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6375 Commits

Author SHA1 Message Date
danielk1977
64a54c52fe Another change related to (6401) and (6402): When an attempt to unlock a file fails in os_unix.c, close all files held open waiting for the unlock event anyway. 
This prevents a file-descriptor leak when testing IO errors. (CVS 6406)

FossilOrigin-Name: 50fbcdea045f7d4266d9afa721616c720564aa93
 2009-03-30 07:39:35 +00:00
drh
f9e749cbba Add a comment to the doubleToInt64() routine that explains why returning 
minInt is in fact correct when it seems like maxInt should be returned. (CVS 6405)

FossilOrigin-Name: 7f3be3608542bbc6ac7916e5c3a5436e5f0a552e
 2009-03-29 15:12:09 +00:00
drh
e3e2ae4a6f Turn off the debugging macros in where.c - left on by mistake in the 
previous check-in. (CVS 6404)

FossilOrigin-Name: b601a57582051184baa37b807b1e18db93313e13
 2009-03-29 00:15:54 +00:00
drh
75572e9de9 Improvements to cost estimation for evaluating the IN operator. 
Ticket #3757. (CVS 6403)

FossilOrigin-Name: 0c438e813c411e8f9e92d6c7405fccb7a36e110a
 2009-03-29 00:13:03 +00:00
drh
f48f9ca65c Previous commit ((6401)) did not quite fix the problem. This should work 
better. (CVS 6402)

FossilOrigin-Name: 2e7d3cc9f04de1fe7ef95cd5736dbc409c209cef
 2009-03-28 23:47:10 +00:00
drh
cd731cf540 In the unix-backend, when simulating an I/O error on an unlock operation, 
still mark the connection as unlocked to avoid a future assert(). (CVS 6401)

FossilOrigin-Name: fb35cff855e17771caee2a992e7b2b4105b94862
 2009-03-28 23:23:02 +00:00
drh
17561adc61 The test_async.c module must pass an unchanging filename to the underlying VFS. (CVS 6400) 
FossilOrigin-Name: d1eeee21677a3dffdb4ee1182322007bf24ef03a
 2009-03-28 18:56:14 +00:00
danielk1977
1a321c329b Fix thread related problems in test modules test_async.c and test_journal.c. (CVS 6399) 
FossilOrigin-Name: 45df27a22d283871ed1de334fe3b74b0121d57a6
 2009-03-28 17:21:52 +00:00
drh
94dfe476fa Back out check-in (6380). Replace it with a proper fix to the 
xFullPathname method in the async VFS. (CVS 6398)

