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Commit Graph

265 Commits

Author SHA1 Message Date
drh
b9bb7c187e Progress toward CREATE VIRTUAL TABLE. Still not even close to working... (CVS 3211)
FossilOrigin-Name: 898ec36b4102aaa03979f8f5c510936e57e2ae48
2006-06-11 23:41:55 +00:00
drh
aa01c7e2cd Fix CHECK constraints to use alternative conflict resolution. Ticket #1717. (CVS 3137)
FossilOrigin-Name: c0d20fa97f94313e6b7ee5b4baa236ef5b664d76
2006-03-15 16:26:10 +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
955de52c9c Add the column_origin_name() etc. APIs. (CVS 3069)
FossilOrigin-Name: 82f502cdc1fead3bf7e3190d5c9db3aee6919ed4
2006-02-10 02:27:42 +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
drh
02afc86171 More compiler warnings fixed - or in some cases comments are added to explain
that the compiler is wrong. (CVS 2984)

FossilOrigin-Name: 507653a98cbd096f836a977408e373640c7cdb8f
2006-01-20 18:10:57 +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
b3bf556ef6 Store collation sequence names instead of pointers in sharable schema data structures. (CVS 2904)
FossilOrigin-Name: 0f0213be4d064b3d24e31ff93ec16f6862003d26
2006-01-10 17:58:23 +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
15007a99e4 Get LIMIT and OFFSET working again for negative limits and offsets.
Ticket #1586. (CVS 2889)

FossilOrigin-Name: b2ac0be07ec76ab23b7e5b800c0bc62d0bc97f4b
2006-01-08 18:10:17 +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
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
danielk1977
94eb6a14cb Add the sqlite3_update_hook() API. (CVS 2820)
FossilOrigin-Name: 36229018817eebfbfca7a66d2285e4faf7b39845
2005-12-15 15:22:08 +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
3eda040be9 Fix incorrect type conversions when copying from a table into itself.
Ticket #1536. (CVS 2773)

FossilOrigin-Name: a2e55a3828d74d78b0b76f956a537a0d906f3191
2005-11-24 13:15:32 +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
0cd2d4c9a1 Add the ignore_check_constraints pragma. VACUUM works even on a database
that contains table entries that violate check constraints. (CVS 2757)

FossilOrigin-Name: be83bfee0211396a0038ffb125897199bea9a73f
2005-11-03 02:15:02 +00:00
drh
6275b88b9e CHECK constraints that evaluate to NULL pass. (CVS 2755)
FossilOrigin-Name: 55b314a22c69fbe129b024e953f3230b67eaaa87
2005-11-03 01:22:30 +00:00
drh
ffe07b2dc1 First cut at supporting CHECK constraints. Everything appears to work,
but much more testing is needed as well as documentation. (CVS 2754)

FossilOrigin-Name: 2313d912baeca0fd516d524f16708953de483729
2005-11-03 00:41:17 +00:00
drh
8df447f0e6 Omit the SQLITE_AFF_INTEGER type affinity. All numeric values are now
of type real, though an integer representation is still sometimes used
internally for efficiency. (CVS 2753)

FossilOrigin-Name: e0d6f61c7de2c03b8fd17ef37cf1a0add36ee618
2005-11-01 15:48:24 +00:00
drh
d654be803f Code cleanup and simplification. Three new Mem opcodes added.
The sqlite3VdbeJumpHere function added. (CVS 2730)

FossilOrigin-Name: 2471957feee57538e5e1e50a704a337f0927d10e
2005-09-20 17:42:23 +00:00
drh
29dda4ae65 Split the OP_Integer opcode into OP_Integer and OP_Int64. This allows
comments to be added to OP_Integer.  Cleanup in the optimizer.  Allow
terms of the FROM clause to be reordered automatically. (CVS 2556)

FossilOrigin-Name: e2f822ac82d0a5a59de0b63cce65d4fd6c178ff1
2005-07-21 18:23:20 +00:00
drh
9170dd7e1c Change the name of the OpenTemp opcode to OpenVirtual which is more
descriptive of what it does. (CVS 2541)

