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4377 Commits

Author SHA1 Message Date
drh
03e1754e31 Merge trunk changes. 
FossilOrigin-Name: c6ac80ed8d5240dd30783d62d9f133e159809dec
 2013-10-04 20:39:44 +00:00
drh
165674d8db Fix test cases so that they work when the query planner uses index size 
estimates to determine whether or not to try an covering index scan.

FossilOrigin-Name: 2f394de88f23dacd3c61e586a4214ffc6f927d97
 2013-10-04 15:58:59 +00:00
drh
fdaac671b8 Improved estimates of the relative speed of index scans based on declared 
datatypes of columns in the table.  Add "r" column to PRAGMA index_info,
showing the estimated relative scan rate.

FossilOrigin-Name: 07462bb6059f023c22a6c84a4a02afbd84e69255
 2013-10-04 15:30:21 +00:00
drh
d9e3cad2f8 Progress toward using the iScanRatio information on indices. Many tests 
are still failing.

FossilOrigin-Name: 6c352edbba85a15ca356b5e131f4b3b2723d1774
 2013-10-04 02:36:19 +00:00
drh
5f33f37580 Make sure the count(*) optimization works correctly even when partial 
indices are present.  Ticket [a5c8ed66cae].

FossilOrigin-Name: 9f2f4c0a50808910ad01c8c4352367f25747be08
 2013-10-04 00:00:12 +00:00
dan
de07791a9c Merge latest trunk changes. 
FossilOrigin-Name: 24aa20da222a9cc181473bc41d0f8791be91fa97
 2013-10-03 20:28:22 +00:00
dan
9211f8a6ce Allow FTS4 multi-token phrases to use a combination of in-memory and incrementally loaded doclists. This allows phrases to (partially) benefit from incremental doclists without disabling the deferred token optimization. 
FossilOrigin-Name: f6819c5f3363d358e7ef65fe6978f13991bd44af
 2013-10-03 19:27:14 +00:00
dan
46539d7cfa Return an error if an attempt is made to create a trigger with an SQL variable embedded within it. If such a variable reference is found within a trigger definition loaded from the sqlite_master table, silently replace it with a NULL. 
FossilOrigin-Name: f35f6ae3da77dbdf5f7a4a9927475659fc6e0ca6
 2013-10-03 12:29:38 +00:00
dan
eb26672d0e Add a test to check that the new multi-token phrase optimization is actually helping. 
FossilOrigin-Name: bc3a2ed5fb2402805928b0002457eebf06f87c47
 2013-10-02 08:04:27 +00:00
dan
1073e26435 Merge trunk changes with this branch. 
FossilOrigin-Name: 65d9c6fafbc19d3582e07c31fd915a70e7fcfa8e
 2013-10-01 20:10:26 +00:00
drh
3b6cb3ceb9 Add some timing tests to the amatch test script. 
FossilOrigin-Name: ad71c72be56786d8dcf6917efd10a8d3c2d50419
 2013-09-30 19:05:03 +00:00
dan
73632e37c9 Merge trunk changes with this branch. 
FossilOrigin-Name: e294a9c7c525d1da698259c2fef089579bfd1c0b
 2013-09-30 18:16:07 +00:00
dan
1f03e609ff Fix a performance problem in the FTS4 auxiliary functions triggered by an OR clause in the full-text query. 
FossilOrigin-Name: fa0f2f0e3e79ae653118b901e1cca7725dfaf249
 2013-09-30 18:14:45 +00:00
drh
92054fefcd Fix memory leaks in the amatch extension. Add a few simple test cases. 
FossilOrigin-Name: 604134732e309a738e21bcb4240b9ff285d2bfe4
 2013-09-30 17:37:15 +00:00
dan
19384380f3 Have fts4 full-text queries consider "docid<?" and similar constraints. 
FossilOrigin-Name: 6622424a3a149edd35ba2ba0881aa41b4536417b
 2013-09-30 11:42:19 +00:00
dan
07490d2b8a Add new test file fts3defer3.test. 
FossilOrigin-Name: a6cd14effef0a4e5520eea871523e6e7a7d30aef
 2013-09-28 16:43:49 +00:00
drh
f42747246a In the nextchar.c extension, allow the second argument to the next_char() 
function to be a subquery.

