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ab5be2e651
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16912 Commits

Author SHA1 Message Date
drh
ab5be2e651 Change the OP_DecrJumpZero opcode back to its old behavior of always 
decrementing, except top the decrementing when it reaches the largest negative
number.

FossilOrigin-Name: 9d0d8c2e7c529562889de02346733dcb532e9388
 2016-11-30 05:08:59 +00:00
drh
b5489b88b0 More improvements to boundary cases in the date/time functions, flowing out 
of branch coverage testing.

FossilOrigin-Name: 1218005ab7b52ef45db1354d17fdd8a1a1af9854
 2016-11-30 04:07:57 +00:00
drh
64777ba834 Prevent a warning about integer overflow when using a very large negative 
LIMIT.

FossilOrigin-Name: 96106d5620eae51474234f4eec1d2c5bd570d486
 2016-11-30 01:05:41 +00:00
drh
d76a902c87 Further changes to the date/time functions to suppress harmless signed 
integer overflow warnings that could have occurred when doing out-of-range
date calculations which, according to the docs, give undefined results.

FossilOrigin-Name: dc453b3403450b1d8cc53daf0721fed025b9053c
 2016-11-30 00:48:28 +00:00
drh
3edb157e23 The documentation says that the built-in date-time functions give undefined 
results for dates before 0000-01-01 and after 9999-12-31.  Change the
actually implementation so that the answer given is really NULL.  This also
avoids unnecessary hand-wringing over an signed integer overflow that might
otherwise occur when processing out-of-bound dates.

FossilOrigin-Name: d410a839752153c6d8be08f758abfbc16475745a
 2016-11-29 20:39:48 +00:00
drh
bc60368d6f Fix broken hyperlinks to the sqlite3_snapshot objection definition 
in the documentation.  No changes to code.

FossilOrigin-Name: 9021f6875f897d8b609ebcc04162dc6e0b529a4a
 2016-11-28 21:22:26 +00:00
dan
158e4e56d7 Simplify some code in fts5_expr.c. Add some extra test cases for the same. 
FossilOrigin-Name: 7cc2d60dce90b8d4dca35708e33002ae6387806e
 2016-11-28 14:52:23 +00:00
drh
dd5fa17d3c Add the sqlite3_snapshot_recover() interface and related functionality. 
FossilOrigin-Name: b70c85ce6d07b08e13f4ea99edb8f4855a6d7580
 2016-11-26 19:44:40 +00:00
drh
6412a4c8a5 Clarification of the behavior of sqlite3_stmt_readonly() on BEGIN IMMEDIATE 
statements.  The is comment changes only - no changes to code.

FossilOrigin-Name: a4205a83e4ed977a89ecae665604993711f7dd3f
 2016-11-25 20:20:40 +00:00
drh
9057fc7c7f Remove the OP_RowKey opcode. Use OP_RowData in its place. 
FossilOrigin-Name: 6ac7b07a4aff2e1a9031289e3dafdb9ac0071c24
 2016-11-25 19:32:32 +00:00
drh
cb3cabd01b Refactor the sqlite3BtreeKey() and sqlite3BtreeData() internal interfaces 
into sqlite3BtreePayload() and sqlite3BtreePayloadChecked(), respectively.
This is a continuation of the optimization started by check-in
[2d831074cf].  The result is a slightly smaller and faster binary.

FossilOrigin-Name: 49ebc219faea30eaa61def4a3fba2817b9c58a86
 2016-11-25 19:18:28 +00:00
drh
06a09a828a Small performance increase and size reduction in the OP_Column opcode. 
FossilOrigin-Name: a9498407e646305e7b60115d63e85c642bbd1c3f
 2016-11-25 17:03:03 +00:00
drh
e9bb566096 Performance enhancement to sqlite3_snprintf(). 
FossilOrigin-Name: c53dca7fadd81ea340fef776373cbb122c9ccd46
 2016-11-25 15:47:53 +00:00
drh
043e586e29 Performance improvement in sqlite3StrAccumFinish() for the common case where 
no memory allocation is required.

FossilOrigin-Name: b6acf5d4ef016326a079463e70e71c2fc95a352d
 2016-11-25 15:11:26 +00:00
drh
36fd41e52b Add a comment to help clarify the EP_FromJoin hack in exprCodeBetween(). 
FossilOrigin-Name: 6df7c5747e0247b14bf015ef4320ddcf6fccf694
 2016-11-25 14:30:42 +00:00
drh
36f49d0565 Fix the error message for invalid ".mode" arguments in the command-line shell, 
so that it mentions the new "quote" mode.

