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14,964 Commits 1,608 Branches 185 Tags
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Commit Graph

129 Commits

Author SHA1 Message Date
danielk1977
0f3f072d9f Avoid exposing internal interfaces sqlite_attach() and sqlite_detach() as SQL scalar functions. Ticket #3466. (CVS 5846) 
FossilOrigin-Name: 679c0b35aaa1ea488a205cc03802e7078a2bcf29
 2008-10-28 17:52:39 +00:00
drh
7d10d5a6e1 Refactor the name resolution procedures in the code generator. (CVS 5569) 
FossilOrigin-Name: daf730d1defa78fb8b80a78f9108ac35a13e09f6
 2008-08-20 16:35:10 +00:00
drh
633e6d57d9 Implement the "lookaside" memory allocation cache. Use of this cache makes 
the speed1.test script run about 15% faster.  Added new interfaces to
control the cache. (CVS 5488)

FossilOrigin-Name: e48f9697e9fea339e150ddc32940760027dd07d9
 2008-07-28 19:34:53 +00:00
drh
e5ae5735c0 Continuing work on the new memory allocation subsystem. 
Added routines for temporary memory allocation.  Right the btree
balance mechanism to only do one temporary allocation at a time. (CVS 5220)

FossilOrigin-Name: 65fe7b62cfe7d11cd667681a64c96fe7b2fe5685
 2008-06-15 02:51:47 +00:00
drh
3b02013e73 Add the journal_mode pragma. This is currently just syntax - it is not 
operational. (CVS 5024)

FossilOrigin-Name: 8eaa0c71023ac428f6f9f8091341584caa773ab9
 2008-04-17 17:02:01 +00:00
drh
bb4957f858 Initial implementation of per-connection limits and the sqlite3_limit() API. 
The sqllimits1.test script crashes.  SQLITE_LIMIT_PAGE_COUNT and
SQLITE_LIMIT_VDBE_OP are currently ignored. (CVS 4897)

FossilOrigin-Name: 60c77882b2de9f6a45f8bd87c9c6a0cc613f8373
 2008-03-20 14:03:29 +00:00
drh
fa4a4b9159 Add a new interface, sqlite3_context_db_handle(), that returns the database 
connection pointer for an application-defined function. (CVS 4889)

FossilOrigin-Name: 54c55cae556af5a16c0ce8be1a96d2932db80ad8
 2008-03-19 21:45:51 +00:00
danielk1977
a7a8e14bf2 Where possible, avoid freeing buffers allocated for vdbe memory cells in case they can be reused. (CVS 4783) 
FossilOrigin-Name: 990237e27e417aff3dbf05784b716c21f3761a3a
 2008-02-13 18:25:27 +00:00
drh
69544ec9cb Add the sqlite3_result_error_code() application interface. Use it in the 
ATTACH function so that a failed attach returns a proper error code.
Ticket #2914. (CVS 4775)

FossilOrigin-Name: c24616204307936d03d39d2ef0fe6856113f6977
 2008-02-06 14:11:34 +00:00
drh
7e8b848a60 Make sqlite3SafetyOn() and sqlite3SafetyOff() macros which disappear when 
compiling without -DSQLITE_DEBUG=1. (CVS 4744)

FossilOrigin-Name: 5375ad6b4b652f388469b0ce4e8e78b3f49169bd
 2008-01-23 03:03:05 +00:00
drh
9cbf3425fb Registerification of the VDBE is complete. The operand stack has been 
removed from the code.  All instructions operate out of registers only. (CVS 4718)

FossilOrigin-Name: 706b41b70bd1e2030e6fa44358c38a26c5cf0985
 2008-01-17 16:22:13 +00:00
drh
2dcef11bb9 Continuing work toward converting the VM to a register machine. (CVS 4708) 
FossilOrigin-Name: 426f31ecdd05d1179a2e49c2ca1666011cede9c6
 2008-01-12 19:03:48 +00:00
drh
98757157ee All essential opcodes can now operate out of registers and completely 
avoid the stack.  Many still optionally use the stack to support legacy
code generation, but the stack is not required.  The next step is to
update all code generation to avoid using the stack. (CVS 4700)

