drh
6f7adc8a80
Automatically deallocate thread-specific data when it is no longer
...
being used. Ticket #1601 . Also implemented the suggestion of
ticket #1603 . Memory management is now off by default at compile-time.
The sqlite3_enable_memory_management() API has been removed. (CVS 2919)
FossilOrigin-Name: 5d9c6aa964305c3f36741ff0058da5b5f3ce0d24
2006-01-11 21:41:20 +00:00
danielk1977
b3bf556ef6
Store collation sequence names instead of pointers in sharable schema data structures. (CVS 2904)
...
FossilOrigin-Name: 0f0213be4d064b3d24e31ff93ec16f6862003d26
2006-01-10 17:58:23 +00:00
danielk1977
14db26653a
Fix some errors to do with attached databases and text encodings in shared-cache mode. (CVS 2895)
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FossilOrigin-Name: 3e75d3d5efebc0dfff1adfc13d85e85ec39db3eb
2006-01-09 16:12:04 +00:00
danielk1977
e501b89ada
Rename DbSchema to "Schema" and SqliteTsd to "ThreadData". (CVS 2893)
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FossilOrigin-Name: 82b81f69c78cb3f54634d9aea4f6a838474dc5e5
2006-01-09 06:29:47 +00:00
danielk1977
da18423620
Add the shared schema/pager modifications. Very few tests so far. (CVS 2859)
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FossilOrigin-Name: deeda0dc06c1595aedd8d06a0c4e88a8abf78cf7
2006-01-05 11:34:32 +00:00
drh
f93339decb
Always case 0 to (char*) on varargs functions. Otherwise there are problems
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on 64-bit machines. (CVS 2854)
FossilOrigin-Name: 837dc77ff9f5271b7e1bb8602fc021670c7802d1
2006-01-03 15:16:26 +00:00
drh
2646da7e52
Clean up annoying (and pointless) compiler warnings about differing signedness. (CVS 2810)
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FossilOrigin-Name: 83a59151559d9496d4f546e03e65087ea974717d
2005-12-09 20:02:05 +00:00
danielk1977
261919cc16
Some elements of the new malloc() failure handling. Not all cases work properly yet. Also, library is not threadsafe if malloc() fails right now. (CVS 2800)
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FossilOrigin-Name: e1606658f1b4530e3001db4779b5669c8d13c853
2005-12-06 12:52:59 +00:00
drh
9cbe635219
Make the OsFile structure opaque with its internal structure known only to
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the appropriate os_*.c implementation. Omit the os_unix.h and os_win.h
include files. The crash tests are broken by this patch. (CVS 2791)
FossilOrigin-Name: 058f31753871b16b40fe4048e3adcee411e0f87d
2005-11-29 03:13:21 +00:00
drh
9267bdcecd
Replace a call to sprintf() with sqlite3MPrintf() since on some embedded
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platforms, sprintf() is busted. Need to go through and do similar replacements
elsewhere in the code. (CVS 2790)
FossilOrigin-Name: 1b4f2d89bbe833359cefcea580783fd92aa7b8ab
2005-11-28 12:36:35 +00:00
drh
7e56e71125
Do not allow aggregate functions in a WHERE clause. Ticket #1514 . (CVS 2769)
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FossilOrigin-Name: bb866ed880c33ec9ce6ded8ebdbb459fedf9c257
2005-11-16 12:53:15 +00:00
drh
8a51256c0c
Create separate affinities for INTEGER and REAL. (CVS 2766)
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FossilOrigin-Name: ce06c123d0c5663dbaf263c2e0aaf5d9cdeb2ccd
2005-11-14 22:29:05 +00:00
drh
8a9f38feb2
Remove a C++-ism that slipped into the code during the recent CHECK
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enhancements. Ticket #1513 . (CVS 2762)
FossilOrigin-Name: e66289b52f56c8242aa264a9365c834cd820e988
2005-11-05 15:07:55 +00:00
drh
4284fb0778
Prohibit parameters in CHECK constraint expressions. (CVS 2758)
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FossilOrigin-Name: bb94ef64b227839a0ef4156985e2f5a061a78e2c
2005-11-03 12:33:28 +00:00
drh
06f6541e2f
Disallow subqueries in CHECK constraints. (CVS 2756)
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FossilOrigin-Name: db27afc4cdc5b51c1fa0e83dbd6d4a4a69c5b642
2005-11-03 02:03:13 +00:00
drh
ffe07b2dc1
First cut at supporting CHECK constraints. Everything appears to work,
...
but much more testing is needed as well as documentation. (CVS 2754)
FossilOrigin-Name: 2313d912baeca0fd516d524f16708953de483729
2005-11-03 00:41:17 +00:00
drh
8df447f0e6
Omit the SQLITE_AFF_INTEGER type affinity. All numeric values are now
...
