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17175 Commits

Author SHA1 Message Date
dan
1439a1e80f Improve handling of corrupt data in fts5. 
FossilOrigin-Name: 609ac1c73f7c2b48a571c178a72383996a9538fe
 2017-01-06 11:55:03 +00:00
drh
3d775e7586 Clarify the documentation on sqlite3_column_count(). 
FossilOrigin-Name: 9ea0baddd893e54ec79399ae83033ae139650535
 2017-01-06 01:09:43 +00:00
mistachkin
817be73bfc Remove several non-portable tests for the deprecated temp_store_directory PRAGMA. 
FossilOrigin-Name: 28d87789141d816e0bce6d3965ce84c79b803218
 2017-01-06 00:02:51 +00:00
dan
2b64313b8d 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: 2f57939a5583ae420b525c7e0f0dcda8626fe992
 2017-01-05 20:00:08 +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
a3a40211bd Use compiler intrinsic functions for signed integer math when overflow 
detection is needed.

FossilOrigin-Name: d3ac32a6e7f1823450feb3d1089802542090d164
 2017-01-03 21:57:11 +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
5c41d00f42 Add the experimental affinity() SQL function when SQLITE_DEBUG is defined. 
FossilOrigin-Name: bed0eaa5f50112e64fc97a2afdc9d56cf8f5026a
 2017-01-03 14:45:35 +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
dan
f299edb0b0 Add test cases for the fix in [f12ed3ce]. No problems discovered. 
FossilOrigin-Name: 548532fdcf84d565c17aed79a6b595e8b62a3ab4
 2017-01-03 08:11:24 +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
49cd39b48c Fix the row-values in UPDATE statements within TRIGGER problem identified 
by ticket [8c9458e7].

FossilOrigin-Name: f12ed3ce0bfb2d94c9baad23fdcbd816c72439a1
 2017-01-03 01:24:10 +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
90a7eae84c Test cases for the row-value UPDATE TRIGGER fix. 
FossilOrigin-Name: b9b964373c89a491649f366ad7d70ae4d69b891d
 2017-01-02 23:43:03 +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
63a49ce0b2 Increase the version number to 3.17.0 for the next release cycle. 
FossilOrigin-Name: 16415b5aad445c9e4e849018b48538d74eec8944
 2017-01-02 19:10:14 +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
197231b160 Add the --all option to the wordcount test program. 
Fix the speedtest1 test program so that it builds on MSVC and so that
the --lookaside 0 0 option works.

FossilOrigin-Name: cb338f367e5408861bd7c0fbf74cebdbd8e3c515
 2017-01-02 12:20:15 +00:00
drh
e772bc7d30 Version 3.16.0 
FossilOrigin-Name: 04ac0b75b1716541b2b97704f4809cb7ef19cccf
 2017-01-02 11:57:58 +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
drh
e2b45d1789 Add the --help and --all options to the wordcount test utility. 
FossilOrigin-Name: 18baeadfc89f6252e38dbc22904b11c5b56347ee
 2016-12-31 21:55:23 +00:00
drh
aa430bfb00 In speedtest1.c, make the "--lookaside 0 0" option completely disable lookaside. 
FossilOrigin-Name: 52b99bcbf18f34196ec29f829c6af539e0d05524
 2016-12-31 18:37:50 +00:00
drh
eb25713e91 Minor #include change to speedtest1.c so that it will compile under MSVC. 
FossilOrigin-Name: 8c28fde004678c85524770969eb001719b109179
 2016-12-31 14:33:05 +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
d0d7e13511 Fix a harmless compiler warning in fuzzcheck.c 
FossilOrigin-Name: 2842bc60538369f888c7df8365858c910322277d
 2016-12-30 12:10:48 +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
cae20d5cf1 In kvtest.c, use stat() instead of fseek()/ftell() to determine the size of 
a BLOB to be read directly from disk.  This makes the pile-of-files database
more competative against SQLite.

