drh
647cb0e159
Add the sqlite_version() SQL function as a built-in. (CVS 777)
...
FossilOrigin-Name: 7c8c0e7633dca00bde7bc7c22075f688c034c200
2002-11-04 19:32:25 +00:00
drh
193a6b4142
More rollback problems: Fix two more errors introduced by checking (410) that
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can cause database corruption after a ROLLBACK. Also add new tests to make
sure everything is working this time. (CVS 663)
FossilOrigin-Name: f6e24d5ccbcfcf5863ffbd65860dafa2f5663e99
2002-07-07 16:52:46 +00:00
drh
c9b84a1fb1
This patch contains the beginnings of the data-typing infrastructure.
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The new build-in TypeOf() function is added. New opcodes for doing
pure text comparisons are added. Most changes are disabled pending
the 2.6.0 release. (CVS 632)
FossilOrigin-Name: cbbc858d973c2d515c6a2464981316549a241b73
2002-06-20 11:36:48 +00:00
drh
28f4b6885b
Fix the spelling of sqliteRegisterBuiltinFunctions(). (CVS 613)
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FossilOrigin-Name: 74d297d97e66452acc5c21048ee8ddf2a90c846f
2002-06-09 10:14:18 +00:00
drh
f570f011eb
Refinements to NULL processing: NULLs are indistinct for DISTINCT and UNION.
...
Multiplying a NULL by zero yields zero. In a CASE expression, a NULL comparison
is considered false, not NULL. With these changes, NULLs in SQLite now work
the same as in PostgreSQL and in Oracle. (CVS 600)
FossilOrigin-Name: da61aa1d238539dff9c43fd9f464d311e28d669f
2002-05-31 15:51:25 +00:00
drh
739105c72c
Built-in aggregate functions (MIN, SUM, AVG, etc) should ignore NULL entires. (CVS 597)
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FossilOrigin-Name: 19ae12bef210ae5fe171f10833faa38d640c129f
2002-05-29 23:22:23 +00:00
drh
8912d106e1
Change functions to handle NULLs correctly. Added the NULLIF() function. (CVS 590)
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FossilOrigin-Name: 46ce1a9ab6e527958ebc757fa2175c488299cd84
2002-05-26 21:34:58 +00:00
drh
0ac6589202
Fix for ticket #1 : Implement the GLOB and LIKE operators as functions that
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can be overridden. This way, a developer can change the LIKE operator to
be case sensitive, for example. (CVS 537)
FossilOrigin-Name: 51572bf71774d7631c7083be90b806e621bc9bee
2002-04-20 14:24:41 +00:00
drh
6ed41ad735
Added the last_insert_rowid() SQL function. (CVS 521)
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FossilOrigin-Name: 6aca3f86bc08849e9d806fdd490f98e4daf71025
2002-04-06 14:10:47 +00:00
drh
ef2daf547d
Updates to the documentation. Changed version number to 2.4.0-beta1 (CVS 417)
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FossilOrigin-Name: 36a8fe0ad0ee2a67afafc04125dcc085ec1b5a13
2002-03-04 02:26:15 +00:00
drh
f9ffac96a7
Change the btree node balancers to sort nodes into accending order. This
...
improves insert and delete speed by 25%. (CVS 409)
FossilOrigin-Name: abbb999d4fc3fe142567b6ede5e625e7bf0da714
2002-03-02 19:00:31 +00:00
drh
47c8a67907
Fix bugs in substr() for UTF-8. (CVS 406)
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FossilOrigin-Name: e9fd9e7b0fed445b48e7024ecde0354fff1478a6
2002-02-28 04:00:12 +00:00
drh
653bc75992
Remove unused opcodes from the VDBE and fix a bug in the substr() function. (CVS 405)
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FossilOrigin-Name: e8611e0c052ddac477f83df485fa5dc882593de0
2002-02-28 03:31:10 +00:00
drh
fbc990826c
Change the IFNULL and NVL functions to COALESCE. Change MIN and MAX so that
...
they require at least one argument. (CVS 404)
FossilOrigin-Name: 7d86749d4a78d05930bae2b6491d9428f06fe836
2002-02-28 03:14:18 +00:00
drh
89425d5e02
The new function code passes regression tests. (CVS 403)
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FossilOrigin-Name: b00cf110b1cc671b7200a5ce8b9e704f660763c9
2002-02-28 03:04:48 +00:00
drh
f55f25f02f
Fix the coredump. There are still problems in the test suite though. (CVS 402)
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FossilOrigin-Name: 6af10cc53acc1ffa60de3f0d5880a6b72815404c
2002-02-28 01:46:11 +00:00
drh
3212e18238
Added IFNULL and NVL functions. (CVS 401)
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FossilOrigin-Name: c6a85c8ee3d653a294bcc033ac6cab2b6de06f96
2002-02-28 00:46:26 +00:00
drh
0bce8354b4
Completely remove the old SQL function system and replace it with the
...
new user functions. The code currently compiles but it coredumps on the
test suite. Do not use in its present state. (CVS 400)
FossilOrigin-Name: 50797fee5066ec9ea23b720e5ab7e8fc8ccc1988
2002-02-28 00:41:10 +00:00
drh
dd5baa95e8
Try to reduce the number of malloc() for user-defined functions. Begin
...
transfering built-in functions over to the user-define function
mechanism. (CVS 399)
FossilOrigin-Name: c4f9e017b449d4036fa8d2bf77b931d4c31d74f7
2002-02-27 19:50:59 +00:00
drh
1350b030c1
Revise the API for user-defined functions. (CVS 398)
...
FossilOrigin-Name: 633951f0fa11c91f93aa2862df84691750c01e73
2002-02-27 19:00:20 +00:00
drh
a2ed56016f
Comment changes only. (CVS 395)
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FossilOrigin-Name: 63b87f2ea6cd78f039bf40026d21b18de20b3ba7
2002-02-26 23:55:31 +00:00
drh
d3a149efca
Added a "stddev()" aggregate function for testing the new user aggregate
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function interface. (CVS 393)
FossilOrigin-Name: 2198109712ccf988f93db5740a4f248e80fb9f5d
2002-02-24 17:12:53 +00:00
drh
dc04c58360
Move the build-in function definitions into a new source file "func.c". (CVS 391)
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FossilOrigin-Name: 530b0f4f2def89e200b7b0724a5967bf981bd91d
2002-02-24 01:55:15 +00:00
