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100 check-ins occurring around 4e92c7f20afa5184.

2009-06-15
16:27
Fix compiler warnings with MSVC build. (CVS 6761) (check-in: e1e64307 user: shane tags: trunk)
03:28
Version 3.6.15 (CVS 6760) (check-in: aff34826 user: drh tags: trunk, release, version-3.6.15)
00:04
Update the configuration script for version 3.6.15. (CVS 6759) (check-in: 14df65dc user: drh tags: trunk)
2009-06-14
12:47
Detect database corruption and abort balance_nonroot() before the corruption causes problems. (CVS 6758) (check-in: 3448b39d user: drh tags: trunk)
2009-06-12
17:46
Change lemon so that it does not generate yytestcase() macros on destructor cases since destructors are commonly unreachable in a reasonable grammar. For the reduce-rule switch, gather all no-ops into the "default:" case. (CVS 6757) (check-in: caebfe82 user: drh tags: trunk)
15:47
The previous check-in ((6755)) put in more yytestcase() macros than are called for. This check-in addresses that problem. (CVS 6756) (check-in: a5b182f9 user: drh tags: trunk)
13:53
The lemon parser generator now inserts yytestcase() macros on reduce action and on each destructor, to verify that all have been executed. yytestcase() is a no-op by default but can be set to something more useful inside of %include. (CVS 6755) (check-in: fe9c9177 user: drh tags: trunk)
12:50
In lemon: omit unused entries from the end of the yyFallback array. (CVS 6754) (check-in: 9cfbe2ba user: drh tags: trunk)
12:04
Enable the SQLITE_LIMIT_FUNCTION_ARG limiter. (CVS 6753) (check-in: a17e3317 user: drh tags: trunk)
11:42
Remove a C++-ism from the code. Ticket #3912. (CVS 6752) (check-in: bc729bc3 user: drh tags: trunk)
03:47
An additional memory leak in the parser fixed. Ticket #3911. (CVS 6751) (check-in: 6197b492 user: drh tags: trunk)
03:27
Make sure nested queries with USING clauses do not leak memory. Preliminary fix for ticket #3911. (CVS 6750) (check-in: bd341a10 user: drh tags: trunk)
02:27
Modifications to the parser to eliminate unreachable code. (CVS 6749) (check-in: 457e0b24 user: drh tags: trunk)
2009-06-11
17:32
Honor the SQLITE_OPEN_READONLY flag even on a :memory: or temporary database, even though such a database is pointless. Ticket #3908. (CVS 6748) (check-in: 73ba841a user: drh tags: trunk)
17:04
Add an ALWAYS() to a conditional in where.c. (CVS 6747) (check-in: 1fdb3e1e user: drh tags: trunk)
00:47
Changes to reenable codec operation and to handle memory allocation failures within a codec. (CVS 6746) (check-in: 43a6ca98 user: drh tags: trunk)
2009-06-10
19:33
Do not let the reverse_unordered_selects pragma force the use of an index that would not otherwise be used. Ticket #3904. Also: remove an test which is always true. (CVS 6745) (check-in: 78a391dc user: drh tags: trunk)
11:07
Remove a NEVER() that can sometimes occur on an OOM error. (CVS 6744) (check-in: c27f23bb user: drh tags: trunk)
09:11
Minor tweak to balance_quick() to save a few instructions. (CVS 6743) (check-in: 9ace9959 user: danielk1977 tags: trunk)
2009-06-09
19:53
Remove the actual checks that verify that memory pools (such as set up using SQLITE_CONFIG_HEAP) are 8-byte aligned. But document that 8-byte alignment is required. (CVS 6742) (check-in: e9b55ccc user: drh tags: trunk)
18:58
Fix compiler warnings with MSVC build. (CVS 6741) (check-in: 0bd84e73 user: shane tags: trunk)
18:14
Avoid a false failure report in the test scripts caused by the vdbe stack "compression" script. (CVS 6740) (check-in: 9d332989 user: shane tags: trunk)