FossilOrigin-Name: 9a603a18ef626b7d7a24b82eb961d6d8b4926195
 2016-11-23 23:18:45 +00:00
dan
4b72524072 Code constant vector components outside of any loops in CASE and BETWEEN 
expressions. Fix for [1a684656].

FossilOrigin-Name: c08aff13ead3e6a8b92c0f031b08f7e556922e70
 2016-11-23 19:31:18 +00:00
drh
30642cf4d2 Correctly display the names of SQL functions in the VDBE_PROFILE output. 
FossilOrigin-Name: 161192f17273f32f1b3b82d41135aaca047e9a83
 2016-11-23 14:19:11 +00:00
drh
4b4ffadb43 Merge bug fixes and enhancements from trunk. 
FossilOrigin-Name: e2c4bdf54fc1b9605226c7d6c79ef4f8302d6213
 2016-11-22 22:23:56 +00:00
drh
bc88711d08 Enclose the sqlite3WalSnapshotRecover() routine within 
FossilOrigin-Name: e7be3183eb25e0f9f04b9e251ff37fa5e50cc1a7
 2016-11-22 21:11:59 +00:00
drh
e74cc5c9bc Add a new requirement mark for CAST expressions. 
FossilOrigin-Name: bee2859b953c935c413de2917588159d03c672d9
 2016-11-22 20:29:05 +00:00
drh
50da663516 Update requirement marks to reflect changes in wording in the documentation. 
No changes to code.

FossilOrigin-Name: f5ac98efb5d5f7751c5c560bed9c7885e60ac4bc
 2016-11-22 19:15:05 +00:00
drh
65f38d960d Remove unnecessary OP_Close opcodes for a size reduction and performance 
increase.

FossilOrigin-Name: 32be7aae92ee48bf2cd260ea41e79c2bc62738f9
 2016-11-22 01:26:42 +00:00
drh
60ffc80756 Remove unnecessary OP_Close opcodes at the end of INSERT operations, resulting 
in smaller and faster code.

FossilOrigin-Name: abeddb6d5a4040e1d0a87a4f32ad79794ba0842b
 2016-11-21 21:33:46 +00:00
drh
89500dcd0b Enhance speedtest1.c so that is works on older versions of SQLite, before 
the introduction of the group_concat() aggregate function.

FossilOrigin-Name: 9979ba80a649ee61d9d174dc9d9fcab7e9fc1332
 2016-11-21 18:15:35 +00:00
drh
c10b9dac84 Fix harmless compiler warnings. 
FossilOrigin-Name: b3b7b42d9a4a0e7e2be8b2933328a7bec2f49a81
 2016-11-20 17:59:59 +00:00
drh
0f85b2ff09 Prevent a possible use-after-free bug in the query optimizer. 
FossilOrigin-Name: 0a98c8d76ac86412d5eb68de994658c250989349
 2016-11-20 12:00:27 +00:00
dan
93f5113290 Remove the requirement to open the wal file before sqlite3_snapshot_recover() 
is called. Also add some comments to new functions.

FossilOrigin-Name: 28393c413cc4505b94411730e728583c5d4baaae
 2016-11-19 18:31:37 +00:00
dan
4d4757fcc8 Test some extra error conditions in sqlite3_recover_snapshot(). 
FossilOrigin-Name: db314213c08f27dd0ff5ede3c6a8eda36560809a
 2016-11-19 17:30:57 +00:00
dan
20ba3d7fcb Add another fault-injection test for sqlite3_snapshot_recover(). 
FossilOrigin-Name: 7e040406138669bd67dd6ecae016b3e50dbfaaf8
 2016-11-19 17:20:28 +00:00
dan
6a9e7f16eb Fix a problem causing sqlite3_snapshot_recover() to return 
SQLITE_IOERR_SHORT_READ.

FossilOrigin-Name: 525f75fa9fd4a95acc3fb3b0a01dabe2be39b383
 2016-11-19 16:35:53 +00:00
dan
5b4009f637 Fix a bug in sqlite3_snapshot_recover() that could cause subsequent read 
transactions to use out-of-data cache entries.

FossilOrigin-Name: 9abeb7980a34cec11a3420e14ad98a4ec0d9c599
 2016-11-19 14:53:22 +00:00
dan
1158498dce Add experimental sqlite3_snapshot_recover() API. 
FossilOrigin-Name: 174a6076a8d7bebe5efebf55f3fdc5d87c589cc7
 2016-11-18 20:49:43 +00:00
dan
edace5d4f1 Require that the database handle be in autocommit mode for 
sqlite3_snapshot_get() to succeed. This is because it may open a read
transaction on the database file.

