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100 check-ins occurring around b0b4c776c321ca4a.

2014-06-30
18:57
Fix for ticket [b2fa5424e6fcb15]: Better define the format of the sqlite_stat4 file for WITHOUT ROWID tables and make sure the ANALYZE command generates a file in the appropriate format. Use the sqlite_stat4 data to enable the use of WHERE terms that cover all indexed columns plus some prefix of columns in the primary key. (check-in: bc2de809 user: drh tags: trunk)
18:02
Fix a problem in where.c with using the stat4 sample data of an index on a WITHOUT ROWID table. (Closed-Leaf check-in: 053a210e user: dan tags: stat4-without-rowid)
17:07
Fix the STAT4 information for WITHOUT ROWID tables. (check-in: 5d8628fd user: drh tags: stat4-without-rowid)
15:23
Fix where.c so that the primary key values appended to every index entry on a WITHOUT ROWID table may be used when useful. (check-in: 6624a61d user: dan tags: stat4-without-rowid)
13:56
Omit non-primary-key columns from the STAT4 samples for WITHOUT ROWID tables. Indexes, both rowid and without-rowid, still hold an exact copy of the index entry. (check-in: de826c31 user: drh tags: stat4-without-rowid)
13:32
Generate complete samples for sqlite_stat4 on WITHOUT ROWID tables. Ticket [b2fa5424e6fcb15b5] (check-in: 8cb43edd user: drh tags: stat4-without-rowid)
11:14
Add makefile targets for various diagnostic tools, such as showstat4. Fix harmless compiler warnings in diagnostic tools. (check-in: 6f86d89b user: drh tags: trunk)
2014-06-28
19:06
Add an OOM fault injection test for the new code on this branch. (Closed-Leaf check-in: c96de490 user: dan tags: stat4-skipscan)
17:35
Add further tests to skipscan5.test. (check-in: 4b8230e8 user: dan tags: stat4-skipscan)
16:06
Add header comments on new routines. Rework the sqlite3Stat4Column() routine so that is (in theory) able to deal with corrupt samples. (check-in: ef5cdf94 user: drh tags: stat4-skipscan)
15:26
Fix a problem with using stat4 samples of type text when estimating the rows visited by a range-query/skip-scan loop. (check-in: dfb09db6 user: dan tags: stat4-skipscan)
14:28
Change the VDBE to export the sqlite3MemCompare() routine and thus free where.c from the dependency on vdbeInt.h. (check-in: d186d1ac user: drh tags: stat4-skipscan)
14:25
Merge fixes from trunk with this branch. (check-in: 6af219d1 user: dan tags: stat4-skipscan)
2014-06-27
20:14
Fix a couple of problems in estimating the number of rows visited by a range query that uses a skip-scan. (check-in: 219736f5 user: dan tags: stat4-skipscan)
2014-06-26
22:17
Add some more IN operator tests. (check-in: fb32e374 user: mistachkin tags: trunk)
21:32
Fix compilation issue when STAT4 is not enabled. (check-in: 74a5454a user: mistachkin tags: stat4-skipscan)
21:28
Revise the affinity returned for expressions flagged as 'generic'. Fix for [9a8b09f8e6]. (check-in: 92f7ad43 user: mistachkin tags: trunk)
20:21
Attempt to use sqlite_stat4 data to estimate the number of rows visited by a range query that uses a skip-scan. This code is largely untested. (check-in: 01dc8102 user: dan tags: stat4-skipscan)
12:31
Fix minor problems in term matching. (check-in: 94eeb077 user: dan tags: fts5)
2014-06-25
20:28
Begin adding query support to fts5. (check-in: 47a9f3cc user: dan tags: fts5)
2014-06-24
20:19
Fix showstat4.c so that it decodes typecodes 8 and 9 correctly. (check-in: 9ca737c0 user: drh tags: trunk)
16:59
Add simple full-table-scan and rowid lookup support to fts5. (check-in: 3515da85 user: dan tags: fts5)
00:59
Add the showstat4.exe utility program for decoding and displaying the content of the sqlite_stat4 table in a database. (check-in: b4d9f605 user: drh tags: trunk)
2014-06-23
23:28
Add the .fullschema command to the sqlite3.exe utility. This command shows the schema and the content of the sqlite_stat tables, all in one go. Useful when reporting problems with the query planner. (check-in: ebec4892 user: drh tags: trunk)