18:02
Require that the buffer specified by SQLITE_CONFIG_HEAP be 8-byte aligned. (CVS 6739) (check-in: 18b78068 user: drh tags: trunk)
18:01
Changes to tokenize.c to facilitate full coverage testing. (CVS 6738) (check-in: 5e8c48cf user: drh tags: trunk)
15:25
Change savepoint4.test to limit database growth. Otherwise the test can take a very long time to run, depending on the prng. (CVS 6737) (check-in: ed1d4f47 user: danielk1977 tags: trunk)
14:27
Modify mkkeywordhash.c so that it puts the original text of each token in a comment beside the "testcase()" macros. (CVS 6736) (check-in: a7d0817c user: drh tags: trunk)
13:42
Enable cell overflow checking in sqlite3BtreeInitPage() using the compile-time option SQLITE_ENABLE_OVERSIZE_CELL_CHECK. Change the tests so that they recognize different error messages depending on the setting of this macro. (CVS 6735) (check-in: 56bff6eb user: drh tags: trunk)
11:34
Avoid calling fillInCell() to create an internal node intkey cell from balance_nonroot(). A single putVarint() does the same thing more quickly. (CVS 6734) (check-in: 2e5d42ae user: danielk1977 tags: trunk)
10:37
Only do the cell overread checks in sqlite3BtreeInitPage if SQLITE_OVERREAD_CHECK is defined at compile-time. (CVS 6733) (check-in: 49f544eb user: drh tags: trunk)
09:41
Do not clear the MemPage.nFree variable when insertCell() adds an overflow cell to a page. Not doing this means balance_quick() can avoid a call to sqlite3BtreeInitPage(). (CVS 6732) (check-in: 8f1c1f61 user: danielk1977 tags: trunk)
2009-06-08
19:44
Additional comments to clarify the operation of the LIKE optimizer in where.c. (CVS 6731) (check-in: cc9c1217 user: drh tags: trunk)
17:11
Clarification of the operation of the OR-term optimizer in where.c. (CVS 6730) (check-in: 6b42dc3d user: drh tags: trunk)
14:49
Change the btree balance code so that it does not call balance_nonroot() recursively. (CVS 6729) (check-in: 7863db90 user: danielk1977 tags: trunk)
12:52
Increase the version number to 3.6.15 in preparation for the next release. (CVS 6728) (check-in: 456ea541 user: drh tags: trunk)
2009-06-07
23:45
Disable the LIKE optimization if the affinity of the LHS column is not TEXT. Ticket #3901. (CVS 6727) (check-in: a255c645 user: drh tags: trunk)
2009-06-06
19:21
Update the error message on one of the corruption tests to account for the fact that we are finding the corruption sooner. (CVS 6726) (check-in: ba9848e7 user: drh tags: trunk)
16:08
Fix an error in the malloc.test test script causing a small buffer overread. (CVS 6725) (check-in: 4d129bee user: danielk1977 tags: trunk)
15:17
Make sure the result of sqlite3VdbeGetOp() is not used as an array following an OOM error, since after (6691) it might be a single-entry dummy opcode. (CVS 6724) (check-in: 127b1398 user: drh tags: trunk)
14:13
When building in debug mode with gcc, force the nullMem variable in function columnMem() to be aligned to an 8-byte boundary. Otherwise an assert() statement may fail. (CVS 6723) (check-in: 3fd6c72d user: danielk1977 tags: trunk)
2009-06-05
18:44
Detect when database corruption causes an attemp to set the pointer map value for a pointer map page and report the corruption. (CVS 6722) (check-in: 3ae4880b user: drh tags: trunk)
17:09
Remove leftover "breakpoint" commands from test scripts. Also remove blank lines at the end of scripts. (CVS 6721) (check-in: 1fef16ec user: drh tags: trunk)
16:46
