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100 check-ins occurring around 8384c77ebb3f65fb.

2016-08-26
19:31
Enhance sqlite3FindInIndex() so that it is able to make use of the primary keys at the end of an index. (check-in: 4b589fbf user: drh tags: rowvalue)
18:17
Fix a post-OOM crash in updateRangeAffinityStr(). Add several ALWAYS() macros on unreachable branches. (check-in: 87d40195 user: drh tags: rowvalue)
17:54
Fix a problem with affinity changes and vector range comparisons. (check-in: b34413ac user: dan tags: rowvalue)
13:19
Allow ROWID values in indexed vector comparisons. (check-in: b0cc6be4 user: drh tags: rowvalue)
12:00
Fix a problem in internal function sqlite3OpenTableAndIndices causing an operand of an unrelated VM instruction to be overwritten. Fix for [ef360601]. (check-in: 70901479 user: dan tags: trunk)
04:32
Rename a test procedure in 'speed3.test' to avoid a name collision. (check-in: 84de17bc user: mistachkin tags: trunk)
03:42
Comment improvements. Put ALWAYS and NEVER macros on three unreachable branches. (check-in: 39761700 user: drh tags: rowvalue)
02:10
Adapt the special case of '$' in item names for test 'vtabH-3.1' as well. (check-in: e4aeaa2b user: mistachkin tags: trunk)
01:47
Make the test 'vtabH-3.1' work when there are less than 5 top-level items. (check-in: 328f79bb user: mistachkin tags: trunk)
01:17
Support running the fstree tests in 'vtabH.test' on Windows when not using the system drive. (check-in: 3680f95f user: mistachkin tags: trunk)
01:02
Remove an unreachable branch from sqlite3ExprAffinity() (check-in: 9d96f614 user: drh tags: rowvalue)
2016-08-25
23:24
Fix typos in 'vtabF.test' file. No changes to code. (check-in: a8546fee user: mistachkin tags: trunk)
22:31
Merge recent changes from trunk. (check-in: 5789aab8 user: drh tags: rowvalue)
22:06
Fix the sqlite3_trace_v2() interface so that it goes disabled if either the callback or mask arguments are zero, in accordance with the documentation. (check-in: 37e6c54b user: drh tags: trunk)
21:14
Refactor the sqlite3ExprCodeIN() routine for improved maintainability. (check-in: b56705ae user: drh tags: rowvalue)
17:47
Another fix in the IN-operator algorithm description. (check-in: f474aeac user: drh tags: rowvalue)
17:40
Further refinement of the in-operator.md documentation. (check-in: df064837 user: drh tags: rowvalue)
15:46
Improvements to IN operator code generator comments. Avoid unnecessary Copy operations on the LHS of the IN operator. (check-in: b6344298 user: drh tags: rowvalue)
14:23
Corrections to the IN-operator notes. (check-in: 25033ee9 user: drh tags: rowvalue)
14:00
Add notes on the implementation of the IN operator. (check-in: d256b2ca user: drh tags: rowvalue)
2016-08-24
21:54
Simplified VDBE code for the vector NOT IN null-scanning loop. (check-in: 7ae504e6 user: drh tags: rowvalue)
21:24
Improved extended comments of comparison operators when the SQLITE_STOREP2 flags is set on P5. No changes to non-debug code. (check-in: bbc1b016 user: drh tags: rowvalue)
19:58
Modularize all use of the calling convention macros based on the USE_STDCALL nmake macro. (check-in: e4a56197 user: mistachkin tags: callbackConv)
19:14
Add the sqlite3changebatch_db() API. (check-in: bee44ebc user: dan tags: changebatch)
18:51
In sqlite3FindInIndex(), improve internal comments and avoid an unreachable branch. (check-in: 55945fc1 user: drh tags: rowvalue)
18:50
Fix a bug in the fts5 snippet function causing it to return text containing zero phrase instances. (Closed-Leaf check-in: b174ed2b user: dan tags: fts5-snippet-bias)
18:49
