Commit Graph

113 Commits

Author SHA1 Message Date
danielk1977
6c8c8ce0e2 Combine the eDest and iParm arguments to sqlite3Select() into a single type - "SelectDest". (CVS 4657)
FossilOrigin-Name: 86dcdfe6d7d629618ccb3c3ff0ca09f2da2d06c7
2008-01-02 16:27:09 +00:00
drh
d4e70ebd6f Begin setting a foundation on which to convert the VM from a stack-based
to a register-based machine.  Everything is still mostly stack based with
this check-in.  This change merely begins adding infrastructure to support
a register-based architecture. (CVS 4652)

FossilOrigin-Name: 051ec01f2799e095516015f2ef0180e50fac387c
2008-01-02 00:34:36 +00:00
danielk1977
8f2c54e6e2 Optimize trigger compilation to avoid populating the OLD.* and NEW.* pseudo-tables with data that will never be used. Some testing to come. (CVS 4651)
FossilOrigin-Name: e08a33ed7255c22ce2805363f44a1d7770acb2dd
2008-01-01 19:02:09 +00:00
danielk1977
932083c60f Fix a crash that can occur after a malloc failure. Ticket #2775. (CVS 4547)
FossilOrigin-Name: c91bc8d33306881cb2501070dccced92c82cf165
2007-11-16 14:55:46 +00:00
drh
f3a65f7e44 The malloc.test script now passes all tests with no errors. (CVS 4271)
FossilOrigin-Name: db818430e9ea4ef4a4af575784009d5acae785a3
2007-08-22 20:18:21 +00:00
danielk1977
1e5369531e More work on refactoring of malloc() interfaces. There are still many errors. (CVS 4233)
FossilOrigin-Name: 77b1671351fe94b0ebc126a63140643deae2aa64
2007-08-16 10:09:01 +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
fd131daecd Remove all tabs from source code files. Ticket #2556. (CVS 4198)
FossilOrigin-Name: 7550dd1d5980a399fbb06b4ed69216700f879a0b
2007-08-07 17:13:03 +00:00
drh
60218d2a0e The FOR EACH STATEMENT clause in a trigger is now a syntax error. It used
to be silently ignored.  STATEMENT is no longer a keyword. (CVS 3821)

FossilOrigin-Name: 8e2559b4da6329d7c21925d0850f7f91a3731975
2007-04-06 11:26:00 +00:00
drh
b63a53dcf7 Fix memory leaks in WHERE clause processing and in TRIGGER parsing. (CVS 3775)
FossilOrigin-Name: 6736f4547c0cc2123d1a19ed2d6915712718d22e
2007-03-31 01:34:44 +00:00
drh
0e3a6f3f53 Fix a memory leak that occurs after a malloc failure in trigger parsing. (CVS 3772)
FossilOrigin-Name: 407a85e69b7a1229218a5ce9a9e31255c7070294
2007-03-30 20:40:34 +00:00
drh
28f4591466 Fix a problems that arise if malloc() fails while compiling SELECT
statements within a TRIGGER. (CVS 3478)

FossilOrigin-Name: ee4894b49995e4904db1991281563cfbb7b1c16d
2006-10-18 23:26:38 +00:00
drh
fdd48a76a6 Add support for IF EXISTS on CREATE/DROP TRIGGER/VIEW. Ticket #1899. (CVS 3406)
FossilOrigin-Name: e4fe736cfbbdc081581911a01690576034877b72
2006-09-11 23:45:48 +00:00
drh
4cbdda9e27 Added code to INSERT, DELETE and UPDATE virtual tables. The new code is
mostly untested. (CVS 3248)

FossilOrigin-Name: 32c97b884b104d120db3c0a87f5eab28f36851f8
2006-06-14 19:00:20 +00:00
drh
e4df0e7497 Properly record the names of triggers even if the name is quoted.
Ticket #1737. (CVS 3158)

