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Author SHA1 Message Date
drh
d7255a207e Simplifications to the overflow-free multiplier. Also remove some commented-out 
code that was left in that subroutine by mistake on the previous check-in.

FossilOrigin-Name: 55fc25fdab61e6094289e068c343e012fec10439
 2011-03-05 21:41:34 +00:00
drh
158b9cb965 Fix all known instances of signed-integer overflow. Within SQL expressions, 
integer overflow now forces coercion to floating point.  The shift operators
work with any integer right-hand operand with negative values reversing
the direction of the shift.

FossilOrigin-Name: abf21394124a0af46f072793718964cee2ce55d0
 2011-03-05 20:59:46 +00:00
drh
cfd654bf2a Fix an instance of signed arithmetic overflow and an one bit-shift overflow. 
Mark six other signed arithmetic overflow locations that need fixing.

FossilOrigin-Name: 04abab71ecd52f6070b9f84781a3df3d6dba7722
 2011-03-05 13:54:15 +00:00
drh
ad4f1e5415 Handle EINTR errors from open(). 
FossilOrigin-Name: a7d176b27cd73791d45eb3a31df78187ae10ce20
 2011-03-04 15:43:57 +00:00
drh
92e4feb74c Do a better job of choosing the join table order when the tables having 
very different numbers of rows.

FossilOrigin-Name: 952f5e8c69904c48f2decfabf8ea60a2e9f3e134
 2011-03-04 00:56:58 +00:00
dan
21e8d0126d Add the experimental sqlite3_transaction_hook() API. 
FossilOrigin-Name: 093d8cd8e2f3a6af5d40cf810e396f4919eb5cef
 2011-03-03 20:05:59 +00:00
drh
3fcdfb35a6 Fix quoting of the result in rtreeB.test. 
FossilOrigin-Name: c6532b35cc5a81cc753a22e0165bfdd5143941f1
 2011-03-02 22:07:29 +00:00
drh
1df30967af Add additional VFS methods to retrieve system call pointers and to get a 
list of all changeable system calls.

FossilOrigin-Name: 38558363494e3a736dcb091dd859e76b7ccd78b0
 2011-03-02 19:06:42 +00:00
drh
e562be52cf Add more system calls to the set that can be overridden in os_unix.c. 
Also merge in recent fixes from trunk.

FossilOrigin-Name: 80fac2a6e07221bb67613af84ab9dda3e18b5ceb
 2011-03-02 18:01:10 +00:00
drh
e84009f6a8 Fix bugs in [7b6e30e6a7] that only show up on Mac. 
FossilOrigin-Name: ec55e8c6bb4f2419b3813aa2fd1a20d8f5016159
 2011-03-02 17:54:32 +00:00
drh
befd5f3c20 Make sure the rtreenode() testing and analysis routine in the RTREE extension 
can handle 64-bit rowids.  This fix is in response to a message on the
mailing list.

FossilOrigin-Name: 24602557fc3295fe2836d269175f12ec680ac011
 2011-03-02 15:44:35 +00:00
drh
99ab3b120e Proof-of-concept prototype for the proposed xSetSystemCall extension method 
on the VFS.

FossilOrigin-Name: 92b5a76abc53290e1bb87b6b55bc64bb1b331dfc
 2011-03-02 15:09:07 +00:00
drh
0e9365ced3 Log all error from close() in os_unix.c to sqlite3_log() but do not attempt to 
report errors back up to the application.  Update the unix error logging to
put the most important information earlier in the message.

FossilOrigin-Name: 7b6e30e6a712311d4ef275253b085b85e6e17116
 2011-03-02 02:08:13 +00:00
dan
46c47d4677 Add the experimental sqlite3_preupdate_hook() API. 
FossilOrigin-Name: 6145d7b89f83500318713779c60f79a7ab2098ba
 2011-03-01 18:42:07 +00:00
drh
30f776fadb Comment out some code in os_unix.c that only runs on MacOSX with 
SQLITE_ENABLE_LOCKING_STYLE.

FossilOrigin-Name: 4e50b0362ab6604a4b6c9f4ad849ec1733d6ce1a
 2011-02-25 03:25:07 +00:00
drh
7f0857c437 Fix a typo in a comment. No changes to code. 
FossilOrigin-Name: af4756184a255f5d8a5cd276bf9f2fc3b38d9169
 2011-02-24 21:10:00 +00:00
drh
03e1b40b03 Reserve a range of bits in the SQLITE_OPEN_xxxx bit vector for future 
expansion.