Merge updates from trunk. (check-in: 428fc38d user: mistachkin tags: callbackConv)
18:21
Sync up the MSVC autoconf makefile. (check-in: 77f7c31a user: mistachkin tags: trunk)
17:49
Fix more unreachable branches. (check-in: 6099c180 user: drh tags: rowvalue)
15:37
Add a NEVER() on an unreachable branch in comparisonAffinity(). (check-in: 505a2f20 user: drh tags: rowvalue)
12:22
Fix a buffer overrun in the code for handling IN(...) operators when the LHS of the operator contains indexed columns or expressions. (check-in: f41a0391 user: dan tags: rowvalue)
00:51
The previous OOM fix was bad. Back it out and replace it with a better one. (check-in: 1e3bc369 user: drh tags: rowvalue)
00:25
Avoid a potential null-pointer dereference following an OOM. (check-in: 25f6ed8d user: drh tags: rowvalue)
2016-08-23
19:02
Simplify the row value misuse error message. (check-in: 838c50a5 user: drh tags: rowvalue)
19:02
Add further tests for changebatch. And a fix to prevent a changeset from conflicting with itself. (check-in: 506d6ff4 user: dan tags: changebatch)
18:30
Fix a problem with rowvalue UPDATE when the rowvalue is not the left-most and the RHS is a multi-column subquery. (check-in: e149e6b9 user: drh tags: rowvalue)
18:09
Fix harmless compiler warnings in changebatch. (check-in: a721a738 user: drh tags: changebatch)
17:30
Fix an uninitialized variable in CASE expression code generation. (check-in: c8ffae05 user: drh tags: rowvalue)
17:02
Add a new method to sessions - sqlite3sessions_fullchangeset() - to return a changeset that always contains values for all old.* fields. Update changebatch to use these values to more reliably detect multi-column UNIQUE constraint violations. (check-in: efa761b2 user: dan tags: changebatch)
14:42
Fix the SQLITE_USER_AUTHENTICATION login check so that the SQLITE_AUTH_USER error code correctly propagates and is not overwritten by SQLITE_ERROR. (check-in: c640489d user: drh tags: trunk)
2016-08-22
21:01
Add a couple of extra tests to changebatch1.test. (check-in: 207d970b user: dan tags: changebatch)
20:49
Add an experimental module to detect conflicts between sessions changesets. (check-in: 0c9fd6b7 user: dan tags: changebatch)
20:10
Add support for the SQLITE_DBCONFIG_MAINDBNAME configuration option. (check-in: 78395193 user: drh tags: trunk)
14:30
Fix the vector BETWEEN operator so that it only evaluates the left-most vector expression once. Add support for vector comparisons in the CASE operator. (check-in: 07e69f43 user: drh tags: rowvalue)
00:48
Reinstate the mechanism in BETWEEN that avoids evaluating the first expression more than once, but fix the affinity extractor so that it works with this mechanism. The de-duplication of the first expression still does not work for vector expressions, though. (check-in: 2f39987f user: drh tags: rowvalue)
2016-08-20
22:49
The docs promise the in "x BETWEEN y AND z" the x expression is only evaluated once. That is no longer true, and so some tests are failing. This needs to be fixed before merging to trunk. (check-in: e50d264f user: drh tags: rowvalue)
21:11
Further comment enhancements. No changes to code. (check-in: d4562a9e user: drh tags: rowvalue)
21:02
Clarification of code comments in expr.c. Clean up the implementations of sqlite3ExprIsVector() and sqlite3ExprVectorSize() slightly. (check-in: 4fb66d65 user: drh tags: rowvalue)
18:06
Fixes for problems following OOM errors. (check-in: 9041ee4a user: drh tags: rowvalue)
17:23
Fix other minor problems with the fts5 snippet() function. (check-in: b56b2a85 user: dan tags: fts5-snippet-bias)
17:00
Do not duplicate the Expr.pLeft subtree of a TK_SELECT_COLUMN node. (check-in: 8384c77e user: drh tags: rowvalue)