FossilOrigin-Name: 59b9fa223681a7329533b350be7bf5a0a3609255
 2013-09-28 13:28:40 +00:00
dan
5d1dcff095 Obtain the required shared-cache write-lock when executing "DELETE FROM tbl" statements. Fix for [1e1321ee98]. 
FossilOrigin-Name: 1f8f4fdf3ff2b8de27e167a44a19b0f479f5ee1a
 2013-09-26 15:21:16 +00:00
dan
56c517aa5f Fix a faulty assert() in sqlite3BtreeBeginTrans() that may fail in shared-cache mode. 
FossilOrigin-Name: 1e1321ee985370c2b7e5bd64286bb4d7704b5a30
 2013-09-26 11:04:33 +00:00
dan
6284d02160 Test that the unicode61 tokenchars= and separators= options work with the fts3tokenize virtual table. 
FossilOrigin-Name: ed24051462c09220ebfb82a347b4a2b5c820ef63
 2013-09-18 11:16:32 +00:00
drh
95a7b3e36d The date and time functions use the exact same notion of "now" for every 
invocation within the same call to sqlite3_step().

FossilOrigin-Name: daf6ba413cb3cb6065774ba07495eab4a28b49b0
 2013-09-16 12:57:19 +00:00
mistachkin
9ac99313b5 Fix test issues for Windows portability. 
FossilOrigin-Name: 650b32825a85baff11b8e568649fd797066c8ab1
 2013-09-13 23:26:47 +00:00
drh
55e85ca5f5 Add the soft_heap_limit pragma. 
FossilOrigin-Name: c326356f9a18bff5cf36bd59331e2cc207e349fa
 2013-09-13 21:01:56 +00:00
drh
a496fa7c02 Adjust the query planner to take into account WHERE clause terms that do not 
drive indices.  Add the unlikely() and likelihood() functions used to give
hints to the query planner about the selectivity of WHERE clause terms.

FossilOrigin-Name: bc446449a19171c0fa0681973b06bc80d3c0517f
 2013-09-13 17:47:57 +00:00
dan
f1d2670d40 Add tests for the fts4 unicode61 tokenchars and separators options. 
FossilOrigin-Name: 9ce6f40dfb54b35cecba3cc9c1ec0d111f6e9f11
 2013-09-13 12:10:09 +00:00
drh
a4c3c87e3d Merge in the Expr.flags expansion to 32-bits. Use an extra bit to help 
optimize the sqlite3ExprSkipCollate() routine.

FossilOrigin-Name: 4c84d1b4c20f18921dd705bf67e8225975b83e86
 2013-09-12 17:29:25 +00:00
drh
7d9e7d8287 Improvements to likelihood processing so that commuting an unindexed term in 
the WHERE clause does not change the query plan.

FossilOrigin-Name: 6e6bded055cdbc902731687c86d92c39a3ba5904
 2013-09-11 17:39:09 +00:00
drh
89a75397e0 Add test cases to cover TPC-H Q8. 
FossilOrigin-Name: eb5cef8351d12c0f8550dac96ee7a6e495975b5a
 2013-09-11 14:57:11 +00:00
drh
09328c00d6 Additional unlikely() test cases. Logic tweaks to support test coverage. 
FossilOrigin-Name: 5d00cce74a7aefaf30022ae971ab1e0451e0ad6e
 2013-09-11 14:34:58 +00:00
drh
aae0f9e462 Change the name of the two-argument unlikely() function to likelihood(). 
Add test cases.

FossilOrigin-Name: 29a359b8d7f90e6fa2b28ce2a112284fd3870494
 2013-09-11 11:38:58 +00:00
drh
abfa6d52ed Tweaks to the index selection logic. 
FossilOrigin-Name: 52d52688644f635a50a60ff17b160f3affa8fa6c
 2013-09-11 03:53:22 +00:00
drh
36fabb6297 Merge trunk fixes into the unlikely-func branch. 
FossilOrigin-Name: a51d751553b14aa26912c516f60727551deb8e60
 2013-09-10 01:53:18 +00:00
drh
1d2b3c1f8a Deterministically initialize the PRNG used as a tie-breaker in the ANALYZE 
command, so that the analysis is always the same given the same database.
This simplifies testing.

FossilOrigin-Name: 48ed8b565b84c8fa7898c2f9817c01f7e9c9182e
 2013-09-10 01:41:25 +00:00
drh
cca9f3d291 Initial implementation of the unlikely() SQL function used as a hint to 
the query planner.

