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100 check-ins occurring around def98fd23e42bda1.

2011-03-23
22:02
Change the xSetSyscall methods of the VFS so that they do not cast object pointers into function pointers. Fix other unrelated compiler warnings. (check-in: e059152a user: drh tags: trunk)
18:22
Increase the upper bound on SQLITE_MAX_ATTACHED from 30 to 62. (check-in: 7aaf8772 user: drh tags: trunk)
17:10
Fix a bug in fts4 to do with matchinfo and deferred tokens. (check-in: 30d42dc6 user: dan tags: trunk)
16:03
Add the "indirect flag" to the changeset blob format. Also the sqlite3session_indirect() API. (check-in: 1feaf2d3 user: dan tags: sessions)
11:16
In the shell, make sure the ".log" command has at least one argument. (check-in: 1ed5e361 user: drh tags: trunk)
10:52
Fix a numbering issue in rtree6.test. Add a couple of extra tests. (check-in: 0b7668a7 user: dan tags: trunk)
10:38
Change the rtree module to support queries with multiple comparison operators (i.e. > or <) of the same type on a single column. (check-in: 387b55aa user: dan tags: trunk)
2011-03-22
18:45
Add API function sqlite3_preupdate_depth(), for determining the depth of the trigger stack from within a pre-update callback. (check-in: bdea7089 user: dan tags: sessions)
16:54
Fix a crash that can follow an OOM when "all tables" are registered with a session module. (check-in: 183c236e user: dan tags: sessions)
15:21
If a NULL pointer is passed to sqlite3session_attach() in place of a table name, attach all database tables to the session object. (check-in: e9037e4e user: dan tags: sessions)
12:08
Add OOM tests and related fixes for the session module. (check-in: 06048a68 user: dan tags: sessions)
02:03
Fix a couple typos for consistency in sessions documentation. (check-in: 510198f1 user: shaneh tags: sessions)
2011-03-21
19:41
Remove some unreachable code in sqlite3session.c. Add test cases. (check-in: 39cdfa53 user: dan tags: sessions)
17:17
Merge in the sqlite3_db_config() enhancements for enabling and disabling FKs and triggers from trunk. (check-in: 2b3c8b9d user: drh tags: sessions)
17:15
Add the ability to enable and disable foreign key constraints and triggers using calls to sqlite3_db_config(). (check-in: 09e167f9 user: drh tags: trunk)
16:17
Add start of fault-injection tests for session module. Fix some bugs related to the same. (check-in: 32e95164 user: dan tags: sessions)
11:55
Clarify handling of NULL values in PK columns in sqlite3session.h. Add tests and fixes for the same. (check-in: aed42730 user: dan tags: sessions)
11:03
Fix session module problems with real (floating point) values. (check-in: a192d04f user: dan tags: sessions)
07:23
Fix some typos in sqlite3session.h. (check-in: 0853e530 user: dan tags: sessions)
2011-03-20
11:20
Documentation format updates to sqlite3session.h. (check-in: f227f602 user: dan tags: sessions)
2011-03-19
19:19
Fix a problem involving session objects and attached databases. (check-in: ad91d300 user: dan tags: sessions)
18:46
Fix a bug in changeset generation code. (check-in: 825df75b user: dan tags: sessions)
17:07
Move session1.test from test/ to ext/session/. (check-in: c4436a93 user: dan tags: sessions)
16:26
Fix a problem with resizing a hash table in sqlite3session.c. (check-in: 6e5907e1 user: dan tags: sessions)
15:37
Fix some bugs in sqlite3changeset_apply(). (check-in: 7250318d user: dan tags: sessions)
08:38
Fix a problem with INTEGER PRIMARY KEY columns and the pre-update hook. (check-in: 24d4d5dd user: dan tags: sessions)
02:37
Merge the fix to ticket [f7b4edece25c99485] into the sessions branch. (check-in: 1b736ac2 user: drh tags: sessions)
