3852413246
Fix an obscure problem to do with temp register allocation that could occur if more than one simple SELECT within a compound SELECT uses a partial sort.
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FossilOrigin-Name: 427409ae106cdab7892a6b50fe30c5f52de5addc
2014-05-01 20:26:48 +00:00
e03d76254c
Update a test case in wal2.test that explicitly corrupts a checksum in the wal file to account for the fact that the first byte of said checksum may initially be 0xFF.
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FossilOrigin-Name: 2b935bdea1452505f36dc8c7aad49e6c42f4eceb
2014-05-01 10:19:16 +00:00
5da73e1a09
Fix a problem in calculating the costs of "OR" scans.
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FossilOrigin-Name: 9bbca48b42e4fe16f2188e18dc736da30a96435c
2014-04-30 18:11:55 +00:00
75525cbe24
Update a couple of test cases to account for the fact that this branch prefers an index scan and partial sort over a full-table scan and full external sort.
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FossilOrigin-Name: 9b975bf33cd8fc28c64183a9642bf9fb436a4746
2014-04-30 14:53:21 +00:00
264d2b97a9
Test that the default values used when sqlite_stat1 data is not available are calculated correctly. Fixes for the same.
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FossilOrigin-Name: e2d42f909de85a0586389f2dc0e654f7af2e351a
2014-04-29 19:01:57 +00:00
e4618fb30d
Merge trunk changes into this branch.
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FossilOrigin-Name: d74299f037f3a6a4b3bce8b4d1c76c407c1f3b3e
2014-04-29 16:46:24 +00:00
09e1df6c00
Ignore likelihood() values on indexed IPK lookups.
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FossilOrigin-Name: 5bb7757a7b32a74482d3e93e9c9eea02273fe981
2014-04-29 16:10:22 +00:00
67a03cfd6e
Fix a test case so that it updates sqlite_stat1 consistently.
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FossilOrigin-Name: 2dc5a0b55567f13f0528ed17242e680cde2f2a29
2014-04-29 12:01:35 +00:00
7de2a1faf6
Do not reduce the number of rows scanned at all for "IS NOT NULL" constraints. Fix a bug in calculating the number of rows visited by scans of partial indicies.
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FossilOrigin-Name: a8ae93f0cffa116df0ba34d46a53f49d42dace41
2014-04-28 20:11:20 +00:00
2e525f18e2
Merge all recent trunk enhancements and fixes into the sessions branch.
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FossilOrigin-Name: e158812c34b01ce516d26636a489509bf61d1c27
2014-04-28 18:02:21 +00:00
65e6b0dd12
Add the sqlite3_rtree_query_callback() API to the RTree virtual table.
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(Cherrypick from the sessions branch.)
FossilOrigin-Name: af2cbe64adab5f9e3b0f3da00d06428088589d7f
2014-04-28 17:56:19 +00:00
6b6828625b
Update unordered.test to take into account for the fact that SQLite now prefers a full-table scan over a non-covering index scan that visits a large percentage of the table rows.
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FossilOrigin-Name: 20f468dfbcb247e51446fad411a6e6cc0d130411
2014-04-28 15:11:25 +00:00
9881d60d17
Add an extra column to a table in analyze9.test to give the planner a little more reason to select an index.
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FossilOrigin-Name: 1b95544f84bf83c28cc15f6d0690fdf8a6bb3941
2014-04-28 12:08:23 +00:00
b51926e67c
Update test script analyze3.test to account for the fact that SQLite now prefers a full-table scan over a non-covering index scan that visits a large percentage of the table rows.
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FossilOrigin-Name: 35f46a55d866b9a87c1321aab8e0cfe86ccadb93
2014-04-28 10:00:59 +00:00
440e6ff3b0
Fix an error in estimating of the number of rows visited by a range scan.
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FossilOrigin-Name: d491de62fce69d93e89f65f7713972f7c2c451f7
2014-04-28 08:49:54 +00:00
2dd3cdcfab
Fix an sqlite3_stmt_status() problem caused by recent changs on this branch.
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FossilOrigin-Name: dee204092421a239f9f60ab83c3a5b3e24d1baea
2014-04-26 20:21:14 +00:00
1f8bb4b0a8
Update requirements marks to fix typos in the requirements text.
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No changes to code.
FossilOrigin-Name: f5a263658187250044afc1a74000e6f6962733ca
2014-04-26 19:23:14 +00:00
453e0261df
Allow the xfer optimization to proceed if the DEFAULT on the very first
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column of the two tables is different. This is a refinement of the
fix for ticket [f67b41381a].