FossilOrigin-Name: 036fc37a034093a4c6fc190633bd41c2b7230d77
 2013-09-06 15:23:29 +00:00
dan
8ff2d9561a When preparing an UPDATE statement, avoid generating VDBE code for those foreign key related actions and constraint checks that may be seen to be unnecessary by considering the subset of table columns potentially modified by the UPDATE. 
FossilOrigin-Name: e940b5de49baa1d6a4cf859fbbc0e0df86ac5dbf
 2013-09-05 18:40:29 +00:00
dan
af0d8bcf4b Add tests to improve coverage when SQLITE_ENABLE_STAT3 is defined. 
FossilOrigin-Name: f929e9b41f2f69b086be3dd48fe557adbba7ae5c
 2013-09-04 16:38:42 +00:00
drh
55a1b30875 Fix a bug in the command-line shell for ".mode insert" on UTF16 databases 
with BLOB values.

FossilOrigin-Name: d8fdc7821808e2bfa048144ee3015b745232dc30
 2013-09-04 16:08:50 +00:00
dan
b13af4c5dd Fix another problem in stat4 sample selection. 
FossilOrigin-Name: d59f580904e6e7e90fc0a692a3dd4eeff5942479
 2013-09-03 14:43:12 +00:00
drh
67a5ec7b54 Make sure the omit-noop-left-join optimization is not applied if columns 
of the LEFT JOIN are used in the ORDER BY clause.  
Ticket [be84e357c035]

FossilOrigin-Name: 0303d6bc7112e6f810ae1bd75cafc5ffc51f5212
 2013-09-03 14:03:47 +00:00
dan
b49d1047c6 Further stat4 related tests. 
FossilOrigin-Name: 0a702c4b4c35fdbcb62e3ab88b9e57d7ea0052a8
 2013-09-02 18:58:11 +00:00
dan
84f48296fa Add tests to check if ANALYZE is choosing common non-periodic samples for the stat4 table. 
FossilOrigin-Name: 175842997af134138784bff6f8e93573deb5b36b
 2013-09-02 11:52:11 +00:00
dan
575ab2f8f6 Fix a problem with using stat4 data to estimate the number of rows scanned by a range constraint on the second or subsequent column of any index where an affinity transformation must be applied to the constraint argument. 
FossilOrigin-Name: c21f58d84859e479a6cc619671a0df48b2f9692e
 2013-09-02 07:16:40 +00:00
dan
4a1aa3851a Fix a problem causing SQLite not to use stat4 or stat3 data to analyze constraints of the form "column = expr COLLATE collation" (those with an explicit COLLATE on the non-column side of the comparison operator). 
FossilOrigin-Name: 1e86d81d46c9da6aaee0c6938ee40933f35e3d0d
 2013-08-31 17:21:26 +00:00
dan
3fa2a82b8b Reenable a test accidentally disabled when the stat4 branch was merged. 
FossilOrigin-Name: d9fadc8fa6ef02d516678d57896d93e0a5f52cfe
 2013-08-31 14:56:30 +00:00
drh
f46af73720 If the cost of two whereLoop objects is the same in every way except that 
one has fewer expected output rows than the other, then choose the one with
fewer output rows.

FossilOrigin-Name: 79e458ef7acfddbc189163e3e958da529becb130
 2013-08-30 17:35:44 +00:00
dan
43398081a8 Add a test for fts4 unicode61 option remove_diacritics=0. 
FossilOrigin-Name: 6bf7ae6ff6b18712544ddeafb6848b3b27ff22d2
 2013-08-30 13:29:51 +00:00
dan
cd40abb297 Candidate fix for [9f2eb3abac]: Have the whereShortCut() planner ignore indexes with more than four columns. 
FossilOrigin-Name: c1152bdcbb5ac185f743015fff63769effa81b4b
 2013-08-29 10:46:05 +00:00
mistachkin
1d406e0dfd Small enhancements to unit testing infrastructure. 
FossilOrigin-Name: 9229aeb361f9805894321327d05aba855b8799f3
 2013-08-29 01:09:14 +00:00
dan
1d2b70e3d2 Re-enable test file wild001.test. 
FossilOrigin-Name: 4f182ddc36944fa54f1a34c1f0527db0ebb39c96
 2013-08-28 19:01:07 +00:00
drh
e4f9b9b7c0 Add the win32-longpath VFS allowing windows filenames up to 32K characters in 
length.  Remove unused code when -DSQLITE_MAX_MMAP_SIZE=0.  Fix some
compiler warnings on windows.

FossilOrigin-Name: 12d0a8859de0a9d823997cfeccc77bd572cb6d13
 2013-08-28 18:18:12 +00:00