FossilOrigin-Name: a7dca29f03e037fe71cc600db97f8058e3bd28a4
 2016-12-29 17:25:06 +00:00
drh
03d0c20bbd Add the kvtest.c test program used to show that it is many times faster to 
read thumbnail and similar BLOBs out of an SQLite database than it is to read
them as separate files from the filesystem.

FossilOrigin-Name: 8074d59cf177cb91ee371e2660f2c59ce540b7e2
 2016-12-29 16:58:01 +00:00
drh
2f917e05d7 Add more detail to the header command to further explain how to compile and 
use the kvtest.c utility.

FossilOrigin-Name: 55d29839c9fafe9e6a694f5790151d1f22396b01
 2016-12-29 16:49:22 +00:00
drh
d7b9b97c3b Fix kvtest.c so that it compiles using MSVC. 
FossilOrigin-Name: e2bbeae7e77cde531885ca492494a02e5322154d
 2016-12-29 16:18:35 +00:00
drh
6739c692ba In kvtest.c: do not show the --cache-size setting on fopen() runs. 
Show progress for the (potentially slow) "export" command.

FossilOrigin-Name: b0f58d2470e08b9c217afd19fcfde3e6d1007d1d
 2016-12-29 15:26:50 +00:00
drh
61c565f63b Improvements to the kvtest.c utility. Added the --cache-size option. 
Additional reporting of version and settings at the end of "./kvtest run".

FossilOrigin-Name: f6fcac6ae8b3bffee6bf994eef2064affd301a95
 2016-12-29 14:44:43 +00:00
drh
cac028ba19 Add the kvtest.c test program for measuring key/value read performance under 
various scenarios.

FossilOrigin-Name: 489e0787c1ea47963174387e8ade6295ceff568e
 2016-12-29 03:57:43 +00:00
drh
402124de5c Do not allow the nockpt.test module to run under the inmemory_journal 
permutation.

FossilOrigin-Name: a6af06f164b1f65779e2171ec4946119c66f9be8
 2016-12-27 15:59:15 +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
5ad74a761d Adjust a corruption test case to accommodate the sqlite3BtreeInsert() 
optimization of check-in [0b86fbca66].

FossilOrigin-Name: 4cb0945f13f2040c8b67936b950da48fc951d55d
 2016-12-27 12:45:41 +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
c595419910 Minor changes to make some newer test cases work under more compile-time 
options.

FossilOrigin-Name: 382eea36c56f866efee1321f643687a4061e8b9e
 2016-12-27 02:43:47 +00:00
drh
dfcfff646a During fuzz testing with the fuzzcheck utility program, impose a record 
length limit of 100MB and a limit on the length of LIKE strings of 50 bytes.

FossilOrigin-Name: edc9db41f3ee200ba44579a46ed8331bbbbf539e
 2016-12-26 12:25:19 +00:00
drh
e6ce2b6704 Enable ossfuzz.c to build even if SQLITE_OMIT_PROGRESS_CALLBACK is defined. 
FossilOrigin-Name: a37c00dcd192f9d610ecb91810ef57ef41d1f6a6
 2016-12-26 12:14:44 +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
beaf514e23 Enhance the fuzztest utility with the --prng-seed option. Always reseed the 
PRNG prior to each test.

FossilOrigin-Name: 8c5187f69d719b69aa6eaf2dc8f89243e5979222
 2016-12-26 00:15:56 +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
drh
6bd4dc6dc4 Fill in missing opcode documentation entries for OP_SorterNext and 
OP_SorterSort.

FossilOrigin-Name: 2940661b8c014b94973e05c44f1b1f4f443dbdd3
 2016-12-23 16:05:22 +00:00
drh
cfdc235ec3 Use the VList object to capture the mapping between SQL parameter names and 
variable numbers in a single memory allocation.

FossilOrigin-Name: 99fddf2ecb7202bfdf5ddc4cc1c4e155c883f7ec
 2016-12-23 13:54:22 +00:00
drh
ce1bbe51b5 Add check to prevent a VList from growing after pointers to labels have been 
taken.

