fd35797469
Infrastructure for the DISTINCT keyword in aggregate functions. But it does
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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
b4746b9e33
Defend against disk I/O errors that happen during an sqlite3OsSeek(). (CVS 2679)
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FossilOrigin-Name: 461e3a0a27ff083b0bae10c9880e3b41bb85ee31
2005-09-09 01:32:06 +00:00
c2bd913a40
SUM returns NULL when it has no inputs. Ticket #1413 . (CVS 2678)
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FossilOrigin-Name: 6281859425d39c11d82875301fefafad1f08416d
2005-09-08 20:37:43 +00:00
3f219f46fc
A SUM() of all NULLs returns NULL. A SUM() of nothing return 0.
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A SUM() of a mixture of NULLs and numbers returns the sum of the
numbers. Ticket #1413 . (CVS 2677)
FossilOrigin-Name: 2e6230edfd651b40481ebad8aa01a22ac92ce80c
2005-09-08 19:45:57 +00:00
825c662e66
Remove a C++ism that snuck in on one of the reason changes. (CVS 2676)
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FossilOrigin-Name: 48f6a331efea419fe948cd366f9c60ae41edddfd
2005-09-08 19:01:05 +00:00
4f26bb62a8
Remove a few unused variables detected by Borland C. Ticket #1412 . (CVS 2675)
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FossilOrigin-Name: cdfe372a958fb446485913e860d52b87fffd34e4
2005-09-08 14:17:20 +00:00
97571957a1
Aggregates with GROUP BY can sometimes return no result rows. (CVS 2674)
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FossilOrigin-Name: 0c3e368d4766685b94a44f2c514e2dea806c297c
2005-09-08 12:57:28 +00:00
eb796a7c8f
While doing a transaction comment, use fdatasync() instead of fsync() in
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cases there the file size is unchanged. (CVS 2673)
FossilOrigin-Name: 3c555a87493128620ac967faf7c63c2a58856e9e
2005-09-08 12:38:41 +00:00
3224b32b00
Fix a comment in sqlite.h. Ticket #1321 . (CVS 2670)
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FossilOrigin-Name: ed4e9e751be2b982af9561aba20c8e1367828b81
2005-09-08 10:58:51 +00:00
3d1d95e625
The SUM() aggregate function returns an integer result if all inputs are
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integers. Any single non-integer input causes the result to be a floating
point value. (CVS 2669)
FossilOrigin-Name: 21adf4bd99e732650a1e8e9a1cc954126983a654
2005-09-08 10:37:01 +00:00
d49c16ee9b
Changes to comments only in sqliteInt.h. No changes to code. (CVS 2668)
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FossilOrigin-Name: cc2a61650ea0d4b2ef67e144424327362999526d
2005-09-08 02:00:25 +00:00
9d2985c7b4
Optimizations and refinements. Improvements to test coverage. (CVS 2667)
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FossilOrigin-Name: 7283f7c29db4f622380b6a5cb745a4dc0c8e6a25
2005-09-08 01:58:42 +00:00
5360ad34b1
All regression tests now pass. But I am sure there must still be problems.
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New tests need to be added. (CVS 2666)
FossilOrigin-Name: bcc7d722cea4487a3adf9d9b2af4b74bfbfc5f39
2005-09-08 00:13:27 +00:00
d1c301e804
More bug fixes. All of the "quick" tests pass. The full test suite still
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shows problems. (CVS 2665)
FossilOrigin-Name: a1b6d910cdbb53f12366402d9585dce2aad3ba3d
2005-09-07 23:05:21 +00:00
5774b80629
More bug fixes. But there are still tests that fail. (CVS 2664)
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FossilOrigin-Name: 7e85a162d0ecf0acdbffcacc62b60d97fe123881
2005-09-07 22:48:16 +00:00
a10a34b88f
Bug fixes in aggregate processing. Fewer tests fail. (CVS 2663)
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FossilOrigin-Name: c3ac58592f5e6305640868cdf42c129f1a25255d
2005-09-07 22:09:48 +00:00
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
79158e1865
Changes to reduce the amount of stack space required. (CVS 2661)
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FossilOrigin-Name: b86bd70f301205d6ca66475a425e157b976107e2
2005-09-06 21:40:45 +00:00
abfcea25ea
Cleanup the processing of MEM_Agg elements. (CVS 2660)
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FossilOrigin-Name: 7ecf3654aa9a275a4cf0c3ec5f63a8c1e0a11fc9
2005-09-06 20:36:48 +00:00
1ec43c9a5a
Fix ANALYZE so that it works even if the empty_result_callbacks pragma is
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enabled. Ticket #1409 . (CVS 2659)
FossilOrigin-Name: bfdaef1224d741deefe211e1e607bac4c80f2d89
2005-09-06 10:26:47 +00:00
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
c092998715
Use the unicode API to win32 where available.
