mistachkin
9a5cbbc4a5
Merge updates from trunk.
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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.
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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
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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
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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.
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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.
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FossilOrigin-Name: 047bd1c24553b00ccf12d7745bb4c46820b91f5e
2013-08-29 01:17:24 +00:00
mistachkin
60883e5401
Fix boundary case for the toreal() SQL function.
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FossilOrigin-Name: abe82c634ccda7d62687df5917d18a9d6e411142
2013-08-29 01:01:11 +00:00
mistachkin
312404ef76
Merge updates from trunk.
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FossilOrigin-Name: ffc6e682836cdf275189427109f8af2aeb423bcd
2013-08-28 18:56:04 +00:00
drh
2f53b90665
Merge the STAT4 capability into trunk.
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FossilOrigin-Name: a32af0abe5fa6d570604fa3534e8230d5b6042fc
2013-08-26 23:18:06 +00:00
drh
b49bc86a1a
Simplification to the StrAccum object and the sqlite3StrAccumAppend()
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method that also results in slightly better performance.
FossilOrigin-Name: 700dbbea8647e0fdaee6d0aba3d3dd8ebfbac04a
2013-08-21 21:12:10 +00:00
mistachkin
98ab33a82f
Add test cases for tointeger() and toreal() functions. Fixes for several tests.
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FossilOrigin-Name: 5e1e9fd5e4f189836442baa42244be00de13ff0f
2013-08-20 09:26:38 +00:00
drh
db1c12b79f
Fix compiler warnings and boundary cases for the tointeger() and toreal()
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functions.
FossilOrigin-Name: 4438b9865826446721b7aa09295fe335bf2fafb7
2013-08-20 02:07:50 +00:00
dan
0106e378f1
Re-enable reading from the sqlite_stat3 table (as well as sqlite_stat4).
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FossilOrigin-Name: 6d45078e621526fc2bac0eaefbb0f9602b9a8ec5
2013-08-12 16:34:32 +00:00
drh
0057a74675
Merge in the latest changes from trunk. Simplify the implementation of the
...
tointeger() and toreal() functions. Fix test cases and put unambiguous
labels on all testcase names.
FossilOrigin-Name: 9b837b0508fbfb395f0a0d8e4bd127730c80ffc5
2013-06-21 19:29:33 +00:00
mistachkin
f5fe3ae9e6
Merge updates from trunk.
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FossilOrigin-Name: fa2a91e6c631864846484d13cffdc51856953cd1
2013-06-21 18:32:11 +00:00
drh
f7b5496e8e
Many small harmless comment changes. Removal of obsolete comments and
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fixing misspelled words. No changes to code.
FossilOrigin-Name: a0d5cc9315dc6e9ef7dee4c3dfabf4e562d64376
2013-05-28 12:11:54 +00:00
mistachkin
1654256ac8
Merge updates from trunk.
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FossilOrigin-Name: 6fbad957259eb8c15eaf7e5657240ae24aaf343e
2013-05-15 08:00:44 +00:00
drh
56282a5bc7
Add the sqlite3_strglob() interface.
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FossilOrigin-Name: 41d6ff32a6dd1311dc3aabe5156335a64a886919
2013-04-10 16:13:38 +00:00
mistachkin
bc3ec28b88
Rename the experimental todouble() function to toreal(), update comments.
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FossilOrigin-Name: 12c318ef1b674d1ef347458ce149398885f5ba10
2013-03-13 06:48:05 +00:00
mistachkin
ee1c64ed25
Increase strictness of the new experimental functions and add more tests.
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FossilOrigin-Name: 05c4463ec5f36dde50f6eb116624dc40142f2c8c
2013-03-12 09:07:25 +00:00
mistachkin
69f3d04810
Add experimental tointeger() and todouble() SQL functions.
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FossilOrigin-Name: 465fd853d3e3544cb06b15ffa32ce25774d816c7
2013-03-11 01:23:37 +00:00
drh
fe7a5d11b6
Fix the char() function so that it works even if SQLITE_OMIT_UTF16 is defined.