FossilOrigin-Name: aa23d7eaf69f5ecbf9500b2353846094cae41e6c
 2016-12-23 13:52:45 +00:00
drh
f326d66d61 Fix the VList object so that it actually works. 
FossilOrigin-Name: 9dcd85698af46fd5ba34004ca690d368c4ae3078
 2016-12-23 13:30:53 +00:00
drh
9bf755cc44 Use the VList object to replace Parse.azVar for tracking the mapping between 
SQL parameter names and parameter numbers.  There is a performance
improvement, though there are still a few hiccups in the current code.

FossilOrigin-Name: 68ecafa1425a41358c88f41efea3262f1b4490f2
 2016-12-23 03:59:31 +00:00
drh
344a1bf133 Fix harmless compiler warnings. 
FossilOrigin-Name: fa86db2f915c0a189c3be02b1aaa7f24d339d7d6
 2016-12-22 14:53:25 +00:00
drh
cdfffed790 Change the default lookaside configuration from 500 slots of 128 bytes each to 125 slots of 512 bytes each. This uses the same amount of memory (64,000 bytes) but seems to perform much better in test applications. 
FossilOrigin-Name: 52a12e47de88744187bd1c71f2820885cde414a8
 2016-12-21 21:26:58 +00:00
drh
a582b01698 Simplifications to the way UnpackedRecord objects are allocated. Smaller 
and faster code that also fixes a subtle (currently unreachable) bug.

FossilOrigin-Name: f7ab01f254cd9d7006b8dec29adb234a671b8e6f
 2016-12-21 19:45:54 +00:00
drh
f99dd359d0 Change the OP_IfNotZero opcode so that it decrements register P1 by 1 rather 
than the value in P3, and so that it only decrements if originally positive.
This avoids decrementing the smallest 64-bit signed integer.

FossilOrigin-Name: 165c044686212fbf7182dd560ad1e57eb4cc9838
 2016-12-18 17:42:00 +00:00
drh
22d709dd91 Refinements to the new dbfuzz test program. 
FossilOrigin-Name: 50325abe79b6a79b09ec6a1cee7d80ca02337428
 2016-12-17 21:07:30 +00:00
drh
6918e2f9b2 Enhance fuzzershell.c to read and execute SQL commands in the autoexec table 
of the database under test.  Add the dbfuzz.c test program combining selected
features of fuzzershell.c and fuzzcheck.c.

FossilOrigin-Name: ef6e071a62cd79a0edbbef9f41ca9482540e5cb8
 2016-12-17 20:27:22 +00:00
dan
11da002c02 Fix a problem in the shell tools readfile() command causing blobs to be 
truncated at the first embedded 0x00 byte in release builds, or an assert() to
fail in a debug build.

FossilOrigin-Name: 8dedd6ad44bd1d103dced9d1350188cb2327128d
 2016-12-17 08:18:05 +00:00
drh
d47c6c495d Add the ".lint fkey-indexes" command to the command-line shell. 
FossilOrigin-Name: 94689e3bdac2eabbcf1a51d741c2604ed4bd8a40
 2016-12-16 18:43:49 +00:00
drh
3fd9f33bd1 Fix minor issues with the ".lint" command implemention in the shell and 
the shell help text related to ".lint".

FossilOrigin-Name: 1268dc77712d85de0b62332c88b22f7489f4e87f
 2016-12-16 18:41:11 +00:00
drh
186c930702 Built-in PRAGMA statements without side-effects can be invoked as 
table-valued functions by prefixing their name with "pragma_".

