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11964 Commits

Author SHA1 Message Date
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
drh
39a3088dc4 Updates to the command-line shell. Simplify the banner message. Add the 
".save" command as an alias for ".backup".  When starting with no arguments,
include a banner message warning that the database is transient and in-memory
and mention the ".open" command.

FossilOrigin-Name: f5ad1e1bf2828c5da70c1ff944d8212036142e6f
 2014-02-11 16:22:18 +00:00
drh
aaa21b41e8 Fixes to the "editline" support in the command-line shell. 
FossilOrigin-Name: 7989ce5f105657060a39be295255da8eff9ed56e
 2014-02-11 14:37:51 +00:00
drh
7c3280649a Make sure that virtual WHERE-clause terms do not get transformed into real 
terms when processing set of OR-connected terms.
Fix for ticket [4c86b126f22ad].

FossilOrigin-Name: c950d6c4117d076f871518e738cdf9e8c46a19fc
 2014-02-11 01:50:29 +00:00
drh
a6e3a8c9d5 Fix a pointless conditional. Add a test case. 
FossilOrigin-Name: 9367632dd7e4fec9197227e35b0627c2e81ebffc
 2014-02-10 21:07:51 +00:00
drh
5c7976fe86 Add the ".save" command as an alias for ".backup". Improvements to the 
way font changes are implemented on the in-memory database warning.

FossilOrigin-Name: fe284afe739c497e153ac2bc0275f7c9e862c824
 2014-02-10 19:59:27 +00:00
drh
ba47ba76a5 On unix, make the "transient in-memory database" text bold, but not red. 
Leave the text read on windows.

FossilOrigin-Name: c9eba2f7be468ae7fc843ffd5b09bd062ee311c3
 2014-02-10 19:36:06 +00:00
drh
1247aa4e4a In the command-line shell, on the banner, warn about the use of a 
transient in-memory database in bold red text.

FossilOrigin-Name: 0fbc0fcec1b3a67065fa0ebb49375bf675789edc
 2014-02-10 19:27:05 +00:00
drh
8af9ad951d Fix the compound-select-to-subquery converter so that it works with the 
new compound-select object linkage introduced as part of the fix
for ticket [31a19d11b97088296].

FossilOrigin-Name: 572d4be4db03ce4afe9ae70f148703c74e0d8de0
 2014-02-10 18:56:05 +00:00
drh
b373591c5e Modify the command-line shell to print a warning when using an in-memory 
database.

FossilOrigin-Name: 90e9deae4a2bf63308a212226314aa7838c161d9
 2014-02-10 16:13:42 +00:00
drh
60830e3c53 Improvements to a "Synopsis:" comment in the VDBE engine. 
FossilOrigin-Name: 0dfa7ee9157ea6b1c745732d6c3fcd066cf4f849
 2014-02-10 15:56:34 +00:00
drh
53a6eb3f3c Faster implementation for sqlite3MulInt64(). 
FossilOrigin-Name: 010c48f671e909cb406f3716102a0032bc72a592
 2014-02-10 12:59:15 +00:00
drh
1b27b8c0a0 Faster and smaller implementation of sqlite3_value_type(). 
FossilOrigin-Name: 5708bc24b8cab623b833121183042b43e5a7021b
 2014-02-10 03:21:57 +00:00
drh
5574e3f456 Add a compound-query test to the speedtest1 test program. 
FossilOrigin-Name: 532995759114ab7a7cba18cc9d8820d78eb1a96e
 2014-02-09 23:59:28 +00:00
drh
d227a291b2 Use the WITH clause to help resolve names for SELECT statements on the left 
of a compound query.  Proposed fix for ticket [31a19d11b97088296a].

