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21,092 Commits 1,608 Branches 185 Tags
d901b168b58bb82192bcfc5dcb3b7ae316af1497
Commit Graph

14444 Commits

Author SHA1 Message Date
drh
ad1d9a8707 Avoid an unnecessary btree seek while deleting an index entry due to a conflict 
on a REPLACE operation.

FossilOrigin-Name: f0495c5133d0dc04d63521136d6b9ca440792cdf
 2017-01-07 03:26:50 +00:00
drh
a67b5cb6b3 Avoid duplicate b-tree searches in the duplicate row detector used to 
implement DISTINCT.

FossilOrigin-Name: d577dda0a7fbfacda57e8cad2bc4651d2a05d813
 2017-01-07 00:56:01 +00:00
dan
e1ff3f5e11 Ensure that "PRAGMA case_sensitive_like" and "PRAGMA shrink_memory" set the 
number of output columns to 0 (as they are statements that return no data).

FossilOrigin-Name: 6696cd1878be4bd44a24841b04163e52d847711e
 2017-01-06 13:49:40 +00:00
drh
3d775e7586 Clarify the documentation on sqlite3_column_count(). 
FossilOrigin-Name: 9ea0baddd893e54ec79399ae83033ae139650535
 2017-01-06 01:09:43 +00:00
dan
9e1ab1a8a4 Ensure that sqlite3_column_count() returns 0 for the "set" mode of "get/set" 
PRAGMA statements that do not return a value in that case (e.g. page_size,
cache_size, auto_vacuum).

FossilOrigin-Name: 5c05d8ec5e895661dae2de30c73dfdeaff93511e
 2017-01-05 19:32:48 +00:00
dan
ac56ab7e48 Fix handling the case where a sub-query in a FROM clause is itself a UNION 
ALL, and one side of that UNION ALL is a query on a view that includes an
ORDER BY. Fix for ticket [190c2507].

FossilOrigin-Name: 590ca83b8e8cdd5d24ed7f10f43e540aa0627f22
 2017-01-05 17:23:11 +00:00
drh
5f40cebf43 Fix problems in trigger and foreign key handling when doing REPLACE on a 
WITHOUT ROWID table that has no secondary indexes.

FossilOrigin-Name: 571f166ea8721e2322965b6f23e758b78d13baca
 2017-01-05 13:50:12 +00:00
drh
34d04d64f0 Ensure that the sqlite3_value_text() interface returns a buffer that is long 
enough to hold the complete string plus the zero terminator even when the
input is a zeroblob.  Fix for a problem detected by OSS-Fuzz.

FossilOrigin-Name: 2dc7eeb5b4d2eaf1d843eda56f339fd4cc80d78e
 2017-01-05 07:58:29 +00:00
dan
f9a12a106b Fix some problems with foreign key processing within REPLACE ops on WITHOUT 
ROWID tables with no triggers or auxiliary indexes.

FossilOrigin-Name: c1220b1af62629d7fc2178512786d613cd7ea711
 2017-01-05 06:57:42 +00:00
drh
801f55d837 Improved the comment on the block of code the provides the performance 
optimization originally added by check-in [925840cfdb].  The original
check-in omitted condition 4, which was the cause of bug [30027b613b].

FossilOrigin-Name: c6506b82aa6583ccde5f673c79526d5f3920b67a
 2017-01-04 22:02:56 +00:00
dan
4e1f0efb4d Possible fix for 30027b61. There may still be problems surrounding foreign key 
processing.

FossilOrigin-Name: 71ccb1f4c490fdebc7008e884384e7809b849742
 2017-01-04 20:13:51 +00:00
drh
87e1e56b5b Adjust filename creation in test_sqllog.c so that it uses leading zeros on 
counters, so that files appear in order when sorted lexicographically.

FossilOrigin-Name: 8d670973595bd01ffc9b2ab53b965e6d6d22c573
 2017-01-04 14:53:53 +00:00
drh
b005f9e620 Performance enhancements in the printf implementation. 
FossilOrigin-Name: 82e4001b8caef7b31967f3edcbc1a545c081bdbc
 2017-01-04 13:09:05 +00:00
drh
49c5ab243b Factor constant functions out of the inner loop since they are more expensive 
than the extra OP_Copy needed to move the result into place.

FossilOrigin-Name: 80ad317f89c46db0d0d252aefdc036a34a61183d
 2017-01-04 04:18:00 +00:00
drh
ad879ffdb5 Clean up the implementation of constant function factorization. 
FossilOrigin-Name: 2ab997e47998d261bd6190bbce5c09f3fbd4cfd3
 2017-01-04 04:10:02 +00:00
drh
1e9b53f9bc Attempt to factor out constant functions from the interior of table scans, 
since functions can often be expensive to compute.