FossilOrigin-Name: 767a7f7b55456df404a7f8966a0c48318ddac120
 2009-03-28 15:04:24 +00:00
danielk1977
ac86169fff The fix in (6395) was not correct. Fix #3756 a different way. (CVS 6397) 
FossilOrigin-Name: 9278f7b1e1f2d0d4c2f8829ca801a769e512c2a6
 2009-03-28 10:54:22 +00:00
danielk1977
8594373a25 Fix a couple of test script bugs. No changes to SQLite code. (CVS 6396) 
FossilOrigin-Name: c9fa329f54736de517cddaf747595c9eca931f32
 2009-03-28 07:03:41 +00:00
danielk1977
546820e321 Fix readDbPage() so that if an SQLITE_IOERR_SHORT_READ is encountered, the page content is zeroed. Ticket #3756. (CVS 6395) 
FossilOrigin-Name: 647e3b156e32e37debd60b0079fc5a52bdc9b8c8
 2009-03-28 06:59:41 +00:00
danielk1977
717811c995 When "PRAGMA case_sensitive_like" is invoked, override all existing "LIKE" functions, including UTF-16 versions. (CVS 6394) 
FossilOrigin-Name: 1c6521e53b846eec2e046b1e9c04c60658b8e0e8
 2009-03-27 15:26:03 +00:00
drh
bcf4f4840b Fix another compiler warning in the test logic of tclsqlite.c. (CVS 6393) 
FossilOrigin-Name: 47ffc4dca8f106d0da8cbc0a8ff7453016e9b40d
 2009-03-27 12:44:35 +00:00
drh
69910da997 Fix some compiler warnings in test code. (CVS 6392) 
FossilOrigin-Name: a43ecc9cb91ea8693e0fcce12c1bb5c5e4baf434
 2009-03-27 12:32:54 +00:00
danielk1977
62e5a81a5a Fix an incompatibility between the test_async.c backend and change (6390). (CVS 6391) 
FossilOrigin-Name: 6762625d29d5e0053afdad033fe54e2d9121046a
 2009-03-27 09:10:12 +00:00
danielk1977
ee8b799d47 Check that the first byte of a potentially hot journal file is non-zero before beginning hot-journal rollback. Fix for #3751 and #3745. (CVS 6390) 
FossilOrigin-Name: 80241a050296067937d0b0529fdf0c347358f86c
 2009-03-26 17:13:06 +00:00
danielk1977
6d96100912 Prevent the tcl test suite from throwing an exception when a threadsafe SQLite is linked against a non-threadsafe Tcl for testing. Print a warning instead. Ticket #3753. (CVS 6389) 
FossilOrigin-Name: a22e7c818b2227a4c80ad84b299d11f365e3b17d
 2009-03-26 14:48:07 +00:00
drh
73cd27300d Added new tests of the scratch memory allocator for increased test coverage. (CVS 6388) 
FossilOrigin-Name: e99e28efbbfff3e46eec0f90d566991de4406fd8
 2009-03-26 12:20:32 +00:00
danielk1977
5a2cc667ca Ensure that the test vfs in test_journal.c zeroes sqlite3_file.pMethods if an xOpen() call fails. Similar problem to that fixed by #6384. This was a problem with test code, not SQLite itself. (CVS 6387) 
FossilOrigin-Name: 45ae830d5631afa5d994361f5122c2f0b6fbab4c
 2009-03-26 11:49:11 +00:00
drh
7c01f1d754 Remove an unused parameter from sqlite3DequoteExpr. Fix another unrelated 
and harmless compiler warning. (CVS 6386)

FossilOrigin-Name: 8589b0fcc51a32188386e442655fd91f421ca7f8
 2009-03-25 16:51:43 +00:00
danielk1977
357864ecb6 Fix a problem preventing sqlite3_extended_errcode() from working correctly. (CVS 6385) 
FossilOrigin-Name: de469c46f55bf772ab8a49a185dc1b87360a937f
 2009-03-25 15:43:08 +00:00
drh
072db2fb13 When a VFS.xOpen fails, make sure the pMethods pointer is zeroed on the 
sqlite3_file object so that subsequent xClose() operations against that
same file handler are no-ops.  Bug in the test_async.c module only - not
in the core library.  Ticket #3744. (CVS 6384)

FossilOrigin-Name: c32b454118f4b0cc615edb9b35f749db45f6b36d
 2009-03-25 14:24:41 +00:00
drh
892404323f Use fdatasync() only on linux, unless -Dfdatasync=fdatasync is set at 
compilation time. (CVS 6383)

FossilOrigin-Name: cbf2ca4cc41f1f710635b863db6e98074bd5e8bc
 2009-03-25 01:06:01 +00:00
drh
72bcfa6eeb Change OS_UNIX to SQLITE_OS_UNIX in test_thread.c. Modify notify2.test to 
print out its timings in addition to reporting success or failure. (CVS 6382)

FossilOrigin-Name: 940d72d2bae95ddd1aea9b63424179735f440296
 2009-03-24 18:42:16 +00:00
drh
86d7a3157c Get the OOM tester in async2.test working again. (CVS 6381) 
FossilOrigin-Name: f398a2d1b0a731bbb600d0bb70ab79f1334ceda9
 2009-03-24 17:43:56 +00:00
drh
37eecdd41d Adjust the lock.test and lock3.test scripts so that they work with the 
asynchronous VFS. (CVS 6380)

FossilOrigin-Name: 40df926b4606b3abe8c797bf17163f996bd03ad5
 2009-03-24 16:55:43 +00:00
drh
9a6dedaef8 Include sqliteInt.h in test_async.c so that the asynchronous VFS tests 
will run even if SQLITE_OS_UNIX is not explicitly defined. (CVS 6379)