FossilOrigin-Name: e3cf1c1c114bcda8fe577beb5ee55b4a651b96db
 2008-01-09 23:04:12 +00:00
drh
389a1adbd7 Change the sqlite3ExprCode() function so that callers can request that 
the result of the expression be left on the stack or in a register. (CVS 4673)

FossilOrigin-Name: 61bfb77c4267b99ac8a8ef49355bcbc395a1a37b
 2008-01-03 23:44:53 +00:00
drh
66a5167b47 Refactoring the VM. The P3 parameter is changed to P4. A P5 parameter is 
added (though not currently used.)  Add routines sqlite3VdbeAddOpX() where
X is one of 0, 1, 2, 3, or 4. (CVS 4660)

FossilOrigin-Name: 027875e4d4c4bd7686dc880c6917a968049b2fec
 2008-01-03 00:01:23 +00:00
danielk1977
4eab8b7b41 Fix a race condition that can occur when reloading the database schema in shared-cache mode. (CVS 4643) 
FossilOrigin-Name: b37babef913fcceae7f0bd461a3105e184518d62
 2007-12-27 15:12:16 +00:00
danielk1977
ae72d98252 Add automatic recovery from the pager "error-state". Also add a new error code - SQLITE_IOERR_NOMEM. (CVS 4454) 
FossilOrigin-Name: 12eca32a6a3d68d5b20eed03afdffe7599e66014
 2007-10-03 08:46:44 +00:00
drh
33f4e02af6 Honor the SQLITE_OPEN_ flags passed into sqlite3_open_v2(). Some 
test cases added but more are needed.  Ticket #2616. (CVS 4376)

FossilOrigin-Name: 020a2b10d408f51d4ef3211c5f701f5378fd4625
 2007-09-03 15:19:34 +00:00
drh
174357527a Half-way through a major refactoring of the memory allocation. 
I have not even attempted to compile so I am certain there are
countless errors. (CVS 4231)

FossilOrigin-Name: deb7ecd65f7b83eaf0ba610eeef3b0ede61db1c3
 2007-08-16 04:30:38 +00:00
drh
b63f274589 Fix a problem with strange expressions being fed to an ATTACH or DETACH 
statement. (CVS 3965)

FossilOrigin-Name: 0c91dc9ee0c5d441a7789b631476515260cb887f
 2007-05-09 20:31:29 +00:00
drh
c797d4dccd Begin implementing a new system of upper bounds on the capabilities 
of SQLite.  By clearly defining the upper bounds, we make those
upper bounds explicitly testable.  This check-in is just infrastructure.
The upper bounds are not yet enforced. (CVS 3941)

FossilOrigin-Name: 93b623b232a43f78d2c90bfa2389dd5b28ad7280
 2007-05-08 01:08:49 +00:00
drh
5bb3eb9b9a Eliminate all uses of sprintf() and strcpy(). These were not being 
misused.  But getting rid of them removes a library dependency.  And
it avoids warnings from the OpenBSD compiler.  Ticket #2336. (CVS 3916)

FossilOrigin-Name: ba4845b32bdf38e623c4f7246e6e327715bbba4b
 2007-05-04 13:15:55 +00:00
drh
3262cb24ff Fix the prototype of the CodecAttach function in attach.c. (CVS 3731) 
FossilOrigin-Name: 902413e81b1ae8bee09987c798622a55ab2a1504
 2007-03-27 21:47:06 +00:00
drh
fdbcdee5ff The -DSQLITE_OMIT_ATTACH=1 option now omits both the ATTACH and VACUUM 
commands. Ticket #2268.
 The regression test suite depends on both of these commands
and will not run if compiled with this option. (CVS 3727)