FossilOrigin-Name: 62e9270a8057d758621da33adb27fad14225f95d
 2017-01-04 01:07:24 +00:00
drh
8236f688e8 Changes to the printf implementation for better performance. 
FossilOrigin-Name: acdb8f6f10953ed4290aadc9e026edd57d1dd21a
 2017-01-04 00:26:28 +00:00
drh
7433ae5df6 Back out the use of __sync_fetch_and_sub() as it does not appear to work. 
FossilOrigin-Name: 4c2efd4239bf07eb4b92d4af54edd68ee6312670
 2017-01-03 21:50:49 +00:00
drh
5c6b944d16 Fix a typo in a comment. 
FossilOrigin-Name: ae087123db8e7d47b25a8d0a98cfd62e85e42fc6
 2017-01-03 21:03:37 +00:00
drh
b94f2eccc1 Use the CLANG_VERSION macro to control clang-specific features. 
FossilOrigin-Name: f8ebeec211483503e135104ef977b3c384a1d789
 2017-01-03 20:01:24 +00:00
drh
eea46aeafc Use the GCC built-in __sync_fetch_and_sub() to make the sqlite3StatusDown() 
routine atomic, and thereby avoid some mutexing.

FossilOrigin-Name: f69ce75b3d94331fdbfa2f3a27d61db24c285d2b
 2017-01-03 18:05:04 +00:00
drh
4a47761e0d Make use of the __buildin_OP_overflow() functions from GCC when doing 
64-bit signed integer arithmetic.

FossilOrigin-Name: 82cbebb8ee4484f13e5f48d305e20e73063f273e
 2017-01-03 17:33:43 +00:00
drh
5424075137 Put the affinity() function implementation inside of #ifdef SQLITE_DEBUG. 
FossilOrigin-Name: f778f58ae4ea3e16f51b94591a2c1e563dcb0cde
 2017-01-03 14:39:30 +00:00
drh
01e64a1704 Merge all the latest changes from trunk. 
FossilOrigin-Name: c27cd8a8127b81d3176f6a5b9915c9b3c69574fb
 2017-01-03 14:30:28 +00:00
drh
2710b14c45 Defer size checking on row-value assignments for when the RHS is a SELECT 
until after the "*" wildcards have been expanded.

FossilOrigin-Name: 36944be6be5c42096f5da84187ff203af26b08ae
 2017-01-03 13:45:22 +00:00
drh
b67343d075 Fix a typo on a comment. No code changes. 
FossilOrigin-Name: abc27b6023e28a717bfa15648ddc152bda9c7b96
 2017-01-03 11:59:54 +00:00
drh
966e291160 Improvements to the way vector assignment size checking is done. Size checks 
when the RHS is a SELECT are deferred until after "*" wildcards are expanded.

FossilOrigin-Name: 696219b11049930cdbc38f574820f4bbaf8621bb
 2017-01-03 02:58:01 +00:00
drh
b163748e88 Improved assert()s on the sqlite3ExprListDup() logic for TK_SELECT_COLUMN. 
FossilOrigin-Name: 14da99d41f7968bf816203b4ae11c1f0d1ee0b5d
 2017-01-03 00:27:16 +00:00
drh
3f50bb84f5 Put an ALWAYS() on an unreachable branch in the sqlite3ExprListDup() routine. 
FossilOrigin-Name: 2caaaab5e07f6b76d66fbe4e93a4b956937427d8
 2017-01-02 23:18:35 +00:00
drh
47073f62bf Proposed fix for the row-value TRIGGER UPDATE problem described in 
ticket [8c9458e7].

FossilOrigin-Name: 61a442ea2ceec2cbd327dae0ff5214e1f3c69ec0
 2017-01-02 22:36:32 +00:00
drh
56d65cd7b9 Provide the SQLITE_DEFAULT_LOOKASIDE compile-time option and make it's default 
value be 1200,100 (raised from 512,125 in the latest release).

FossilOrigin-Name: 584da48f9e818f25134e0a62fb7e84f07019511f
 2017-01-02 19:02:20 +00:00
drh
83a4f47d57 Change SQLITE_DEFAULT_PCACHE_INITSZ from 100 to 20, which is experimentally 
determined to be slightly faster.

FossilOrigin-Name: 12d9493cb29307aec65ceccc68e802e4d0f18112
 2017-01-02 18:40:03 +00:00
drh
38eef32172 Avoid unnecessary calls to sqlite3BtreeEnterAll() and sqlite3BtreeLeaveAll() 
when no btree is using shared-cache.

FossilOrigin-Name: cfb3158204628eb2fd170090a7f212df0e4ce6c9
 2017-01-02 18:19:29 +00:00
drh
245ce62ea2 Detect row-value comparison size mismatches even when the size of one 
operand is obscured by an unexpanded subquery.