Do not cast an unsigned int into an int for comparison. (CVS 6720) (check-in: 302ab855 user: drh tags: trunk)
14:17
Take care that a corrupt variable-length integer does not cause 32-bit integer overflow when parsing a record format, nor cause excessively large memory allocations. (CVS 6719) (check-in: 38b20327 user: drh tags: trunk)
2009-06-04
19:06
Earlier detection of freelist corruption in the page allocation routines. (CVS 6718) (check-in: e557c8e5 user: drh tags: trunk)
17:02
Fix an assertion fault in balance_quick() that occurs when an interior btree node has zero cells due to database corruption. Also update the corrupt7.test result vectors for a couple of cases where the error report on database corruption changed due to earlier detection. (CVS 6717) (check-in: 1335e444 user: drh tags: trunk)
16:14
If the root page of a btree is empty and is also not a leaf page and the page is not page 1, then report database corruption. (CVS 6716) (check-in: 52b02ca5 user: drh tags: trunk)
14:46
Reduce the stack usage of balance_quick(). (CVS 6715) (check-in: e7ad68e9 user: danielk1977 tags: trunk)
02:47
Minor updates to comments in test scripts. (CVS 6714) (check-in: 453ff88f user: shane tags: trunk)
02:46
Minor tweak to test script to ensure every byte in file touched at least once. (CVS 6713) (check-in: bc6c2d89 user: shane tags: trunk)
00:11
Fix two instances where a malformed header in a database file (in other words a corrupt database file) can lead to an assertion fault. (CVS 6712) (check-in: 4e92c7f2 user: drh tags: trunk)
2009-06-03
21:04
Change the pcache1.c implementation so that the "header" occurs at the end of page buffer, not at the beginning. This insures that the 20 bytes immediately following the page buffer are mapped if a read of the page buffer overruns due to a malformed cell. (CVS 6711) (check-in: c54de1f5 user: drh tags: trunk)
17:26
Add corruptD.test, a container for testing the "cell overflow" problem. Also shuffle a small amount of code in BtreeInitPage() to check that the page header pointer to the start of the cell offset array is set to a sane value. (CVS 6710) (check-in: 7fa5d3cb user: danielk1977 tags: trunk)
11:25
Define a set of constants to use as the "index" argument to sqlite3BtreeGetMeta and UpdateMeta. This makes some parts of the code easier to follow. (CVS 6709) (check-in: 6dbf4eca user: danielk1977 tags: trunk)
01:24
Additional changes to reduce stack usage. The SQLITE_SMALL_STACK compile-time option is now available. (CVS 6708) (check-in: baea79fd user: drh tags: trunk)
2009-06-02
21:31
Further reductions in the amount of stack space required. (CVS 6707) (check-in: 04bad9eb user: drh tags: trunk)
16:06
Tweaks to vdbe.c to further reduce stack space requirements. (CVS 6706) (check-in: 6f2aab3f user: drh tags: trunk)
15:47
Add a test case for ticket #3893 and ticket #3894. (CVS 6705) (check-in: 2472f6db user: drh tags: trunk)
15:21
Add the vdbe-compress.tcl script which automatically refactors the sqlite3VdbeExec() routine to use less stack space. Use this script when constructing the amalgamation. (CVS 6704) (check-in: 7f433918 user: drh tags: trunk)
2009-06-01
19:53
Avoid allocating large objects on the stack in the incremental BLOB I/O interface. (CVS 6703) (check-in: ea7dfde7 user: drh tags: trunk)
18:18
Malloc for space to hold the Parse object in sqlite3_prepare() and friends. Or, if compiled with SQLITE_USE_ALLOCA, obtain space for the object from alloca(). (CVS 6702) (check-in: c7c0c58e user: drh tags: trunk)
17:10