11:33
Add some code for an experimental fts5 module. Does not work yet. (check-in: 1e0648dc user: dan tags: fts5)
10:18
Fix a problem with SQLITE_OMIT_WSD builds. (check-in: 07dda49c user: dan tags: trunk)
10:04
Fix a problem with SQLITE_OMIT_WAL builds. (check-in: 612b6d1b user: dan tags: trunk)
2014-06-20
13:55
Improved display of record data in the "NNNbd" output of the showdb.exe utility program. (check-in: f735c249 user: drh tags: trunk)
01:32
In the showdb.exe utility, for the "NNNbd" command, also show data fields in addition to header fields on each record decoded. Improvements to formatting. (check-in: b451fe0c user: drh tags: trunk)
2014-06-19
23:38
Add the ability to decode the headers of individual cells, byte-by-byte, in the "showdb.exe" utility. (check-in: 306b461d user: drh tags: trunk)
2014-06-18
18:10
Add the "LogEst" and "LogEst.exe" target to the makefiles. (check-in: 7b91b058 user: drh tags: trunk)
15:24
Fix a comment on the sqlite3Utf8Read() routine. No changes to code. (check-in: 5e514f6a user: drh tags: trunk)
15:18
Merge in all recent changes from trunk, and especially the automatic index enhancements. (check-in: 0e1b7349 user: drh tags: threads)
15:11
Prevent an automatic index from taking the place of a declared index. (check-in: 0a52bddd user: drh tags: trunk)
2014-06-17
20:16
Prevent an automatic index from taking the place of a declared index. (Closed-Leaf check-in: 4ece839d user: drh tags: autoindex-improvements)
18:43
Experimental changes to use GetFileInformationByHandle instead of GetFileSize in the Win32 VFS. (Closed-Leaf check-in: d22c8142 user: mistachkin tags: filesize-debug)
17:00
Fix a missing space in a "wheretrace" comment. No changes to production code. (check-in: b500f2a0 user: drh tags: trunk)
16:11
Add the likely() function for symmetry with unlikely(). The likely(X) function means the same thing as likelihood(X,0.9375). (check-in: 38965484 user: drh tags: trunk)
15:53
Improvements to query planning, especially in regards to estimating the cost and benefit of automatic indexes. (check-in: 1272fb89 user: drh tags: trunk)
15:13
Small tweaks to the query planner to get it to try harder to use an index for sorting and to avoid using automatic indexes on constant terms. (Leaf check-in: 2d9de154 user: drh tags: branch-3.8.3)
13:23
Add the autoindex2.test testing module. (check-in: ffe3fea4 user: drh tags: autoindex-improvements)
12:33
A different approach to the autoindex problem that deletes query-planner code rather than adding it. (check-in: f270fb6e user: drh tags: autoindex-improvements)
09:52
Simplification to the logic that prevents automatic indexes from being formed on constant expressions. (check-in: 36d67e1d user: drh tags: autoindex-improvements)
09:00
Allow an automatic index on a WHERE constraint where the RHS is does not reference another table as long as the RHS is not a constant. (check-in: 58acc2a8 user: drh tags: autoindex-improvements)
02:46
Do not attempt to create an automatic index on a constant constraint, as doing so is pointless. (check-in: d6883e96 user: drh tags: autoindex-improvements)
2014-06-16
22:45
Fix CSV import issue, reported via the mailing list, in the shell when the file to be imported ends with an empty line. (check-in: fc918f7d user: mistachkin tags: trunk)
21:30
In the "wheretrace" logic (disabled for normal builds) expand the print width of the flags field to be wide enough for all 17 bits. (check-in: 3181d206 user: drh tags: trunk)
18:35
Add the SQLITE_UNLINK_AFTER_CLOSE compile-time option. If enabled, the unlink of temporary files on unix is deferred until after the file is closed. (check-in: e43a2f92 user: drh tags: trunk)
18:17
Add an application ID for MBTiles tilesets. (check-in: 837f6404 user: drh tags: trunk)
