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27,999 Commits 1,607 Branches 185 Tags
378bf82e2bc09734b8c5869f9b148efe37d29527
Commit Graph

494 Commits

Author SHA1 Message Date
drh
41d2e66ef3 Add the SQLITE_LIKE_DOESNT_MATCH_BLOBS compile-time option. 
FossilOrigin-Name: 9e1d6d4c391ff90077f0d1cdeb567969fee9f747
 2015-12-01 21:23:07 +00:00
drh
8b4a94adc1 Add the sqlite3_strlike() interface, which might be useful for implementing 
LIKE operators on virtual tables.

FossilOrigin-Name: e70ec71d6883f2f8fc75301ff985bccb5aa06127
 2015-11-24 21:23:59 +00:00
drh
03bf26d90d Not only date/time functions, but also functions like sqlite_version() and 
changes() need to be prohibited from use inside of indexes.

FossilOrigin-Name: 487131303980f15dd5e1b6695b4f29efda229eb8
 2015-08-31 21:16:36 +00:00
drh
6bacdc21ae Fix compiler warnings. Get the new sqlite3_result_zeroblob64() working 
on loadable extensions.

FossilOrigin-Name: f8991e6f726485301c80d2dbb05e7d5c0d283b5d
 2015-07-24 17:14:03 +00:00
dan
a4d5ae8fa2 Add the sqlite3_result_zeroblob64() API. Use it in the SQL zeroblob() function. 
FossilOrigin-Name: c6445b9fb4d7d1a8479436d7d183bad754a01615
 2015-07-24 16:24:37 +00:00
drh
53e66c3cda More robust handling of zeroblob() with oversized arguments. Fix fuzzcheck 
so that it can be run with limited heap memory.

FossilOrigin-Name: 4e3e516a42059c97f42a7eb59bdf5cded0ff843a
 2015-07-24 15:49:23 +00:00
drh
b0870486aa Performance optimization and comment fixes for the LIKE and GLOB operators. 
FossilOrigin-Name: c89d772628564a808173f6f73bc1798ec714276b
 2015-06-17 13:20:54 +00:00
drh
c049057242 Cleanup of the sqlite3StrAccumInit() function. No functionality changes. 
FossilOrigin-Name: 7952c32268aa650d9ee946d5bfe190f712e3bbe6
 2015-05-02 11:45:53 +00:00
drh
f3cdcdccbe Use sqlite3_malloc64() in place of sqlite3_malloc() internally. 
FossilOrigin-Name: 48f553b05c05373c0af4b9c3a542979db3a2ee19
 2015-04-29 16:50:28 +00:00
drh
a9e03b1b82 The valueFromFunction() routine is better able to handle OOM errors. 
Omit unreachable branches.

FossilOrigin-Name: 8fb6bd9be59d6b04e922d7b246aaefd4851539b6
 2015-03-12 06:46:52 +00:00
drh
16897072b5 Refactor some jump opcodes in the VDBE. Add JumpZeroIncr and DecrJumpZero. 
Fix the LIKE optimization to work with DESC sort order.

FossilOrigin-Name: 26cb5145bf52f8c3fffa8c69b6c24aee4d974883
 2015-03-07 00:57:37 +00:00
drh
883ad04985 First small steps toward brining trunk and apple-osx closer together. 
FossilOrigin-Name: 28284ccc0d7301503f6d2d7bee9093738d52e331
 2015-02-19 00:29:11 +00:00
drh
643091f071 Fix a typo in a requirements mark on the abs() SQL function. 
FossilOrigin-Name: b1e6c02f8b9a2afaa12ac15a33e3f698c3be27d6
 2014-11-20 23:21:23 +00:00
drh
a15cc47f81 Simplifications to the SQL function and aggregate calling procedures. 
FossilOrigin-Name: 3467049a1705b49905ea88a5c6becb6fe318f2fa
 2014-09-25 13:17:30 +00:00
drh
9fdfdc893b Still more performance enhancements to the LIKE and GLOB operators. 
FossilOrigin-Name: 6c8924cacc2b875270770fed2cc3b1884f57a655
 2014-09-25 11:08:57 +00:00
drh
88b3322f27 More performance optimization for the LIKE and GLOB operators. 
FossilOrigin-Name: 5ab1023d6cfe31fa8a194804b8216058977ac973
 2014-09-25 03:51:37 +00:00
drh
328d913cbd Size reduction and performance improvement in the LIKE and GLOB operators. 
FossilOrigin-Name: b2c89ef49cd19b8031a8149a2dc47cea07dd04e0
 2014-09-25 00:56:00 +00:00
drh
035e563bf6 Reorder the elements of the Mem object for a small size reduction and 
performance improvement.