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Tickets #1407 , #1396 , #1331 , #1243 , #1206 (CVS 2656)
FossilOrigin-Name: 3ec58c673ae4cf0695ea0c287cc9bcbdcdb1a200
2005-09-05 19:08:29 +00:00
a21c8495f9
Fix over-aggressive optimization of ORDER BY as reported on the mailing list. (CVS 2655)
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FossilOrigin-Name: efbb4bc83cd86b6a26d58c5818c58c2e3edaab18
2005-09-01 17:47:51 +00:00
4db38a7092
All regression tests now pass with the new bounded-memory sort code.
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There is still lots of opportunity for optimization, however. (CVS 2654)
FossilOrigin-Name: 81259a01f1e85ba50a1d017b1282bf841b16f0a5
2005-09-01 12:16:28 +00:00
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
dece1a8464
{quote: KeyInfo} generation moved to a common subroutine. (CVS 2652)
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FossilOrigin-Name: a25801df06e218e70570a6b9eae71603d590fe3a
2005-08-31 18:20:00 +00:00
37108e112a
Explicit typecasts to silence nuisance compiler warnings. Ticket #1398 . (CVS 2650)
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FossilOrigin-Name: 90712ea7273597214d6c77a01e41f84146d201c8
2005-08-31 13:13:31 +00:00
0a8640d4f2
The CSV output mode does not sign-extend bytes where the high-order bit is set.
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Ticket #1397 . (CVS 2644)
FossilOrigin-Name: 528df777e5d76077d8766f04ee222fd64d9373a6
2005-08-30 20:12:02 +00:00
63782855ee
Fix printf.c so that it handles 10.0 correctly. (CVS 2643)
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FossilOrigin-Name: 0f7a53f78d9dd5c426be834f2d50a6fe4e860141
2005-08-30 19:30:59 +00:00
5d9a4af9af
Minor code enhancements. (CVS 2642)
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FossilOrigin-Name: 4ab994a87ee844f453d693555abd61b51bb44a0e
2005-08-30 00:54:01 +00:00
01b4171e57
Make the shell aware of SQLITE_OMIT_MEMORYDB. Ticket #1395 . (CVS 2640)
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FossilOrigin-Name: 71a71cef5b3c97744322ceceb48ac3055512c987
2005-08-29 23:06:23 +00:00
19e2d37f1d
Increase resolution of time-of-day on unix. Add an experimental
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sqlite3_profile() API. (CVS 2639)
FossilOrigin-Name: ed2ca0873fa89d6cfd123541d5d1c6b92c72b6ab
2005-08-29 23:00:03 +00:00
b46b57745d
Initialize a local variable to avoid a nuisance compiler warning.