FossilOrigin-Name: 29b0d6a3fe519c71a92e2436d7c5860f3f0178ef
 2009-03-24 16:27:09 +00:00
drh
1af466eb6b New assert()s added to verify that the Expr.token value is used correctly. Ticket #3743. (CVS 6378) 
FossilOrigin-Name: cf3d84ab73b7f519921a984f88bdad81996a3a82
 2009-03-24 15:31:28 +00:00
drh
d9da78a2c8 Changes to insure that lookaside memory allocations are never used to hold 
schema content.
Ticket #3743. (CVS 6377)

FossilOrigin-Name: ea74d8dc62f5784089aa8ef098e97c505a79b176
 2009-03-24 15:08:09 +00:00
danielk1977
4be6469146 Add a comment to prepare.c explaining why the lookaside buffer is disabled before sqlite3_exec() is called to parse a schema statement. No code changes. (CVS 6376) 
FossilOrigin-Name: 8ca6a665650c9683a202f3ced17b14f7c85624bf
 2009-03-24 04:46:08 +00:00
drh
347a7cb35b Clarify the meaning of a comment. No changes to code. (CVS 6375) 
FossilOrigin-Name: 7c2df04b52a40d5d1b744ad1097f7c12143d8c2c
 2009-03-23 21:37:04 +00:00
drh
7047e25c45 Add asserts to make sure that database connection locks are held when 
accessing the lookaside memory allocation buffers.  No defects were found. (CVS 6374)

FossilOrigin-Name: 8a9f3e66069146ad1b1bc2686567882dc87603a9
 2009-03-23 17:49:14 +00:00
danielk1977
a8bbef84bf Fix an obscure race condition that can occur when multiple threads, shared cache and DDL statements are combined. Enhance notify2.test to test this scenario. (CVS 6373) 
FossilOrigin-Name: 92ec5975123284aff3a69ee16c397d9e2a844c0b
 2009-03-23 17:11:26 +00:00
danielk1977
bc73971db6 Use the ROUND8() macro to round an integer up to the nearest multiple of 8 and ROUNDDOWN8() macro to round down to the nearest multiple of 8. This is a cosmetic change. (CVS 6372) 
FossilOrigin-Name: db1d4d2f5083adf5438c7f387b115180800e7bd9
 2009-03-23 04:33:32 +00:00
shane
ca18d20fd6 Fix compiler warning in MSVC. (CVS 6371) 
FossilOrigin-Name: 83a4d5b3d7abe983c2be00a694cc7d4c4847f253
 2009-03-23 02:34:32 +00:00
drh
296a483c2e Allow the keyword INDEXED to be used as the name of a table or index or 
column - for backwards compatibility. (CVS 6370)

FossilOrigin-Name: 53149c9f5d5cfaba3374703cd3af92a9d4cf8718
 2009-03-22 20:36:18 +00:00
drh
0fa991b9e3 Update comments in build.c to conform to the latest implementation. (CVS 6369) 
FossilOrigin-Name: a915e8e0a429ab6a10536c45264a790c2d076461
 2009-03-21 16:19:26 +00:00
drh
4a7384a25f Rig the unix backend to use fdatasync() by default, without having to set the 
HAVE_FDATASYNC macro.  Systems that do not support fdatasync() can be compiled
using -Dfdatasync=fsync. (CVS 6368)

FossilOrigin-Name: a331562727be465874a66c2c1d15ee070f96f7e0
 2009-03-21 14:56:52 +00:00
drh
0b647ffd47 On unix, always use fdatasync() instead of fsync() when available, even if 
the file size changes, since (we are told) fdatasync() will automatically
flush the inode when the file size changes. (CVS 6367)

FossilOrigin-Name: 0d6b11bcf67f86e5554806869d32338e5831833e
 2009-03-21 14:41:04 +00:00
danielk1977
2b31b211c3 Add a test to try to hit the race-condition fixed by (6363). (CVS 6366) 
FossilOrigin-Name: 4310411f5027dba18e017023e21cb09982e26752
 2009-03-20 15:16:05 +00:00
danielk1977
c926b6a65b Fix an assert failure introduced by (6355). (CVS 6365) 
FossilOrigin-Name: a08324d16d1e9a4e7c1b294bc71fc939d173f826
 2009-03-20 14:42:11 +00:00
danielk1977
be2296501c Make sure struct WhereClause is aligned on an 8-byte boundary. Fix for #3613, #3736. (CVS 6364) 
FossilOrigin-Name: 093a0cf4adc8613f744c2ccdef61f0b30a46818c
 2009-03-20 14:18:51 +00:00
drh
7555d8ec40 Rename the unused MEM2 static mutex to OPEN and reuse it to serialize access 
to the sqlite3BtreeOpen() routine to prevent a race condition on detection
of sharable caches.  Ticket #3735. (CVS 6363)

