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Commit Graph

14444 Commits

Author SHA1 Message Date
dan
7525b87b6c Posible fix for [d96eba87]. 
FossilOrigin-Name: 89a25abfcd069aebdf817890e5c27f46de3000fb858ae01029e4528f9d677567
 2018-12-14 08:40:11 +00:00
drh
203b1ea0f5 Detect when an attempt is made to write to a pointer map page that is also 
being used as a btree page and report corruption.

FossilOrigin-Name: 3036fd71ac7063359b04a0ed54a6c63a380eb7ff75cd29ed27486d4259066aee
 2018-12-14 03:14:18 +00:00
drh
f354e77f3d Fix the dbtotxt decoder in the CLI so that it ignores excess bytes. 
FossilOrigin-Name: 18740bd448887d618fafee0b5a7c004aa2f2632244f7d29e2428772baa36b828
 2018-12-13 22:58:52 +00:00
drh
6301c43f23 dbfuzz2 found a NEVER() that is sometimes true. 
FossilOrigin-Name: 1201615cbbd3070158ea5fab3d2c8c95f41b25d6da096a44cb9257a7b7405efc
 2018-12-13 21:52:18 +00:00
drh
8061ad8abd Add extra tests for database corruption inside the defragmentPage() routine, 
as dbfuzz2 has found ways for corruption to leak into that point.  Add test
cases in fuzzdata7.db.

FossilOrigin-Name: 997b65117f8c12dba5fb85434fde9765cdb0d2a49cc3e31979abba3e21350086
 2018-12-13 21:11:22 +00:00
drh
1641f11f4c Fix a problem in sqlite3BtreeDelete() in which deleting an entry from a 
corrupt database can leave a btree page with zero cells.

FossilOrigin-Name: 682053d1e603c21b8085c39db618a39b23ec8d2c4d822fd19634db0e03038ea2
 2018-12-13 21:05:45 +00:00
drh
f7e74904cc Add the "decode_hexdb" TCL command to testfixture. Add the dbfuzz001.test 
module to demonstration how to use decode_hexdb to deserialize a dbtotxt
database description for use in a corruption test.

FossilOrigin-Name: 1f583c53f3b7318c69f6e235934d97ef9493278feeab0837217076d7d071c35b
 2018-12-13 20:49:43 +00:00
drh
2c8ee026ba Fix the CLI to keep proper track of input line numbers for use in error 
messages, even after processing in-line hex database inputs using
".open --hexdb".

FossilOrigin-Name: 7ffa9858162774cba03a565a7b65135d9e8bfea726af1a29de6898f66c4b1261
 2018-12-13 18:59:30 +00:00
drh
60379d4243 Fix the CLI so that the ".open --hexdb" command works even if it is contained 
in a subscript that is read using ".read".

FossilOrigin-Name: 67a87399b8ad8f1ce3052ee3159906f5c6df3d7b5691b3acac856bd2f1c82088
 2018-12-13 18:30:01 +00:00
drh
51caa04836 Merge the dbtotxt enhancement from trunk. 
FossilOrigin-Name: b386fce9a23e628dce7362dcca2904b8d0af6da58a6fe6eb7f12f058a8363e49
 2018-12-13 15:52:31 +00:00
drh
3374648545 Add the "dbtotxt" utility program and the ability to read "dbtotxt" output 
as a deserialized input database in the CLI, using the --hexdb option to
the ".open" command.

FossilOrigin-Name: e3bf1d3ea5f748c5142c2403813fdace5aedc1fc68f0dcd5eae40a2fe763fedb
 2018-12-13 15:06:26 +00:00
drh
5881dfea2c New database corruption test cases discovered by dbfuzz2. The new cases 
have been added to test/fuzzdata7.db, but have not yet all been fixed,
so tests will not currently pass.

