database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2026-10-25 09:59:22 +03:00
Code Activity
12,248 Commits 1,785 Branches 392 Tags
fts4-experimental
Commit Graph

4687 Commits

Author SHA1 Message Date
dan
e82384817d Add extra test to backcompat.test to ensure that old and new versions of FTS may work together on the same incremental merge operation. 
FossilOrigin-Name: 3997d47bb9c8593a2cd30317ea65163b99db1832
 2014-05-16 15:48:17 +00:00
dan
a7b9e7d2d9 Fix a bug causing an incorrect segment size value to be stored if both an old and new FTS version performed work on the same incremental merge operation. 
FossilOrigin-Name: a9a2aeab298ba2ac0b8835e61406e2d83bf7e39b
 2014-05-16 10:30:44 +00:00
dan
5b34f15a82 Do not search for promotable segments following an FTS 'optimize' operation or creation of a new segment on the oldest existing level. 
FossilOrigin-Name: 34f6b4b8e4cb8ea45fd518672dc96335d1ce06ab
 2014-05-14 19:49:17 +00:00
dan
a0b7ca90b7 Fix a problem to do with loading the value of the FTS automerge setting from the database. 
FossilOrigin-Name: 7268119f74602929b372b88eca7b3c3b4964f7d5
 2014-05-14 18:45:27 +00:00
dan
9e83e465eb Fix various problems to do with segment promotion. Add test file fts4growth2.test, containing tests to check that the FTS index does not grow indefinitely as the table is updated. 
FossilOrigin-Name: 21491a9bc686e63bec32f1a67103622f1160a2f9
 2014-05-14 15:58:47 +00:00
dan
c0caea21de Fix a problem preventing delete markers from ever being removed from the FTS index. 
FossilOrigin-Name: 7f47ae5c5ddb1227484ddae7c6960183932a052a
 2014-05-13 20:11:37 +00:00
dan
6bb9889ef0 Experimental code to prevent FTS indexes from growing indefinitely as the table is updated. 
FossilOrigin-Name: b3b505a4dd0c679437a4272109f1188175088cd1
 2014-05-12 20:04:48 +00:00
dan
d2d8ca600e Fix the way parenthesis in MATCH expressions are handled by FTS if the tokenizer considers them to be token characters. 
FossilOrigin-Name: e21bf7a2ade6373e94ea403c665f78e1ad22143f
 2014-05-07 19:59:36 +00:00
drh
eacc050f30 Make sure the group_concat() function returns an empty string, not a NULL, 
if it has at least one input row.  Fix for ticket [55746f9e65f8587].

FossilOrigin-Name: 0deac8737545a020d344be96fff16660a7977ab8
 2014-05-07 17:19:31 +00:00
drh
731dc0cb0e Add the SQLITE_IOCAP_IMMUTABLE bit as a possible return value from 
the xDeviceCharacteristics method in the VFS.  Add the "nolock" and
"immutable" query parameters to URI filenames.

FossilOrigin-Name: 1a0d7d3d9dd54b783e3a805961287dd01f94770c
 2014-05-07 15:46:04 +00:00
drh
6451c2b04e Fix nolock and immutable so that they work even if READONLY is requested. 
FossilOrigin-Name: e193aced2942e7405d0f45f90d4954b5663b4ba5
 2014-05-07 15:32:03 +00:00
drh
62e603a904 Add test cases and documentation for the nolock and immutable query 
parameters.