FossilOrigin-Name: d66ec5cfb67c6c8134fb642e0c2f72113fe1b7fd
 2016-12-16 18:14:19 +00:00
dan
3c7ebeb548 Change ".fkey_missing_indexes" to ".lint fkey-indexes". 
FossilOrigin-Name: ee621ade38c11806e1df57c459da5f018a6d0670
 2016-12-16 17:28:56 +00:00
dan
dd9e0be46a Update .fkey_missing_indexes to use the built-in pragma vtabs. 
FossilOrigin-Name: 3ab05987b0cc12af64bf32d885d04aff45d7a77c
 2016-12-16 16:44:27 +00:00
dan
c17f6255a4 Merge the pragma-as-vtab change into this branch. 
FossilOrigin-Name: 4ba45e722371ca4343e3563e7e1c2896b48c9a87
 2016-12-16 16:13:45 +00:00
dan
69b9383edf Fix a problem causing the planner to generate sub-optimal plans for some queries 
that use recursive WITH sub-queries with LIMIT clauses.

FossilOrigin-Name: 053a149cc8244a7f85137129cfcb8622efe90306
 2016-12-16 15:05:40 +00:00
drh
d8b7200b84 Fix an error in the way the "schema" argument to some pragma virtual tables 
is handled.

FossilOrigin-Name: 546821e29edb0282a4b1d8f49512e36027a6bf6d
 2016-12-16 04:20:27 +00:00
drh
30776acd74 Simplifications to facilitate full test coverage. 
FossilOrigin-Name: 01afc515970a868c6a36d9a598453d0fde9e39ca
 2016-12-16 02:31:50 +00:00
drh
9a63f09204 Minor bug fixes and enhancements to the pragma eponymous virtual tables. 
FossilOrigin-Name: 3f8f461504139a4efea0e033e3a274cc4b2d3072
 2016-12-16 02:14:15 +00:00
drh
c06bbceb9c Merge enhancements from trunk, and especially the ability to use 
temp.sqlite_master as an alias for sqlite_temp_master.

FossilOrigin-Name: 994a4401f5c34fed17af420761291b03072a5ea1
 2016-12-16 01:09:22 +00:00
drh
e0a04a36a6 All temp.sqlite_master to be used as an alias for sqlite_temp_master. 
FossilOrigin-Name: 8d646905b830d5bb29092e103ac5cb499b3c7e5a
 2016-12-16 01:00:21 +00:00
drh
ae7045cd53 Fix the cost estimation in the BestIndex method of the eponymous pragma 
virtual table implementation.

FossilOrigin-Name: 7126807a186746a8663fbaa267d63214d06476e4
 2016-12-15 21:33:55 +00:00
drh
d7175ebeaf The pragma as eponymous virtual table mechanism now appears to work. 
FossilOrigin-Name: 2c274a1a7b57ef1208901fbc1d96d39c0d492652
 2016-12-15 21:11:15 +00:00
drh
2fcc1590c4 Code to automatically create eponymous virtual tables for read-only pragmas. 
Compiles, but does not yet work.

FossilOrigin-Name: 988a61e8b03f302c69d11898d1ea95f002cba1a5
 2016-12-15 20:59:03 +00:00
drh
35a1895990 Do exponential rather than linear expansion of the SrcList.a array when 
appending new elements, to reduce the number of malloc() calls.

FossilOrigin-Name: 4e3749127e7249f46e17bfabc614b0876f60565a
 2016-12-15 18:59:14 +00:00
drh
c232aca184 Do more pragma processing from tables rather than in-line code. 
FossilOrigin-Name: a88ca3524b97f296dffc68335466b3767a681747
 2016-12-15 16:01:17 +00:00
dan
f9647b6625 Add the -groupbyparent option to the ".fkey_missing_indexes" command. 
FossilOrigin-Name: 976c51b4836dfba2ce9b246334a85bda08ac526f
 2016-12-15 06:01:40 +00:00
dan
35ac58eabc Add the experimental ".fkey_missing_indexes" command to the shell tool. To 
identify indexes that should be created on child keys if FK processing is to
be enabled.

