Commit Graph

2625 Commits

Author SHA1 Message Date
drh d2687b7731 Optimize LIKE and GLOB operators in the WHERE clause. Code passes all
regression tests but still needs additional tests. (CVS 2581)

FossilOrigin-Name: 3edbe8d6217fd1180883e6b9f1e5b9011a39f80d
2005-08-12 22:56:09 +00:00
drh 2db0bbc24b Improve the error message associated with SQLITE_FULL. Ticket #1353.
Also remove error messages for obsolete error codes SQLITE_INTERNAL,
SQLITE_NOTFOUND, and SQLITE_TOOBIG. (CVS 2580)

FossilOrigin-Name: fa7403c7d9948cc4a6c6ed00a614e3d6a3682e78
2005-08-11 02:10:18 +00:00
drh 4dcbdbff40 Add 2005 open source award badge and news announcement. (CVS 2579)
FossilOrigin-Name: 8e007f8c06748c5f02068c1f244bc8e3026e16fd
2005-08-11 01:25:22 +00:00
drh 1cd7f83ef5 Make sure the .import command strips newlines off the end of the last
field in each line imported.  Ticket #1348 (CVS 2578)

FossilOrigin-Name: 73fafd2148b8cd0f92747fca03e3df5778e1070f
2005-08-05 18:50:51 +00:00
drh 7018030d06 Comment out the use of memory high-water marks when not compiling with
SQLITE_MEMDEBUG. (CVS 2577)

FossilOrigin-Name: fb7a258fd35fdf81772b9d47711d30a30dfa4564
2005-08-02 21:42:16 +00:00
drh 45b1ee44a4 Minor refactoring of the new optimizer code. (CVS 2576)
FossilOrigin-Name: 868322f7b7176486dfb4b54d99cf6662b79e639d
2005-08-02 17:48:22 +00:00
drh 586e4b2f30 Update the documentation for the new transaction method on the TCL interface. (CVS 2575)
FossilOrigin-Name: 3dc823a0ac12f640a3c54fe1eb7be878d2738529
2005-08-02 17:38:19 +00:00
drh b5555e7e34 Tests and bug fixes on the new transaction method in the TCL interface. (CVS 2574)
FossilOrigin-Name: 68dd0ed5e312ecd5e98ee0fa1c21b70ff330f711
2005-08-02 17:15:14 +00:00
drh 09d0debf3b Fix a bug in the btree balancer. ticket #1346. (CVS 2573)
FossilOrigin-Name: 3af69a49289f52f321ccd365e92d22b820c3139e
2005-08-02 17:13:09 +00:00
drh 3d21423c65 Add the "transaction" coommand to the TCL interface. Untested. (CVS 2572)
FossilOrigin-Name: a5ce6c58c3bfc0e1c9953fe4ad4991ac56a4fb87
2005-08-02 12:21:08 +00:00
drh 943af3cda1 Fix problems caused by over-agressive optimization of ORDER BY in joins.
Lots more testing needed. (CVS 2571)

FossilOrigin-Name: 1a4e526d46280970b43505a5c8a4090767c63043
2005-07-29 19:43:58 +00:00
drh 2ce99ecf8b Fix authentication so that it works with AS aliases. Ticket #1338. (CVS 2570)
FossilOrigin-Name: cc7ae73ed01f0b89e31dd8de48b913bbd83887b8
2005-07-29 15:36:14 +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 ed37800693 The BETWEEN operator in a WHERE clause is now able to use indices. (CVS 2568)
FossilOrigin-Name: cdf8c9584b945212e065e044df801c207aedb675
2005-07-28 23:12:08 +00:00
drh a611040eea Test cases and tuning of the new optimizer code. (CVS 2567)
FossilOrigin-Name: 4b02703dec71aa78e5f8d8cab5b950966a4c6abc
2005-07-28 20:51:19 +00:00
drh 3adc9cedb0 The new optimizer now passes all regression tests. (CVS 2566)
FossilOrigin-Name: a21212843359fb9fdbd60799ae50ad3566f4399a
2005-07-28 16:51:51 +00:00
drh 28c4cf42da More work on the new optimizer. Fewer tests fail now. (CVS 2565)
FossilOrigin-Name: ee3a08e353f563c36e904479393fcb56f96ee975
2005-07-27 20:41:43 +00:00
drh 51147baa6d A new optimizer that breaks a lot of tests. But none of them critically, I
think.  Nevertheless, there is a lot of work ahead to stabilize the code. (CVS 2564)