of type real, though an integer representation is still sometimes used
internally for efficiency. (CVS 2753)
FossilOrigin-Name: e0d6f61c7de2c03b8fd17ef37cf1a0add36ee618
2005-11-01 15:48:24 +00:00
drh
ec7429ae27
More efficient handling of the LIMIT clause. Scalar subqueries and EXISTS
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on compound SELECT statements now working properly. Ticket #1473 . (CVS 2747)
FossilOrigin-Name: edca8913ca012fc0c17343a27f819de95147b1bd
2005-10-06 16:53:14 +00:00
drh
8e647b8191
Fix an uninitialized structure member that was causing a malfunction when
...
you used deeply nested and very complex views. Ticket #1449 . (CVS 2733)
FossilOrigin-Name: 352cc9f53b7724621ecbf3a6362f34c31a18cce8
2005-09-23 21:11:53 +00:00
drh
d654be803f
Code cleanup and simplification. Three new Mem opcodes added.
...
The sqlite3VdbeJumpHere function added. (CVS 2730)
FossilOrigin-Name: 2471957feee57538e5e1e50a704a337f0927d10e
2005-09-20 17:42:23 +00:00
drh
53f733c7ae
Fix a whole host of newly discovered memory leaks the occur after a
...
failure of realloc(). (CVS 2696)
FossilOrigin-Name: 4686d649756a0aa301ade901ac49c89a976c5402
2005-09-16 02:38:09 +00:00
drh
fd35797469
Infrastructure for the DISTINCT keyword in aggregate functions. But it does
...
not work yet. If you try to use it you get an error message. (CVS 2680)
FossilOrigin-Name: 4d62e36fe3819c2a1412737c2ec8a91ddc5e1777
2005-09-09 01:33:19 +00:00
drh
5774b80629
More bug fixes. But there are still tests that fail. (CVS 2664)
...
FossilOrigin-Name: 7e85a162d0ecf0acdbffcacc62b60d97fe123881
2005-09-07 22:48:16 +00:00
drh
13449892ef
Rewrite the aggregate handling logic so that it runs in O(1) space.
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This is the first cut at the code. Many regression tests fail. (CVS 2662)
FossilOrigin-Name: 17039ec3ff4396862beedf4a8af89654b2140f58
2005-09-07 21:22:45 +00:00
drh
d81bd4e209
Fix bugs introduced by checkin (2656) and do some modest code enhancements. (CVS 2657)
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FossilOrigin-Name: 7b56763a8b514834198d2392639d6d726b17d901
2005-09-05 20:06:49 +00:00
drh
0342b1f542
Sorting is now done using a sorting index rather than loading the entire
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result set into memory and doing a merge sort. The old merge sort technique
was a carry-over from SQLite version 1. The new method uses a bounded amount
of memory and scales to much larger result sets. There are still errors:
some 39 regression tests fail. (CVS 2653)
FossilOrigin-Name: 09db0a24241f9248584250d1728117b8a3159626
2005-09-01 03:07:44 +00:00
drh
5d9a4af9af
Minor code enhancements. (CVS 2642)
...
FossilOrigin-Name: 4ab994a87ee844f453d693555abd61b51bb44a0e
2005-08-30 00:54:01 +00:00
drh
87abf5c033
When the left-hand side of an IN operator is constant and the right-hand
...
side is a SELECT, recognize that the IN operator is not constant.
Ticket #1380 . (CVS 2624)
FossilOrigin-Name: fc9e04609b6968fc5039a6f9f808aac681f4fc41
2005-08-25 12:45:04 +00:00
drh
978468d488
Remove a stray C++ style comment causing problems for some compilers. (CVS 2621)
...
FossilOrigin-Name: aa7dd3f2c72335fe7778c021e4b6bbbc4ec322df
2005-08-24 16:54:05 +00:00
drh
6c8c6cec1f
Handle empty blob constants correctly. Ticket #1373 . (CVS 2615)
...
FossilOrigin-Name: 5cada745ac9bf18a65d21705a398b2bb8bd1aaa2
2005-08-23 11:17:58 +00:00
drh
f14fd03899
Additional tests for better coverage. (CVS 2602)
...
FossilOrigin-Name: 4281a838f2f531af24b008d2834e8318798472c5
2005-08-19 03:03:51 +00:00
drh
c182d16302
General code cleanup resulting in smaller footprint. (CVS 2595)
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FossilOrigin-Name: 98338abf9e8cfbf8efa81cff0e40ea37e34fd9b2
2005-08-14 20:47:16 +00:00
drh
bb7ac00bf0
Improved error message when a #NNN parameter appears on user input.