FossilOrigin-Name: cbebfb89603044e48b3a87b79d1eefbbc5b4c8a5
 2007-03-27 14:44:50 +00:00
danielk1977
414834686c Changes for exclusive access mode. There are still some bugs. (CVS 3712) 
FossilOrigin-Name: b6c700370be29db2b974f9abd719c3e56abf8058
 2007-03-24 16:45:04 +00:00
danielk1977
fe39319ec8 Save an if(...) clause made redundant by (3691). (CVS 3692) 
FossilOrigin-Name: 8153edf8bea51b9344de1b700482879190f86fb4
 2007-03-15 15:35:28 +00:00
danielk1977
2372c2b165 Prevent databases from being DETACHed while they are in use. Fix for #1873. (CVS 3312) 
FossilOrigin-Name: 70a48b250bab99c5d9b4ad17c471663b8628e8d2
 2006-06-27 16:34:56 +00:00
drh
ea063f5bb1 Handle NULL database names in ATTACH and DETACH as if they were empty 
strings.  Ticket #1825. (CVS 3191)

FossilOrigin-Name: 79a818bb05bc95c4c83375a679955dd18659b2b8
 2006-05-25 11:52:37 +00:00
drh
a06ab2ca23 Follow-up to check-in (3164). Make sure SQLITE_NOMEM is returned after 
a memory allocation failure.  It is not sufficent to return an "out of memory"
error message.  The return code needs to be SQLITE_NOMEM. (CVS 3172)

FossilOrigin-Name: 9d95750e8556aef20a637a815652d547ed2f887c
 2006-04-10 13:37:47 +00:00
drh
6103fe972e Make sure SQLITE_NOMEM is reported out on a malloc failure in an ATTACH 
even if the malloc failure reports within a nested calls to sqlite3_prepare(). (CVS 3164)

FossilOrigin-Name: 3538a4e30fb5131b461bb0cf72cada63e9724e14
 2006-04-05 11:57:37 +00:00
danielk1977
f011300000 Rename some variables to avoid hiding others. Also add "static" to two function signatures that were missing it. (CVS 3024) 
FossilOrigin-Name: d86f18a4277ebffb644ba2e574e0b697c8bbf8e4
 2006-01-24 12:09:17 +00:00
danielk1977
9e12800dec Use a global variable protected by a mutex instead of thread-specific-data to record malloc() failures. (CVS 2972) 
FossilOrigin-Name: ac090f2ab3b5a792c2fdf897e10060f263e0d408
 2006-01-18 16:51:35 +00:00
danielk1977
771151b67f Various fixes that allow the malloc() failure tests to pass again. (CVS 2963) 
FossilOrigin-Name: 0505405fb9ae1068b7976718efbf2aabd07592d4
 2006-01-17 13:21:40 +00:00
drh
6f7adc8a80 Automatically deallocate thread-specific data when it is no longer 
being used.  Ticket #1601.  Also implemented the suggestion of
ticket #1603. Memory management is now off by default at compile-time.
The sqlite3_enable_memory_management() API has been removed. (CVS 2919)

FossilOrigin-Name: 5d9c6aa964305c3f36741ff0058da5b5f3ce0d24
 2006-01-11 21:41:20 +00:00
danielk1977
b82e7edae9 Fix bugs caused by assuming that shared-schemas are initialized. (CVS 2917) 
FossilOrigin-Name: 3970eb875d1830d35b3a70a7583a8ab6b238cad6
 2006-01-11 14:09:31 +00:00
danielk1977
311019be0b If compiled with memory-debugging, write garbage to memory when it is freed. Fix for #1594. (CVS 2900) 
FossilOrigin-Name: bd02a6faefa3602d0b93d54bc57809a2222d5903
 2006-01-10 07:14:23 +00:00
drh
29c636bc12 Added database server example code (untested). Fixed serveral bugs including 
the autovacuum compile problem described by ticket #1593. (CVS 2897)

