9d970c3c93
Small optimization in FK handling.
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FossilOrigin-Name: e0d25913b73a813f5987aa70b364b00f19351663
2016-02-25 21:38:28 +00:00
d566c95179
Change the "PRAGMA stats" command to report size values in LogEst units.
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The eliminates the need for sqlite3LogEstToInt() unless non-standard
compile-time options are used, so leave it out except in those cases.
FossilOrigin-Name: 832c237fcbe83dd4f5a18a06acb0aeb7e2b9e712
2016-02-25 21:19:03 +00:00
aa9ffaba4a
Disable the RESTRICT foreign key action if "PRAGMA defer_foreign_keys" is set.
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FossilOrigin-Name: 9ffff484bb4b67c29dda6180d7d766ad13988fe1
2016-02-25 20:17:55 +00:00
5a6f5ede81
Improvement on the previous check-in: disallow automatic indexes for any
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loop that is expected to run less than twice.
FossilOrigin-Name: aab53a21894ba51d325fd8f8f4bb4163ece74391
2016-02-25 18:22:09 +00:00
87eb919d05
Do not use an automatic index on an outer loop that only runs once.
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FossilOrigin-Name: 5957e793414ff80ed01a7a67e70c3fd096a3f6e0
2016-02-25 18:03:38 +00:00
c3489bbf77
Take the LIMIT clause into account when estimating the cost of sorting.
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FossilOrigin-Name: d491745cab951e0de70f1f79b7640ea8aff6e8bb
2016-02-25 16:04:59 +00:00
d8c22ac655
In the command-line shell: When the ".import" command is creating a new
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table using column names from the first row of CSV input, make sure
double-quotes in the name are properly escaped.
FossilOrigin-Name: 2e67a1c823c7003e7d2619c7d8b6db6ce046c527
2016-02-25 13:33:02 +00:00
f769cd61b2
Extend [3e9ed1ae] so that covering indexes on WITHOUT ROWID tables are also identified.
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FossilOrigin-Name: e721975faa0925be4029330550ff2a9666041ff7
2016-02-24 20:16:28 +00:00
6ad224e91e
Change a char* to const char* in order to suppress some harmless
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compiler warnings.
FossilOrigin-Name: 56f62e34ae9d5c7db07367f0007df258b2e76bd2
2016-02-24 19:57:11 +00:00
87993148bd
When an index complete covers a table, it can be used as a covering index
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even if columns past the 63rd column are indexed and accessed.
FossilOrigin-Name: 3e9ed1aea43e8ce2eb74bb845ea2c05b5882e36e
2016-02-24 17:18:51 +00:00
a73086dd9e
Fix a problem with handling identifiers that start with "x" if SQLITE_OMIT_BLOB_LITERAL is defined.
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FossilOrigin-Name: b65217c69c59cbe9cd1494e2eb42ecf22c336399
2016-02-24 16:14:07 +00:00
e1dd060898
Identify indexes that complete cover their table.
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FossilOrigin-Name: 71d488b599cbde817de369efac4412569a55b43d
2016-02-24 15:43:05 +00:00
0e0089679f
Add the SQLITE_BITMASK_TYPE compile-time option.
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FossilOrigin-Name: 0064a8c77b2b048c71277d1cfd1ba3975b513b70
2016-02-23 16:28:34 +00:00
b052958657
Remove code not needed now that synchronous=OFF database files no longer
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trigger the use of a master journal.
FossilOrigin-Name: aa9f4c622af191edbeb6a535942944f8c91f5c37
2016-02-22 23:44:42 +00:00
0bf2ad6a18
Clearer presentation of the logic. No functional changes.
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FossilOrigin-Name: a3dcf6db76cc09bdfedb1bbeba3b359b77762cbe
2016-02-22 21:19:54 +00:00
a6d2f8eb1e
Avoid an unnecessary seek operation on some corner-case skip-scans.
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FossilOrigin-Name: 38e837e605076124b73235e1fd832838d9545cb2
2016-02-22 20:52:26 +00:00
b9626cfa70
Always use the sqlite3VdbeDeleteAuxdata() routine for clearing auxdata on
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function parameter, rather than having a separate deleteAuxdataFromFrame()
for doing the job for trigger frames.