16:41
Back out the unix VFS changes that seeks to avoid fstat() calls after an unlink(). That change did not clear the problem on FuseFS. (check-in: 0617e20a user: drh tags: trunk)
15:01
Add the ".eqp" dot-command to the ".help" output in the command-line shell. This was accidently omitted when the ".eqp" command was originally implemented for SQLite 3.8.4 (check-in [e6ecf7337658624]). (check-in: b0b4c776 user: drh tags: trunk)
12:51
Fix the extension01.test script so that it works on windows. Fix a harmless compiler warning in the fileio extension. (check-in: baf95a19 user: drh tags: trunk)
12:44
Add test cases for the fileio extension. (check-in: 86343331 user: drh tags: trunk)
2014-06-13
13:43
Add the fileio.c loadable extension, that implements readfile() and writefile() SQL functions. (check-in: 0ca104d8 user: drh tags: trunk)
13:08
Add an extension that implements compress() and uncompress() SQL functions. (check-in: d5c17d1a user: drh tags: trunk)
2014-06-12
17:10
Increase the WAL-mode SQLITE_PROTOCOL timeout to 10 seconds. (check-in: 2aeacf81 user: drh tags: trunk)
15:46
Simplify the estLog() routine. (check-in: 6c68d758 user: drh tags: trunk)
2014-06-10
20:18
Proposed change to the fix for ticket [1c69be2dafc28b] such that legacy applications that were exploiting the older buggy behavior in SQLite continue to work. (Leaf check-in: 401a0ca3 user: drh tags: group-by-name-resolution)
2014-06-09
20:39
Avoid an unnecessary initialization of the szFile field of unixFile in the unix VFS. (check-in: 6484fb5a user: drh tags: trunk)
20:24
Enhance the unix VFS so that it keeps track of the size of unlinked files internally and thus avoids the need to call fstat() on those files, since fstat() does not work reliably on unlinked files on some implementations of FuseFS. (check-in: 10707d35 user: drh tags: trunk)
20:06
Enhance the unix VFS so that it keeps track of the size of unlinked files internally and thus avoids the need to call fstat() on those files, since fstat() does not work reliably on unlinked files on some implementations of FuseFS. (Closed-Leaf check-in: c41df393 user: drh tags: omit-fstat-after-unlink)
13:11
Modify the %nonassoc directive in lemon so that it generates a run-time error rather than a parsing conflict. This changes is due to a bug report on the mailing list. SQLite does not use the %nonassoc directive in its grammar so this change does not affect SQLite. (check-in: 1925f3a0 user: drh tags: trunk)
2014-06-06
20:49
Add a test case to ensure that estLog() works for negative numbers. (check-in: 813469d9 user: drh tags: trunk)
20:20
Make sure the estLog() routine in the query planner handles negative values correctly (always returning 1). Prior to this change, estLog(-1) would return a large number which could throw off the cost computations in the query planner in obscure circumstances. (check-in: 75437bee user: drh tags: trunk)
17:09
Fix an obsolete comment on the whereRangeScanEst() routine. No changes to code. (check-in: b16bf851 user: drh tags: trunk)
2014-06-05
13:22
Bring the threads branch up-to-date with the 3.8.5 release. (check-in: e4b01676 user: drh tags: threads)
12:53
Merge in the 3.8.5 release changes and the FTS integrity-check fix. (check-in: 2dbdfa51 user: drh tags: apple-osx)
11:15
Fix a problem that was causing the FTS4 integrity-check command to fail if the table had one or more "notindexed" columns. (check-in: 7123bb26 user: dan tags: trunk)
2014-06-04
14:06
Version 3.8.5 (check-in: b1ed4f2a user: drh tags: trunk, release, version-3.8.5)
2014-06-03
20:09
Merge the 3.8.5 release candidate changes into the sessions branch. (check-in: 09e75d82 user: drh tags: sessions)
14:42
Avoid closing a pseudo-table associated with sorting in a co-routine since that pseudo-table might be used again in an outer loop. (check-in: 6d818052 user: drh tags: trunk)