FossilOrigin-Name: 7df23aca1f7c7b769d614d740b3fda3073f46ba9
 2016-12-14 19:28:27 +00:00
drh
79df77821a Refactor the Table.nRef field as Table.nTabRef for easier grepping. 
FossilOrigin-Name: 9cae4c2e300e20304ced0dc8c1415c4922185928
 2016-12-14 14:07:35 +00:00
drh
d07df8e76a Increase the size of the reference count on Table objects to 32 bits. 
FossilOrigin-Name: d08b72c38ff6fae6ddf7dc84a54f6d7189876289
 2016-12-14 13:54:25 +00:00
drh
5ed7de09b0 Fix the configure makefile to align it with the manual makefile. Unsaved 
changes from the previous check-in.

FossilOrigin-Name: 00a184b65f73f361e1728fea06529f746fab66b5
 2016-12-14 11:39:52 +00:00
drh
c06e54345c Adjust the unix makefiles so that "make test" runs fuzzcheck prior to even 
attempting to build the other test programs.

FossilOrigin-Name: bb48f7a55945da4cee369bae0809037900fcaac7
 2016-12-14 11:23:51 +00:00
drh
ac178b3d7f Three times faster sqlite3SrcListAppend() in the common case by avoiding the 
call to sqlite3SrcListEnlarge() for the first allocation.

FossilOrigin-Name: 0ea2762f1d8f6a93ae2ee3b7b835927a474c6f66
 2016-12-14 11:14:13 +00:00
drh
8a123d60a8 Fix the optimization that prevents writing freelist pages to the journal. 
FossilOrigin-Name: 6aa9b26544cbd0b41115c5f127dcf9a286d17e2b
 2016-12-14 10:30:12 +00:00
drh
79f20e96dc In the command-line shell, in the output of the ".dump", ".schema", and 
".fullschema" commands, convert CREATE TABLE statements that appear to come
from shadow tables into CREATE TABLE IF NOT EXISTS statements.

FossilOrigin-Name: c7021960f5c070fb5c9db9e41b4000d3dc065f42
 2016-12-13 23:22:39 +00:00
drh
380c08eaad Fix harmless compiler warnings. 
FossilOrigin-Name: ed2c9f3738c96d8e3dbece7ccb721cb1a8ae8fac
 2016-12-13 20:30:29 +00:00
drh
fc4111f7d6 Convert sqlite3PagerGet() into a pointer-dispatched virtual method. This 
makes it about 25% faster.

FossilOrigin-Name: 7f88bb44129a0cd36e27e00dc7c37e87cf3c90f7
 2016-12-13 18:47:54 +00:00
drh
cbed604f52 In the pager, avoid checking for the illegal page number 0 except when creating 
a new page.

FossilOrigin-Name: dee20ba982125ea98c280ad1571789af0f393903
 2016-12-13 18:34:01 +00:00
dan
68a494c06f Fix a problem causing SQLite to return false "foreign key violation" errors 
when there is a partial (i.e. WHERE constrained) UNIQUE index on the parent
key columns. This bug did not cause SQLite to allow illegal data to be
inserted into the database, only to reject legal operations.

FossilOrigin-Name: 850877d1ea43104cc215353414b870c340acced2
 2016-12-13 16:57:49 +00:00
drh
d5df3ff2cc Further refinements to the virtual method implementation of 
sqlite3PagerGet().

FossilOrigin-Name: 67df44464847b43f8c0b186157e31cc66c1e5796
 2016-12-13 15:53:22 +00:00
drh
12e6f68279 Make the sqlite3PagerGet() interface into a virtual method, with different 
implementations based on the current state of the pager.  This gives a small
performance increase by avoiding unnecessary branches inside the various
methods.

FossilOrigin-Name: df5bb90d208e0633056389e97696d260e3830e8d
 2016-12-13 14:32:47 +00:00
drh
26f419800a Add the --mmap option to the speedtest1 program and to the speed-check.sh 
script that is frequently used to run speedtest1.

FossilOrigin-Name: 1a636d5e0eec0a4d968519d1dfd35a983e512c78
 2016-12-12 23:24:08 +00:00
drh
2a70254f74 Remove unnecessary MemPage initialization resets in the autovacuum ptrmap 
processing.