FossilOrigin-Name: 86ce56ccea8297b1fba2b9ee53b5f1a3f228662f
2005-07-23 22:59:55 +00:00
drh 17a18f2f36 Store the total number of rows as part of the ANALYZE statistics. (CVS 2563)
FossilOrigin-Name: 868279c78e056d27b2d1bea81127fe689b2ce478
2005-07-23 14:52:12 +00:00
drh 497e446d76 The results of ANALYZE are now loaded into internal data structures where
they can be used.  But they are not actually used yet. (CVS 2562)

FossilOrigin-Name: 1996bacfb97180965304e2a6d6784b6ecbbf8575
2005-07-23 03:18:40 +00:00
drh e6e049694d Full-coverage testing and documentation for the ANALYZE command. The
results of analysis are still not loaded or used, however. (CVS 2561)

FossilOrigin-Name: bd7583a5d63412785a9c5de54d25b509da241605
2005-07-23 02:17:03 +00:00
drh ff2d5ea408 First code for the ANALYZE command. Mostly untested. The analysis is
not loaded into the symbol tables and is not used by the optimizer. (CVS 2560)

FossilOrigin-Name: a4886b114d2ccb3841d3d219f6b97f67745b13c2
2005-07-23 00:41:48 +00:00
drh d00ada9a00 Clarify the meaning of the TEMP keyword on CREATE TABLE. (CVS 2559)
FossilOrigin-Name: 1a573619f558d1d67775d17aabb9d704f82ad1a8
2005-07-22 23:56:49 +00:00
drh ed90e26313 Correct the documentation to show that sqlite3_column_text() returns
a NULL pointer (not an empty string) when the column value is NULL.
The same goes for sqlite3_column_blob().  Ticket #1334. (CVS 2558)

FossilOrigin-Name: fd1e013a14710ed2ecabddedc0d110562cfdbfc2
2005-07-22 22:53:15 +00:00
drh e23399fc9c Begin adding code to support multiple IN constraints on the same index. (CVS 2557)
FossilOrigin-Name: 103f8ccb9013689a480766ebffbf570d4aa8bac5
2005-07-22 00:31:39 +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 7ec764a29e Add comments to test cases. Improvements to the query plan test variable. (CVS 2555)
FossilOrigin-Name: ef3a157f469d72cbd2f713f997598ddf47f340d2
2005-07-21 03:48:20 +00:00
drh fe05af87f8 In where.c, split out the code that selects an index into a separate
subroutine. (CVS 2554)

FossilOrigin-Name: c30cbba9ead1b4d07f225b1e8a65d5d5230ea45d
2005-07-21 03:14:59 +00:00
drh 013972052e Extra memory usage instrumentation added. (CVS 2553)
FossilOrigin-Name: ac669f56c0759a7e3eaa6f0018c8fb9d614e7d69
2005-07-20 14:31:53 +00:00
drh e8b9727835 More refactoring in where.c. (CVS 2552)
FossilOrigin-Name: a35bd50af8961133adc66e40c38402e81a02bb56
2005-07-19 22:22:12 +00:00
drh 0fcef5e110 Refactoring of the query optimizer in advance of adding better optimization. (CVS 2551)
FossilOrigin-Name: 57c6bd3760163c174be4a2ece58f414e82b55938
2005-07-19 17:38:22 +00:00
drh 0aa74edd72 Allow an unlimited number of terms in the WHERE clause. The old limit was 100. (CVS 2550)
FossilOrigin-Name: ca69f36832d57775e73ac5cdbe0a32d7b759432b
2005-07-16 13:33:20 +00:00
drh 9042f395cc Fix bugs in the new query plan instrumention logic. (CVS 2549)
FossilOrigin-Name: 578490c91331a386f84652db0b3bfd74c82046e1
2005-07-15 23:24:23 +00:00
drh 84bfda41db Add test instrumentation that will be needed during the development of
forthcoming optimizer enhancements. (CVS 2548)

