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4842 Commits

Author SHA1 Message Date
dan
4ee3eb0ad4 Add a test to show that the change on this branch is effective. 
FossilOrigin-Name: fc619be057975b8be6d0958024c5d436edbdf084
 2014-10-04 10:22:01 +00:00
drh
8da47419dd Update to requirements marks related to changes in the memory allocation 
interface and enhancement of the documentation regarding DEFAULT clauses
in CREATE TABLE.

FossilOrigin-Name: 440705b98a3429b830ea85e71cc1e414bc6d8058
 2014-10-03 14:54:47 +00:00
drh
2a3d1d17fd Avoid a NULL pointer deference when processing the IS operator if the 
right-hand side is an illegal "#ID" style variable.
Fix for ticket [8c32a33a53092c85a15b]

FossilOrigin-Name: ffe7573636c8057614b02f0a85559e1857fd04e4
 2014-10-02 21:52:35 +00:00
dan
9501a64516 Avoid ever writing before the start of an allocated buffer in the DIRECT_OVERFLOW_READ code. Fix for [e3a290961a6]. 
FossilOrigin-Name: c3c15d20c6913811956a5041c959a56ca4eeb5eb
 2014-10-01 12:01:10 +00:00
drh
7682a476f6 Ensure that the OP_Prev opcode verifies that content has not been deleted 
out from under the cursor.  Fix for ticket [209d31e3161b9e9ff].

FossilOrigin-Name: 414f0d6a647a4d040b5463c73c5e15e699d85b4c
 2014-09-29 15:00:28 +00:00
drh
3b130beb15 If an SQL function makes a recursive call to do an INSERT into the same 
database, make sure that the last_insert_rowid() for that INSERT is recorded.

FossilOrigin-Name: e93aecc090c2a1d3c231bb2bde044886eff0bdf7
 2014-09-26 01:10:02 +00:00
drh
2c4dc635a1 Simplification to the random rowid picking logic that begins running when 
the maximum possible rowid has already been used.

FossilOrigin-Name: 1330c72e172324c68ab49e5bb2ceba985935ae01
 2014-09-25 12:31:28 +00:00
drh
feada2df39 Do not allow parameters in a DEFAULT clause of a CREATE TABLE statement. 
Ticket [78c0c8c3c9f7c1].

FossilOrigin-Name: 1ad2bc1ed4c4ac81ac67a9660761f0eeb47c7fef
 2014-09-24 13:20:22 +00:00
drh
3b8fea9ec6 Add the "multiplex_truncate" PRAGMA to the multiplexor extension, for 
querying and setting the truncate flag on a database connection.

FossilOrigin-Name: d2962a5f388f30a02429e0c8b87399f482b5604c
 2014-09-23 18:30:00 +00:00
drh
14f0e2128a Adjust skip-scan cost estimates slightly so that a full table scan is 
preferred over a skip-scan to a column with only two distinct values.

FossilOrigin-Name: ae9a42b268ad3f7d21a5813bb931e795c6917014
 2014-09-23 01:40:59 +00:00
drh
7e07433fe7 Tune the query planner to be more aggressive about using automatic indexes 
on views and subqueries for which there is not opportunity to declare a
persistent schema index.

FossilOrigin-Name: 41de1643bfc9ae25e20790d707e2789b665baa2b
 2014-09-22 14:30:51 +00:00
drh
d7643037e6 Add test cases for ticket [89398880bcfff9]. 
FossilOrigin-Name: 9683e001ed38b41979220eef0bdfcb54df5f3191
 2014-09-21 20:31:26 +00:00
drh
137fd4fda2 Make sure that the sorting-index pre-filter recognizes that a rowid reference 
might be sortable.  This fixes a performance regression.

FossilOrigin-Name: 72727b68cd07969165f1f0943cc7e1a265436653
 2014-09-19 02:01:37 +00:00
dan
ed7bcba798 Avoid attempting to call the xFetch() method of an sqlite3_io_methods object with a version number less than 3. 
FossilOrigin-Name: dedaa6fb3d2e6e697d4a48649af5f42d9a11c333
 2014-09-15 16:50:34 +00:00
drh
9588ad95c1 Do not flatten aggregate subqueries that contain min() or max() functions 
so that if the min()/max() are discarded by the outer query, they still
function and cause non-aggregate expression to be evaluated on the minimal
or maximal row.

FossilOrigin-Name: 0bdf1a086b3946722f4d4b328e25917f61c14713
 2014-09-15 14:46:02 +00:00
drh
7883ecfcd4 Enhance the sqlite3_user_add() interface to initialize the user 
authentication logic.  Add test cases for the extra argument on the
end of the authorizer callback.

