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67 check-ins using file src/mem2.c version 692c5b50

2009-03-23
02:34
Fix compiler warning in MSVC. (CVS 6371) (check-in: 83a4d5b3 user: shane tags: trunk)
2009-03-22
20:36
Allow the keyword INDEXED to be used as the name of a table or index or column - for backwards compatibility. (CVS 6370) (check-in: 53149c9f user: drh tags: trunk)
2009-03-21
16:19
Update comments in build.c to conform to the latest implementation. (CVS 6369) (check-in: a915e8e0 user: drh tags: trunk)
14:56
Rig the unix backend to use fdatasync() by default, without having to set the HAVE_FDATASYNC macro. Systems that do not support fdatasync() can be compiled using -Dfdatasync=fsync. (CVS 6368) (check-in: a3315627 user: drh tags: trunk)
14:41
On unix, always use fdatasync() instead of fsync() when available, even if the file size changes, since (we are told) fdatasync() will automatically flush the inode when the file size changes. (CVS 6367) (check-in: 0d6b11bc user: drh tags: trunk)
2009-03-20
15:16
Add a test to try to hit the race-condition fixed by (6363). (CVS 6366) (check-in: 4310411f user: danielk1977 tags: trunk)
14:42
Fix an assert failure introduced by (6355). (CVS 6365) (check-in: a08324d1 user: danielk1977 tags: trunk)
14:18
Make sure struct WhereClause is aligned on an 8-byte boundary. Fix for #3613, #3736. (CVS 6364) (check-in: 093a0cf4 user: danielk1977 tags: trunk)
13:15
Rename the unused MEM2 static mutex to OPEN and reuse it to serialize access to the sqlite3BtreeOpen() routine to prevent a race condition on detection of sharable caches. Ticket #3735. (CVS 6363) (check-in: 19fa5a29 user: drh tags: trunk)
10:24
Fix a problem in thread005.test cause errors on osx. (CVS 6362) (check-in: 56e6fca1 user: danielk1977 tags: trunk)
09:09
Fix a problem in loadext.test causing an error on OSX. This is not a real problem, just a case of the test script expecting a slightly different error message than the one returned. (CVS 6361) (check-in: 18680989 user: danielk1977 tags: trunk)
2009-03-19
18:51
Fix a couple of fairly obscure cases where an assert() could fail following a malloc failure. (CVS 6360) (check-in: cc0d9256 user: danielk1977 tags: trunk)
07:58
Change sqlite3_step() to return SQLITE_LOCKED if a statement cannot be re-compiled due to locks on the shared-cache schema. Also add a blocking wrapper of sqlite3_prepare_v2() to the test code. (CVS 6359) (check-in: e8be1af9 user: danielk1977 tags: trunk)
2009-03-18
18:43
Fix a crash that could occur when creating an index in shared-cache mode with lookaside enabled. (CVS 6358) (check-in: 097737e3 user: danielk1977 tags: trunk)
13:55
Modify test script backup2.test so that it works on OSX. (CVS 6357) (check-in: d82e8cd4 user: danielk1977 tags: trunk)
10:36
Add comments and testcase() macros to the fix for shared-cache schema default value problem of check-in (6353). (CVS 6356) (check-in: 05d8607d user: drh tags: trunk)
10:33
Fix some cases where executing SQL from within a user-function callback could cause problems related to statement-transactions. (CVS 6355) (check-in: a60f4191 user: danielk1977 tags: trunk)
2009-03-17
22:33
Move the rowid cache out of VdbeCursor and into BtCursor. When multiple BtCursors are open on the same table, set their rowid cache all at the same time. Ticket #3731. (CVS 6354) (check-in: 18978583 user: drh tags: trunk)
17:49
Fix a problem that could cause a crash when a shared-cache schema contains column default values. (CVS 6353) (check-in: afadddc3 user: danielk1977 tags: trunk)
15:39
Fix test script bugs in the thread002.test and thread_common.tcl. (CVS 6352) (check-in: d137e841 user: drh tags: trunk)
2009-03-16
17:07
Make sure the finished() array in thread005.test is cleared before the script starts. (CVS 6351) (check-in: ddadc25d user: drh tags: trunk)
14:48
Modify quick.test to support the QUICKTEST_INCLUDE environment variable, which can be used to override the built-in EXCLUDE list. (CVS 6350) (check-in: fdfe22f0 user: danielk1977 tags: trunk)