FossilOrigin-Name: b4210d320c6426d2838d4cc08709fdfd015c1c95fcad9a5f9e8fd390c23b9fad
 2018-12-13 03:36:13 +00:00
drh
cb0e04f929 Fix another problem found by Matthew Denton's new fuzzer. 
FossilOrigin-Name: 2b690dbdffe144bd69ca0aa291c230faf3d9d73f7a2985d50f016fe54003f9a9
 2018-12-12 21:34:17 +00:00
drh
89b6de0357 Remove an ALWAYS() from a branch that is not always taken. The test case 
found by OSSFuzz has been added to TH3.

FossilOrigin-Name: 5c7dab85535ac42c021977dbd4a39cef5a72e3d9dccff1c5ca5570a1780516cd
 2018-12-12 20:11:23 +00:00
drh
03c5c21328 OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be 
true.  Test case added to TH3.

FossilOrigin-Name: 23b62fb160d86dc9d9073bcc714601f5b7695f96abd893eafecf4b2e565b87f2
 2018-12-12 11:23:40 +00:00
drh
cfc078318c Small performance improvement in sqlite3_step(). 
FossilOrigin-Name: d1db8d5894450b24bb0335983503d9bbf6cc48a0ae4b83291283fb2d32b6b25b
 2018-12-11 12:51:46 +00:00
drh
368bfe8b00 Small performance improvement in the sqlite3_bind() family of interfaces. 
FossilOrigin-Name: 1dc0c3df32572f09265fc73eeaa0748159e0e9523b9b2d6768b834a29c909968
 2018-12-11 12:20:41 +00:00
drh
1a6c2b1d38 Further refinements to the sqlite3_normalized_sql() interface. TH3 now 
gives 100% MC/DC on that interface.

FossilOrigin-Name: c96bf6cca220e363b099455ce35195ce7e89d374a52dc787f56e7b11e587bced
 2018-12-10 20:01:40 +00:00
drh
9042ff214b Fix issues with the new normalizer. 
FossilOrigin-Name: 057d7d40c56b7416a59a79cb627b2b3e5837eca2d6dbcb50127baaadf1941f51
 2018-12-10 16:49:33 +00:00
drh
643d855da9 Refactor the sqlite3_normalized_sql() implementation. This is a 
work-in-progress. There are still issues.

FossilOrigin-Name: a4c890b0af9786295e6df05022009d8946550adb873535c610be805c2b7a4083
 2018-12-10 16:00:57 +00:00
drh
2134eb5721 Merge fixes from trunk. 
FossilOrigin-Name: ab1e58fac9e3f9d7d90cefb39f8f145d211d38ec0cb393208c4531cc646056c1
 2018-12-10 00:40:43 +00:00
drh
d4a4a36171 Do not use a partial index as a table scan in an IN operator. 
Fix for ticket [1d958d90596593a77420e59].

FossilOrigin-Name: 15bc915dd7ae25bfdfbe357c3792db3639799e4d121c6b5b24297af2d6d7129e
 2018-12-08 20:30:31 +00:00
drh
a50bffb85e Add the --async option to the ".backup" command in the CLI. 
FossilOrigin-Name: 7b6a605b1883dfcbe237b0a58f6f0c233a109e88b521c3b3d97198526c8a0317
 2018-12-08 01:09:14 +00:00
drh
2f6239ed4e Allow the INTO clause of VACUUM to be a text-valued expression. 
FossilOrigin-Name: af172b53b46759f491f522356e14c5e2374d3f25ec70fbc1e100cadded8f9b22
 2018-12-08 00:43:08 +00:00
drh
7464f578ed Do not allow VACUUM INTO into a file that already exists. 
FossilOrigin-Name: 92f70e0fa3c9de7fde046f11cc0a7c2800511bb5ace8e68c845133931607616e
 2018-12-07 23:48:41 +00:00
drh
52993b31e1 Merge the VACUUM simplification from trunk. 
FossilOrigin-Name: 93d92a0a5d21a1856316c0205ecaa253691b6e5349b552d43027005676d14820
 2018-12-07 20:40:12 +00:00
drh
83da91b7bd Remove a line of code from VACUUM that is no longer needed, due to the 
change that allows ATTACH to run within a transaction.