FossilOrigin-Name: 0be3019ed794c10de67dfd645ceea7d45815bc4b
 2014-09-16 14:16:31 +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
46c831bf2a Add new APIs that take 64-bit length parameters: sqlite3_malloc64(), 
sqlite3_realloc64(), sqlite3_bind_blob64(), sqlite3_bind_text64(),
sqlite3_result_blob64(), and sqlite3_result_text64().
Add the sqlite3_msize() interface.
Internal memory allocation routines now use 64-bit unsigned
length parameters for safety.
Fix the sqlite3_get_table() to use sqlite3_realloc64() to avoid
a integer overflow problem.

FossilOrigin-Name: 7e4978c003867d1b532b69221013dda75ca61953
 2014-09-11 18:44:04 +00:00
drh
f442e33e3a Add the ".user" shell command and implement the sqlite3_user_add() 
routine.  Incremental check-in.  The code compiles but does not work.

FossilOrigin-Name: a0455f9deb603bf91684158d911269622720fc1a
 2014-09-10 19:01:14 +00:00
drh
bbf483f855 Change the name of the _texte64() interfaces to just _test64(), without the "e". 
FossilOrigin-Name: 6ab76c5fedfe568b0f0f34a600f9135bf6558148
 2014-09-09 20:30:24 +00:00
drh
da4ca9d19c Add new APIs that take 64-bit length parameters: 
sqlite3_malloc64(),
sqlite3_realloc64(),
sqlite3_bind_blob64(),
sqlite3_bind_texte64(),
sqlite3_result_blob64(),
and sqlite3_result_texte64().
Internal memory allocation routines also now use 64-bit unsigned length
parameters for safety.
Also add the sqlite3_msize() interface.
Fix the sqlite3_get_table() to use sqlite3_realloc64() to avoid a
integer overflow problem.

FossilOrigin-Name: 94954850cf2e1ec0b7f590c7f46cdc54c72558ce
 2014-09-09 17:27:35 +00:00
peter.d.reid
60ec914c74 Fix typos in comments. No code changes. 
FossilOrigin-Name: e62aab5e9290503869e1f4d5e0fefd2b4dee0a69
 2014-09-06 16:39:46 +00:00
drh
ede7ae31f1 Fix an obsolete comment in the func.c source file. No changes to code. 
FossilOrigin-Name: 5c6bb57d90bad32785d6d9cdf110a825bbc5ec73
 2014-08-06 11:58:40 +00:00
drh
03202a97f8 Add the likely() function for symmetry with unlikely(). The likely(X) 
function means the same thing as likelihood(X,0.9375).

FossilOrigin-Name: 38965484199153e3e5b999f5196c1d66e5296f60
 2014-06-17 16:11:28 +00:00
drh
8009c9b439 A better fix for the group_concat() problem. 
FossilOrigin-Name: 1c086deebd0eb442918972e4b9185a5a0db3b8c3
 2014-05-07 20:24:00 +00:00
drh
86a1119133 Ensure that the sqlite3StrAccumAppend() routine is never called with a NULL 
second argument.  Doing so is harmless when N==0, but it causes an assert()
to fail that was placed to quiet static analyzers.

FossilOrigin-Name: f03fbf3700d9d4a654e3aa2e5caa810a8416bed9
 2014-05-07 18:21:56 +00:00
drh
eacc050f30 Make sure the group_concat() function returns an empty string, not a NULL, 
if it has at least one input row.  Fix for ticket [55746f9e65f8587].

FossilOrigin-Name: 0deac8737545a020d344be96fff16660a7977ab8
 2014-05-07 17:19:31 +00:00
dan
b72cad14d0 Fix a bug causing "SELECT char()" to return SQLITE_NOMEM. 
FossilOrigin-Name: ba39df9d4f7ffc6475ae0dc794f7d3f58c486de8
 2014-03-08 19:07:03 +00:00
drh
693e671936 Fixes for various clang warnings. 
FossilOrigin-Name: 87bf60637e5863c54c5e2d05aaaca0835b7aace8
 2014-01-24 22:58:00 +00:00
drh
a5c1416d64 Add the printf() SQL function. 
FossilOrigin-Name: 6db7052eeefafdbf26b3153bc38600fecfb53ae6
 2013-12-17 15:03:06 +00:00
drh
a9ab481fca Fix harmless compiler warnings. 
FossilOrigin-Name: a7e5fcd66659750eb2f4675082df324e7cf35427
 2013-12-11 11:00:44 +00:00
drh
b1fba2868b Add the ability to factor constant functions out of inner loops. But do 
not factor out non-constant functions, like random().

