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Code Activity
18,884 Commits 1,607 Branches 185 Tags
c8abbc11cdf57ccdc593a5adbcd71f288dba6565
Commit Graph

531 Commits

Author SHA1 Message Date
drh
42242ded5e Fix a bug in XFER optimization introduced by check-in (3736). (CVS 3744) 
FossilOrigin-Name: 3714ac173289e580a0302a5a3beac05823d92c5b
 2007-03-29 13:35:35 +00:00
drh
e4d9081307 Change BtreeMoveto so that it can be biased to the right or to the center. 
Use a right bias when appending and a center bias when searching.  This
gives about a 15% reduction in calls to sqlite3VdbeRecordCompare. (CVS 3741)

FossilOrigin-Name: ad4a6b1a91bcefd8a4c75e8dc99c1153c72c31a3
 2007-03-29 05:51:49 +00:00
drh
7fc2f41bef Patch so the the code compiles with -DSQLITE_OMIT_CHECK=1. (CVS 3737) 
FossilOrigin-Name: 72cea358da4bd38af322f18f2a753171f7decaf8
 2007-03-29 00:08:24 +00:00
drh
95bad4c751 Improvements to the XFER Optimization of the INSERT statement. (CVS 3736) 
FossilOrigin-Name: 53fff7d1f2f829010a2641c7738538b3155da4b2
 2007-03-28 18:04:10 +00:00
drh
91c58e23b2 Get the -DSQLITE_OMIT_XFER_OPT option working. Run speed tests on a full 
regression.  Add the script for generating sqlite3.c. (CVS 3723)

FossilOrigin-Name: 42c038518c4ba0ef827a5717d450f95165b3c729
 2007-03-27 12:04:04 +00:00
drh
fb658dedce Additional test cases added. Improvements to the INSERT transfer 
optimization. (CVS 3662)

FossilOrigin-Name: 2bf5475bde763f73f7f4dd9cac7d13a631a7d2aa
 2007-02-24 15:18:49 +00:00
drh
dd73521bc2 Additional tests and some improvements to the INSERT transfer 
optimization.  More testing is needed. (CVS 3661)

FossilOrigin-Name: 830985814345f71ba2def3c206e36aabe9e1ee7c
 2007-02-24 13:53:05 +00:00
drh
8103b7d2b7 Make sure the INSERT xfer optimization does not trigger if the CHECK 
constraints on the two tables are not identical.  Ticket #2252. (CVS 3660)

FossilOrigin-Name: 6fc18275230563437f2985eac3795e4dfe8eb9de
 2007-02-24 13:23:51 +00:00
drh
9d9cf22971 Add a new algorithm for handling INSERT which reduces fragmentation on 
a VACUUM.  Ticket #2075.  More testing needed. (CVS 3643)

FossilOrigin-Name: 9f56a878cbbc715262b3a48ee696148dbd7bf1d2
 2007-02-13 15:01:11 +00:00
drh
16ed8a64f6 Bug fix: Get INSERT INTO ... SELECT working when the target is a virtual 
table. (CVS 3374)

FossilOrigin-Name: 7912485705c96e365a942932bb12d5b9113c9885
 2006-08-29 18:46:14 +00:00
drh
147d0ccc15 Add support for INSERT INTO ... DEFAULT VALUES. Tickets #299, #1940. (CVS 3368) 
FossilOrigin-Name: bc84cb54b0df09738fd90e48820dc3cdfa7828c2
 2006-08-25 23:42:53 +00:00
danielk1977
b3d24bf8ee Add tests to ensure an INSERT/UPDATE/DELETE immediately after virtual table construction does not fail. (CVS 3270) 
FossilOrigin-Name: 144d0eb13aed4507e93edec781b1819a068f4a70
 2006-06-19 03:05:10 +00:00
danielk1977
f9e7dda7ef Add code to invoke the virtual table transaction interface. Untested at this point. (CVS 3261) 
FossilOrigin-Name: 6125140228e09cad2029a48e92aa0123d3daecfb
 2006-06-16 16:08:53 +00:00
danielk1977
1f6eec547c Arrange for sqlite3_last_insert_rowid() to work with virtual tables. (CVS 3259) 
FossilOrigin-Name: afa39a46320e9996a5478ea6e19eb4c2014327ac
 2006-06-16 06:17:47 +00:00
danielk1977
c7d5410126 Simple tests and fixes for writing to virtual tables. (CVS 3252) 
FossilOrigin-Name: 88fa510e4c684513bbb59031d034fdb5c51a6a15
 2006-06-15 07:29:00 +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
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