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
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
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
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
d495d8c9a3
Two new SQL functions: unicode() and char().
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FossilOrigin-Name: 209b21085b9767f10f6ffb7c7cac756fcb74ded5
2013-02-22 19:34:25 +00:00
68c804b9ab
Fix a harmless compiler warning.
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FossilOrigin-Name: 12693deba9b8a47ad02ca4e32d5fba6006b0401c
2012-12-04 11:03:11 +00:00
d55e07296b
Implementation of the INSTR() SQL function, as found in SQL Server, MySQL,
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and Oracle.
FossilOrigin-Name: 49ccae964f3a8ae5aab87f56503121e09424545f
2012-10-25 03:07:29 +00:00
4261096124
Remove an unnecessary parameter from sqlite3Utf8Read() resulting in a slight
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performance increase.
FossilOrigin-Name: 8b962c94a2f829f71efdd0ca770469b02feea3e1
2012-09-17 18:56:32 +00:00
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
2b434a7ec0
Move variable declaration to fix compilation with MSVC.
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FossilOrigin-Name: d45f7a013f05fe7603d5e6d02df0e6bab2c7ffd8
2012-06-19 04:36:48 +00:00
72b3fbc7b5
Improved accuracy on text-to-real and real-to-text conversions. Most
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conversions now round-trip correctly. Still need to fix some corner
cases.
FossilOrigin-Name: 8ecffca900cd6a8922001fd458a266ce8c83fb66
2012-06-19 03:11:25 +00:00
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
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
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
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
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
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
1aa4f3e529
Fix a couple of compiler warnings.
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FossilOrigin-Name: 3899f3b95ed50773a72d907b39b451fefce69c9e
2011-06-15 12:43:36 +00:00
0a32fa6d81
Use only unsigned values in the implementatin of LIKE and GLOB so that
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values won't overflow to negative when dealing with malformed UTF8.
FossilOrigin-Name: 77f01578bb565d1bc884b374b68bae10ce34a084
2011-06-13 12:19:21 +00:00
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
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
158b9cb965
Fix all known instances of signed-integer overflow. Within SQL expressions,
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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
cfd654bf2a
Fix an instance of signed arithmetic overflow and an one bit-shift overflow.
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Mark six other signed arithmetic overflow locations that need fixing.
FossilOrigin-Name: 04abab71ecd52f6070b9f84781a3df3d6dba7722
2011-03-05 13:54:15 +00:00
901e994b8b
When registering the built-in LIKE and GLOB functions, make sure that they
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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
9339da1f22
Rework the text to numeric conversion routines so that they work with either
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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
6ac78a0d9f
Fix several harmless compiler warnings.
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FossilOrigin-Name: 7be03ecc04235420e54fed8a88742243278de160
2010-09-28 14:26:36 +00:00
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
a3e414cd48
Fix disabled implementation-mark comments in func.c.
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FossilOrigin-Name: 57c0960038b8ce97f9d6665f15e7f6ec310c681f
2010-08-03 18:06:25 +00:00
b975598ea0
Make sure all memory from sqlite3DbMalloc() is freed by sqlite3DbFree() and
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all memory from sqlite3_malloc() is freed by sqlite3_free().
FossilOrigin-Name: ac1f37a647e9ed1c00a901d26d9956a86c40117a
2010-07-24 16:34:37 +00:00
a4741840f6
Remove an unreachable branch from the function initialization logic.
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FossilOrigin-Name: 064d3ddd6199b7b049b1706974e4295f78fb5ab9
2010-04-25 20:58:37 +00:00
545f587fc8
When commands such as ALTER TABLE and VACUUM use SQL internally, make sure
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they use only the built-in functions and not application-defined overrides
for those functions.
FossilOrigin-Name: 0291ed974d5bf1e344e2c38422530cc961b897da
2010-04-24 14:02:59 +00:00
8bb76d39a0
Rename the sqlite_compile_option_*() SQL functions to sqlite_compileoption_*()
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for consistency with the C/C++ interface.
FossilOrigin-Name: dd4962aa34c4dd118d2cb15465384636eacc64d5
2010-02-26 16:37:47 +00:00
264a2d4de1
Minor simplifications to the compile-time option reporting functions and
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pragmas to facilitate coverage testing.
FossilOrigin-Name: 633d874783a94f923ff8240f9153764033d37a89
2010-02-25 15:28:41 +00:00
380083ce18
Merge the compile-time option introspection interfaces into the trunk.
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FossilOrigin-Name: 9f429434c0404f03a3e5c6741b769afe98a5c6c9
2010-02-23 20:32:15 +00:00
dc97a8cdc1
Refactored compile time option diagnostic support to use strings identifiers instead of bitmask.
