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100 check-ins occurring around b17872363b60edab.

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
01:24
Fix a harmless compiler warning in FTS5. check-in: 2ea0c8b4 user: drh tags: trunk
2016-08-10
20:02
Optimization to sqlite3WhereExprUsage(). check-in: 95493058 user: drh tags: trunk
19:43
List of MATCH operator names in isMatchOfColumn() should be constant. check-in: 7319d676 user: drh tags: trunk
18:56
Performance enhancement in the expression walker. check-in: ebccbd96 user: drh tags: trunk
15:02
Tweaks to pcache1TruncateUnsafe() to make it slightly smaller and faster and easier to test. check-in: 059f4e2e user: drh tags: trunk
14:40
Rearrange the code inside sqlite3RunParser() routine so that sqlite3Parser() is only called from a single place. This allows sqlite3Parser() to be in-lined, which results in a 0.25% overall performance gain. check-in: 25d1d02b user: drh tags: trunk
13:34
Increment the version number to 3.15. check-in: 8c2701e7 user: drh tags: trunk
13:30
Improved comments on the lempar.c parser template. Adjust the YY_SHIFT_USE_DFLT constant in the Lemon-generated parser tables so as to guarantee that it is always out of range of the yy_lookahead[] table. check-in: 83622f3f user: drh tags: trunk
11:50
Fix pcache1TruncateUnsafe() run faster for the case where iLimit is very close to iMaxKey. check-in: b07a26df user: drh tags: trunk
03:35
Try to make pcache1TruncateUnsafe() run faster for the case where iLimit is very close to iMaxKey. Leaf check-in: 9ab53605 user: drh tags: debug
02:54
Remove all timers and other debugging logs except for the one timer on pcache1TruncateUnsafe(). check-in: 5980e625 user: drh tags: debug