FossilOrigin-Name: 19fa5a29b97f017a9e176e48c848100299ba6920
 2009-03-20 13:15:30 +00:00
danielk1977
df0f3c06b6 Fix a problem in thread005.test cause errors on osx. (CVS 6362) 
FossilOrigin-Name: 56e6fca1a9da69c3a0fe43b00db9a6d9d93f03ba
 2009-03-20 10:24:03 +00:00
danielk1977
eefa000331 Fix a problem in loadext.test causing an error on OSX. This is not a real problem, just a case of the test script expecting a slightly different error message than the one returned. (CVS 6361) 
FossilOrigin-Name: 18680989b5365b0e35fadca5919dfced22433ff4
 2009-03-20 09:09:37 +00:00
danielk1977
238746a650 Fix a couple of fairly obscure cases where an assert() could fail following a malloc failure. (CVS 6360) 
FossilOrigin-Name: cc0d925669ddeb55048e88aa5b4f658be60b0962
 2009-03-19 18:51:06 +00:00
danielk1977
65a2ea1155 Change sqlite3_step() to return SQLITE_LOCKED if a statement cannot be re-compiled due to locks on the shared-cache schema. Also add a blocking wrapper of sqlite3_prepare_v2() to the test code. (CVS 6359) 
FossilOrigin-Name: e8be1af922098e298902820730f8b28603bd6fae
 2009-03-19 07:58:31 +00:00
danielk1977
cb9d8d8821 Fix a crash that could occur when creating an index in shared-cache mode with lookaside enabled. (CVS 6358) 
FossilOrigin-Name: 097737e3689b9a7e32815fe9c6fc6eed796ae53c
 2009-03-18 18:43:36 +00:00
danielk1977
308ef5a548 Modify test script backup2.test so that it works on OSX. (CVS 6357) 
FossilOrigin-Name: d82e8cd43f46dda15fd15b567901a7dbb2276287
 2009-03-18 13:55:29 +00:00
drh
0bb1221eed Add comments and testcase() macros to the fix for shared-cache schema default 
value problem of check-in (6353). (CVS 6356)

FossilOrigin-Name: 05d8607d44cd3ff262c07cc1192f4471f3192b09
 2009-03-18 10:36:12 +00:00
danielk1977
bd43455c38 Fix some cases where executing SQL from within a user-function callback could cause problems related to statement-transactions. (CVS 6355) 
FossilOrigin-Name: a60f4191791dd7bb49d5c95b350a9924845b59a8
 2009-03-18 10:33:00 +00:00
drh
7f75122149 Move the rowid cache out of VdbeCursor and into BtCursor. When multiple 
BtCursors are open on the same table, set their rowid cache all at the
same time.  Ticket #3731. (CVS 6354)

FossilOrigin-Name: 189785832a7dc9f4a0a2113d850b92b987e0f9bf
 2009-03-17 22:33:00 +00:00
danielk1977
21822c58b0 Fix a problem that could cause a crash when a shared-cache schema contains column default values. (CVS 6353) 
FossilOrigin-Name: afadddc34eee3d6a39102b790ce1a869b33d4286
 2009-03-17 17:48:59 +00:00
drh
3ded8d6f2a Fix test script bugs in the thread002.test and thread_common.tcl. (CVS 6352) 
FossilOrigin-Name: d137e841ce90be92f4c18218f35d22e3a06b0f14
 2009-03-17 15:39:31 +00:00
drh
1f4969a117 Make sure the finished() array in thread005.test is cleared before the 
script starts. (CVS 6351)

