid trying to allocation zero bytes when analyzing a unique non-null index.
FossilOrigin-Name:
85e2badeeb7f7599eb6fd35512f9bd524f0b1b3f
drh [Thu, 24 Jul 2014 19:54:20 +0000 (19:54 +0000)]
Avoid change tests when analyzing single-column unique indexes after
getting past the initial NULL entries.
FossilOrigin-Name:
4690e99c07024f40fafba1db8e4487b287b788a9
drh [Thu, 24 Jul 2014 16:23:51 +0000 (16:23 +0000)]
Merge recent trunk changes into the sessions branch.
FossilOrigin-Name:
a9db017eabdefafcda87c497e8bafa07002ac0fe
drh [Thu, 24 Jul 2014 12:39:59 +0000 (12:39 +0000)]
Add the readfile(FILENAME) and writefile(FILENAME,CONTENT) SQL functions to
the command-line shell.
FossilOrigin-Name:
fb1048cb2b613a0dbfe625a5df05e9dcd736a433