FossilOrigin-Name: dfd5fd77b0764853f847eeee3c1fe047d60fee7e
2005-07-15 13:05:21 +00:00
drh 4cfb644e5f Add remark in the changelog that mentions 64-bit alignment fixes in 3.2.2. (CVS 2547)
FossilOrigin-Name: ead583cfad7c6ea84c3685d89f40104f4d33bc81
2005-07-09 23:11:22 +00:00
drh c0f2a01926 Fix a comment error. No changes to code. Ticket #1320. (CVS 2546)
FossilOrigin-Name: e050af70adcdac8f9c9d8cffd1658f7fb2ebd362
2005-07-09 02:39:40 +00:00
drh e866fcb923 Use the internal sqlite3_snprintf function instead of sprintf to avoid
cross-platform incompatibilities.  Ticket #1316. (CVS 2545)

FossilOrigin-Name: 431999da7bf0079e0d514483b3bfd9f8471cba7d
2005-07-09 02:38:06 +00:00
drh df3816974c Patch to Makefile.in so that it works with OS X. Ticket #1292. (CVS 2544)
FossilOrigin-Name: 0dfabca641371690027634213632c914ad6f2b8b
2005-07-09 02:23:24 +00:00
drh a4afb65cb7 Make sure there is only one busy counter. Ticket #1315. (CVS 2543)
FossilOrigin-Name: af2a0ba4a38abf208db1ff6f018cf756de2afd5b
2005-07-09 02:16:02 +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
descriptive of what it does. (CVS 2541)

FossilOrigin-Name: 3bb9ce5f20d0a6bc19df31df9b8e82044c3e6004
2005-07-08 17:13:46 +00:00
drh 392e597c8a Add the EP_OptOnly flag on expressions for WHERE clause
terms that are added by the optimizer but should not be coded. (CVS 2540)

FossilOrigin-Name: f4a66ed04dfd8714746b766b4859682ea18e328f
2005-07-08 14:14:22 +00:00
drh 70031fa396 Add the SQLITE_CASE_SENSITIVE_LIKE compile-time option. (CVS 2539)
FossilOrigin-Name: b72bff81f9937378417a0af0610d8558279b67a7
2005-07-08 13:53:21 +00:00
drh a01f79df49 Replace OP_List with OP_Fifo. This is the first step toward allowing
recursive delete triggers and later foreign keys with cascading deletes. (CVS 2538)

FossilOrigin-Name: 94c120bb782fed53142317d1755e70c858930486
2005-07-08 13:07:59 +00:00
drh 9f18e8a0c4 Add infrastructure for the ANALYZE command. Does not yet actually
do anything. (CVS 2537)

FossilOrigin-Name: 05b6ac9a76fd5765c50e81588f8e71c59fe35ce4
2005-07-08 12:13:04 +00:00
drh 26d0e2a6da Fix a quoting problem in the configure script. (CVS 2536)
FossilOrigin-Name: b34647a2ebec6f915f9914034e9370459873215e
2005-07-06 13:51:27 +00:00
drh 7bac700686 Fix typos in comments. No changes to code. (CVS 2535)
FossilOrigin-Name: d3b03495a46e79a9d82525a61bad99eef9469ad1
2005-07-01 11:38:44 +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 67ce73b466 Check for zero-byte allocations in sqlite3MallocRaw. (CVS 2533)
FossilOrigin-Name: 78cb8a9a17a29bb8d9ffb6298b25cc43f9cbfed9
2005-06-29 17:24:23 +00:00
drh ba336867c4 Make sqlite3Malloc always return NULL when the number of bytes to allocate
is 0. (CVS 2532)

FossilOrigin-Name: 657d74ebc1d91c99e8ac6cd68fdac3864ebd8d71
2005-06-29 15:33:00 +00:00