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20,306 Commits 1,608 Branches 185 Tags
e22976c5357fb6501cb0dd40220b8d48bd9295bb
Commit Graph

1354 Commits

Author SHA1 Message Date
dan
03e9cfc223 Refactor the sqlite3VdbeRecordUnpack() interface to better accommodate the vdbesort.c module. 
FossilOrigin-Name: f115b2303509c678dbe83b2fa3d9c40d82882813
 2011-09-05 14:20:27 +00:00
drh
34163c6831 Remove some dead code. Fix a faulty assert(). Improve some variable names. 
FossilOrigin-Name: a9a64592cf88580cb254fb0aac65a2f2085976ec
 2011-09-02 21:42:33 +00:00
dan
7733a4db4b Combine two malloc calls in vdbesort.c. 
FossilOrigin-Name: cf48ad8353e28339d00f448bb729e10a7f2aad72
 2011-09-02 18:03:16 +00:00
dan
5134d1357e Instead of a temporary b-tree, use a linked-list and merge-sort to sort records in main memory in vdbesort.c. 
FossilOrigin-Name: 7769fb988d9be0f2d8129aaac19620ac88f9b4a6
 2011-09-02 10:31:11 +00:00
drh
e42a9b431b Add checks to make sure cells in corrupt database files 
do not overflow a page when doing autovacuum.
Problem detected by valgrind.

FossilOrigin-Name: d0b347b412376d22e9f0770ac083dafb5e480dd0
 2011-08-31 13:27:19 +00:00
dan
a205a486d2 Experimental changes to improve the performance of OP_Next. 
FossilOrigin-Name: 1a249845251199c00817893add300a1a654b4df9
 2011-08-27 18:48:57 +00:00
drh
2a5d9908f9 Create a new pager type, PAGER_SORTER, for use in the external merge sort. 
Such pagers are always held in memory but do report when they are under
memory pressure by calling pagerStress.

FossilOrigin-Name: c71d73201d950355862dd8d5de142c9673888755
 2011-08-26 00:34:45 +00:00
dan
06199d84e8 When copying a rollback mode database over a WAL database using the backup API, leave the destination database in WAL mode (instead of switching it to rollback mode). Fix for [af95b8c609]. 
FossilOrigin-Name: 35e6ac18e3d030095da57fff87a288939e9be93f
 2011-08-23 11:47:06 +00:00
dan
c6e734554f Change to using packed-memory-arrays instead of b-trees when performing an offline merge-sort for CREATE INDEX. This makes it easier to control the number of disc seeks required when merging. 
FossilOrigin-Name: a4770d079c1b236eb54751e75a44cccc997c6b93
 2011-08-04 12:14:04 +00:00
drh
2ce71b4e7a Add assert() statements to verify that u16 pointers associated with 
the enhancement in [897f56a158] are always 2-byte aligned.

FossilOrigin-Name: 98ccfa930e8e5f10808a518e3e22e85e8a8a65c2
 2011-06-06 13:38:11 +00:00
drh
afb9817f8c Performance improvement to the btree search routine. 
FossilOrigin-Name: 65db822f200bafe9abe59b33b17b2c643c17c5e8
 2011-06-04 01:43:53 +00:00
drh
61d2fe955c Performance improvements on memory copies inside of btree by moving 2 bytes 
at a time instead of just 1 byte at a time.

FossilOrigin-Name: 897f56a158ebe62758c9998e4941ae046c75fb99
 2011-06-03 23:28:33 +00:00
drh
68f2a57698 Factor an "if" out of a loop in balance_nonroot() for about a 1% performance 
increase.

FossilOrigin-Name: 1bd72d0c616e20fdb395c72ecd96579090ae26cb
 2011-06-03 17:50:49 +00:00
drh
c3f1d5f095 Minor performance improvements. 
FossilOrigin-Name: f9950c6af1813f724dacd7455f472acec921b06a
 2011-05-30 23:42:16 +00:00
drh
fc24373999 Avoid exceeding array bounds when reading a corrupt database file in 
autovacuum mode.  Fixes a problem discovered by John Regehr and Peng Li
using a customized clang compiler.

FossilOrigin-Name: f7c525f5fc31e909721df2b1e66fc62dfb105718
 2011-05-17 15:21:56 +00:00
dan
3a6d8aec2a Have the ATTACH command do URI interpretation in the same way as sqlite3_open() and sqlite3_open_v2() do. 
FossilOrigin-Name: 68240e75e87a54cde93352b0ec364d34365a8170
 2011-04-23 15:54:54 +00:00
drh
93b4fc78cf When searching a list of freelist trunk pages looking for a specific page 
to allocate, avoid unnecessary journalling of the unchanged trunk pages towards
the start of the list.