FossilOrigin-Name: ddadc25d550efd56e319bf5508c27d66e346be1b
 2009-03-16 17:07:57 +00:00
danielk1977
d52acb3b5b Modify quick.test to support the QUICKTEST_INCLUDE environment variable, which can be used to override the built-in EXCLUDE list. (CVS 6350) 
FossilOrigin-Name: fdfe22f0a568b5e8a5a2ad302d7c06b2696809b0
 2009-03-16 14:48:18 +00:00
drh
8948747d8d Additional hyperlinks in the sqlite3_unlock_notify() documentation. (CVS 6349) 
FossilOrigin-Name: 4dae5f6ed1662ca1c5c26d57049f7d349299468c
 2009-03-16 13:37:02 +00:00
danielk1977
404ca07578 Add the sqlite3_unlock_notify() API. (CVS 6348) 
FossilOrigin-Name: b649a6cc5bfefddd6a04b1183647d2923e0a0daa
 2009-03-16 13:19:36 +00:00
drh
b030434d93 Bump the version number to 3.6.12. (CVS 6347) 
FossilOrigin-Name: 2fcccca3e56e2e3a95bdedeb01ab7da1b24b7ac2
 2009-03-16 12:30:52 +00:00
drh
93a989cf65 Remove surplus white space from shell.c. Use strlen30() instead of strlen(). (CVS 6346) 
FossilOrigin-Name: 324a1aff300b7349b9fc1dea56d640d86500f100
 2009-03-16 10:59:44 +00:00
danielk1977
1b870de6b0 Fix for #3719. When synthesizing a CREATE TABLE statement as as result of a "CREATE TABLE AS", quote the column type names unless they are simple identifiers or simple identifiers followed by one or two dimensions (e.g. "VARCHAR(10)"). (CVS 6345) 
FossilOrigin-Name: 7c6437efe0a0e935cfa8041bd6b94070c8654fa4
 2009-03-14 08:37:23 +00:00
danielk1977
9365c6760a Do not overrun a buffer in the genfkey code (now part of shell.c). Fix for #3722. (CVS 6344) 
FossilOrigin-Name: 943b11fb188835f0c62b6064b084192b1bbe1c0c
 2009-03-13 15:32:53 +00:00
danielk1977
2fe5cb1809 Avoid fts3 crash on (MATCH '""') expressions. Ticket #3717. (CVS 6343) 
FossilOrigin-Name: 03679857a320517a7b89e5214e948bce9af896a9
 2009-03-12 15:43:47 +00:00
danielk1977
20736d82e2 Make calls to sqlite3BtreeRollbackStmt() no-ops when passed a Btree* handle that does not have an open statement transaction. Ticket #3718. (CVS 6342) 
FossilOrigin-Name: a1bb1aef0e06140a2d5d5e4b6c10c73ce95c89e0
 2009-03-12 14:43:27 +00:00
danielk1977
6fa0fe13f0 Begin purging dirty pages from the cache once 90% of the cache is dirty (insteadof waiting until it is 100% dirty). This improves performance in some circumstances by effectively reserving 10% of the configured page-cache for frequently reused read-only pages. (CVS 6341) 
FossilOrigin-Name: 823fe7f5551e121e211d1ede606a7ce7487ffe0d
 2009-03-05 14:59:39 +00:00
danielk1977
c427740b78 Comment out a recently added assert statement that is failing. (CVS 6340) 
FossilOrigin-Name: d0b2015f1caf2fc60ec82bd8e760f7b61befa3b4
 2009-03-05 14:53:18 +00:00
shane
50daafc74a Implemented winSectorSize(); Other changes for consistency. os_win.c. Ticket #2931. (CVS 6339) 
FossilOrigin-Name: 68abcb278ced40c0d97af724dbd1b751a3becdc2
 2009-03-05 05:54:55 +00:00
shane
3c9cfa999c Changes to cleanup and improve the consistency of tests for large file support in bigfile.test. (CVS 6338) 
FossilOrigin-Name: 3dbdf68030855a5da24de0ae2f10a26da2531d33
 2009-03-05 04:27:08 +00:00
shane
e34c647ed0 Added some asserts and a check for a null pointer dereference. (CVS 6337) 
FossilOrigin-Name: 6b0cabd017ed25530b2d918d2c069fcbdd60a3f6
 2009-03-05 04:23:47 +00:00
shane
be21779385 Corrected typos and misspellings. Ticket #3702. (CVS 6336) 
FossilOrigin-Name: 6404afa0c515a6536fc2e878d4fb451e4dc06942
 2009-03-05 04:20:31 +00:00
shane
c0688ea172 Removed compiler warnings from MSVC builds. Ticket #3701. (CVS 6335) 
FossilOrigin-Name: 5477833ec7f707ea9937d3fd6a6d8ab49f2016f1
 2009-03-05 03:48:06 +00:00
shane
ce6fa1706a Converted EXPR_*SIZE macros to use offsetof() to avoid MSVC compiler warnings. (CVS 6334) 
FossilOrigin-Name: 5e8e16f7d505a4b21272f1d300f366ee0e211e56
 2009-03-02 17:18:48 +00:00
drh
18209cd6e2 Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT option for the new Expr compression 
logic of check-in (6305).  Bug discovered during regression testing. (CVS 6333)