FossilOrigin-Name: 83b658dad091211ade3594d1e8d00ce525882506
 2016-11-18 18:43:39 +00:00
dan
93006cdd85 Add tests for snapshot interfaces. 
FossilOrigin-Name: 1f7ee7af7b620262ae663d65889b6a87415d4a34
 2016-11-18 18:22:05 +00:00
dan
25accbca72 Enhance existing snapshot tests to serialize/deserialize snapshots. No new 
tests.

FossilOrigin-Name: 16b9bf92741e4c62874cffd7c6a61763c5054c7a
 2016-11-18 14:38:41 +00:00
dan
9c8753c0a8 Fix a problem in rtreeD.test causing it to fail in OMIT_BUILTIN_TEST builds. 
FossilOrigin-Name: d6b3779e6dad038d8bc35139cf314bf1e6e91977
 2016-11-17 20:05:00 +00:00
drh
223b4bb3f7 Change the --enable-debug option on configure so that it enables the 
".selecttrace" and ".wheretrace" commands in the command-line shell.

FossilOrigin-Name: 2331192b4ca6a169b6ac0daafb21ceb7c390de65
 2016-11-17 13:54:21 +00:00
drh
54cda4edbe Disable the query flattener optimization for SELECT statements that are on 
the RHS of vector IN operators.  This is a hack that fixes the bug
described in ticket [da7841375186386c]. A better solution that does not
disable the query flattener is needed, but this will server for the time
being.

FossilOrigin-Name: 005d5b870625d175fdf3c0e87d974006c569d9e1
 2016-11-17 13:13:25 +00:00
drh
d2d69cc1fa Add a needed #include to speedtest1.c. 
FossilOrigin-Name: 77aeb705c37b1bf61a05b5e4a09f5b5cd67d07bc
 2016-11-15 21:17:13 +00:00
drh
ba6eb8769f Experimental changes toward making snapshots serializable. 
FossilOrigin-Name: b6a81fa1fc1fb78a65894129851a4ec3986640de
 2016-11-15 17:37:56 +00:00
drh
d6ef5afe3f Change the OP_Last opcode so that it is a no-op if the cursor is already 
pointing at the end of the b-tree.

FossilOrigin-Name: 663473850c4274270445b3771911fa773a8c405f
 2016-11-15 04:00:24 +00:00
drh
c9b9deaee2 Make the VACUUM command about 9% faster by avoiding unnecessary calls 
to sqlite3BtreeMovetoUnpacked() while copying rowid tables.

FossilOrigin-Name: 5ed0bd387699a0f3b477d4f3cfcb460a6a44cb84
 2016-11-15 02:46:39 +00:00
drh
5413ba4b17 Add 8794 new test cases received from the OSS-FUZZ project. 
FossilOrigin-Name: 03f75a67c320f21192d721a8c34d49dea48ffdbb
 2016-11-14 20:47:18 +00:00
drh
588429a87d Fix a potential use-after-free error during parsing of malformed 
CREATE TABLE statement.

FossilOrigin-Name: c5dbc599b910c02a961675b12b273b8df6d29450
 2016-11-14 20:08:00 +00:00
drh
362b66f051 Enhance fuzzcheck.c to accept database-specific configuration parameters in 
the option CONFIG table.  Add the fuzzdata5.db fuzz database containing
test cases from OSS-FUZZ.

FossilOrigin-Name: a71fad4538311ede111815d221d9eb8d9018092b
 2016-11-14 18:27:41 +00:00
drh
55377b4717 Fix the ossfuzz.c test module so that it does not segfault after a 
"PRAGMA empty_result_callbacks=1;".  Add the ossshell.c program for
simple command-line testing of ossfuzz.c.

FossilOrigin-Name: 6f2d43eca68175ed28abae3afa792095af906af2
 2016-11-14 17:25:57 +00:00
drh
2adb878b1f Avoid unnecessary calls to sqlite3ExprCacheAffinityChange() when generating 
OP_MakeRecord opcodes that do not change any register affinities.

FossilOrigin-Name: e211c579b2f092e3283edd5fb9add7c5183bac35
 2016-11-14 15:28:56 +00:00
dan
b3e845ba33 Fix an fts5 problem causing a crash in phrase queries where the first token of 
the phrase matches one or more rows but some other token within the phrase
matches zero.

FossilOrigin-Name: e78f6f3bbf4781850960fe6741f7cba480f2c27d
 2016-11-14 08:19:37 +00:00
drh
48c286fc61 Fix harmless compiler warnings in test code for MSVC. 
FossilOrigin-Name: 7b76be4117f4e57091b03fafcf42d17bce81160d
 2016-11-11 20:37:27 +00:00