FossilOrigin-Name: a92c398fc5df142ff1459c1be4a6832f2219bc7fabe5789535be3bbd41a4269b
 2018-12-07 20:26:29 +00:00
drh
b0b7db91b8 Prototype implementation for the VACUUM INTO command. 
FossilOrigin-Name: 036e3320a4af36c1311b25b2e504b0079c8b33df8ad7b7e5fddad07150e6f87d
 2018-12-07 17:28:28 +00:00
drh
893bd3751b Fix the sqlite3_normalized_sql() interface so that it renders 
double-quoted string literals as "?".

FossilOrigin-Name: 0d8e150434bbd179696f1ffe71d1e06cb3d43e6468496c7e481fca8486387bad
 2018-12-07 16:32:11 +00:00
drh
a37b6a5e31 Performance improvement: Avoid using sqlite3WalkerSelectExpr() 
and sqlite3WalkerSelectFrom() twice, so that the compiler will in-line their
implementation.

FossilOrigin-Name: 2b9258b8b0342330ebe8c22b59ec276fd042a05547d15b24fdf29e16280868de
 2018-12-06 22:12:18 +00:00
drh
a838997544 Fix the sqlite3ExprDup() routine so that it makes complete duplications of 
subqueries containing window functions.

FossilOrigin-Name: 940174543e87184a0278fcd02e8a096a11510174d9c1d65d21878819790ddaff
 2018-12-06 22:04:19 +00:00
drh
11df7d2839 Simplify the query flattener so that it does not duplicate the WHERE clause 
of subquery that is being incorporated into the outer query - copies it
directly.  This is more efficient.  And it also fixes the specific test case
show for ticket [f09fcd17810f65f71789525] but it does not resolve the more
general problem that sqlite3ExprDup() does not correctly duplicate expressions
that contain subqueries with window functions.

FossilOrigin-Name: f1b18d44ff855573542c1947a42d4025dff54cacc13dac14d044521762ea9736
 2018-12-06 19:15:36 +00:00
drh
d5b44d60c7 When masking bits off of sqlite3.flags, make sure the mask is 64 bits 
in size so as not to accidentally mask of high-order bits.

FossilOrigin-Name: 53d3b169d8e1892163526caff2c843302c92e280fdeff6831e23a9bb15b82be3
 2018-12-06 17:06:02 +00:00
drh
70d5dfba68 When saving off the value of sqlite3.flags, take care to preserve all 64 
bits.

FossilOrigin-Name: 9c6dbcfab5952cf4e54de30cf9cee48f988b91a35dc3f04d64d6d994dd84a076
 2018-12-06 16:50:55 +00:00
drh
ec8fc62c42 Issue a warning whenever a double-quoted string literal is used. 
FossilOrigin-Name: ac9ad5043026b30394812457e1535df2759aea0d4510029561e92e386672796f
 2018-12-06 16:11:14 +00:00
drh
3e2d47d49f Invoking the sqlite3_trace() or sqlite3_trace_v2() interfaces cancels 
any sqlite3_profile() that is running.

FossilOrigin-Name: ec63d3506bd429560077f82a4c5ed9d189780789fe1c134fff4f3b8733be1a3f
 2018-12-06 03:59:25 +00:00
drh
fc08a1aef8 Remove the unused pColHash field from the Table object. 
FossilOrigin-Name: 3a2c047989facc3461c63a2f9eed412014c951035a80da47c52a70139fb552de
 2018-12-06 02:01:17 +00:00
drh
974b24896a Fix a potential NULL pointer dereference that can occur in ALTER TABLE 
following an OOM.  Test case in TH3.

FossilOrigin-Name: ea50815bf80ab0d36891518f209acbcd3d6d8d84529741bffd4e841874c78aff
 2018-12-06 01:53:12 +00:00
drh
1f169fefca Fix a missing mutex in the sqlite3_normalized_sql() interface when it is 
called on a prepared statement that did not previously have a computed
normalization of the input SQL.