FossilOrigin-Name: 91969edac737adf087e35e10aa0a732b3303afd5
 2009-03-02 14:24:21 +00:00
drh
d742bb78f8 Fix a bug in the GROUP BY alias name resolution. The bug was by 
check-in (6305).  Discovered by regression test on 64-bit linux.
Test cases added so that the problems is detected on 32-bit systems. (CVS 6332)

FossilOrigin-Name: fa0008502ec4f891bfed4a11f01650d274f95c44
 2009-03-02 01:22:40 +00:00
drh
d43fe20bc9 Suppress some compiler warnings (where possible). Ticket #3696. (CVS 6331) 
FossilOrigin-Name: a2373e5409e4e59903f315a4446db8cb6ba000cc
 2009-03-01 22:29:20 +00:00
drh
b45f65db8f Fix a critical bug in the VDBE opcode array resizer introduced by 
check-in (6307).  Bug detected by regression testing. (CVS 6330)

FossilOrigin-Name: ec3b18acaecabae6eb04eda006870e602faacb8c
 2009-03-01 19:42:11 +00:00
danielk1977
2f886d1d53 Instead of linking temporary triggers on non-temporary tables into the Table.pTrigger list, search the temp schema for them on demand. Fix for #3688. (CVS 6329) 
FossilOrigin-Name: 3befe1ef7e6ebddedfa69579553a1b85b411ee98
 2009-02-28 10:47:41 +00:00
danielk1977
02b4e3b34e In sqlite3_table_column_metadata(), hold the mutex on all attached BtShared objects while accessing schema objects. Fix for #3679. (CVS 6328) 
FossilOrigin-Name: d197afd658eecfc0e24913e5a779c8f1e2a138a6
 2009-02-26 07:15:59 +00:00
drh
da10822a61 Move the new genfkey shell command out from within #ifdef _WIN32_ (CVS 6327) 
FossilOrigin-Name: 48ee0e47e2d9669cc7425104e6b04ce49caf2e56
 2009-02-25 19:07:24 +00:00
danielk1977
e632004fdd Remove genfkey.c. Change genfkey.README to talk about the new shell dot-command, not the old standalone genfkey program. (CVS 6326) 
FossilOrigin-Name: 36d699660bc328e65170d72be715338e82dbbb50
 2009-02-25 15:43:57 +00:00
danielk1977
c8c7069035 Add the 'genfkey' functionality to the sqlite3 shell. Accessed using a new dot-command - ".genfkey". (CVS 6325) 
FossilOrigin-Name: 0a59fb28b46e5d85c850d1dfa1385a4656e4dda5
 2009-02-25 15:22:02 +00:00
danielk1977
02f33725d2 Minor changes and coverge tests for "SELECT count(*)" optimization. (CVS 6324) 
FossilOrigin-Name: a3695b98f63fb776c3b7f77f0553e8a38bcc6f78
 2009-02-25 08:56:47 +00:00
drh
11b57d6929 Additional commands and another procedure name changes for clarity of 
presentation. No logic changes. (CVS 6323)

FossilOrigin-Name: 91d9d51e03657e7492dd7b93e66c82b152abec3b
 2009-02-24 19:21:41 +00:00
drh
c25eabedef Changes to comments and functions/procedure names for clarification. No 
changes to logic. (CVS 6322)