FossilOrigin-Name: 64386fa339adb91439da979d74062f67a6ec68fd
2016-02-22 16:04:31 +00:00
8e6cf0a7c5
Avoid creating a master journal unless two or more databases in the
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transaction can actually benefit from that master journal.
FossilOrigin-Name: 3ed1890612bd45bd9c72f670d2cbb0b8fbd35d92
2016-02-22 14:57:38 +00:00
e872d5133d
Change magic numbers associated with synchronous settings to named constants.
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FossilOrigin-Name: 9230ba6c01f4a550d92a0cbbf36dbe81af14fbfc
2016-02-22 13:23:16 +00:00
3200132add
Use a separate list of aux-data structures for each trigger program at the VDBE level. Fix for [dc9b1c91].
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FossilOrigin-Name: c4295725015d394f01b8563f47236e0890f1cc0d
2016-02-19 18:54:29 +00:00
b1f4efd20b
Fix a harmless uninitialized variable access.
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FossilOrigin-Name: 398522e686b34e7f82a62e62d8b0a0ea924de064
2016-02-19 14:20:46 +00:00
81fd3497f4
Make sure WhereClause objects are fully initialized before use when
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planning OR queries.
FossilOrigin-Name: 162053021795ff40c447498a76de4d31d58aa808
2016-02-19 14:10:44 +00:00
9a1e85ee2e
Fix (harmless) compiler warnings in some of the TCL-based test code.
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FossilOrigin-Name: 7c26d2b47025edaa289bd4a383b5c1536482ec11
2016-02-19 13:29:52 +00:00
469753d949
Add an SQLITE_DISABLE_INTRINSIC #ifdef to the sqlite3Put4Byte() function.
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FossilOrigin-Name: ba9c6827d0890aaed9168c221fefbdbe89f4f9d3
2016-02-19 13:20:02 +00:00
b2bddbbc2d
Avoid a potential buffer overrun if an SQL statement being parsed ends
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with an illegal "!" token. (This problem was detected by fuzzcheck
running under valgrind. The problem was introduced by check-in [9570b6b43df3].)
FossilOrigin-Name: 2a8d97e7c8976df0312e1294e8c1da8b15686654
2016-02-18 14:49:28 +00:00
5b081d8a28
Add extra API armor on the sqlite3_bind_blob() interface.
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FossilOrigin-Name: 80de1ad5eb4c3839756b6467d5b8195b4abfb1f8
2016-02-18 01:29:12 +00:00
9467abf3dd
Fix up all VDBE opcodes so that they cause an immediate exit on any kind of
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error, and thereby eliminate the need to test "rc" at the top of the loop.
Resulting code is a little smaller and faster.
FossilOrigin-Name: a444633a827642bcf4d02a461e7e5f66769d39fd
2016-02-17 18:44:11 +00:00
b7997fe3a9
Enhance Lemon to generate more compact and efficient code for yy_reduce().
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Update the main SQL grammar to take advantage of the new capabilities.
FossilOrigin-Name: 53fd040c98d9647ea135d43c493777bf8da4aebd
2016-02-17 13:24:12 +00:00
43303de97e
More agressive use of /*A-overwrites-X*/ in the parser. Fix an off-by-one
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error in parser stack overflow detection.
FossilOrigin-Name: 417e777701bbf4bd67626d4ca3bc2c5d847f6cd0
2016-02-17 12:34:03 +00:00
0ccbc64fd6
Documentation typo on sqlite3_wal_hook(). No changes to code.
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FossilOrigin-Name: fc2043ebaa3f106529500164936bb82f9b921b1c
2016-02-17 11:13:20 +00:00
cf82f0d3d2
Enhance Lemon so that if reduce code contains a comment of the form
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"/*A-overwrites-X*/" then a LHS label A is allowed to overwrite the
RHS label X.
FossilOrigin-Name: 5cfe9545d478a2c500083613dd20e14b2ffce645
2016-02-17 04:33:10 +00:00
dabd04c656
Further improvements to the Lemon-generated code for yy_reduce().
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FossilOrigin-Name: ef95a7d6490e33a9af4bc7b4b622de7328742ca7
2016-02-17 01:46:19 +00:00
4dd0d3f819
In Lemon, add the ability for the left-most RHS label to be the same as the
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LHS label, causing the LHS values to be written directly into the stack.