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FossilOrigin-Name: af542c82e8e7f0415530b639fa397429c5f377f6
2013-03-07 14:00:04 +00:00
mistachkin
ef593f293e
Fix two compilation issues, one warning and one error, that occur only when SQLITE_OMIT_UTF16 is defined.
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FossilOrigin-Name: 10ace06be7fbe9a76a201c418b2af453c7a69043
2013-03-07 06:42:53 +00:00
drh
1d59d036de
Complete the initialization of the loadable extension thunk table. Also
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fix other (harmless) compiler warnings.
FossilOrigin-Name: 780d06c5e54590f677f993fa9c313989c2eab8c7
2013-03-01 23:40:26 +00:00
drh
de97724827
Fix the handling of UTF16 surrogate pairs in the char() function.
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FossilOrigin-Name: ff67d87894eeb0036374235c5723e267536909f9
2013-03-01 15:02:52 +00:00
mistachkin
c9545442f9
Remove extra use of the sqlite3_value_int64() function.
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FossilOrigin-Name: 6d7973524a7d3bf3158fdac58975945da7f51740
2013-02-26 05:42:30 +00:00
drh
d495d8c9a3
Two new SQL functions: unicode() and char().
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FossilOrigin-Name: 209b21085b9767f10f6ffb7c7cac756fcb74ded5
2013-02-22 19:34:25 +00:00
drh
68c804b9ab
Fix a harmless compiler warning.
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FossilOrigin-Name: 12693deba9b8a47ad02ca4e32d5fba6006b0401c
2012-12-04 11:03:11 +00:00
drh
d55e07296b
Implementation of the INSTR() SQL function, as found in SQL Server, MySQL,
...
and Oracle.
FossilOrigin-Name: 49ccae964f3a8ae5aab87f56503121e09424545f
2012-10-25 03:07:29 +00:00
drh
4261096124
Remove an unnecessary parameter from sqlite3Utf8Read() resulting in a slight
...
performance increase.
FossilOrigin-Name: 8b962c94a2f829f71efdd0ca770469b02feea3e1
2012-09-17 18:56:32 +00:00
drh
0fdbdbea03
Remove the stale implementation of the ifnull and coalesce functions - code
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that has been commented out for ages. No functional changes.
FossilOrigin-Name: c2ad691174b8af2e8b158d8840cfc93f75d7db71
2012-09-10 15:02:32 +00:00
mistachkin
2b434a7ec0
Move variable declaration to fix compilation with MSVC.
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FossilOrigin-Name: d45f7a013f05fe7603d5e6d02df0e6bab2c7ffd8
2012-06-19 04:36:48 +00:00
drh
72b3fbc7b5
Improved accuracy on text-to-real and real-to-text conversions. Most
...
conversions now round-trip correctly. Still need to fix some corner
cases.
FossilOrigin-Name: 8ecffca900cd6a8922001fd458a266ce8c83fb66
2012-06-19 03:11:25 +00:00
drh
a748fdcc43
Evaluate typeof(X) and length(Y) where X is any column and Y is a blob column
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without actually loading X and Y from disk.
FossilOrigin-Name: b899dbeb60752843287e2c6ad3577e1d00f0d587
2012-03-28 01:34:47 +00:00
drh
af8001bfb3
Another attempt to fix warnings in the randomFunc() function.
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FossilOrigin-Name: 768df4e11670ac704d96e3b601d009aaa2fd793a
2012-02-11 19:53:24 +00:00
drh
96d7b510e9
Fix a warning coming from the Solaris Studio compiler.
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FossilOrigin-Name: 33294bbd1724665832464b33f865a29dc82b90f6
2012-02-10 20:43:05 +00:00
drh
94a6d998f6
Fix a problem with NULL handling in aggregate min/max when returning
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values from the row containing the min or max.