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Ticket #1394 . (CVS 2638)
FossilOrigin-Name: 9b914901a18f8ea39c39a51509c0b3b862c13d6a
2005-08-29 16:40:52 +00:00
d64fe2f374
The LIKE optimization does the right thing when collating sequences are
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present. LIKE expressions where the left-hand side has COLLATE NOCASE
are optimized in the default case. (CVS 2637)
FossilOrigin-Name: ef84ff795c85e9d28f1cac84ff42d8d4ef84cfc4
2005-08-28 17:00:23 +00:00
bfd6b03554
Improvements to the formatting and layout of the code in the previous checkin. (CVS 2636)
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FossilOrigin-Name: 73b430de0c0f3cd230861fc1a53691818f17de0d
2005-08-28 01:38:44 +00:00
de941c605e
Add an assert to verify that floating point values and integers use the
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same byte order. Add a comment to the SELECT code generator. (CVS 2635)
FossilOrigin-Name: 07b4892149a436dbd904c781b46e3b9a82a7a744
2005-08-28 01:34:21 +00:00
2c8997b9a5
Disable synchronous writes to the master journal when PRAGMA synchronous=OFF
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for all database files. Ticket #1375 . (CVS 2630)
FossilOrigin-Name: 644b96aa23de7e828280d35785db840a4fa9413d
2005-08-27 16:36:48 +00:00
9cc5abd769
Fix comment in vdbeapi.c. Remove unused structure definition from func.c. (CVS 2629)
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FossilOrigin-Name: 51a381345db45967567dd0a18905d352bf1081e0
2005-08-27 13:16:32 +00:00
6e4b7cd4ef
Do not change fields of stale sqlite3 handles. Ticket #1384 . (CVS 2626)
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FossilOrigin-Name: 7e05b7ca0ce72b1c6125196f4b21bbb676bc488c
2005-08-27 01:51:44 +00:00
e69cc5b742
Widen the opcode column of explain output in the shell. (CVS 2625)
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FossilOrigin-Name: dd3b00aa0bf3b847b0b2f20f6df60d4e3a2d81df
2005-08-27 01:50:53 +00:00
87abf5c033
When the left-hand side of an IN operator is constant and the right-hand
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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
0f77f5dc0b
Additional defense against the rowid-fifo overflow problem. (CVS 2622)
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FossilOrigin-Name: 881dcf5fb16997830ff347d2eb2610784b415f25
2005-08-24 17:07:37 +00:00
978468d488
Remove a stray C++ style comment causing problems for some compilers. (CVS 2621)
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FossilOrigin-Name: aa7dd3f2c72335fe7778c021e4b6bbbc4ec322df
2005-08-24 16:54:05 +00:00
3ca84ba0a0
Fix a bug in DELETE that might cause a segfault when deleting more
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than 40940 rows of data all at once. (CVS 2620)
FossilOrigin-Name: 7c599bae33ba4eb10fc486ae3dab76330ce69936
2005-08-24 16:13:51 +00:00
9eb2028fbc
After calling realloc() on an array to resize it, be sure not to use pointers
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into the old array. Ticket #1376 . (CVS 2617)
FossilOrigin-Name: 9f9a257123274779150cbc290b9f86a09b3b2c03
2005-08-24 03:52:18 +00:00
7681618c18
Allow floating point literals to being or end with a decimal point.
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Ticket #1371 . (CVS 2616)
FossilOrigin-Name: a715e7001247e84e0982335570593f0802774635
2005-08-23 11:31:26 +00:00
6c8c6cec1f
Handle empty blob constants correctly. Ticket #1373 . (CVS 2615)
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FossilOrigin-Name: 5cada745ac9bf18a65d21705a398b2bb8bd1aaa2
2005-08-23 11:17:58 +00:00
ad81e87054
Clean up possible locking problem in multithreaded applications that take
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a malloc failure. (CVS 2611)
FossilOrigin-Name: 545e702a23c7a6b09e10441d4137efe5a9618a84
2005-08-21 21:45:01 +00:00
130b9f4040
Do not create an error message if there is no error. (CVS 2607)
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FossilOrigin-Name: 3aa47c5587819a5fc3e2cb53a7fbc79ba65f0c3b
2005-08-21 17:48:46 +00:00
992f2d781d
Do not overwrite small files (less than 1024 bytes) that are not databases.
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Ticket #1370 . (CVS 2606)
FossilOrigin-Name: 7f4302686e55f22b281d98a8a3b89300f4ce4eb6
2005-08-21 16:54:25 +00:00
drh