FossilOrigin-Name: 1a1a59c6c570879c8f318bbc132103c0285088ba233dd8c32e049b86419347b0
 2018-12-06 01:08:58 +00:00
drh
7b278f0c3d Get rid of the hash table used to track IN operators in the 
sqlite3_normalized_sql() implementation.  Use simple integer variables
instead.

FossilOrigin-Name: 272dc74fd0304d6a28aaa8798d13e2f950c1a24d92d17519e3c32aef86714586
 2018-12-05 23:56:02 +00:00
drh
253a6af532 The sqlite3_normalized_sql() interface should not be transforming quoted 
identifier names into wildcards.  Fix this, and at the same time simplify
the code substantially.

FossilOrigin-Name: e8540377ec66fa5f9ae3c93bedb5c094057698199c37fc211f7ea95429e815e4
 2018-12-05 23:45:46 +00:00
drh
d4a4dd6ebc Fix an imbalanced lock problem in sqlite3Normalize() introduced by the 
simplification in [94ea6379178e3ff6a].

FossilOrigin-Name: f69624373e33c4d370a9264a317ffdb0adbce967a950f243de2b41161a8c7ded
 2018-12-05 21:55:39 +00:00
drh
19efd0db41 Simplifications to the sqlite3_normalized_sql() implementation. 
FossilOrigin-Name: 94ea6379178e3ff6a0d1d5819ca4ac558bdadb1ca8a3637c797079db7dc0cd61
 2018-12-05 17:48:57 +00:00
dan
ea41251eb0 Ensure that ALTER TABLE modifies table and column names embedded in WITH 
clauses that are part of views and triggers.

FossilOrigin-Name: f44bc7a8b3fac82aa5598e9bdaf65ea4dd3c331cf90c1d5ba26ff1698e92c230
 2018-12-05 13:49:04 +00:00
drh
707821ff72 Enhance the sqlite3_normalize_sql() interface so that it works even if the 
prepared statement was not initially compiled using
SQLITE_PREPARE_NORMALIZED.  Enhance the ".trace" command in the CLI so that
it is able to access the full scope of functionality provided by 
sqlite3_trace_v2() and in particular so that it is able to show normalized
SQL output using the newly enhanced sqlite3_normalize_sql() interface.

FossilOrigin-Name: 7da617e97eb905cb009c47403786682b911e32a630f266e1c53ea72836fc88b5
 2018-12-05 13:39:06 +00:00
drh
04c6747a80 Performance improvement in sqlite3_step() by creating a new mTrace flag 
for the legacy xProfile pointer that is set by sqlite3_profile().

FossilOrigin-Name: e28584e8bc7b7405380064b60523fa6191f827f74075f6d117eb7732d752ba5e
 2018-12-04 14:33:02 +00:00
drh
b7de827137 Small performance increase in sqlite3_step() for the common case where 
it returns SQLITE_ROW.

FossilOrigin-Name: 893448265299f4c70c32c8e92ea66f8d33c1c213b21701f73fa3815514cd5ef6
 2018-12-04 13:51:26 +00:00
drh
de72d2a81a Remove two lines of unnecessary code, for a very small performance increase 
and size decrease.

FossilOrigin-Name: 15824ccda0f110794a479b58fbf36082d8c383f34bae9dc0921d96547fb37869
 2018-12-03 01:58:02 +00:00
drh
4a5cff73a7 Fix a parser bug in the use of parentheses around table-valued functions. 
FossilOrigin-Name: 58a51123d1a6381cc67d3c64ba3468ec5a92c299ad6fd86de0b843d0ffafb846
 2018-12-03 01:47:41 +00:00
drh
fdc75c9f53 Omit a line of code that has no affect on the outcome. 
FossilOrigin-Name: 5d933aa659eb7a13f9ab44fe7762be292a1c3c75b957a3b7e0bc6188257b62f4
 2018-12-02 01:15:16 +00:00