FossilOrigin-Name: 3bb9ce5f20d0a6bc19df31df9b8e82044c3e6004
2005-07-08 17:13:46 +00:00
drh
7f057c9166 NULL values in a row of a unique index cause the row to be distinct.
Ticket #1301.  More testing and optimization needs to be done on this
before closing the ticket. (CVS 2526)

FossilOrigin-Name: 06a71b162b032fc5b56d18919a784d4ee94dde7c
2005-06-24 03:53:06 +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
drh
38fba69135 Fix an infinite loop in the code generator for INSERT. Ticket #1140. (CVS 2410)
FossilOrigin-Name: 876d09d9145775956913e975c29e81d7553839ac
2005-03-21 01:20:58 +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
4d88778b26 Fix a buggy interaction between "INSERT ... SELECT" processing and optimization (2170). (CVS 2319)
FossilOrigin-Name: c54ad2123693be8777d80343979e3261c4892105
2005-02-08 08:42:27 +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
b84f96f854 Extend the influence of a couple of SQLITE_OMIT_** macros a little bit. (CVS 2243)
FossilOrigin-Name: 5b1a9bf6aa5a5c466b88f649e322e81b8466851f
2005-01-20 11:32:23 +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
d6fe961ef4 Improved test coverage on insert.c. (CVS 2210)
FossilOrigin-Name: c772f75166d55192132e732e8a0ddda5926f00f2
2005-01-14 01:22:00 +00:00
danielk1977
cc6bd38380 Fix an assertion failure due to interaction between the count_changes pragma and triggers. (CVS 2187)
FossilOrigin-Name: 6c7bec1b3aee0287e30f43c1d6a7b67b1c47e774
2005-01-10 02:48:49 +00:00
drh
2530378003 Only evaluate expressions once for UPDATE and INSERT statements that
have BEFORE triggers.  Fix for ticket #980. (CVS 2158)

FossilOrigin-Name: 4852186aca3be6ea40069b6831079197e5fa757a
2004-12-07 15:41:48 +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
f338814455 Autoincrement is now working and has regression tests. (CVS 2095)
FossilOrigin-Name: 10c712a21961dbc3bff89c49d5ec3b84b9187c80
2004-11-13 03:48:06 +00:00
drh
2958a4e6a5 Autoincrement code installed. Simple smoke-testing only. No regression
tests developed yet. (CVS 2091)

FossilOrigin-Name: 8fde833c812b91c5a574208a70b5f92b9d4b0a87
2004-11-12 03:56:15 +00:00
danielk1977
7977a17f06 Port the "DEFAULT CURRENT_TIME" etc. functionality from an earlier fork of sqlite. (CVS 2082)
FossilOrigin-Name: 0d27c8ff48f327ad82dd5b5b3b47b8d221f119b7
2004-11-09 12:44:37 +00:00
drh
4794f73524 Create table now works with sqlite3NestedParse. This changed uncovered
a latent bug in xprintf which is also fixed. (CVS 2069)

FossilOrigin-Name: b0506bdd701339d63166ada065445776dd499588
2004-11-05 17:17:50 +00:00
danielk1977
e7de6f25a8 When using sqlite3NestedParse() to modify the sqlite_master table, do not code OP_Callback. (CVS 2063)
FossilOrigin-Name: 296a298c484aac981e7e490a0cb4159717fc4ea4
2004-11-05 06:02:06 +00:00
drh
798da52ce7 All tests pass even if OMIT_TRIGGER is defined. (CVS 2053)
FossilOrigin-Name: c33b3a613751057e8a46fdcd428b8448329d414d
2004-11-04 04:42:28 +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
684917c269 Add support for DEFERRED, IMMEDIATE, and EXCLUSIVE transactions. (CVS 2000)
FossilOrigin-Name: 81ff8107ad63113782cf5a9ba7a512496114ba08
2004-10-05 02:41:42 +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
a42707b234 The INSERT code generator does a better job of detecting if the table
being written into is used in the SELECT on the right-hand side.
ticket #901. (CVS 1961)

FossilOrigin-Name: 709bb22d6ddbd713029059180aaf77ac483b5bb8
2004-09-17 17:23:15 +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