15:01
Fix a segfault that could occur if a query that used a vector comparison contained certain types of syntax errors. (check-in: 203f07c5 user: dan tags: rowvalue)
12:00
Improvements to the vector comparison splitter in exprAnalyze(). (check-in: a3ffd283 user: drh tags: rowvalue)
01:06
Improvements to comments. No code changes. (check-in: 4165d20f user: drh tags: rowvalue)
00:51
Add support for vector assignments in the SET clause of an UPDATE statement. (check-in: f320d47d user: drh tags: rowvalue)
00:07
Change the way TK_SELECT_COLUMN is handled so that the subquery is only generated once even if part of the vector comparison is used for indexing and the other part is now. This change also is a pathway to vector assignment in UPDATE statements. (check-in: d8feea7d user: drh tags: rowvalue)
2016-08-19
19:58
Replace the magic number (-2) with its symbol XN_EXPR in the exprMightBeIndexed() routine. No logic changes. (check-in: d4a5af69 user: drh tags: rowvalue)
19:12
Improved comments on sqlite3CodeSubquery(). No changes to code. (check-in: acea4ee1 user: drh tags: rowvalue)
18:40
Show the WhereTerm.iField value on debugging output, when it is non-zero. (check-in: 931c9535 user: drh tags: rowvalue)
18:37
Register any built-in fts5 module before loading automatic extensions. This allows automatic extensions to register fts5 tokenizers and auxiliary functions. (check-in: b10e31dc user: dan tags: fts5-snippet-bias)
18:28
Fix an obsolete comment on codeEqualityTerm(). No changes to code. (check-in: d07be5af user: drh tags: rowvalue)
15:41
Merge recent enhancements from trunk. (check-in: b1787236 user: drh tags: rowvalue)
15:17
Merge the VACUUM attached database enhancement from trunk. (Closed-Leaf check-in: 12d5e38d user: drh tags: dbconfig_maindbname)
15:15
Enhance the VACUUM command so that it can operate on an attached database. (check-in: 083f9e62 user: drh tags: trunk)
15:12
Disable row counting on queries run while doing a VACUUM. (Closed-Leaf check-in: ad35ef11 user: drh tags: vacuum-attached-db)
14:25
Have the fts5 snippet() function avoid favouring snippets that begin with sentences that do not contain search terms. Add an extra bias in favour of the first sentence in the document. (check-in: d8180af2 user: dan tags: fts5-snippet-bias)
14:20
Add the capability to VACUUM an attached database by specifying the schema name as an argument to the VACUUM command. Since version 2.0, VACUUM has accepted an argument which was silently ignored. Now it has meaning. (check-in: 29d63059 user: drh tags: vacuum-attached-db)
2016-08-18
22:44
Add the SQLITE_DBCONFIG_MAINDBNAME interface. (check-in: d6e3d579 user: drh tags: dbconfig_maindbname)
22:19
Change the name of Db.zName to Db.zDbSName for improved long-term code maintainability. (check-in: cb9865e1 user: drh tags: trunk)
20:56
Fix a zName to zDbSName conversion missed in the previous check-in. (Closed-Leaf check-in: d7cf423c user: drh tags: zDbSName)
19:04
Fix a SQL NULL handling bug in the vector IN operator code generation. (check-in: 936146b1 user: drh tags: rowvalue)
18:09
Display SELECT_COLUMN expressions in the .wheretrace debugging output. (check-in: 3b27a5da user: drh tags: rowvalue)
17:55
Display VECTOR expressions in .wheretrace and .selecttrace debugging output. (check-in: 157347e2 user: drh tags: rowvalue)
15:36
Since the TK_VECTOR token is not actually used by the parser, make it an extra token code added by the tool/addopcodes.tcl script during parser build. (check-in: b40b202c user: drh tags: rowvalue)
15:21
Merge recent enhancements from trunk. (check-in: 4768a106 user: drh tags: rowvalue)