Added assert to verify winMutex system is inited before "static" mutexes are used. (CVS 6701) (check-in: b126013b user: shane tags: trunk)
17:06
Ensure that "static" mutexes are deleted on shutdown so that they are not leaked across restarts. (CVS 6700) (check-in: 4e75897e user: shane tags: trunk)
16:53
Fix compiler warnings with MSVC build. (CVS 6699) (check-in: 07915885 user: shane tags: trunk)
16:42
Fix a couple of Windows only issues with test scripts. (CVS 6698) (check-in: 0f6bc5e1 user: shane tags: trunk)
2009-05-31
21:21
Code simplifications to facilitate coverage testing following the recent changes to the Expr object. (CVS 6697) (check-in: ee9a144d user: drh tags: trunk)
17:16
Fix the ".genfkey" command of the CLI so that it does not leak memory if sqlite3_realloc() fails. Ticket #3891. (CVS 6696) (check-in: a028d69c user: drh tags: trunk)
2009-05-30
23:35
Fix typo reported by ticket #3888. Other minor edits to facilitate coverage testing. (CVS 6695) (check-in: 164adf26 user: drh tags: trunk)
20:49
Simplifications to the expr.c source module resulting from structural testing. (CVS 6694) (check-in: f760bb7a user: drh tags: trunk)
14:16
Fix for ticket #3887. Other unrelated bits of code cleanup in the expr.c source module. (CVS 6693) (check-in: 00e7250f user: drh tags: trunk)
10:46
In vacuum.c use "PagerIsMemdb(X)" instead of "PagerFile(X)->pMethods==0". (CVS 6692) (check-in: 874295ce user: danielk1977 tags: trunk)
2009-05-29
19:00
Enhance the sqlite3VdbeGetOp() routine so that it always returns a pointer to VdbeOp, even following an OOM fault. This simplifies error handling in callers. Cleanup to the column cache logic and the expr.c source module. (CVS 6691) (check-in: ede06dac user: drh tags: trunk)
14:39
Refinements in expression handling logic that have resulted from recent structural testing. (CVS 6690) (check-in: bd89f2c2 user: drh tags: trunk)
11:57
Still more refinements to the hasHotJournal() fix of ticket #3883. (CVS 6689) (check-in: 726b425e user: drh tags: trunk)
10:55
The hasHotJournal() fix of check-in (6687) causes some minor problems in various alternative operating modes, such as locking_mode=EXCLUSIVE. This additional patch attempts to fix those concerns. Ticket #3883. (CVS 6688) (check-in: a2ba61d9 user: drh tags: trunk)
00:30
Modify the hasHotJournal() routine to return a false-positive if it is unable to open the journal file to check its header due to a race condition. Processing downstream of hasHotJournal() already knows how to deal with false-positives. Ticket #3883. (CVS 6687) (check-in: d6b5d8e1 user: drh tags: trunk)
2009-05-28
21:04
Remove references to deleted function sqlite3ExprRegister(). Changes to the expr.c source module to promote better testing. (CVS 6686) (check-in: 6ae4ad6e user: drh tags: trunk)
14:34
Fix a NULL pointer dereference following an OOM error in the column name resolver. (CVS 6685) (check-in: 3b461425 user: drh tags: trunk)
12:49
Make sure the column name resolver does not try to duplicate Expr.u.zToken when the Expr.u.iValue union member is the element being used. (CVS 6684) (check-in: 376ecf0d user: drh tags: trunk)
11:05
Workaround the need for internal API sqlite3BtreeCursorDb(). It was only being used for an assert() statement, which can be done differently. (CVS 6683) (check-in: 5904af6e user: danielk1977 tags: trunk)
01:00
Additional refinements to Expr handling. Restore compression of trigger expressions. Change Expr.zToken to Expr.u.zToken and added Expr.u.iValue. Remove an unnecessary ExprDup from CHECK constraint processing. And so forth. (CVS 6682) (check-in: 4ac2bdfb user: drh tags: trunk)