02:04
Add a test case to verify that ticket [f7b4edece25c994857] is fixed. (check-in: eedbcf0a user: drh tags: trunk)
2011-03-18
21:55
Add a generation counter to the Schema object and enhance OP_VerifySchema to also check the Schema generation. Fix for ticket [f7b4edece25c99]. (check-in: 36c04dd1 user: drh tags: trunk)
18:03
Hold the database mutex for the duration of an sqlite3changeset_apply() call. Also for the duration of all sqlite3session_xxx() calls. (check-in: c615c38c user: dan tags: sessions)
16:47
Fixes for compiler warnings. Minor code cleanup. (check-in: 9604d130 user: drh tags: sessions)
16:13
Further improvements to documentation in sqlite3session.h. (check-in: 07019bb9 user: dan tags: sessions)
15:13
Fix a memory allocation issues in the preupdate hook so that the hook.test script runs clean in valgrind. (check-in: bd94f4c8 user: drh tags: sessions)
13:05
Update comments in sqlite3session.h. More to come. (check-in: e73e9082 user: dan tags: sessions)
12:35
Merge all the latest trunk enhancements into the sessions branch. (check-in: 94fd5bb6 user: drh tags: sessions)
2011-03-17
19:20
Change to the session module to use user-defined primary keys instead of rowids when collecting changes. (check-in: 6614cfcb user: dan tags: sessions)
16:45
Update the implementation of ".testctrl" in the command-line shell to use a look-up table rather than a long sequence of if-elses. Shorten source code lines of shell.c to 80 characters or less. (check-in: 54bacb95 user: drh tags: trunk)
01:58
Comment enhancement to better explain the logic in the "x IS NULL" optimization. (check-in: 869f8947 user: drh tags: trunk)
01:53
Backport the "x IS NULL" query planner enhancement of [2353176811f] to the 3.7.2 branch. (check-in: 68daf20d user: drh tags: branch-3.7.2)
01:34
Enhances to the query planner such that "x IS NULL" constraints take the STAT2 statistics into account, just like "x=VALUE" constraints. (check-in: 23531768 user: drh tags: trunk)
2011-03-16
19:59
Add the sqlite3_preupdate_new() API, for retrieving the new.* values from within a pre-update callback. (check-in: 526545c4 user: dan tags: sessions)
18:54
Additional interpretation of flags and constants in the VFS trace output. (check-in: 3e984195 user: drh tags: trunk)
17:05
Add the -vfstrace option to the usage error message in the shell. (check-in: baca45c5 user: drh tags: trunk)
16:56
Add the VFS-trace shim. (check-in: f49a9ef3 user: drh tags: trunk)
09:49
Remove the sqlite3_transaction_hook() API. (check-in: b0015a1c user: dan tags: sessions)
2011-03-15
19:08
Make the "unix-excl" VFS work exactly like "unix" if the database file is read-only. (check-in: d9846834 user: drh tags: trunk)
18:35
Fix an out-of-order variable declaration in shell.c. (check-in: 72570846 user: drh tags: trunk)
16:37
Fix some bugs and other code issues in the session module. (check-in: f2930840 user: dan tags: sessions)
04:45
Allow multiplex file names to be preceeded by prefix of the form ":multiplex:chunksize:maxchunks:" Still work to be done, though it compiles and prefixes are ignored. (check-in: cfa4a2f7 user: shaneh tags: multiplex-enhancements)
02:55
Fix cut-and-paste typo in debugging print statement in winMutexTry(). (check-in: def98fd2 user: shaneh tags: trunk)
2011-03-14
19:49
Fix handling of return values from the conflict handler. Document the conflict handler arguments and return codes in sqlite3session.h. (check-in: cbbb274e user: dan tags: sessions)
13:54
Merge the unix-excl VFS into the trunk. This merge also adds the -vfs option to the command-line shell. (check-in: 3934b004 user: drh tags: trunk)
2011-03-12
18:10