FossilOrigin-Name: 842c6da8f1a62bd13a1b4089a98b0835a46a2285
 2014-09-11 16:19:31 +00:00
drh
a000ca681a All interfaces working and tested. 
FossilOrigin-Name: 96ea5c0b3cd1dec81d490f2f958ebd2e47a24921
 2014-09-11 15:25:02 +00:00
drh
9d5b0df132 Get the sqlite3_user_delete() interface working. 
FossilOrigin-Name: 974a9c65583f7ab438d5673dc00c347ab8322855
 2014-09-11 14:56:45 +00:00
drh
570f187f78 Fix the sqlite3_user_change() interface so that it does allow a 
non-admin user to change their own password.

FossilOrigin-Name: 52d440c7e1b07fc03f14ed5fa4cc4c89a75cd430
 2014-09-11 14:40:27 +00:00
drh
32c6a48b5e Add support for the extra parameter on the sqlite3_set_authorizer() callback 
and support for failing an ATTACH with an authentication-required database
using bad credentials.  The extension is now feature complete, but much
testing and bug-fixing remains.

FossilOrigin-Name: 596e728b0eb19a34c888e33d4d37978ca2bf1e00
 2014-09-11 13:44:52 +00:00
drh
d39c40ff5e Reorder parameters on the sqlite3_user_*() interfaces for consistency. 
Add the first TCL test cases.

FossilOrigin-Name: 2f6d8f32eef526b5912f42ab467e3c7812480d8b
 2014-09-11 00:27:53 +00:00
mistachkin
6b9da12856 Fix a couple of typos in comments. No changes to code. 
FossilOrigin-Name: a758465e3cfa7e0cb8749d097cd6fb5f86b60955
 2014-09-06 02:00:41 +00:00
drh
d8b77e20fc Query planner heuristic update: 
When doing a full table scan on a table that has an equality constraint on
an unindexed column, do not allow the estimated number of output rows to
be greater than half the total number of rows in the table.

FossilOrigin-Name: 73954f93c4c6f880c6e01d0d130e3fed40fd4106
 2014-09-06 01:35:57 +00:00
drh
43cbe14378 Fix the speedtest1.c test program to set the worker thread count using 
the threads pragma.

FossilOrigin-Name: 2ab4b5adc60b52bf2d2b79968d226b8dd7d2ab3b
 2014-08-29 18:06:33 +00:00
drh
503ae86508 Merge recent performance enhancements from trunk onto the threads branch. 
FossilOrigin-Name: 35c44a3c73e2e8b14ff194c41986f4bdb9dfe737
 2014-08-29 14:40:07 +00:00
dan
7fa0631ece Fix a problem causing an inaccurate stat4-based estimate for the number of rows visited by a range scan. 
FossilOrigin-Name: 052d89b554a947b7e420b7feb6650f5069b7cefa
 2014-08-28 16:01:31 +00:00
dan
54ae4e3179 Add a missing ticket number to a comment in index7.test. 
FossilOrigin-Name: d8b1c4336145d436241863c3525530e24a24799b
 2014-08-27 17:48:15 +00:00
dan
0829169f1e When determining whether or not a partial index is usable, do not assume that the cursor number assigned to each table in the query is the same as its index in the FROM clause. Fix for ticket [98d973b8f5]. 
FossilOrigin-Name: fcebca166f15431764b82a8b267f11d28386e975
 2014-08-27 17:37:20 +00:00
drh
028696c4cc Remove the SQLITE_CONFIG_WORKER_THREADS configuration parameter. The number 
of worker threads in the sorter is now determined only by the
PRAGMA threads=N setting.

FossilOrigin-Name: e3305d4b4efcbe06945ce7f6ec0f2e864244aaf9
 2014-08-25 23:44:44 +00:00
drh
6c4ec84256 Merge the CAST operator enhancements from trunk. 
FossilOrigin-Name: 6c8f86e4e08d5d57e21496277613e0f9dcc06514
 2014-08-25 22:43:17 +00:00
drh
21b0e73354 Test cases added for using unary "+" and CAST operators on the RHS of range 
constraints and verifying that STAT3/4 can use those constraints.

FossilOrigin-Name: 42505e5a810832442699ca54a46637c50e7f9e71
 2014-08-25 20:21:07 +00:00
drh
4169e430a2 Allow CAST expressions and unary "+" operators to be used in the DEFAULT 
argument of an ALTER TABLE ADD COLUMN and to be understand on the RHS of
range constraints interpreted by STAT3/4.  This involves a rewrite of the
implementation of the CAST operator.