FossilOrigin-Name: 1b0f779e19a5c0d51eddd2d88db50034d77d132c
 2013-11-21 14:33:48 +00:00
drh
eb091cdfc4 Updates to requirements marks. No changes to code. 
FossilOrigin-Name: 8a0366285b94dc43d932736e7b1eedb71e241857
 2013-11-09 19:47:15 +00:00
drh
5f8cdac620 Move the tointeger() and toreal() functions out of core and make them into 
a run-time loadable extension.

FossilOrigin-Name: 9f66dd7e3790c04f0ab724419f5381bd21f9ebad
 2013-10-14 21:14:42 +00:00
mistachkin
bbff218016 Merge updates from trunk. 
FossilOrigin-Name: 435ce3b3fc0cffb4d7e6f2694c3100066e19f9ed
 2013-09-24 19:07:48 +00:00
drh
a496fa7c02 Adjust the query planner to take into account WHERE clause terms that do not 
drive indices.  Add the unlikely() and likelihood() functions used to give
hints to the query planner about the selectivity of WHERE clause terms.

FossilOrigin-Name: bc446449a19171c0fa0681973b06bc80d3c0517f
 2013-09-13 17:47:57 +00:00
drh
6e1b167454 Fix typo in a macro name: "GlogUpperToLower" should be "GlobUpperToLower" 
FossilOrigin-Name: 73634ca463f46027bfa8ea23f18abaa530460e24
 2013-09-12 23:12:08 +00:00
drh
aae0f9e462 Change the name of the two-argument unlikely() function to likelihood(). 
Add test cases.

FossilOrigin-Name: 29a359b8d7f90e6fa2b28ce2a112284fd3870494
 2013-09-11 11:38:58 +00:00
mistachkin
9a5cbbc4a5 Merge updates from trunk. 
FossilOrigin-Name: 8922be1a3e0269552e12b87fe1e5141c38a8d3f8
 2013-09-06 22:27:55 +00:00
mistachkin
9a5b271908 When converting from a BLOB value in the tointeger() and toreal() SQL functions, make sure that endianness of the machine does not matter. 
FossilOrigin-Name: 94c4cdc50d2753c859e494d53cebd09edd2e5663
 2013-09-06 20:30:53 +00:00
drh
cca9f3d291 Initial implementation of the unlikely() SQL function used as a hint to 
the query planner.

FossilOrigin-Name: 036fc37a034093a4c6fc190633bd41c2b7230d77
 2013-09-06 15:23:29 +00:00
drh
d36e104112 Combine the FuncDef.iPrefEnc and FuncDef.flags fields into a single 
new FuncDef.funcFlags field.

FossilOrigin-Name: 97b10e66e98e84755aa577f8da017bf1aea2056c
 2013-09-06 13:10:12 +00:00
mistachkin
05b1ba1e3f Handle BLOBs specially, treating them as binary, in the tointeger() and toreal() SQL functions. 
FossilOrigin-Name: c4c53acb985a248c89db2d75025d941e3a4899bc
 2013-08-31 21:41:09 +00:00
mistachkin
09dee52885 Prevent the implementation of the toreal() SQL function from being 'optimized' by MSVC. 
FossilOrigin-Name: 047bd1c24553b00ccf12d7745bb4c46820b91f5e
 2013-08-29 01:17:24 +00:00
mistachkin
60883e5401 Fix boundary case for the toreal() SQL function. 
FossilOrigin-Name: abe82c634ccda7d62687df5917d18a9d6e411142
 2013-08-29 01:01:11 +00:00
mistachkin
312404ef76 Merge updates from trunk. 
FossilOrigin-Name: ffc6e682836cdf275189427109f8af2aeb423bcd
 2013-08-28 18:56:04 +00:00
drh
2f53b90665 Merge the STAT4 capability into trunk. 
FossilOrigin-Name: a32af0abe5fa6d570604fa3534e8230d5b6042fc
 2013-08-26 23:18:06 +00:00
drh
b49bc86a1a Simplification to the StrAccum object and the sqlite3StrAccumAppend() 
method that also results in slightly better performance.

FossilOrigin-Name: 700dbbea8647e0fdaee6d0aba3d3dd8ebfbac04a
 2013-08-21 21:12:10 +00:00