In the "unix-excl" VFS, use the heap for shared memory, since only a single process is able to read or write the database. (Closed-Leaf check-in: a05a6d40 user: drh tags: unix-excl)
17:22
Fix some issues with UPDATE changes in the session module. (check-in: 57862efe user: dan tags: sessions)
17:02
Add the new optional "unix-excl" VFS. This VFS grabs an exclusive lock on the database preventing other processes from accessing it, but continues to allow other database connections from the same process. (check-in: 00051c32 user: drh tags: unix-excl)
05:55
Backport the SQLITE_OMIT_UNIQUE_ENFORCEMENT change from check-in [b86999436e] on the trunk. (check-in: 668b91db user: shaneh tags: branch-3.7.2)
04:58
More tests for SQLITE_OMIT_UNIQUE_ENFORCEMENT and minor change to implementation. (check-in: b8699943 user: shaneh tags: trunk)
2011-03-11
19:05
Add the sqlite3changeset_apply() function. Does not yet handle all cases. (check-in: 2b19be7b user: dan tags: sessions)
16:15
Remove an unused field from the unix sqlite3_file object. (check-in: f957f23a user: drh tags: trunk)
2011-03-10
21:48
Simplification of tests and more added for SQLITE_OMIT_UNIQUE_ENFORCEMENT tests. (check-in: 75a38411 user: shaneh tags: trunk)
21:13
Skip unique constraint enforcement if compiled with SQLITE_OMIT_UNIQUE_ENFORCEMENT. (check-in: ba85bf8c user: shaneh tags: trunk)
03:54
Minor clean-up of previous mem5 allocator fix. (check-in: 36438423 user: shaneh tags: trunk)
2011-03-09
22:09
Backport the OP_Next and OP_Prev for UNIQUE indices patch from checkin [f000c9b2b7] on the trunk. (check-in: 2d55234e user: drh tags: branch-3.7.2)
21:36
Fix issue with mem5 allocator when min request size is larger thatn 2^30. (check-in: d7dae06f user: shaneh tags: trunk)
21:02
Omit unnecessary OP_Next and OP_Prev operators when uniqueness constraints guarantee that the code will only make one pass through the loop. (check-in: f000c9b2 user: drh tags: trunk)
11:17
Add a function to the session extension invert a changeset. (check-in: 75d5dff7 user: dan tags: sessions)
11:04
Updates to the OS/2 implementation from Rich Walsh. (check-in: dc46156a user: drh tags: trunk)
2011-03-08
19:22
Add start of sessions feature. (check-in: 269a81a3 user: dan tags: sessions)
16:39
Merge the syscall-override changes into trunk. (check-in: 36d79e6f user: drh tags: trunk)
14:05
Unix errno integer can vary from one system to the next. So do not depend on specific errno values in test cases. (check-in: ddb747d3 user: drh tags: trunk)
13:06
Fix two compiler warnings. No functional code changes. (check-in: c829868a user: drh tags: trunk)
02:38
Fix additional cases of possible signed integer overflow, especially with regard to negation. (check-in: 2d5800bd user: drh tags: trunk)
2011-03-07
16:12
Backport a fix from [6b0cabd017ed25] (version 3.6.16 - 2009-03-05) to the 3.6.1 branch, a fix that prevents a null pointer deref if one of the column access routines such as sqlite3_column_int() is called with a NULL first parameter. (check-in: df343640 user: drh tags: branch-3.6.1)
2011-03-06
21:54
Another minor simplification brought to light by clang. (check-in: 3bfbf026 user: drh tags: trunk)
21:28
Remove dead code identified by the clang static analyzer. (check-in: 01a79d5a user: drh tags: trunk)
2011-03-05
21:41
Simplifications to the overflow-free multiplier. Also remove some commented-out code that was left in that subroutine by mistake on the previous check-in. (check-in: 55fc25fd user: drh tags: trunk)
20:59