11:32
Add a test to double-check that [1cbe7a0883] did not affect anything. (check-in: c6b512a7 user: dan tags: trunk)
2014-06-02
21:00
Remove the WHERE_LIKELIHOOD bit, as it does not seem to effect any result. (check-in: 1cbe7a08 user: drh tags: trunk)
18:24
Fix a typo in a requirements mark comment in a test script. No changes to code. (check-in: 75ff459b user: drh tags: trunk)
11:26
Fix the query planner so that it once again knows that queries without a FROM clause will never return more than one row and hence do not require sorting. (check-in: 9f18b303 user: drh tags: trunk)
09:39
Add the "valgrind-nolookaside" permutation to permutations.test. (check-in: 8e8472d9 user: dan tags: trunk)
2014-05-31
15:43
Fix a harmless "scan-build" compiler warning in the command-line shell. (check-in: 39fafe0a user: drh tags: trunk)
15:39
Fix a compile of harmless static analyzer warnings. (check-in: 7e287f20 user: drh tags: trunk)
2014-05-30
21:01
Revise locking retry semantics in Win32 VFS to abort early if the file handle is reported as invalid. (check-in: a4df4a5b user: mistachkin tags: trunk)
16:54
Add extra checking of the database extended error code. (Closed-Leaf check-in: f2906c44 user: mistachkin tags: winLockHandle)
16:42
Add tests for the invalid file handle detection logic in the winLock() function. (check-in: ed5a9eb4 user: mistachkin tags: winLockHandle)
2014-05-29
20:39
Fix a harmless compiler warning in the command-line shell code. (check-in: a80527f6 user: drh tags: trunk)
20:36
Merge trunk changes into the apple-osx branch. (check-in: b9fad449 user: drh tags: apple-osx)
20:29
Merge trunk changes into the sessions branch. (check-in: 9f18e78f user: drh tags: sessions)
20:24
Merge changes from the trunk into the threads branch. (check-in: 416cb091 user: drh tags: threads)
20:17
Fix to the EXPLAIN indentation logic in the command-line shell. (check-in: 8f916ed1 user: drh tags: trunk)
12:36
Improvements to error messages for errors in the dot-commands of the command-line shell. Add the ".once" command. The output of ".help" now goes to the designated output channel. (check-in: 48dce821 user: drh tags: trunk)
03:17
Only quote the arguments to the ".shell" and ".system" commands if they contain spaces. (check-in: e58f4bd3 user: drh tags: trunk)
2014-05-28
20:22
Add the ".shell" and the ".system" commands (aliases for the same thing) to the command-line shell. (check-in: d018a34a user: drh tags: trunk)
10:00
Add an extra test to verify that the FTS notindexed option is working. (check-in: c461c0fe user: dan tags: trunk)
03:27
Revise locking retry semantics in Win32 VFS to abort early if the file handle is reported as invalid. (check-in: d43e2e59 user: mistachkin tags: winLockHandle)
03:23
Revise how OSTRACE reports logically boolean results in the Win32 VFS. (check-in: c405f971 user: mistachkin tags: trunk)
2014-05-27
20:19
Remove an incorrect assert() in the sorter. (check-in: b8b66103 user: drh tags: trunk)
19:18
Fix harmless compiler warnings. (check-in: 20b75460 user: drh tags: trunk)
18:18
Change the name of the Index.autoIndex field to Index.idxType and provide symbolic names for the various values of that field rather than using magic numbers. (check-in: d16e575d user: drh tags: trunk)
17:57
Avoid unnecessary cursor opens and seeks when running the OR-optimization on a WITHOUT ROWID table. (check-in: 9c785c58 user: drh tags: trunk)
16:41
Improved comments on the OR-optimization logic in the query planner. (check-in: 77fef5a3 user: drh tags: trunk)
15:21
Remove unused code (previously #ifdef-ed out) from btree.c. (check-in: 8bc97371 user: drh tags: trunk)
11:54
Fix a harmless compiler warning in the FTS4 logic. (check-in: 64a869ad user: drh tags: trunk)
11:42
Add a test to whereI.test that uses a multi-column PK. (check-in: aa183e60 user: dan tags: trunk)