FossilOrigin-Name: 349f483499dd685a8da94923b6bd810a52e5e236
2014-04-26 17:52:08 +00:00
9940e2aa45
Avoid transfering records between tables unless the default values for all columns are the same. Fix for [f67b41381a].
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FossilOrigin-Name: f8c4c495e6de1f124d205383d4bafa46accbff5c
2014-04-26 14:07:57 +00:00
8ad1d8ba38
If the user provides likelihood() data for a WHERE clause term used as part of an index key, have the planner use it when calculating the expected number of rows visited by the loop.
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FossilOrigin-Name: c51efaa5d29ee0a91b9e6a83a8dd82530670811a
2014-04-25 20:22:45 +00:00
b79c718f1a
Add test cases to ensure correct operation of joins with a virtual table
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that include DISTINCT and ORDER BY clauses. Verification for ticket
[388d01d4bb8f9].
FossilOrigin-Name: 5ada136f43ce744ae8c349eff39838eb44611b6e
2014-04-25 17:37:16 +00:00
aa9933c115
Changes to the way the planner calculates the costs of various table and index scans. Some test cases still failing.
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FossilOrigin-Name: c5a6ec0a880652dc8f4593d9f7acd58ddc3dc5f3
2014-04-24 20:04:49 +00:00
0ff435a782
Reopen the orderby-planning branch and merge in the latest trunk enhancements
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and fixes.
FossilOrigin-Name: 6077ddcd93318e24b9756adaaf293ba9fb3cedf7
2014-04-24 15:06:25 +00:00
9e0ed8d4ec
Merge all recent trunk changes into the threads branch.
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FossilOrigin-Name: e2c9f71a451e44040624b9f255b4510743513019
2014-04-23 12:57:55 +00:00
f0582f43dd
Comment tweaks on the test case for the [b75a9ca6b0] bug fix.
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FossilOrigin-Name: 65d2544af9adc1e2f1d193e57f8be0422fb0d5eb
2014-04-21 13:36:54 +00:00
374cd78c1d
Avoid discarding an ORDER BY clause in the case where an identical GROUP BY clauses uses an index to group, but not sort, the rows. Fix for [b75a9ca6b0].
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FossilOrigin-Name: de9a490f594183f337a2ec9e0f87792eac83548b
2014-04-21 13:21:56 +00:00
46a06bbe47
Add to speedtest1.c the --threads option for setting the
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SQLITE_CONFIG_WORKER_THREADS configuration.
FossilOrigin-Name: 5fce40c44aacf883df2e8e9472c399a6e92197b3
2014-04-18 13:57:39 +00:00
e9af1894e3
Merge recent trunk changes into the threads branch.
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FossilOrigin-Name: 8729aa3e3ed1da2e15408ef8705cbe185cd2a5ac
2014-04-18 12:38:54 +00:00
e49b2718e0
Merge the latest changes from sessions.
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FossilOrigin-Name: d9eef5b03c7c4bb69c11eda41152ee81aed1cac7
2014-04-18 01:14:46 +00:00
a1a483d54e
Merge recent trunk changes into sessions.
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FossilOrigin-Name: 95e77efe076ab421bd246119c47dba5dacf9d087
2014-04-18 01:10:05 +00:00
22ace89179
Fix some problems to do with OOM conditions in vdbesort.c. Some problems remain.
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FossilOrigin-Name: 2f94f9ce9bf11f1599bbc640b3fc8c15da588416
2014-04-15 20:52:27 +00:00
65b9ac5224
Make sure the undocumented sqlite_rename_parent() function does not
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crash even if it is invoked with NULL arguments.
Ticket [264b970c4379fd4b94]
FossilOrigin-Name: c6fa8d0d82805be230f672eabccdfa5680d4ddfd
2014-04-14 19:48:25 +00:00
87744513e7
Make sure column cache elements are cleared correctly when jumping over
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code for key generation in a partial index.
Fix for ticket [2ea3e9fe6379fc3f6].
FossilOrigin-Name: 3122b8364082be783821da01d4af2af6a9586327
2014-04-13 19:15:49 +00:00
c9cb207acf
Add the new interfaces to rtree, though they do not yet work. Add the
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"show_speedtest1_rtree.tcl" script for showing the test data used for the
R-Tree tests of speedtest1. Change speedtest1 to generate better R-Tree
test data.