FossilOrigin-Name: f27c7b4fb193126548e6a620ac89664d1efa3856
2012-02-02 18:42:09 +00:00
drh
7a95789c0c
For queries of the form "SELECT p, max(q) FROM t1", the value of column p
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returned is the one on the same row that holds the maximum value of q.
FossilOrigin-Name: adb29232b659c5332b6841776372407fcc350b08
2012-02-02 17:35:43 +00:00
drh
df901d34e5
Simplifications to the upper() and lower() SQL functions.
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Updates to documentation on sqlite3_bind_text() and sqlite3_result_text()
to make it clear that users should not try to create strings with
embedded NULs and that if they do the result of expression on those strings
is undefined. Ticket [57c971fc74524a]
FossilOrigin-Name: 9984cc20ca70b7fb39c0b99580a1317a7b0c9c85
2011-10-13 18:00:11 +00:00
drh
1aa4f3e529
Fix a couple of compiler warnings.
...
FossilOrigin-Name: 3899f3b95ed50773a72d907b39b451fefce69c9e
2011-06-15 12:43:36 +00:00
drh
0a32fa6d81
Use only unsigned values in the implementatin of LIKE and GLOB so that
...
values won't overflow to negative when dealing with malformed UTF8.
FossilOrigin-Name: 77f01578bb565d1bc884b374b68bae10ce34a084
2011-06-13 12:19:21 +00:00
drh
840561f2a4
Change the name of an internal function to avoid conflicts with the math
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library.
FossilOrigin-Name: 1bd1484cd7e09709d87aa84b82e87597d00a4162
2011-04-27 18:08:42 +00:00
drh
3ca84ef623
Add the (deliberately undocumented) sqlite_log() SQL function as a built-in.
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FossilOrigin-Name: f7806e03995b314771aa72a08ce55d56d60096cf
2011-04-25 18:03:10 +00:00
drh
158b9cb965
Fix all known instances of signed-integer overflow. Within SQL expressions,
...
integer overflow now forces coercion to floating point. The shift operators
work with any integer right-hand operand with negative values reversing
the direction of the shift.
FossilOrigin-Name: abf21394124a0af46f072793718964cee2ce55d0
2011-03-05 20:59:46 +00:00
drh
cfd654bf2a
Fix an instance of signed arithmetic overflow and an one bit-shift overflow.
...
Mark six other signed arithmetic overflow locations that need fixing.
FossilOrigin-Name: 04abab71ecd52f6070b9f84781a3df3d6dba7722
2011-03-05 13:54:15 +00:00
drh
901e994b8b
When registering the built-in LIKE and GLOB functions, make sure that they
...
are tagged with SQLITE_UTF8 so that if other application-defined LIKE and
GLOB implementations are provided for UTF16, then the appropriate function
will be selected.
FossilOrigin-Name: e1660764f20fed3fe92156d2b7f06075ff6ac145
2010-12-15 18:54:37 +00:00
drh
9339da1f22
Rework the text to numeric conversion routines so that they work with either
...
UTF8 or UTF16 and do not require a NULL terminator. This allowed text to
numeric conversion without reallocating the string.
FossilOrigin-Name: 14eed3a0e0a45c6f2904a3a134aa27c159916f7b
2010-09-30 00:50:49 +00:00
drh
6ac78a0d9f
Fix several harmless compiler warnings.
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FossilOrigin-Name: 7be03ecc04235420e54fed8a88742243278de160
2010-09-28 14:26:36 +00:00
dan
d2199f0f8d
Add the sqlite3_create_function_v2() API, a version of create_function that allows a destructor to be specified.
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FossilOrigin-Name: 9a724dfbe822c77e76721abe3443c9cb018bb2e2
2010-08-27 17:48:52 +00:00
drh
a3e414cd48
Fix disabled implementation-mark comments in func.c.
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FossilOrigin-Name: 57c0960038b8ce97f9d6665f15e7f6ec310c681f
2010-08-03 18:06:25 +00:00