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Additional coverage testing. (CVS 2582)
FossilOrigin-Name: 3c00f5982ae61dfcd26c33ccdb81736628dbfce5
2005-08-12 22:58:53 +00:00
drh
d2687b7731
Optimize LIKE and GLOB operators in the WHERE clause. Code passes all
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regression tests but still needs additional tests. (CVS 2581)
FossilOrigin-Name: 3edbe8d6217fd1180883e6b9f1e5b9011a39f80d
2005-08-12 22:56:09 +00:00
drh
6c30be8e51
Optimizer now converts OR-connected WHERE-clause terms into an IN operator so
...
that they can be used with indices. There are known problems with the
ORDER BY optimization in this and in several prior check-ins. This
check-in is not recommended for production use. (CVS 2569)
FossilOrigin-Name: d23c8bf81e508722e92ff1b9c8bc98dc026a31f2
2005-07-29 15:10:17 +00:00
drh
29dda4ae65
Split the OP_Integer opcode into OP_Integer and OP_Int64. This allows
...
comments to be added to OP_Integer. Cleanup in the optimizer. Allow
terms of the FROM clause to be reordered automatically. (CVS 2556)
FossilOrigin-Name: e2f822ac82d0a5a59de0b63cce65d4fd6c178ff1
2005-07-21 18:23:20 +00:00
drh
fe05af87f8
In where.c, split out the code that selects an index into a separate
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subroutine. (CVS 2554)
FossilOrigin-Name: c30cbba9ead1b4d07f225b1e8a65d5d5230ea45d
2005-07-21 03:14:59 +00:00
drh
57dbd7b324
Allow the IN operator to take a list of arbitrary expressions on its
...
right-hand side. The expressions no longer need to be constant. The
current implementation seems to work but needs more testing and optimization. (CVS 2542)
FossilOrigin-Name: ba56478dd8bc2135749966ff55831fd497883781
2005-07-08 18:25:26 +00:00
drh
9170dd7e1c
Change the name of the OpenTemp opcode to OpenVirtual which is more
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descriptive of what it does. (CVS 2541)
FossilOrigin-Name: 3bb9ce5f20d0a6bc19df31df9b8e82044c3e6004
2005-07-08 17:13:46 +00:00
drh
eb55bd2fe9
Allow the DEFAULT value of a column to be obtained by calling a
...
function that has constant arguments, such as julianday('now'). (CVS 2534)
FossilOrigin-Name: d273766ef2442eb87971b07f9ecf5682c88298ee
2005-06-30 17:04:21 +00:00
drh
487e262f44
Remove the blob(), text() and numeric() functions added in (2524) and
...
replace them with the standard CAST operator.
Ticket #1287 . (CVS 2527)
FossilOrigin-Name: 17631785f9ee8ab280c82677eb53886912e085bc
2005-06-25 18:42:14 +00:00
drh
288d37f1b4
Allow parameters to be introduced by characters ':', '$' and '#'. This
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is an experimental change. (CVS 2523)
FossilOrigin-Name: f3427a139c3bd4faf9134ec6290b3eb829c0a19f
2005-06-22 08:48:06 +00:00
drh
f0863fe568
Update older opcode names to be more meaningful in light of the latest
...
code design. (CVS 2506)
FossilOrigin-Name: 36f2da1f8d8d434f861ecad55c9d86549751c954
2005-06-12 21:35:51 +00:00
drh
ed8a3bb108
Reference count Table structures so that they are not deallocated too soon.
...
Ticket #1210 . (CVS 2498)
FossilOrigin-Name: e73d25c7419d580c47925494621df26d2fb9f27e
2005-06-06 21:19:56 +00:00
drh
873fac0cae
Avoid ambiguous column name errors when the column name is in the USING clause
...
of a join. Ticket #743 . (CVS 2495)
FossilOrigin-Name: 6a51bdeeff8312fa54fa2b1200f823428f35d605
2005-06-06 17:11:46 +00:00
drh
355ef36114
Naming the join columns in the result set of a natural join does not result
...
in an "ambiguous column name" error. Ticket #1217 . (CVS 2494)
FossilOrigin-Name: 265fb6079c0a4b7a93f063939436db494ff1d56c
2005-06-06 16:59:24 +00:00
drh
97903fef77
Remove the config.h file from the build. Ticket #1224 . (CVS 2480)
...
FossilOrigin-Name: 3e64f1ab417f371e9875915303b898c5b45f0807
2005-05-24 20:19:57 +00:00
danielk1977
fd9a0a45a7
Move a few things around to make building without the parser easier. (CVS 2479)
...
FossilOrigin-Name: 5fadb464eb77b4b998d8555f83401769960ea904
2005-05-24 12:01:00 +00:00
drh
b71090fdfb
The REGEXP operator is recognized. It tries to invoke a function named
...
regexp() which does not exist in the native build. But users who want to
can add an appropriate regexp() function using sqlite3_create_function(). (CVS 2478)
FossilOrigin-Name: 42a626ace126f730f33ecb6c41ac5679d6766a31
2005-05-23 17:26:51 +00:00
drh
15ccce1c0d
Make sure that the use of a double-quoted string literal does not trick
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the optimizer into using a correlated subquery when a static
subquery would suffice. (CVS 2477)
FossilOrigin-Name: ef4059e3afa1a61a9e59df00cdfedc57d8df9fec
2005-05-23 15:06:39 +00:00