FossilOrigin-Name: 0b70275972c7a6a533566c1e50bffbf3ac531e95
2014-04-11 23:14:48 +00:00
4be4c406fa
Avoid having the sorter merge too many PMAs at a time when incrementally merging data following a SorterRewind().
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FossilOrigin-Name: 98bf0307b121b0776a7170108cc8d3f948a7ebfe
2014-04-11 19:43:07 +00:00
eb7c4f2aea
Add the --verify option to speedtest1. Add verification test cases to
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the "rtree" testset and a case that uses a custom geometry callback.
FossilOrigin-Name: 9d485c4207a81f32334857d4a608c5c511dd2b83
2014-04-11 17:41:08 +00:00
dcc5c7b2fc
Update comments in the R-Tree module in preparation for some big changes.
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Add an "rtree" performance test to speedtest1.
FossilOrigin-Name: 20a73ec0b2f56609a4504052e198e32803d30207
2014-04-11 16:14:54 +00:00
d83cad235a
Modify the OR-clause handling so that it can safely deal with OR-clause
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with 17 or more terms. Fix for ticket [10fb063b1179be53ea0b53bb].
FossilOrigin-Name: a67b5312f63909737c052fe58ab5772d45530d49
2014-04-10 02:24:48 +00:00
d30ab3d9dd
Experimental multi-threaded sorting changes to allow the sorter to begin returning items to the VDBE before all data is sorted.
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FossilOrigin-Name: f9d5e09afaf64d68a0e461c1c2f38179bcea4b1f
2014-04-09 20:04:17 +00:00
48e080b26c
Performance improvements when reading large blobs, especially if
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SQLITE_DIRECT_OVERFLOW_READ is defined.
FossilOrigin-Name: 2312eb6a9eb31051db4e0baf19e033ba39adc7b1
2014-04-04 18:49:19 +00:00
85462ed939
Merge the latest trunk changes into the threads branch.
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FossilOrigin-Name: 39ac79cffe716f88af0871bdd206231b6a6511ff
2014-04-04 18:37:36 +00:00
853546d047
Merge changes to the query planner that strive to ensure that any index
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usage that is a proper subset of some other index usage always has a slightly
higher cost.
FossilOrigin-Name: 683dd379a293b2f330e1e4cd746f190527fe48ee
2014-04-04 18:20:35 +00:00
1fb6a11072
Ensure the "PRAGMA journal_mode=WAL" works coming from any other journal_mode
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with ATTACH-ed databases.
FossilOrigin-Name: e54330b43127e46fc6494748cbb353a6fc91cfd7
2014-04-04 14:12:52 +00:00
8daefc2af0
Add test file sort3.test, which should have been part of commit [9d3351b8d7].
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FossilOrigin-Name: dceed2c803fca23c83c02c448d5ae7c4698efee1
2014-04-04 07:52:44 +00:00
1aca5caa88
Merge all recent changes from trunk.
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FossilOrigin-Name: a0910079adde95245680dee59b43613b60903f10
2014-04-03 16:42:21 +00:00
652cc4b6dc
Merge all recent changes from trunk,
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including the fix for the OP_SCopy-vs-OP_Copy problem.
FossilOrigin-Name: 9515c8344a6743bbb0c6a6e49fb79fb3139090df
2014-04-03 16:35:33 +00:00
c438df1be0
Use OP_Copy instead of OP_SCopy when moving results out of a subquery,
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to prevent the subquery results from changing out from under the outer
query. Fix for ticket [1e64dd782a126f48d78].
FossilOrigin-Name: d5513dfa23baa0b0a095aaf17d19aacd30dcef61
2014-04-03 16:29:31 +00:00
8930c2ab0c
Fix an integer overflow problem in the sorter.
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FossilOrigin-Name: 9d3351b8d713232133dad149c73fb2a27c72abb1
2014-04-03 16:25:29 +00:00
dd95d30f82
Fix some problems with OOM handling in vdbesort.c.
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FossilOrigin-Name: 47e702bd8392bc50c4edaf6a2c8c499af87b520e
2014-04-02 15:15:25 +00:00
fad9f9a8a6
When sorting data for a CREATE INDEX statement in single-threaded mode, assume that keys are delivered to the sorter in primary key order. Also fix various comments that had fallen out of date.
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FossilOrigin-Name: 821d1ac4504243fa13b9e3c0d56361ad9fb80d78
2014-04-01 18:41:51 +00:00
dan