FossilOrigin-Name: 67bfd59d9087a987f15f6148efa1ff104983e1fb
 2014-02-09 18:02:09 +00:00
drh
fa46bfbbc5 Add the Mandelbrot Set testcase to the "cte" testset of speedtest1. 
FossilOrigin-Name: 56febbeb575a298ae8839b3a59711150ceb9999d
 2014-02-09 00:52:53 +00:00
drh
c47548057d Add a new "testset" to the speedtest1 program: The sudoku solver. 
FossilOrigin-Name: 4677ef2f8a726573c48ee2e532c00a68308dd7e1
 2014-02-09 00:18:21 +00:00
drh
5f61229504 Do away with the "multi-register pseudo-table" abstration. Instead, just 
use an OP_SCopy to load results directory from the result registers of
the co-routine.

FossilOrigin-Name: 1e64dd782a126f48d78c43a664844a41d0e6334e
 2014-02-08 23:20:32 +00:00
drh
826af37865 Change the OP_Found opcode so that it expands zero-blobs prior to comparing 
them.  Fix for ticket [fccbde530a6583b]

FossilOrigin-Name: e2303d1b0c17b6e7494fb7db8264f4c2ac193723
 2014-02-08 19:12:21 +00:00
drh
c0740cebeb Fix a harmless compiler warning in VS2013. 
FossilOrigin-Name: 83116ee3e0f2b9110c70a4f73a9badc9c2a56f28
 2014-02-08 13:24:04 +00:00
drh
04d0bcd533 Fix a harmless compiler warning in VS2013. 
FossilOrigin-Name: 35f2793db5eb58484554477a23f8320843ebcd71
 2014-02-08 13:22:36 +00:00
drh
725de29a2d Tweaks to the generated VDBE code to make it a little easier to follow. 
FossilOrigin-Name: 129217ee91782ec77ff82661753ae5bee8ca99d0
 2014-02-08 13:12:19 +00:00
drh
e0e261a473 Enable constant expression factoring even if no tables are read and no 
transaction is started.

FossilOrigin-Name: a45b87713c0afca2be2ace9500513620a024c0a2
 2014-02-08 04:24:37 +00:00
drh
aceb31b120 Change the OP_Trace opcode to OP_Init and give it the ability to jump to the 
initialization code at the bottom of the program, thus avoiding the need for
an extra OP_Goto.

FossilOrigin-Name: 192dea97316144f15f6dd0eabff08a0bf9ef203e
 2014-02-08 01:40:27 +00:00
drh
642364a48b Add opcodes OP_InitCoroutine and OP_EndCoroutine. Use these to remove the 
need for separate boolean registers to record when a co-routine has finished.

FossilOrigin-Name: 5a88b6a7aef3a0d5380e19eee2ee38439cc9b08b
 2014-02-07 22:21:07 +00:00
drh
dddf6978d2 Fix redundant definitions of _LARGE_FILE and _LARGEFILE_SOURCE. 
FossilOrigin-Name: 4043d879795bfad55af35e9cb48e0a42eb4087ae
 2014-02-07 19:33:31 +00:00
drh
a198f2b55d In the TCL bindings, make sure Tcl_AppendResult() is always terminated 
by "(char*)0" and not just "0".

FossilOrigin-Name: ea4d23d1c0df4fde2e532daa081888712f465884
 2014-02-07 19:26:13 +00:00
drh
ed71a839fd Change the OP_InitCoroutine instruction to jump over the co-routine 
implementation.

FossilOrigin-Name: a522f364a6b8ca6f69c353b30609a2166f6e94cf
 2014-02-07 19:18:10 +00:00
drh
81cf13ec7b Get rid of the OP_Undef and OP_IsUndef opcodes in favor of higher-level 
OP_InitCoroutine and OP_EndCoroutine.

FossilOrigin-Name: 1ec0e9dd4b26d9f597adc8e062317d4866c5a6a6
 2014-02-07 18:27:53 +00:00
drh
a5750cfe01 Add the OP_Undef and OP_IsUndef opcodes. With these, use the first register 
in the result register range as the flag to indicate EOF on an INSERT from
a SELECT, rather than allocating a separate boolean register for that task.