13:37
Additional hyperlinks in the sqlite3_unlock_notify() documentation. (CVS 6349) (check-in: 4dae5f6e user: drh tags: trunk)
13:19
Add the sqlite3_unlock_notify() API. (CVS 6348) (check-in: b649a6cc user: danielk1977 tags: trunk)
12:30
Bump the version number to 3.6.12. (CVS 6347) (check-in: 2fcccca3 user: drh tags: trunk)
10:59
Remove surplus white space from shell.c. Use strlen30() instead of strlen(). (CVS 6346) (check-in: 324a1aff user: drh tags: trunk)
2009-03-14
08:37
Fix for #3719. When synthesizing a CREATE TABLE statement as as result of a "CREATE TABLE AS", quote the column type names unless they are simple identifiers or simple identifiers followed by one or two dimensions (e.g. "VARCHAR(10)"). (CVS 6345) (check-in: 7c6437ef user: danielk1977 tags: trunk)
2009-03-13
15:32
Do not overrun a buffer in the genfkey code (now part of shell.c). Fix for #3722. (CVS 6344) (check-in: 943b11fb user: danielk1977 tags: trunk)
2009-03-12
15:43
Avoid fts3 crash on (MATCH '""') expressions. Ticket #3717. (CVS 6343) (check-in: 03679857 user: danielk1977 tags: trunk)
14:43
Make calls to sqlite3BtreeRollbackStmt() no-ops when passed a Btree* handle that does not have an open statement transaction. Ticket #3718. (CVS 6342) (check-in: a1bb1aef user: danielk1977 tags: trunk)
2009-03-05
14:59
Begin purging dirty pages from the cache once 90% of the cache is dirty (insteadof waiting until it is 100% dirty). This improves performance in some circumstances by effectively reserving 10% of the configured page-cache for frequently reused read-only pages. (CVS 6341) (check-in: 823fe7f5 user: danielk1977 tags: trunk)
14:53
Comment out a recently added assert statement that is failing. (CVS 6340) (check-in: d0b2015f user: danielk1977 tags: trunk)
05:54
Implemented winSectorSize(); Other changes for consistency. os_win.c. Ticket #2931. (CVS 6339) (check-in: 68abcb27 user: shane tags: trunk)
04:27
Changes to cleanup and improve the consistency of tests for large file support in bigfile.test. (CVS 6338) (check-in: 3dbdf680 user: shane tags: trunk)
04:23
Added some asserts and a check for a null pointer dereference. (CVS 6337) (check-in: 6b0cabd0 user: shane tags: trunk)
04:20
Corrected typos and misspellings. Ticket #3702. (CVS 6336) (check-in: 6404afa0 user: shane tags: trunk)
03:48
Removed compiler warnings from MSVC builds. Ticket #3701. (CVS 6335) (check-in: 5477833e user: shane tags: trunk)
2009-03-02
17:18
Converted EXPR_*SIZE macros to use offsetof() to avoid MSVC compiler warnings. (CVS 6334) (check-in: 5e8e16f7 user: shane tags: trunk)
14:24
Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT option for the new Expr compression logic of check-in (6305). Bug discovered during regression testing. (CVS 6333) (check-in: 91969eda user: drh tags: trunk)
01:22
Fix a bug in the GROUP BY alias name resolution. The bug was by check-in (6305). Discovered by regression test on 64-bit linux. Test cases added so that the problems is detected on 32-bit systems. (CVS 6332) (check-in: fa000850 user: drh tags: trunk)
2009-03-01
22:29
Suppress some compiler warnings (where possible). Ticket #3696. (CVS 6331) (check-in: a2373e54 user: drh tags: trunk)
19:42
Fix a critical bug in the VDBE opcode array resizer introduced by check-in (6307). Bug detected by regression testing. (CVS 6330) (check-in: ec3b18ac user: drh tags: trunk)
2009-02-28
10:47
Instead of linking temporary triggers on non-temporary tables into the Table.pTrigger list, search the temp schema for them on demand. Fix for #3688. (CVS 6329) (check-in: 3befe1ef user: danielk1977 tags: trunk)
2009-02-26
07:15
In sqlite3_table_column_metadata(), hold the mutex on all attached BtShared objects while accessing schema objects. Fix for #3679. (CVS 6328) (check-in: d197afd6 user: danielk1977 tags: trunk)
2009-02-25
19:07
Move the new genfkey shell command out from within #ifdef _WIN32_ (CVS 6327) (check-in: 48ee0e47 user: drh tags: trunk)