FossilOrigin-Name: 2c4d167ccd4be591487f404de9ee629fd484c8bf
 2017-01-01 12:44:07 +00:00
dan
3043b53222 Fix a crash that could occur following an OOM in the group_concat() function 
if the second argument is an SQLITE_BLOB value.

FossilOrigin-Name: 14d855d2b2b5b3485e0673d11405db7266b34c6d
 2016-12-30 17:40:14 +00:00
drh
1d081ab39e Strengthen the defense against OOM in the instr() SQL function. 
FossilOrigin-Name: a0971e713682a73d8c7c20511db256c20d2f6388
 2016-12-30 15:16:20 +00:00
drh
5f4ade0473 Add a test to ensure that the app-defined pcache xFetch() method is never 
passed a key of zero.

FossilOrigin-Name: 0bdbe49c6d392c4c86a6c01219c9d91d150dea7d
 2016-12-30 14:25:42 +00:00
dan
895decf6b5 Avoid passing NULL pointers to memcmp() or memcpy(), even when the 
"number-of-bytes" argument is passed 0.

FossilOrigin-Name: 56ff72ab44288296efc99a608f7edc4346366a50
 2016-12-30 14:15:56 +00:00
drh
9c4dc22926 Disable the pagerAcquireMapPage() routine if memory-mapped I/O is disabled. 
This fixes a harmless compiler warning on OpenBSD.

FossilOrigin-Name: 3e25ba6e42fba239795a465b8510386a361ee5be
 2016-12-30 12:06:22 +00:00
drh
fb4e3a3bbb Encode a 64-bit integer literal in date.c as a constant expression so that 
it works on older compilers.  Also fix a harmless compiler warning in vdbe.c.

FossilOrigin-Name: f57952bac652901e1bd48b68301941efbcf29dc4
 2016-12-30 00:09:14 +00:00
drh
96ada59cbb Fix harmless compiler warnings in the command-line shell and in Lemon. 
FossilOrigin-Name: afcdc4a60e357d171156e0de705bf7ad1b37daab
 2016-12-29 19:48:46 +00:00
drh
575242f66f Allow sqlite3_interrupt() to be invoked on a database connection that is in 
the process of being closed even if SQLITE_ENABLE_API_ARMOR is defined.

FossilOrigin-Name: 7854bee260996087bdb7f8729ba8cfb4f467f93f
 2016-12-27 13:33:52 +00:00
drh
218c66e0e3 Disable new test modules nockpt.test and interrupt2.test for incompatible 
permutations.  Add a CORRUPT_DB term to an assert() in vdbe.c.

FossilOrigin-Name: a54e619e6f0266932c8873f9ac826fd042a0602f
 2016-12-27 12:35:36 +00:00
drh
1aa346950e Avoid a potential (harmless) signed integer overflow in memory usage 
accounting when calling sqlite3_realloc() to reduce the size of an
allocation.

FossilOrigin-Name: 2d71cbdf6bc24f0269027c70b39ea7f342436bdb
 2016-12-27 12:08:36 +00:00
drh
9cc5b4eeb5 Remove an incorrect ALWAYS() macro from balance_nonroot(), which could result 
in corrupt databases if it were optimized out.  This ALWAYS was added 
only two weeks ago (check-in [f9f2e23bbd68a]) and has never appeared in an
official release.

FossilOrigin-Name: e447b23cfd7bb31817e42adb3a98868d351c6b8a
 2016-12-26 01:41:33 +00:00
drh
a1a523a5bb Add the built-in affinity() SQL function. 
FossilOrigin-Name: 57e40e1cb1bcd3dd8473d2fdeecc9c7ff3d6192b
 2016-12-26 00:18:36 +00:00
drh
6a5a4208fc Combine the implementations of the ".tables" and ".indexes" commands in the 
command-line shell.  The ".indexes" command now puts the indexes in multiple
columns, just like ".tables" and shows all indexes in all attached databases.

FossilOrigin-Name: def29333655691c7d54451193be13445a2857d29
 2016-12-24 21:32:40 +00:00
drh
2951809ed4 The schema name "main" is always an acceptable alias for the primary database 
even if the primary database is renamed using SQLITE_DBCONFIG_MAINDBNAME.

FossilOrigin-Name: 2f481b854f04bec546eb172d1b6dbc88067d3fda
 2016-12-24 19:37:16 +00:00
drh
b20a61b704 Change the output format of the ".databases" command in the command-line shell 
so that it shows the schema name, a colon, and the corresponding filename.

FossilOrigin-Name: 8558512e9ca343300a767ef23810f2d7b50fd925
 2016-12-24 18:18:58 +00:00
drh
a4b81d2a44 In the command-line shell, improve the formatting to the ".databases" 
command and on the ".tables" command, only show the schema prefix for
databases past the first ("main") database.

FossilOrigin-Name: c0d5626e274cbf8c2d2167183c4d6835d72dae57
 2016-12-24 18:04:28 +00:00