FossilOrigin-Name: 1b36fbb9f05f3a5844e198b489bff36ef6cd908c
 2016-12-12 18:12:03 +00:00
drh
5fa3d6ec3b Faster operation for large in-memory databases. 
FossilOrigin-Name: 9675518b33e8d40769daefb860dc748113f750b6
 2016-12-12 16:08:44 +00:00
drh
6606586d81 Performance optimization in sqlite3PagerWrite(). 
FossilOrigin-Name: d4dff10a3d4edf8e1cc77c0a4f185d33f2c2e953
 2016-12-12 11:05:15 +00:00
drh
585a59795c Updates to the tokenizer for EBCDIC. No changes for standard builds. 
FossilOrigin-Name: 4fc6580ffa7232aaf751f38f90c45edc8863abe5
 2016-12-12 01:53:36 +00:00
drh
77dc0ed621 Size and performance optimization in btreeInitPage() in the freeblock 
validation step.

FossilOrigin-Name: 57deb1b412e0c328528f2b4d697e326bfd028dca
 2016-12-12 01:30:01 +00:00
drh
f0bc50aa3a Change the order of comparison for divider cell overflow in balance non-root 
to avoid a (harmless) reference to an uninitialized variable.

FossilOrigin-Name: f9f2e23bbd68a8994621623446868d666df52eff
 2016-12-12 00:58:40 +00:00
drh
8c730bc5c5 Avoid an unnecessary memset() in the sqlite3BtreeInsert() routine. 
FossilOrigin-Name: 35ecd4ebc55579175f7c934e4eb1edb969008428
 2016-12-10 13:12:55 +00:00
drh
fbd8cbdcf5 Reorder the fields in the VdbeCursor object so that those that need to be 
bulk zeroed on allocation are grouped at the beginning, and the memset()
only runs over those fields that really need it.

FossilOrigin-Name: 8165f88bb1d40693d67005a8d5dc499085f64b91
 2016-12-10 12:58:15 +00:00
drh
719da30d53 Avoid signed integer overflow when dealing with a LIMIT and OFFSET whose 
sum exceeds the maximum integer value.

FossilOrigin-Name: c9bdf7adb4745cfaf23d9afd496e71fa37793108
 2016-12-10 04:06:49 +00:00
drh
2d08343a91 When doing the sqlite3BtreeInsert() overwrite optimization, make sure the 
memcpy() does not extend off the end of the page.

FossilOrigin-Name: 684ef4582ed19b2af22dda6fc085c70464f92f1b
 2016-12-09 19:42:18 +00:00
drh
f923825424 Additional comments and an assert on the sqlite3BtreeInsert() overwrite 
optimization.

FossilOrigin-Name: c1f0ae9d2981a19875103750379ad26f2575f878
 2016-12-09 18:09:42 +00:00
drh
80159da6c6 In sqlite3BtreeInsert() when replacing a re-existing row, try to overwrite 
the cell directly rather than deallocate and reallocate the cell.

FossilOrigin-Name: 0b86fbca6615ccf1f3a62614db577a8acbec6d9e
 2016-12-09 17:32:51 +00:00
dan
55092c1504 Fix an fts5 bug that could cause a crash following an OOM error or 
sqlite3_interrupt() interrupt.

FossilOrigin-Name: 0ea3ece988883874bb88e3daaa220d7fc0cf36ef
 2016-12-09 16:12:04 +00:00
drh
a2ee589c46 Avoid unnecessary zeroing of fields in the MemPage object that are going 
to be reinitialized before use anyhow.  A smaller and faster binary results.

FossilOrigin-Name: 01ada3d1068476f90dcae02cb089001ea4bcc23d
 2016-12-09 16:02:00 +00:00
drh
e0568d6fb8 Fix an obscure problem in range estimation with STAT4. 
FossilOrigin-Name: 1f16c9a76bc48331799f33b30d143c632fe0e7db
 2016-12-09 00:15:17 +00:00
drh
4c177424a2 Fix the showstat4 utility program so that is displays strings using 
standard SQL notation (single quotes) rather than C-style notation.