FossilOrigin-Name: ec332d8822d1ac9673581a26ab2a2fce5f2554a3
 2006-01-09 23:40:25 +00:00
danielk1977
14db26653a Fix some errors to do with attached databases and text encodings in shared-cache mode. (CVS 2895) 
FossilOrigin-Name: 3e75d3d5efebc0dfff1adfc13d85e85ec39db3eb
 2006-01-09 16:12:04 +00:00
danielk1977
e501b89ada Rename DbSchema to "Schema" and SqliteTsd to "ThreadData". (CVS 2893) 
FossilOrigin-Name: 82b81f69c78cb3f54634d9aea4f6a838474dc5e5
 2006-01-09 06:29:47 +00:00
drh
198bf39128 Changes so that SQLITE_OMIT_PARSER and SQLITE_OMIT_DISKIO work. (CVS 2878) 
FossilOrigin-Name: 9d71b7deaffdd7eb9ddad1f03df3e4c51c2cbd98
 2006-01-06 21:52:49 +00:00
danielk1977
da18423620 Add the shared schema/pager modifications. Very few tests so far. (CVS 2859) 
FossilOrigin-Name: deeda0dc06c1595aedd8d06a0c4e88a8abf78cf7
 2006-01-05 11:34:32 +00:00
drh
72e5c6dbb9 Bug fix in codec processing. (CVS 2846) 
FossilOrigin-Name: a88580bce045ee1c11cc6fd986ee7bab043ded4f
 2005-12-29 23:04:01 +00:00
danielk1977
2e588c7525 Many small changes to ensure memory is not leaked after malloc() fails. (CVS 2808) 
FossilOrigin-Name: 601c335463aaabc2e9918e4b9298cff6161be5c4
 2005-12-09 14:25:08 +00:00
danielk1977
f744bb56a1 Modify ATTACH and DETACH to execute at runtime instead of compile time. (CVS 2803) 
FossilOrigin-Name: 5e04ec694add7a8331e3d6fbdfcaed51349ae7bc
 2005-12-06 17:19:11 +00:00
danielk1977
261919cc16 Some elements of the new malloc() failure handling. Not all cases work properly yet. Also, library is not threadsafe if malloc() fails right now. (CVS 2800) 
FossilOrigin-Name: e1606658f1b4530e3001db4779b5669c8d13c853
 2005-12-06 12:52:59 +00:00
drh
85c23c61e2 Increased test coverage. Some malloc tests now fail though this is believed 
to be an instrumentation problem not a real error. (CVS 2604)

FossilOrigin-Name: f786f37a5e31f42aaf81b3ad4a734f12855da69e
 2005-08-20 03:03:04 +00:00
danielk1977
d5d565235b Fix some memory leaks that can occur if a memory allocation fails. (CVS 2388) 
FossilOrigin-Name: 9a358fc33d726d0b5782bf65b50f61f2bd096d56
 2005-03-16 12:15:20 +00:00
drh
ae8b3615ee Allow the database name in a DETACH statement to be quoted. 
Ticket #1151. (CVS 2386)

FossilOrigin-Name: 24e887735256499e58dabe90463524d9e6eb08ce
 2005-03-15 02:04:12 +00:00
danielk1977
a21c6b6fe0 Modifications and bugfixes so that the test suite passes with the TCL statement cache turned on. (CVS 2271) 
FossilOrigin-Name: d5233e0747789dea04d35a8350b408321d23a64d
 2005-01-24 10:25:59 +00:00
drh
178286b5df ATTACH and DETACH cause prepared statements to expire. 
sqlite3_finalize() can now be called right after sqlite3_reset(). (CVS 2265)

FossilOrigin-Name: 6c631b86e5e166f650d3f7d53c773aa859391c2b
 2005-01-23 13:14:55 +00:00