FossilOrigin-Name: 4ba280ddd66d5cbf617263d6300b7582f65d47a9
2006-03-29 00:24:06 +00:00
drh
229caa369a Add code to report an error on a recursive trigger, but leave it
commented out - turning it on will likely break a lot of code. (CVS 3152)

FossilOrigin-Name: c83ec81d53f756660cafbbdaf9cf92e9e4bab4ad
2006-03-25 15:52:19 +00:00
drh
43617e9ab9 Code changes resulting from Coverity analysis.
http://scan.coverity.com/  Found 1 potential segfault in sqlite3_mprintf().
Also 2 failures to fclose() following a malloc() failure.  And lots of
cases where unnecessary conditionals could be removed from the code. (CVS 3126)

FossilOrigin-Name: e510e6dd9d6261f33b853af3b32d155b9d6b63b3
2006-03-06 20:55:46 +00:00
drh
74161705f1 Remove unused parameters on internal APIs. Suppress warnings from
CodeWarrior. (CVS 3110)

FossilOrigin-Name: 4b22e4b847f8d5c29830baea541194ef3a0c4811
2006-02-24 02:53:49 +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
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
eecfb3eebc Fix a problem with shared-schemas and temp triggers. (CVS 2901)
FossilOrigin-Name: 9c18a1ce1e7ff6a02eb0f9ce344cab9660819740
2006-01-10 12:31:39 +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
danielk1977
c00da10565 In shared-cache mode, lock all required tables before beginning to execute the body of the statement program. (CVS 2881)
FossilOrigin-Name: 23b587b05b89727248805e6d9e5141e018cf2152
2006-01-07 13:21:04 +00:00
danielk1977
aaf22685d7 Fix a crash caused by adding a trigger to a shared-schema and then deleting it
using a different connection. (CVS 2873)

FossilOrigin-Name: 19f93e135f1ff4f987d14afe74b955e119904017
2006-01-06 15:03:48 +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
2646da7e52 Clean up annoying (and pointless) compiler warnings about differing signedness. (CVS 2810)
FossilOrigin-Name: 83a59151559d9496d4f546e03e65087ea974717d
2005-12-09 20:02:05 +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
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
8a51256c0c Create separate affinities for INTEGER and REAL. (CVS 2766)
FossilOrigin-Name: ce06c123d0c5663dbaf263c2e0aaf5d9cdeb2ccd
2005-11-14 22:29:05 +00:00
drh
f0863fe568 Update older opcode names to be more meaningful in light of the latest
code design. (CVS 2506)

FossilOrigin-Name: 36f2da1f8d8d434f861ecad55c9d86549751c954
2005-06-12 21:35:51 +00:00
danielk1977
53c0f7480b Add the SQLITE_OMIT_TEMPDB compile time macro. (CVS 2427)
FossilOrigin-Name: c41d55443c2dd532147962b87f542fb7d37075fd
2005-03-29 03:10:59 +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
danielk1977
b3bce66232 Modify sub-query handling. Tickets #1083 and #1084. (CVS 2286)
FossilOrigin-Name: b1b50f315873a8614920d1e3af4a07fb29a7ff6a
2005-01-29 08:32:43 +00:00
danielk1977
bfb9e35b30 More test cases to do with invalidating precompiled statements. (CVS 2273)
FossilOrigin-Name: b243681a0e328ee0bbf1140abfb60d65d2102ad5
2005-01-24 13:03:32 +00:00
drh
1398ad3639 Continued refactoring of the name resolution logic and query optimizer. (CVS 2236)
FossilOrigin-Name: d8b2a7e09187564fe66a2b4bf0992c6a017146cf
2005-01-19 23:24:50 +00:00
drh
73b211abed Refinements to the name resolution logic. Change the name of the
keywordhash.c file to keywordhash.h. (CVS 2229)