FossilOrigin-Name: 6fb7448550f28a3c93053e125faeaf11de1011d0
 2014-02-07 13:20:31 +00:00
mistachkin
21a919f630 More comment updates. No changes to code. 
FossilOrigin-Name: be24fbc22106e508975e316abe0471edd3833291
 2014-02-07 03:28:02 +00:00
drh
0fd613542c Update comments in vdbe.c. No changes to code. 
FossilOrigin-Name: 1122b410de68a3c79b4c719a3a4cc4dc6a5bb39d
 2014-02-07 02:29:45 +00:00
drh
b22f7c831f Delete the OP_VerifySchema opcode. Enhance OP_Transaction to do the schema 
version checks that OP_VerifySchema used to do.

FossilOrigin-Name: 2f3376ebf13df44e6acf27cb1f07172cd8b34033
 2014-02-06 23:56:27 +00:00
drh
0211d8bca4 Change the spellfix1 virtual table to deterministically names its shadow 
tables.

FossilOrigin-Name: 5219cdfc56ec3e1cd645ae6443ba72ce0df0339a
 2014-02-06 13:18:51 +00:00
drh
4bbcf10617 Add additional error messages and a progress spinner to the ".clone" command. 
FossilOrigin-Name: dd0db3f0cef1be46cea16d4e61ea3348b3b3bd3e
 2014-02-06 02:46:08 +00:00
mistachkin
e31ae90100 Rename the '.repair' shell command to '.clone'. 
FossilOrigin-Name: 4f9d95624ae4e123f83c835b5940f64d4a47be0d
 2014-02-06 01:15:29 +00:00
drh
3350ce95f7 Add the ".repair" command to the command-line shell. 
FossilOrigin-Name: d1dfadea87ecf18eeb6d2f21769deaa97473ca0e
 2014-02-06 00:49:12 +00:00
mistachkin
5dfd3d9080 In the Win32 VFS, the winSysInfo variable should be static. 
FossilOrigin-Name: 4a4dd371a72b7d475185923bebb4cd9bd83e1bd9
 2014-02-05 11:05:47 +00:00
drh
e08ecad58a Do not mark the ephemeral tables used to hold the RHS of IN clauses as 
unordered because the NGQP will use those ephemeral tables to help order the
output.  This is not an issue for standard SQLite since ephemeral tables
there are always ordered, regardless of the hint.  It only affects systems
that substitute an alternative storage engine.

FossilOrigin-Name: f2504089df0bf4011864e67825b37f6aa3d03458
 2014-02-04 23:45:45 +00:00
drh
ee06c99b49 Remove the SF_Materialize flag from the SELECT object as it does not 
accomplish anything useful.

FossilOrigin-Name: 65d5dcddbd34dfb2733a7a908c7c652ce2d610fe
 2014-02-04 20:46:41 +00:00
drh
7df89c8c8a Rearrange fields in the Parse object for a tighter packing, resulting in 
an 8% size reduction on x64.

FossilOrigin-Name: 3e1a3f68d7457ff708222a3448404b593f018fc2
 2014-02-04 15:55:25 +00:00
drh
fe21a796f7 Performance optimizations in sqlite3PcacheFetch(). 
FossilOrigin-Name: b60cc11ef775c23a2245d9e7a00dab34013f3ccb
 2014-02-03 17:04:29 +00:00
drh
e39a732ce2 Provide hints to the btree layer Next and Previous primitives to let them 
know if they can be no-ops if the underlying index is unique.

FossilOrigin-Name: 6c643e45c274e755dc5a1a65673df79261c774be
 2014-02-03 14:04:11 +00:00
drh
6645370e5b Version 3.8.3 
FossilOrigin-Name: e816dd924619db5f766de6df74ea2194f3e3b538
 2014-02-03 13:52:03 +00:00