FossilOrigin-Name: 19d56cbaca222b32e2e354063149cccd89441d73
 2014-05-07 15:09:24 +00:00
dan
a153643b07 Fix a broken test case in fuzz.test. 
FossilOrigin-Name: faa469355eabb2c407f24638b090725448aac37f
 2014-05-02 14:54:56 +00:00
dan
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. 
FossilOrigin-Name: 427409ae106cdab7892a6b50fe30c5f52de5addc
 2014-05-01 20:26:48 +00:00
dan
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. 
FossilOrigin-Name: 2b935bdea1452505f36dc8c7aad49e6c42f4eceb
 2014-05-01 10:19:16 +00:00
dan
5da73e1a09 Fix a problem in calculating the costs of "OR" scans. 
FossilOrigin-Name: 9bbca48b42e4fe16f2188e18dc736da30a96435c
 2014-04-30 18:11:55 +00:00
dan
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. 
FossilOrigin-Name: 9b975bf33cd8fc28c64183a9642bf9fb436a4746
 2014-04-30 14:53:21 +00:00
dan
264d2b97a9 Test that the default values used when sqlite_stat1 data is not available are calculated correctly. Fixes for the same. 
FossilOrigin-Name: e2d42f909de85a0586389f2dc0e654f7af2e351a
 2014-04-29 19:01:57 +00:00
dan
e4618fb30d Merge trunk changes into this branch. 
FossilOrigin-Name: d74299f037f3a6a4b3bce8b4d1c76c407c1f3b3e
 2014-04-29 16:46:24 +00:00
dan
09e1df6c00 Ignore likelihood() values on indexed IPK lookups. 
FossilOrigin-Name: 5bb7757a7b32a74482d3e93e9c9eea02273fe981
 2014-04-29 16:10:22 +00:00
dan
67a03cfd6e Fix a test case so that it updates sqlite_stat1 consistently. 
FossilOrigin-Name: 2dc5a0b55567f13f0528ed17242e680cde2f2a29
 2014-04-29 12:01:35 +00:00
dan
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. 
FossilOrigin-Name: a8ae93f0cffa116df0ba34d46a53f49d42dace41
 2014-04-28 20:11:20 +00:00
drh
65e6b0dd12 Add the sqlite3_rtree_query_callback() API to the RTree virtual table. 
(Cherrypick from the sessions branch.)

FossilOrigin-Name: af2cbe64adab5f9e3b0f3da00d06428088589d7f
 2014-04-28 17:56:19 +00:00
dan
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. 
FossilOrigin-Name: 20f468dfbcb247e51446fad411a6e6cc0d130411
 2014-04-28 15:11:25 +00:00
dan
9881d60d17 Add an extra column to a table in analyze9.test to give the planner a little more reason to select an index. 
FossilOrigin-Name: 1b95544f84bf83c28cc15f6d0690fdf8a6bb3941
 2014-04-28 12:08:23 +00:00
dan
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. 
FossilOrigin-Name: 35f46a55d866b9a87c1321aab8e0cfe86ccadb93
 2014-04-28 10:00:59 +00:00
dan
440e6ff3b0 Fix an error in estimating of the number of rows visited by a range scan. 
FossilOrigin-Name: d491de62fce69d93e89f65f7713972f7c2c451f7
 2014-04-28 08:49:54 +00:00
dan
2dd3cdcfab Fix an sqlite3_stmt_status() problem caused by recent changs on this branch. 
FossilOrigin-Name: dee204092421a239f9f60ab83c3a5b3e24d1baea
 2014-04-26 20:21:14 +00:00
drh
1f8bb4b0a8 Update requirements marks to fix typos in the requirements text. 
No changes to code.

FossilOrigin-Name: f5a263658187250044afc1a74000e6f6962733ca
 2014-04-26 19:23:14 +00:00
drh
453e0261df Allow the xfer optimization to proceed if the DEFAULT on the very first 
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
dan
9940e2aa45 Avoid transfering records between tables unless the default values for all columns are the same. Fix for [f67b41381a]. 
FossilOrigin-Name: f8c4c495e6de1f124d205383d4bafa46accbff5c
 2014-04-26 14:07:57 +00:00
dan
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. 
FossilOrigin-Name: c51efaa5d29ee0a91b9e6a83a8dd82530670811a
 2014-04-25 20:22:45 +00:00
drh
b79c718f1a Add test cases to ensure correct operation of joins with a virtual table 
that include DISTINCT and ORDER BY clauses.  Verification for ticket
[388d01d4bb8f9].