Fix all known instances of signed-integer overflow. Within SQL expressions, integer overflow now forces coercion to floating point. The shift operators work with any integer right-hand operand with negative values reversing the direction of the shift. (check-in: abf21394 user: drh tags: trunk)
13:54
Fix an instance of signed arithmetic overflow and an one bit-shift overflow. Mark six other signed arithmetic overflow locations that need fixing. (check-in: 04abab71 user: drh tags: trunk)
2011-03-04
15:43
Handle EINTR errors from open(). (Closed-Leaf check-in: a7d176b2 user: drh tags: syscall-override)
01:23
Backport the query planner enhancement of [952f5e8c69904] to the 3.7.2 branch. (check-in: 440d9956 user: drh tags: branch-3.7.2)
00:56
Do a better job of choosing the join table order when the tables having very different numbers of rows. (check-in: 952f5e8c user: drh tags: trunk)
2011-03-03
20:06
Add the experimental sqlite3_transaction_hook() API. (check-in: 093d8cd8 user: dan tags: sessions)
2011-03-02
22:07
Fix quoting of the result in rtreeB.test. (check-in: c6532b35 user: drh tags: trunk)
19:06
Add additional VFS methods to retrieve system call pointers and to get a list of all changeable system calls. (check-in: 38558363 user: drh tags: syscall-override)
18:01
Add more system calls to the set that can be overridden in os_unix.c. Also merge in recent fixes from trunk. (check-in: 80fac2a6 user: drh tags: syscall-override)
17:54
Fix bugs in [7b6e30e6a7] that only show up on Mac. (check-in: ec55e8c6 user: drh tags: trunk)
15:44
Make sure the rtreenode() testing and analysis routine in the RTREE extension can handle 64-bit rowids. This fix is in response to a message on the mailing list. (check-in: 24602557 user: drh tags: trunk)
15:09
Proof-of-concept prototype for the proposed xSetSystemCall extension method on the VFS. (check-in: 92b5a76a user: drh tags: syscall-override)
02:08
Log all error from close() in os_unix.c to sqlite3_log() but do not attempt to report errors back up to the application. Update the unix error logging to put the most important information earlier in the message. (check-in: 7b6e30e6 user: drh tags: trunk)
2011-03-01
18:42
Add the experimental sqlite3_preupdate_hook() API. (check-in: 6145d7b8 user: dan tags: sessions)
2011-02-25
03:25
Comment out some code in os_unix.c that only runs on MacOSX with SQLITE_ENABLE_LOCKING_STYLE. (check-in: 4e50b036 user: drh tags: trunk)
2011-02-24
21:10
Fix a typo in a comment. No changes to code. (check-in: af475618 user: drh tags: trunk)
2011-02-23
22:39
Reserve a range of bits in the SQLITE_OPEN_xxxx bit vector for future expansion. (check-in: 9b904654 user: drh tags: trunk)
14:33
Automatically retry system calls that fail with EINTR. This is a backport of the changes from [b9d29ea385bafc] and [af9ba2a6d2c379]. (Leaf check-in: 8609a15d user: drh tags: branch-3.7.4)
14:05
Backport the os_unix.c error logging enhancements from check-in [01076528a43b61a]. (check-in: a4333b15 user: drh tags: branch-3.7.4)
14:00
Fix a typo in the robust_flock() macro for systems without EINTR. (check-in: af9ba2a6 user: drh tags: trunk)
13:53
The robust_flock() fix that accidently included some unrelated, though harmless changes. I should follow my own checklist! (Closed-Leaf check-in: e701efbd user: drh tags: mistake)
13:33
Retry selected system calls on unix when they fail with EINTR. (check-in: b9d29ea3 user: drh tags: trunk)
2011-02-22
03:34
When a stale schema-cookie is seen, expire only the one statement that encountered the bad cookie, not every statement on the database connection. Ticket [b72787b1a7cea1f] (check-in: 1bca0a7e user: drh tags: trunk)
2011-02-21
17:49
Fix a problem with "EXPLAIN QUERY PLAN SELECT count(*) FROM tbl". (check-in: 9f9f3288 user: dan tags: trunk)