FossilOrigin-Name: 4bb94c7c4c3cb3ccad72c2451d88684130dde845
2016-02-17 01:18:33 +00:00
45f31be85d
Experimental changes to Lemon for improved parser performance.
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FossilOrigin-Name: a65d583ce97b8c08157268bd054479cda3957a94
2016-02-16 21:19:49 +00:00
30c14728b4
Minor simplification to the tokenizer. Slightly smaller and faster.
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FossilOrigin-Name: 9570b6b43df3bc5ce314cded20bca8be9e968efe
2016-02-16 13:04:19 +00:00
b71aef3461
Readability improvements for winRandomness.
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FossilOrigin-Name: 1640f814c7a5210f08c81e52e5a3fb89ac26f4d4
2016-02-15 22:37:18 +00:00
0ead47d1c7
Fix comment. No changes to code.
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FossilOrigin-Name: 2e1f2eff27e25280fe626c07b6260b0a7aa903d3
2016-02-15 22:28:50 +00:00
bfc9b3f45c
Revise compiler checks for the rand_s() function.
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FossilOrigin-Name: 287f508dd6abc1b9ffdbec6a685ebe79eeac992b
2016-02-15 22:01:24 +00:00
51d5ed97f5
On windows systems when rand_s() is available, use it to obtain additional
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seed material in winRandomness().
FossilOrigin-Name: 139081bef9f63c3ebbe9e992408597b1349bdf37
2016-02-15 21:31:51 +00:00
8eb3790a8d
Improved entropy gathering for the implementation of winRandomness().
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FossilOrigin-Name: fea3705e7750d276a8c8300b7a82dfae2d5979c0
2016-02-15 20:41:56 +00:00
e683b89880
Fix harmless compiler warnings previously seen in 64-bit MSVC builds.
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FossilOrigin-Name: 7026246300392a83cc23817dbc54c2c66bf1f2b3
2016-02-15 18:47:26 +00:00
32c49904a6
Add the SQLITE_NOMEM_BKPT macro to enhance the ability to debug OOM errors.
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Only effective with compiling with SQLITE_DEBUG.
FossilOrigin-Name: 9b3454762d142113f5923d754ca6bd2edefbd362
2016-02-15 18:15:15 +00:00
66acf297fd
Minor code simplifications.
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FossilOrigin-Name: c3b38efd50c3c07b6dee5dea4c1f95b37d1c0994
2016-02-15 18:02:13 +00:00
3bff397248
Make the application-defined SQL function logic more compact and faster,
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especially faster for the case where an application defines thousands of
new SQL functions.
FossilOrigin-Name: 7d49ed32a7262ec95d72ce520ab75402633386a1
2016-02-15 17:56:35 +00:00
8e0cea1a5d
Make sure the codec is invoked when overwriting existing frames of the
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WAL file. Yikes!
FossilOrigin-Name: f694e60a79024967a3f4574e3928f0b28589d381
2016-02-15 15:06:47 +00:00
80738d9c3e
Improvements to the application-defined function mechanism so that it is
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more compact and runs faster, especially when the application defines
thousands of new SQL functions.
FossilOrigin-Name: 3201fbcc5105d23132e6b8b7ac825e66af4f8a39
2016-02-15 00:34:16 +00:00
8fd8413aaa
Update a comment.
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FossilOrigin-Name: e9753d9a2c1269050f886e6cb9bc9cba0a8df6ce
2016-02-14 00:14:35 +00:00
fad3039c51
Enhance ability to debug out-of-memory errors.
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FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28
2016-02-13 23:43:46 +00:00
e75a9eb9bb
Provide Sqlite3_SafeInit() and Sqlite3_SafeUnload() entry points on the TCL
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interface, but have the always return TCL_ERROR, because the non-standard
TCL builds on Macs require this.
FossilOrigin-Name: 37ec3015ec95035d31e3672f520908a0d36c9d67
2016-02-13 18:54:10 +00:00
aa622c1f4f
Fix a documentation typo. No changes to code.
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FossilOrigin-Name: d9c985878cf7c74a79ccdb9cf94a2d48fdde3e6f
2016-02-12 17:30:39 +00:00
mistachkin