FossilOrigin-Name: d03d63d77ed144ac2c02a0245c4b4b070b79c88e
 2011-04-07 14:47:01 +00:00
dan
bb2b441867 Changes to support building with various SQLITE_OMIT_XXX options defined. 
FossilOrigin-Name: 2039ed952a02bdcd4fc6d2e20572c4632084dcdb
 2011-04-06 17:54:31 +00:00
drh
fcd71b6010 Suppress many harmless compiler warnings, mostly signed/unsigned comparisons 
within asserts or unused parameters in extensions.

FossilOrigin-Name: 3eeb0ff78d04891b5fd1a3d99a9fb8cfbed77a81
 2011-04-05 22:08:24 +00:00
drh
4fa7d7c0df Fix typos in comments. No changes to code. 
FossilOrigin-Name: 28c5f12e98655d5c6167b13e8a15085eca43dd5b
 2011-04-03 02:41:00 +00:00
dan
60939d0ade Fix a problem whereby following an IO error in CommitPhaseTwo() of a multi-file transaction the b-tree layer could be left in TRANS_WRITE state, causing problems later on. 
FossilOrigin-Name: dbe569a099c2855480e35c0cc4d9332821ad80da
 2011-03-29 15:40:55 +00:00
drh
d50ffc416f Fix additional cases of possible signed integer overflow, especially with 
regard to negation.

FossilOrigin-Name: 2d5800bd8cfc7d7f5578a71b1aeaa74b2ec4b372
 2011-03-08 02:38:28 +00:00
drh
c126e63e4f Remove dead code identified by the clang static analyzer. 
FossilOrigin-Name: 01a79d5a7af48fb7e50291c0c7c6283d3fb359d0
 2011-03-06 21:28:32 +00:00
dan
ecac670a8b Do not report corruption if the the db size header field is greater than the file size on disk unless the two change-counter header fields are identical. Fix for ticket [89b8c9ac54]. 
FossilOrigin-Name: 00c4596f0b270120848ab8d06dcdec7813a9a315
 2011-02-09 18:19:20 +00:00
drh
87fa53ee8d Merge in the blocking-checkpoint enhancement, including the new 
sqlite3_wal_checkpoint_v2() interface and the
PRAGMA wal_checkpoint(full) statement.

FossilOrigin-Name: bac7342c368a7c4f5f2878e08d9581dcbf57dd58
 2011-02-02 16:34:08 +00:00
drh
41692e9d7c Shave a few cycles so that performance is better than 3.7.4 in speed tests. 
FossilOrigin-Name: e14649301138b6840e24a4bbd2cf5205c0f72409
 2011-01-25 04:34:51 +00:00
drh
efd95a7aca Do not raise an SQLITE_CORRUPT error in Recoverymode 
if the database size in the header is larger than the physical file
size.  This facilitates recovery of a database in which the database size
field has been corrupted.

FossilOrigin-Name: 114640d920e16c85de90b19d53c485135875de5b
 2011-01-12 17:56:26 +00:00
drh
b0a7c9cd2f Fix the build so that it once again works with SQLITE_OMIT_SHARED_CACHE 
and SQLITE_OMIT_AUTOVACUUM.

FossilOrigin-Name: fabcb6b95e1d4059d1e6c6183f65846f6cbd5749
 2010-12-06 21:09:59 +00:00
drh
27f9aba18c Merge the checkpoint_fullfsync pragma and the superlock demonstration into 
the checkpoint-v2 experimental branch.

FossilOrigin-Name: ebf74015f09fe241c1c6902dc8954f2b59ab41ec
 2010-11-19 18:51:31 +00:00
drh
c97d84638e Add the checkpoint_fullfsync pragma which enables F_FULLFSYNC on checkpoint 
operations only, not during ordinary commit fsyncs.

FossilOrigin-Name: a069867301de3ca2e1753bd4d2e426d27365be4c
 2010-11-19 18:23:35 +00:00
dan
cdc1f049bf Modify the interface to the blocking wal-checkpoint functionality. 
FossilOrigin-Name: 72787c010c8944e8fcf9c98aa4482f129142d8e9
 2010-11-18 12:11:05 +00:00
dan
a58f26f93f Add experimental command "PRAGMA wal_blocking_checkpoint", which uses the busy-handler to block until all readers have finished in order to ensure the next writer will be able to wrap around to the start of the log file. 
FossilOrigin-Name: 7e3fc2c833a5baa08820c499867b6902bdc2ed5a
 2010-11-16 18:56:51 +00:00
dan
4e76cc3650 Updates to FTS4 to improve performance and make more accurate cost estimates for prefix terms. 
FossilOrigin-Name: d0a450ce78e99f55c862f26f9332786660007a0a
 2010-10-20 18:56:04 +00:00
drh
075ed30a9f Avoid taking locks on unused database connections when committing a 
read transaction.