FossilOrigin-Name: 91d8a8d0b792ea5c4fe68fd9caaf3345eddea486
 2014-08-25 20:11:52 +00:00
dan
f741e0491e In cases where stat4 data is available but cannot be used because the rhs of a range constraint is too complex a expression, fall back to using the default estimates for number of rows scanned. 
FossilOrigin-Name: e06dc6f0c35f87c44292c71677111b74f073a5c4
 2014-08-25 18:29:38 +00:00
drh
4d015c6902 Merge the recent performance enhancements implemented on trunk into the 
threads branch.

FossilOrigin-Name: dfdc900f5d1a31ee5c5f35a630c4a8253e69093b
 2014-08-25 13:27:02 +00:00
drh
5ab567078a Enhance the spellfix extension with the ability to specify a rowid when 
inserting new rows.

FossilOrigin-Name: 369c480cda6fa66394b995346bbf51f3298446e1
 2014-08-22 11:11:30 +00:00
drh
f3f69ac942 Enhancements to skip-scan such that it is operable when a middle column of 
an index is skipped while the left-most column is constrained in the WHERE
clause.

FossilOrigin-Name: bc985caa7816f1f873ad8e4467c5278399f315ce
 2014-08-20 23:38:07 +00:00
drh
dfd1547b48 Modify the memsubsys1-3.1.4 test so that it does not fail arbitrarily due 
to variations in the behavior of system malloc().

FossilOrigin-Name: d280157da0b5275f3e3c875d2dcfb9998d374ac0
 2014-08-19 23:04:49 +00:00
drh
2c7946a485 Make sure the sqlite3_trace() callback is invoked, even if the prepared 
statement was marked "expired" before it ever entered sqlite3_step().
Ticket [11d5aa455e0d98f3c1e6a08].

FossilOrigin-Name: 0d4d3df4bc5e75ce1543b5539a1e9e279d2a062f
 2014-08-19 20:27:40 +00:00
drh
8d09dfe8f3 Merge the 3.8.6 release into the threads branch. 
FossilOrigin-Name: 05807c4122505567ec64fb2d142077f48a0a10b1
 2014-08-15 15:46:21 +00:00
dan
f216e324f9 Fix an assert that can fail if the database file is corrupted. 
FossilOrigin-Name: 3f45b8192dad7fb1f027cbaa694046e3c1b3e278
 2014-08-14 19:53:37 +00:00
drh
83b25d32d7 Merge the pre-3.8.6 changes into the threads branch. 
FossilOrigin-Name: a608fd1d52606a009c3acc7f1d184b86a7df3c82
 2014-08-14 14:02:48 +00:00
dan
299b24688a Fix where9.test so that it works with the "no_optimization" permutation. 
FossilOrigin-Name: d46adf9d8f741838b9c30f915231d6a3986c3591
 2014-08-12 20:13:22 +00:00
dan
d79d27aeda Run a test with TEST_REALLOC_STRESS and OMIT_LOOKASIDE defined as part of releasetest.tcl on Linux/x86-64. 
FossilOrigin-Name: a1baf3a7b177728cdfcd6d9345a0d6bf0a8887c0
 2014-08-12 14:06:13 +00:00
dan
76ccd89d13 If SQLITE_TEST_REALLOC_STRESS is defined, extend the op-code array used by virtual-machine programs by one element at a time, instead of doubling its size with each realloc(). 
FossilOrigin-Name: 4c291827224b84487a38e7ccba2edabc0f15b5ba
 2014-08-12 13:38:52 +00:00
dan
793bd861fe Add a test to ensure that the problem fixed by [a179e41e40] does not recur. 
FossilOrigin-Name: 31356f2cae26278660e6bd360ad35e57261d977c
 2014-08-12 09:36:08 +00:00
drh
9f959b07de Add a few more requirements tests. 
FossilOrigin-Name: b5652439d5d770f0edeb80c8f55fa7cc515482e3
 2014-08-11 17:37:27 +00:00
drh
ddb17cae38 Updates to evidence marks and requirements. No changes to code. 
FossilOrigin-Name: 62d38308b519a5362f559b296a0cf1acccf8f673
 2014-08-11 15:54:11 +00:00
drh
e8a537eea7 Update requirements marks. No changes to code. 
FossilOrigin-Name: 7556bd9aa5db1b9cd92d0e48effcda9fe96f3128
 2014-08-08 18:26:20 +00:00
drh
ddef5dc044 When the estimated cost to do a sort overwhelms the estimated cost to do 
individual table lookups, make sure that the table lookup costs are still
taken into consideration when selecting the lookup algorithm.

FossilOrigin-Name: ec5d84ba69c100d9565425ed74040a49e410ea03
 2014-08-07 16:50:00 +00:00
drh
da2e5862d1 Merge all recent changes from trunk. 
FossilOrigin-Name: a353a8515fb2eff86042d0c33e39772f4d04e0b3
 2014-08-06 02:03:35 +00:00