FossilOrigin-Name: 0142ae6f0004bf18a1c2d8e49c09d2a9a27d6369
2005-01-18 04:00:42 +00:00
drh
626a879a25 Infrastructure changes to handle name resolution differently. This is needed
to fix various long-standing problems with column names in joins.  It will
also make the implementation of correlated subqueries easier. (CVS 2228)

FossilOrigin-Name: 4a7534396a72ccb300303df28798bb2c50293782
2005-01-17 22:08:19 +00:00
drh
dca7684141 Simplify the trigger logic for DELETE, INSERT, and UPDATE. (CVS 2157)
FossilOrigin-Name: 8e164ab27771aced9a592ea4b7c27e9f184181a5
2004-12-07 14:06:13 +00:00
drh
13d7042a73 More compile-time options for removing components. (CVS 2098)
FossilOrigin-Name: dcbc0c22cf269e2f67002aa3f1bc0c66aaeff5f1
2004-11-13 15:59:14 +00:00
drh
b7f9164e98 Insert #ifdefs that can optionally remove features at compiletime resulting
in a database engine with a smaller footprint. (CVS 2034)

FossilOrigin-Name: be661acfa849bb0d5692797dd221f5a8a457f8ad
2004-10-31 02:22:47 +00:00
drh
5719628afb Convert many constants to have type "const". (CVS 2006)
FossilOrigin-Name: d790c84c5a889928d07f5394fffef0cbb8d5f214
2004-10-06 15:41:16 +00:00
drh
684917c269 Add support for DEFERRED, IMMEDIATE, and EXCLUSIVE transactions. (CVS 2000)
FossilOrigin-Name: 81ff8107ad63113782cf5a9ba7a512496114ba08
2004-10-05 02:41:42 +00:00
drh
670404626d Simplification of the trigger code. (CVS 1976)
FossilOrigin-Name: 9fa904d94ec1787bc8b97ec06a5423248fcb67fb
2004-09-24 12:24:36 +00:00
drh
ad6d94607f Add comments to unused P3 fields of selected instructions when NDEBUG is
not defined.  This makes VDBE program dumps more readable during debugging. (CVS 1973)

FossilOrigin-Name: 4871c77f8fce36ff230e1f026f4e4e49492515e9
2004-09-19 02:15:24 +00:00
drh
344737f60a Merge the ListPush and ListPop VDBE opcodes into ContextPush and ContextPop. (CVS 1972)
FossilOrigin-Name: eb9b501ad8b0fa0fd63a67ece05fe142d6a19114
2004-09-19 00:50:20 +00:00
drh
9bb575fd72 Fix a naming conflict between sqlite versions 2 and 3. An open sqlite3
connection now *must* be called "sqlite3".  You cannot call it "sqlite".
This might break existing code. (CVS 1941)

FossilOrigin-Name: 3ddf5a9d1c480a2e3aa32685879063b11afddbe1
2004-09-06 17:24:11 +00:00
drh
855eb1cf02 Simplifications and optimizations. Also: disable the corrupt.test for now. (CVS 1924)
FossilOrigin-Name: 8fd65e704888a8e2f4a712a94fd0e3f866c10ef3
2004-08-31 13:45:11 +00:00
drh
290c19482e Optimizations to the code generator. (CVS 1899)
FossilOrigin-Name: bd6649c5aae1bf182610eb267b546c297a34481d
2004-08-21 17:54:45 +00:00
drh
956bc92cde Prepared statements now work with CREATE and DROP. All tests pass.
No memory leaks. (CVS 1866)

FossilOrigin-Name: ebdb661e0eefe123c422d3c1c371e325bb6cf673
2004-07-24 17:38:29 +00:00
danielk1977
8a41449ecc Fix error reporting path for errors that occur while reading the database
schema. (CVS 1757)

FossilOrigin-Name: 157db33e09399f31bcdaf58ea90fe618fefcd9bd
2004-06-29 08:59:35 +00:00