15:43
Remove genfkey.c. Change genfkey.README to talk about the new shell dot-command, not the old standalone genfkey program. (CVS 6326) (check-in: 36d69966 user: danielk1977 tags: trunk)
15:22
Add the 'genfkey' functionality to the sqlite3 shell. Accessed using a new dot-command - ".genfkey". (CVS 6325) (check-in: 0a59fb28 user: danielk1977 tags: trunk)
08:56
Minor changes and coverge tests for "SELECT count(*)" optimization. (CVS 6324) (check-in: a3695b98 user: danielk1977 tags: trunk)
2009-02-24
19:21
Additional commands and another procedure name changes for clarity of presentation. No logic changes. (CVS 6323) (check-in: 91d9d51e user: drh tags: trunk)
18:57
Changes to comments and functions/procedure names for clarification. No changes to logic. (CVS 6322) (check-in: b99c1815 user: drh tags: trunk)
18:40
Remove old declaration of sqlite3_pending_byte (which was used by test code). It has been replaced by sqlite3PendingByte. Ticket #3677. (CVS 6321) (check-in: 44f0162e user: danielk1977 tags: trunk)
18:33
Fixes and some extra test cases for count(*) optimization. (CVS 6320) (check-in: 3f0baa1b user: danielk1977 tags: trunk)
16:18
Enhanced comments on table locking logic as it relates to preparing new statements. Added assert() and testcase() but no other changes to code. (CVS 6319) (check-in: 4a12f5b8 user: drh tags: trunk)
10:48
Add test file test/count.test for testing "SELECT count(*)" statements. It is not properly populated yet. (CVS 6318) (check-in: a195d74f user: danielk1977 tags: trunk)
10:14
Reverse commit (6315) for now. (CVS 6317) (check-in: 0e7c369c user: danielk1977 tags: trunk)
10:01
Optimize queries of the form "SELECT count(*) FROM <tbl>" by adding a sqlite3BtreeCount() interface to the btree layer. (CVS 6316) (check-in: d4aa6593 user: danielk1977 tags: trunk)
2009-02-23
17:33
Scan an index instead of a table for "SELECT count(*) FROM <tbl>" queries. Because an index is usually smaller than a table on disk, this saves some IO. (CVS 6315) (check-in: 294ba6f7 user: danielk1977 tags: trunk)
16:52
Add the reverse_unordered_selects pragma. (CVS 6314) (check-in: bc078e00 user: drh tags: trunk)
14:42
Ensure the return value of sqlite3_errmsg16() is aligned on a 2-byte boundary. Ticket #3665. (CVS 6313) (check-in: 9b8acf83 user: danielk1977 tags: trunk)
2009-02-21
22:38
The sqlite3.def file is automatically generated and is not suppose to be part of the source code repository. So it is hereby removed. Ticket #3671. (CVS 6312) (check-in: 5dcda154 user: drh tags: trunk)
2009-02-20
22:27
unbreak Autoconf-based build procedure by added missing backup.lo to the list of library objects (CVS 6311) (check-in: 94945801 user: rse tags: trunk)
10:58
Instead of using SetNumColumns, specify the number of columns in a table or index using the P4 argument. (CVS 6310) (check-in: e43ed649 user: danielk1977 tags: trunk)
03:55
Add a count parameter to the OP_Variable opcode and use it to simplify prepared statements that copy consecutive unnamed parameters into consecutive registers (a common case). (CVS 6309) (check-in: 48b77b04 user: drh tags: trunk)
03:02
Add the OP_HaltIfNull opcode and use it to simplify prepared statements for INSERTs and UPDATEs of tables with NOT NULL columns. (CVS 6308) (check-in: feccad8d user: drh tags: trunk)
01:28
Reuse space left-over opcode space at the end of the VDBE opcode array to store memory cells, VDBE cursors, and other content needed by the VDBE. This reduces the memory required by a prepared statement. (CVS 6307) (check-in: 58a18092 user: drh tags: trunk)
2009-02-19
20:50
Remove code in malloc.c that was already commented out using #if 0. (CVS 6306) (check-in: e1ad757e user: drh tags: trunk)
14:39
Changes to reduce the heap space consumed by triggers, views and tables in the in-memory representation of the schema. Also to reduce the space used by prepared statements slightly. (CVS 6305) (check-in: d9f6ffbc user: danielk1977 tags: trunk)