FossilOrigin-Name: 92998e4afbe4da1723e7e5155071a0e7242bd6ff
 2016-12-08 23:52:38 +00:00
drh
5f00b9bea7 Fix a minor error in the cg_anno.tcl script causing the cycles-per-file counts 
to be miscomputed.

FossilOrigin-Name: b26df26e184ec6da4b5537526c10f42a293d09b5
 2016-12-08 19:04:36 +00:00
drh
23ee9dc369 Update the tool/cg_anno.tcl script to give a summary of cycle counts by 
canonical source file name.

FossilOrigin-Name: 254a83bf30c15d6a355db309ccb97a8744675cc3
 2016-12-08 18:36:19 +00:00
drh
2700acaacd More changes to take advantage of the sqlite3VdbeAppendP4() method. 
FossilOrigin-Name: 83bc5e40af9b20afeed008bf3e2669b7ac9e2dc8
 2016-12-08 01:38:24 +00:00
drh
f14b7fb73b Add the sqlite3VdbeAppendP4() method for adding P4 content to the most recently 
coded instruction.

FossilOrigin-Name: 28883e8f3e92a8015fb5f6c8ae8580833931543d
 2016-12-07 21:35:55 +00:00
drh
861b1307cb The use P4_DYNAMIC in place of the P4_MPRINTF operand type. 
FossilOrigin-Name: 3954f83798ed78527280c9db6360c62a5134b9ec
 2016-12-07 20:22:31 +00:00
drh
bdaa1ee2ee Performance optimization for sqlite3VdbeAddOp4(). 
FossilOrigin-Name: 04716c907bf9fc9b827e18fdc7b4e1069e201536
 2016-12-07 20:09:51 +00:00
drh
4ed8c83cfd Put the SQLITE_UNTESTABLE compile-time option in the correct order for 
PRAGMA compile_options.

FossilOrigin-Name: 24574a15a336ffcb961334f84b56e9ab98490a79
 2016-12-07 17:06:12 +00:00
drh
d12602a9c5 Rename the SQLITE_OMIT_BUILTIN_TEST compile-time option to SQLITE_UNTESTABLE. 
FossilOrigin-Name: f360818737e73ee4f944685a547abc8f14f47819
 2016-12-07 15:49:02 +00:00
dan
44c5604ced Prevent the flattening or where-term push-down optimizations from obscuring 
misuses of SQL row values that can lead to crashes or assert() failures.

FossilOrigin-Name: 433d16ff3adfede3be53d5b0e0512f37e225591b
 2016-12-07 15:38:37 +00:00
drh
9314bd5fe2 Always honor the sqlite3.dbOptFlags bitmask, regardless of compile-time 
options.  Continuing fix for ticket [da78413751863].

FossilOrigin-Name: afab166313e0b8ad530df99887437a362398ed02
 2016-12-07 13:49:11 +00:00
drh
abfd35ea03 Performance improvement and size reduction in the Expr node allocator 
function sqlite3PExpr().

FossilOrigin-Name: 2a81763e68cdf9b8c46389b1e1a87bc2084b53e7
 2016-12-06 22:47:23 +00:00
dan
2b519ab015 Add missing nul-terminator to a Tcl_AppendResult() call in tclsqlite.c. 
FossilOrigin-Name: 0820f8b3dedfc846d187844847dfa8617539fc9a
 2016-12-06 19:33:42 +00:00
drh
634133183c In the LEMON parser-generator, fix the stack overflow processing so that it 
correct invokes the destructor on the top-level of the parse stack.

FossilOrigin-Name: e8247065cf1d929f42d13864f8a1886ed4d329cd
 2016-12-06 17:59:05 +00:00
drh
e6ad1717da Fix a harmless redundant local variable declaration in the date/time function 
logic.

FossilOrigin-Name: b4bc40d1836d8ed0803b81a734ce48be8e9d434a
 2016-12-05 20:16:04 +00:00