FossilOrigin-Name: b99c1815fe270decf1ac3d714acc7e945d1e728a
 2009-02-24 18:57:31 +00:00
danielk1977
2b0223ecf6 Remove old declaration of sqlite3_pending_byte (which was used by test code). It has been replaced by sqlite3PendingByte. Ticket #3677. (CVS 6321) 
FossilOrigin-Name: 44f0162ebb760dd6926ee5691752b6798e3aacb9
 2009-02-24 18:40:49 +00:00
danielk1977
7a895a8048 Fixes and some extra test cases for count(*) optimization. (CVS 6320) 
FossilOrigin-Name: 3f0baa1b63df31f7dc885fd39290ca12ad2be6df
 2009-02-24 18:33:15 +00:00
drh
c74d0b1dfc Enhanced comments on table locking logic as it relates to preparing new 
statements.  Added assert() and testcase() but no other changes to code. (CVS 6319)

FossilOrigin-Name: 4a12f5b818b769d7518c942ff3dedf453dde698e
 2009-02-24 16:18:05 +00:00
danielk1977
4d9c1dd262 Add test file test/count.test for testing "SELECT count(*)" statements. It is not properly populated yet. (CVS 6318) 
FossilOrigin-Name: a195d74ff9ce836447dba4da7edcc6f1cdae5574
 2009-02-24 10:48:27 +00:00
danielk1977
2d2e7bd32e Reverse commit (6315) for now. (CVS 6317) 
FossilOrigin-Name: 0e7c369c23a8767b4d3e5cdd47c14716992fb71a
 2009-02-24 10:14:40 +00:00
danielk1977
a55331620e Optimize queries of the form "SELECT count(*) FROM <tbl>" by adding a sqlite3BtreeCount() interface to the btree layer. (CVS 6316) 
FossilOrigin-Name: d4aa6593183224b6868a322511511c0bbf63b598
 2009-02-24 10:01:51 +00:00
danielk1977
e2d7b24d08 Scan an index instead of a table for "SELECT count(*) FROM <tbl>" queries. Because an index is usually smaller than a table on disk, this saves some IO. (CVS 6315) 
FossilOrigin-Name: 294ba6f743c9132dce0e73da480bd3c2071e7239
 2009-02-23 17:33:49 +00:00
drh
699b3d4f89 Add the reverse_unordered_selects pragma. (CVS 6314) 
FossilOrigin-Name: bc078e0007b6c3dc07722820bb53798b643212b3
 2009-02-23 16:52:07 +00:00
danielk1977
7c5c3cab89 Ensure the return value of sqlite3_errmsg16() is aligned on a 2-byte boundary. Ticket #3665. (CVS 6313) 
FossilOrigin-Name: 9b8acf8319ec760713773407a4d5a33dea8d75e8
 2009-02-23 14:42:53 +00:00
drh
6104b65303 The sqlite3.def file is automatically generated and is not suppose to be 
part of the source code repository.  So it is hereby removed.
Ticket #3671. (CVS 6312)

FossilOrigin-Name: 5dcda154090e55a22b4d19f9def42beba8733f50
 2009-02-21 22:38:59 +00:00
rse
973402e511 unbreak Autoconf-based build procedure by added missing backup.lo to the list of library objects (CVS 6311) 
FossilOrigin-Name: 94945801973c0e659de3f429c98a7d95a8c693f6
 2009-02-20 22:27:41 +00:00
danielk1977
d336e222f4 Instead of using SetNumColumns, specify the number of columns in a table or index using the P4 argument. (CVS 6310) 
FossilOrigin-Name: e43ed649630cbc49a6f2a25a26a4a6b5fce84c48
 2009-02-20 10:58:41 +00:00
drh
08de14908d Add a count parameter to the OP_Variable opcode and use it to simplify 
prepared statements that copy consecutive unnamed parameters into
consecutive registers (a common case). (CVS 6309)

FossilOrigin-Name: 48b77b04935d8942eb22f0c061f3bc5e99bbd7db
 2009-02-20 03:55:05 +00:00
drh
5053a79b6c Add the OP_HaltIfNull opcode and use it to simplify prepared statements 
for INSERTs and UPDATEs of tables with NOT NULL columns. (CVS 6308)

FossilOrigin-Name: feccad8d0d05925ce67856d40ffe1bc7054168a0
 2009-02-20 03:02:23 +00:00
drh
b2771ce24c Reuse space left-over opcode space at the end of the VDBE opcode array to 
store memory cells, VDBE cursors, and other content needed by the VDBE.
This reduces the memory required by a prepared statement. (CVS 6307)

FossilOrigin-Name: 58a1809257ccfb7d9112a35f79ca2f82b3daa878
 2009-02-20 01:28:59 +00:00