2009-05-27
10:31
Simplifications to the Expr object: Remove Expr.span completely and convert Expr.token into a char* Expr.zToken. Also simplify the Token object by removing the Token.dyn and Token.quoted fields. (CVS 6681) (check-in: 7cb1c3ba user: drh tags: trunk)
2009-05-25
15:00
Version 3.6.14.2 (CVS 6680) (Leaf check-in: ab76d1a2 user: drh tags: branch_3_6_14, release)
14:17
Fix the rtree test module so that it works even if the ext/ subfolder is omitted from the tree. (CVS 6679) (check-in: 086206e1 user: drh tags: trunk)
12:40
Update the configure script for version 3.6.14.2. (CVS 6678) (check-in: 58373119 user: drh tags: branch_3_6_14)
12:02
Port the fix for ticket #3879 (check-in (6676)) to the 3.6.14 branch. (CVS 6677) (check-in: d2fdae8e user: drh tags: branch_3_6_14)
11:46
When pinning a temp register after it is reused by the column cache, make sure all instances of that register in the cache are pinned so that the register is never reused for a different purpose. Ticket #3879. (CVS 6676) (check-in: 5f358e63 user: drh tags: trunk)
11:46
Add a test case for ticket #3879. (CVS 6675) (check-in: 5b9b66f4 user: danielk1977 tags: trunk)
2009-05-24
21:59
Additional clarification of the 3rd parameter to sqlite3_create_function(). Documentation change only; no changes to code. Ticket #3875. (CVS 6674) (check-in: dd75e376 user: drh tags: trunk)
11:08
In the previous, the upper bound on the number of function arguments is 127, not 255. Ticket #3876 (CVS 6673) (check-in: 4fe4c5fa user: drh tags: trunk)
11:07
Correct and clarify the documentation on the third parameter to sqlite3_create_function(). (CVS 6672) (check-in: 6b7929ed user: drh tags: trunk)
2009-05-22
15:43
Do not transform a WHERE clause of the form "a = ? OR a = ?" to "a IN (?, ?)" if "a" is a column of a virtual table. Ticket #3871. (CVS 6671) (check-in: fad88e71 user: danielk1977 tags: trunk)
11:12
Add an assert() to pcache1.c to double-check that page cache buffer memory is never allocated if pcache1 is not enabled. Ticket #3872 (CVS 6670) (check-in: 93369d91 user: drh tags: trunk)
11:10
Additional changes to pcache1 to prevent the page buffer memory from being configured if pcache1 is not enabled. Ticket #3872. (CVS 6669) (check-in: 5153ad19 user: drh tags: trunk)
10:53
Make sure sqlite3_shutdown() completely disables the default pager cache mechanism in pcache1.c. Ticket #3872. Also fix some comments associated with configuring the page cache. (CVS 6668) (check-in: 6240992c user: drh tags: trunk)
01:02
Add omitted word in the documentation for total_change_count(). ticket #3870. (CVS 6667) (check-in: 3f6fd16f user: drh tags: trunk)
01:00
Fix an 8-byte alignment problem on HP/UX. Ticket #3869 (CVS 6666) (check-in: fc64f850 user: drh tags: trunk)
2009-05-21
20:41
Simplifications to expr.c in support of full coverage testing. (CVS 6665) (check-in: 309adb5e user: drh tags: trunk)
15:15
In the CLI in the ".dump" command, do not attempt to clear the sqlite_sequence table until the first row of content of that table is seen. Ticket #3867 (CVS 6664) (check-in: bedd5ad1 user: drh tags: trunk)
14:51
In the CLI, always "dump" the sqlite_sequence table last. Ticket #3867 (CVS 6663) (check-in: a0028d48 user: drh tags: trunk)
04:42
Add conditional 'extern "C"' block to sqlite3async.h. Ticket #3866. (CVS 6662) (check-in: e4d1b117 user: danielk1977 tags: trunk)