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FossilOrigin-Name: 76a0294ab4208a0858a13bab0858e1bc1448b651
2010-02-23 20:08:35 +00:00
bdea6d1368
Test new api to report which options (defines) were used to compile SQLite.
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FossilOrigin-Name: 84c9756993caf82710a0905ed1987d144bc764fd
2010-02-23 04:19:54 +00:00
147e176aff
Avoid using the internal printf routine for round(x,y) in the common case where y==0.
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FossilOrigin-Name: d76ad8b3c494ffb4e670da0e92a1f8dbf7f48daf
2010-02-17 04:19:27 +00:00
ab2f1f9560
Add a few documentation evidence comments to the built-in function
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implementations.
FossilOrigin-Name: 8bd0f8147dbf75367243b3eecfb705da6e794ab7
2010-01-11 18:26:42 +00:00
2ba3cccf22
Add evidence marks for the abs() and soundex() SQL functions.
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FossilOrigin-Name: 003f3ed10cdb64b73d6df00e28260dd3491e1f16
2009-12-08 02:06:08 +00:00
779b8f126e
Update comment for substrFunc(). Added additional SUBSTR() test cases.
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FossilOrigin-Name: d7b3801dc7fad1b002f892fb5d82047ebff98369
2009-11-12 05:04:50 +00:00
4adc4cb93b
Tweaks to the SUBSTR() function to make it dramatically faster in the common
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case where the input string is large but the 2nd and 3rd arguments are small
positive integers.
FossilOrigin-Name: 5a474a867c5988ad5ec03719516fdd38f0da5c2c
2009-11-11 20:53:31 +00:00
ae6bb9570b
Generate VDBE code for the built-in COALESCE() and IFNULL() functions. This
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allows unused arguments to never be evaluated, which is a performance win when
the unused argument is a subquery.
FossilOrigin-Name: 30055b257c3c65f8123cad5ac6c62c4c6ca2c900
2009-11-11 00:24:31 +00:00
47baebc2a6
Incorporate fossil-scm version information into the build. Add the
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SQLITE_SOURCE_ID macro to the header. Add the sqlite3_sourceid() interface.
Add the sqlite_source_id() SQL function.
FossilOrigin-Name: 302dabe98f50b472bccd65c58504bc8a330049c4
2009-08-14 16:01:24 +00:00
8bfd719065
Make sure group_concat() ignores initial NULL values. (CVS 6787)
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FossilOrigin-Name: 90c3b23ccac8a9e7fc1cc831e43888e4e43badc9
2009-06-19 16:44:41 +00:00
8bfdf72136
Reorganize and cleanup the prepared statement object. Remove code that has
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been commented out for ages and is no longer relevant to anything. (CVS 6786)
FossilOrigin-Name: 37ae5f5e8feb34a8e6e8b34aa18df1e9a1ce55cb
2009-06-19 14:06:03 +00:00
50d654da3b
Additional changes to reduce stack usage. The SQLITE_SMALL_STACK compile-time
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option is now available. (CVS 6708)
FossilOrigin-Name: baea79fd0cfeb860973846c3f2776776c87f0ae3
2009-06-03 01:24:54 +00:00
33e619fc1c
Additional refinements to Expr handling. Restore compression of trigger
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expressions. Change Expr.zToken to Expr.u.zToken and added Expr.u.iValue.
Remove an unnecessary ExprDup from CHECK constraint processing. And so forth. (CVS 6682)
FossilOrigin-Name: 4ac2bdfbb4230b6ceaae87e738fa61036bbe03cb
2009-05-28 01:00:55 +00:00
b7916a78ff
Simplifications to the Expr object: Remove Expr.span completely and convert
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Expr.token into a char* Expr.zToken. Also simplify the Token object by
removing the Token.dyn and Token.quoted fields. (CVS 6681)
FossilOrigin-Name: 7cb1c3ba0759539cb035978fdaff6316775986f3
2009-05-27 10:31:29 +00:00
d54a79118a
Do not use deprecated interfaces internally when compiling with
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SQLITE_OMIT_DEPRECATED. Ticket #3813 . (CVS 6523)
FossilOrigin-Name: 7f17956dfbf3090fd5832378e77bd83a525fed9d
2009-04-20 12:07:37 +00:00
8dc09a0616
Fix the group_concat() function so that it inserts the separator string
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even if the initial content strings are empty. Ticket #3806 . (CVS 6510)
FossilOrigin-Name: b83fbf15a3920755ed77dc9c91b4f00a86ddb9ac
2009-04-15 15:16:53 +00:00
mistachkin