15:15
Simplify the vector comparison code generator logic, and the resulting VDBE code. (check-in: e2ad0b5d user: drh tags: rowvalue)
14:47
Adjust some tests to account for recent changes to the fts5 snippet function. (check-in: 184ecbe9 user: dan tags: fts5-snippet-bias)
14:33
Rename the Db.zName field to Db.zDbSName to make it more descriptive and to distinguish it from all of the other "zName" variables scattered throughout the code. (check-in: 92a22f01 user: drh tags: zDbSName)
2016-08-17
19:05
Bias the fts5 snippet() function to return snippets that look like they start at the start of sentences. (check-in: 60de1594 user: dan tags: fts5-snippet-bias)
11:14
Fix a problem in the fts5 snippet() auxiliary function. (check-in: a861713c user: dan tags: trunk)
2016-08-16
16:46
Fix a bug in destructor processing of Lemon. That has no impact on the SQLite grammar. The bug was introduced by prior work to optimize the Lemon-generated parser used by SQLite. (check-in: f9035b8e user: drh tags: trunk)
2016-08-13
14:30
Questionable changes to support interruptible checkpoint in ZipVFS. (Leaf check-in: c7a9f26d user: dan tags: interruptible-checkpoint)
14:17
Remove an unnecessary stack variable from sqlite3VdbeExec(). (Closed-Leaf check-in: c54bd9c8 user: drh tags: vector-compare)
13:03
Improvements to commits. No code changes. (check-in: 18f5a3be user: drh tags: vector-compare)
12:37
Fix to the vector less-than operator. All legacy tests passing now. (check-in: ec70a67e user: drh tags: vector-compare)
10:34
Fix an fts5 problem with corrupt database handling found by address-sanitizer. (check-in: e22252e1 user: dan tags: trunk)
10:02
Attempt to simplify the logic and generated code for vector comparisons. Basic comparison operators are working, but there are many indexing test failures still to be worked through. (check-in: dfc028cf user: drh tags: vector-compare)
06:38
Fix a buffer overread in fts5. (check-in: fcfbee6c user: dan tags: trunk)
2016-08-12
16:21
Have wal file checkpoints exit early if the sqlite3_interrupt() API function is called. (check-in: 8a5f41c7 user: dan tags: interruptible-checkpoint)
11:25
Add VdbeCoverage() macros on newly added VDBE branch operations. (check-in: 381aa731 user: drh tags: rowvalue)
11:01
Fix a post-OOM memory leak. (check-in: 14009b32 user: drh tags: rowvalue)
2016-08-11
19:12
Merge version 3.14 plus some subsequent patches (including the page-cache performance patch) from trunk. (check-in: d9f8918c user: drh tags: begin-concurrent)
18:53
Version 3.14.1 (check-in: a12d8059 user: drh tags: release, branch-3.14, version-3.14.1)
18:05
Add the "modeof=<filename>" URI parameter to os_unix.c - used to specify a file to copy permissions from when a new database is created. Also allow passing NULL as the second parameter to sqlite3rbu_vacuum(). (check-in: ed406d31 user: dan tags: trunk)
13:51
Fix a 1 byte buffer overwrite in the "sqldiff --rbu" command. (check-in: 1adb22f5 user: drh tags: branch-3.14)
13:08
Increase the version number to 3.14.1. (check-in: 34aed3a3 user: drh tags: branch-3.14)
13:03
Enhance sqlite3PcacheTruncate() to run faster in the common case where the cutoff is just a few pages less than the page number highwater mark. (check-in: 03dceaea user: drh tags: branch-3.14)
12:31
Merge recent changes from trunk. (check-in: 959677b9 user: drh tags: rowvalue)
12:01
Fix some problems with handling "no such collation sequence" errors. (check-in: 8278be06 user: dan tags: rowvalue)
09:55
Fix a 1 byte buffer overwrite in the "sqldiff --rbu" command. (check-in: ab83d707 user: dan tags: trunk)