FossilOrigin-Name: 9b9046546db5b060e37e7ba01c23bb7e9528d861
 2011-02-23 22:39:23 +00:00
drh
5c81927c9d Fix a typo in the robust_flock() macro for systems without EINTR. 
FossilOrigin-Name: af9ba2a6d2c37915e799eec52bb827de46afd34d
 2011-02-23 14:00:12 +00:00
drh
ff81231e62 Retry selected system calls on unix when they fail with EINTR. 
FossilOrigin-Name: b9d29ea385bafcf87c7dd07822ce9ec3d3892bd1
 2011-02-23 13:33:46 +00:00
drh
5b6c545ba1 When a stale schema-cookie is seen, expire only the one statement that 
encountered the bad cookie, not every statement on the database 
connection.  Ticket [b72787b1a7cea1f]

FossilOrigin-Name: 1bca0a7e198391202fd2bc1650c0a62028a9aaa5
 2011-02-22 03:34:56 +00:00
dan
ef7075de1f Fix a problem with "EXPLAIN QUERY PLAN SELECT count(*) FROM tbl". 
FossilOrigin-Name: 9f9f32882501ac9b6e60f81195a64bdbf6e4497b
 2011-02-21 17:49:49 +00:00
dan
e18d495315 Have os_unix.c call sqlite3_log() following errors in certain system calls. 
FossilOrigin-Name: 01076528a43b61ae20ef6969b7d326de9b5313e4
 2011-02-21 11:46:24 +00:00
drh
03c6967f34 An SQLITE_PROTOCOL error counts as a locking error for verification 
purposes.

FossilOrigin-Name: e87d499a4f8a456111c1f96ca6da31d0810fb7c8
 2011-02-19 23:18:12 +00:00
drh
c90e0811d8 Change a testcase() added by the previous checkin into an assert(). 
FossilOrigin-Name: 6f3dad32aa0e1e9ee374302c82bea9bd60d5854b
 2011-02-19 17:02:44 +00:00
drh
ab1cc7462f Add testcase macros to verify that all return values from 
walTryBeginRead() are tested.

FossilOrigin-Name: 262b6fca0b7a251c02604c684a9f7e7a1434d630
 2011-02-19 16:51:45 +00:00
drh
658d76c9f8 Changes to make WAL more robust against SQLITE_PROTOCOL errors. 
FossilOrigin-Name: fd578a32f8e9f04957359e73f244a60f02afe08c
 2011-02-19 15:22:14 +00:00
drh
b1aa0ab6da Fix the sqlite3ValueFromExpr() routine so that it returns SQLITE_NOMEM 
on an OOM when trying to extract a NULL.

FossilOrigin-Name: 1061e94fa983a441b289753b873559163ab849e6
 2011-02-18 17:23:23 +00:00
drh
cd92e84d07 Remove a no-op code path from sqlite3ExprIsInteger(). Replace it with an 
assert() that proves it always does nothing.

FossilOrigin-Name: 7af66d1bd53fd5973281646511e4e1d3b16601a3
 2011-02-17 15:58:20 +00:00
drh
0cf0e6c912 Remove an assert() that was made redundant by the previous checkin. 
FossilOrigin-Name: 21db719156deef9fb26aff27a01e324da255c825
 2011-02-17 13:52:02 +00:00
drh
6f2e6c0026 Add an ALWAYS() around a always-true test in where.c. 
FossilOrigin-Name: 8123283ee1a360586a1721a56b4db15718c25ee0
 2011-02-17 13:33:15 +00:00
drh
650f432e33 Fix harmless compiler warnings in the query planner. 
FossilOrigin-Name: 31fc4ba66e76876b2e7b6b2b74c07f47571938ce
 2011-02-16 23:32:24 +00:00
shaneh
ae23162e52 Add "do_not_use_codec" logic to some of the TCL based test cases that read/write directly to the DB. 
FossilOrigin-Name: edd27669f3d0ec8c878267fb5cae9b73fcdfd2b8
 2011-02-16 01:23:50 +00:00
shaneh
54215638aa Skip some tests in capi3e.test when compiled with SQLITE_OMIT_UTF16. 
FossilOrigin-Name: b04304b9677b84c4bfca011bf7fa0488e7d56d08
 2011-02-14 03:49:40 +00:00
drh
e9ce585779 Add a NEVER() around a test that is believed to always be false. 
FossilOrigin-Name: f7e2ea33d5b37e5b133d96e96a11d2842504355c
 2011-02-11 22:54:28 +00:00
shaneh
a91491e5c7 Skip flattening if subquery has LIMIT and outer query is DISTINCT. Fix for ticket 752e1646fc. 
FossilOrigin-Name: 559739998833643f589fa76d8360080691f83c18
 2011-02-11 20:52:20 +00:00
drh
da91e71308 Fix a bug in the new WHERE-clause processing that tries to use an 
index to resolve IS NOT NULL constraints when SQLITE_ENABLE_STAT2 is
defined.  The bug could cause memory overruns and segfaults.  The bug
was new to the code and has not appeared in an official release.
Found during structural testing.