FossilOrigin-Name: 5ada136f43ce744ae8c349eff39838eb44611b6e
 2014-04-25 17:37:16 +00:00
dan
aa9933c115 Changes to the way the planner calculates the costs of various table and index scans. Some test cases still failing. 
FossilOrigin-Name: c5a6ec0a880652dc8f4593d9f7acd58ddc3dc5f3
 2014-04-24 20:04:49 +00:00
drh
f0582f43dd Comment tweaks on the test case for the [b75a9ca6b0] bug fix. 
FossilOrigin-Name: 65d2544af9adc1e2f1d193e57f8be0422fb0d5eb
 2014-04-21 13:36:54 +00:00
dan
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]. 
FossilOrigin-Name: de9a490f594183f337a2ec9e0f87792eac83548b
 2014-04-21 13:21:56 +00:00
drh
65b9ac5224 Make sure the undocumented sqlite_rename_parent() function does not 
crash even if it is invoked with NULL arguments.
Ticket [264b970c4379fd4b94]

FossilOrigin-Name: c6fa8d0d82805be230f672eabccdfa5680d4ddfd
 2014-04-14 19:48:25 +00:00
drh
87744513e7 Make sure column cache elements are cleared correctly when jumping over 
code for key generation in a partial index. 
Fix for ticket [2ea3e9fe6379fc3f6].

FossilOrigin-Name: 3122b8364082be783821da01d4af2af6a9586327
 2014-04-13 19:15:49 +00:00
drh
d83cad235a Modify the OR-clause handling so that it can safely deal with OR-clause 
with 17 or more terms.  Fix for ticket [10fb063b1179be53ea0b53bb].

FossilOrigin-Name: a67b5312f63909737c052fe58ab5772d45530d49
 2014-04-10 02:24:48 +00:00
drh
48e080b26c Performance improvements when reading large blobs, especially if 
SQLITE_DIRECT_OVERFLOW_READ is defined.

FossilOrigin-Name: 2312eb6a9eb31051db4e0baf19e033ba39adc7b1
 2014-04-04 18:49:19 +00:00
drh
853546d047 Merge changes to the query planner that strive to ensure that any index 
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
drh
1fb6a11072 Ensure the "PRAGMA journal_mode=WAL" works coming from any other journal_mode 
with ATTACH-ed databases.

FossilOrigin-Name: e54330b43127e46fc6494748cbb353a6fc91cfd7
 2014-04-04 14:12:52 +00:00
drh
c438df1be0 Use OP_Copy instead of OP_SCopy when moving results out of a subquery, 
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
drh
e4529c5724 Merge in the latest changes and fixes from trunk. 
FossilOrigin-Name: f6211540c9d66a08dc580dd733e4f4a98968ae30
 2014-03-31 22:03:32 +00:00
drh
3fb183d2f7 Also make sure an index that is a proper subset of some other index has a 
higher cost than that other index.  Add test cases.

FossilOrigin-Name: b7830d232b073a197aa1092e78cb24e88cb10fd3
 2014-03-31 19:49:00 +00:00
drh
70c93204ea Disable the wal64k.test script for non-unix systems since it depends on 
unix-only features.

FossilOrigin-Name: 27deb6e49bcc76714dbdc61b34748603155ac770
 2014-03-28 14:41:35 +00:00
drh
a1f7c0a21c Enhance the sqlite3VdbeRecordCompare() routines so that if they encounter 
database corruption, they will set the UnpackedRecord.isCorrupt field and
return 0.  The sqlite3BtreeMovetoUnpacked() routine detects this and returns
SQLITE_CORRUPT, causing the corruption to be reported back to the top-level.

FossilOrigin-Name: 7fa85eaaaf6d211378620d728a759fdfe30a15b0
 2014-03-28 03:12:48 +00:00
dan
68916c9fd3 Add an extra test case for the potential buffer overread patched by [28ddecff04]. 
FossilOrigin-Name: f585f5d7a0f9bf8c590388654a3638231eba8892
 2014-03-26 15:14:59 +00:00
drh
d9c131c366 Add a test case to verify that the previous change avoids excess buffer 
overread in sqlite3VdbeRecordCompare().

FossilOrigin-Name: 2b28e8d582cf10936fa1faca04a16ca2eeead66f
 2014-03-26 15:05:56 +00:00
drh
182ea4e324 Earlier detection of corruption in sqlite3VdbeRecordCompare() in order to 
avoid a potential buffer overread.

FossilOrigin-Name: 28ddecff044dbc2dff50a7d8406ab67dfe06587f
 2014-03-26 14:51:07 +00:00