FossilOrigin-Name: c0ee614fd988f445c4884a37f494479bdd669185
 2010-10-14 01:17:30 +00:00
shaneh
bd2aaf9ab1 Fix some compiler warnings under MSVC. 
FossilOrigin-Name: afdc82a99eba260aed8ae2cca4bcec629f384098
 2010-09-01 02:38:21 +00:00
drh
d4187c716c Provide hints to the btree layer during the creation of transient tables 
when it is possible for those tables to use a hash rather than a binary tree.
No use is current made of those hints, though assert() statement verify
their accuracy.

FossilOrigin-Name: 4fead8e714c7e50a9d246467e62bc846ef6180a0
 2010-08-30 22:15:45 +00:00
drh
75c014c321 Remove the sqlite3BtreeFactor() wrapper routine. All modules now call 
sqlite3BtreeOpen() directly.

FossilOrigin-Name: 0900e35348f4b9bf327d6ae2884c4ddbb6345d8d
 2010-08-30 15:02:28 +00:00
dan
f48c355b33 Fix for ticket [5e10420e8d]. 
FossilOrigin-Name: 255f1eefa373153942c67b18b22177933657911d
 2010-08-23 15:41:24 +00:00
drh
5f77b2e0ea Fix the ptrmapPageno() routine so that it works correctly for an input of 1. 
FossilOrigin-Name: 699a9bf28377f43f58c509878cce60cb906dbf48
 2010-08-21 15:09:37 +00:00
drh
6b47fcacb4 Remove a NEVER from balance_quick() that can occur in WAL mode on 
a corrupt database file.

FossilOrigin-Name: b273891ab05a18b68a76c870ea3be9f1a56c40a9
 2010-08-19 14:22:42 +00:00
drh
e22e03e210 Fix two asserts in the btree logic so that they work correctly even for 
maximum-size index entries for 32K and 64K pages.

FossilOrigin-Name: e127192d106bd7e036caacf01bf7725eeaa85dbe
 2010-08-18 21:19:03 +00:00
shaneh
1df2db7fd1 Fix some compiler warnings in the MSVC build. 
FossilOrigin-Name: 1f5662b7db5d623c8d99c45a8d97a0aa4427593f
 2010-08-18 02:28:48 +00:00
drh
43b18e1e55 Suppress harmless compiler warning. 
FossilOrigin-Name: 3f8c068a41b01f59d7f5d56f3bced78587f4d26c
 2010-08-17 19:40:08 +00:00
drh
9b78f79183 Adjustments for better 64K page size handling. 
FossilOrigin-Name: faf1974e2de321bfefb68b81d702ae69771933ef
 2010-08-14 21:21:24 +00:00
drh
8fb8b53728 Change sqlite3PagerPagecount() to return void, since the return value was 
always SQLITE_OK and was never used.

FossilOrigin-Name: 7dd78eb7974ec7c40af3fcf2b125ca5bc0766b5c
 2010-08-14 17:12:04 +00:00
drh
5d433ce2ab Minor simplifications to btree.c in support of full-coverage testing. 
FossilOrigin-Name: 364df6c7735447cc2187923918a35bf62d82decc
 2010-08-14 16:02:52 +00:00
drh
b2eced5de2 Increase the maximum page size from 32k to 64k. 
FossilOrigin-Name: 45362437d491fbe0f033a67b398f8ba68cbf1b3b
 2010-08-12 02:41:12 +00:00
drh
b9b49bf36b Do not read the database file size on a SAVEPOINT rollback any more since 
after checkin [65b8636ac6e5] the in-header-size field is always valid.

FossilOrigin-Name: fbe70e1106bcc5086ceb9d8f39cc39baf3643092
 2010-08-05 03:21:39 +00:00
dan
59257dc615 When opening a write-transaction on a database file that has been appended to or truncated by a pre-3.7.0 client, update the database-size field in the database header. Fix for [51ae9cad31]. 
FossilOrigin-Name: 65b8636ac6e5d3e4502d4f576ddf9350d5df3022
 2010-08-04 11:34:31 +00:00
dan
a550f2decd In shared-cache mode, do not allow one connection to checkpoint a database while a second connection is reading or writing the same shared-cache. 
FossilOrigin-Name: e75b52d156905ce16bedb94f65c01a4640bdfa75
 2010-08-02 10:47:05 +00:00