FossilOrigin-Name: a5c36b9f39ab9629b857ec9c550f3892c0d94fb4
 2011-02-11 06:59:02 +00:00
drh
ac6de304e5 Allow an index paired with a NOT NULL constraint to be used for sorting 
under the condition that the index be treated as a non-unique index.

FossilOrigin-Name: d78949fc93077e1aa7f05cf9f7e947727939cc96
 2011-02-11 03:56:11 +00:00
drh
59b6188bb0 Disable unused NULL tests when SQLITE_ENABLE_STAT2 is not in use. 
FossilOrigin-Name: 5ecd11788269e78dc26639b2503a10b7e25b2483
 2011-02-11 02:43:14 +00:00
shaneh
96887e1619 Add .testctrl option to CLI. 
FossilOrigin-Name: f85afa0ecc7b31d32659ae53e70771cd42abda38
 2011-02-10 21:08:58 +00:00
drh
3625008a54 Split the documentation for sqlite3_wal_checkpoint_v2() and its constants 
onto separate pages.  No changes to code.

FossilOrigin-Name: 0ef8ffd12fce47c3c89e851e5116e2777ea9f435
 2011-02-10 18:56:09 +00:00
drh
84e30ca0ed Prevent a segfault when automatic indices try to use a column with an 
unknown collating function.  Ticket [77aa3b1e6592582e38605d36].  This
check-in also removes some stray \r characters unrelated to the problem.

FossilOrigin-Name: f01030a0df4f94f886ab209ee8766b095da28c1e
 2011-02-10 17:46:14 +00:00
drh
3772206769 Refactor the cost function in the query planner. Give extra cost (thus 
reduce likelihood of selection) to full table scans.

FossilOrigin-Name: 878da276ebf643b716ddd650d4d0ca3595fe5bf2
 2011-02-10 00:08:47 +00:00
shaneh
bb201344cf Make sure code *compiles* with each OMIT and ENABLE option. Mostly changes to test modules. 
FossilOrigin-Name: 7cc515edc9cade2bc6c74699b3e4153bf2b74ebb
 2011-02-09 19:55:20 +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
shaneh
d01f9cb2b4 Update Makefile.in for fts3_aux changes. 
FossilOrigin-Name: 38b7cb33c55c1498618721b3a11a35559b755fb2
 2011-02-09 15:25:17 +00:00
drh
7924f3e8e7 Use macros to define the relative costs of search and seek operations when 
computing costs in the query planner.  Current constants seems wrong and
need to be fixed, but doing so will alter test results.  Need more
experimentation to determine accurate relative costs.

FossilOrigin-Name: 5f2ec44b22062ee9d31e20806fcec0101675aced
 2011-02-09 03:04:27 +00:00
drh
383d79ee0b Simplifications to the sqlite3_wal_checkpoint_v2() logic. 
FossilOrigin-Name: 652b8835c58fc9d474c9837fc966d8857bec4a91
 2011-02-09 03:03:16 +00:00
drh
30aa3b93b6 Cleanup to the OP_Checkpoint opcode. 
FossilOrigin-Name: f611a5a879b7dec1ed1d8bf32413c8a6b81c3172
 2011-02-07 23:56:01 +00:00
dan
28f9b0b5fd Fix some test cases in walfault.test. Extend one test case to restore code coverage. Add wal5.test to the "coverage-wal" permutation. 
FossilOrigin-Name: f83b07ace340c9dd3e0cbe3cd3c106db003b0bd4
 2011-02-07 16:24:39 +00:00
dan
9c5e3680df Change blocking-checkpoint tests so that they run once using "PRAGMA wal_checkpoint" and once using calls to sqlite3_wal_checkpoint_v2(). Also fix edge cases surrounding the output variables set by wal_checkpoint_v2(). 
FossilOrigin-Name: 5a4b6652cf3780ffed6fe0fe669e8090b0b71e81
 2011-02-07 15:12:12 +00:00