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Commit Graph

238 Commits

Author SHA1 Message Date
drh
3d4501e573 Replace the VDBE Fifo object with the new RowSet object. (CVS 5977)
FossilOrigin-Name: 39a0750b49cf55e9c0927169ca47db909f5c16ea
2008-12-04 20:40:10 +00:00
danielk1977
62c14b3487 Changes to avoid "unused parameter" compiler warnings. (CVS 5921)
FossilOrigin-Name: 88134322c36b41304aaeef99c39b4ef5b495ca3b
2008-11-19 09:05:26 +00:00
danielk1977
10fb749b37 Change the way sqlite3VdbeSetColName() is called so as to remove a few lines of code. This also fixes #3470. (CVS 5853)
FossilOrigin-Name: bfce91429b1dad6e0ca36929e41a7adfb30f8522
2008-10-31 10:53:22 +00:00
danielk1977
52bd7912af If an SQLITE_DELETE authorization callback returns SQLITE_IGNORE, proceed with the delete operation but disable the truncate optimization. (CVS 5845)
FossilOrigin-Name: 65a2e131732399f0f14f982eb0689482fdb87b6c
2008-10-27 15:34:32 +00:00
danielk1977
c7af484b4b Make sqlite3_count_changes() and total_changes() work with "DELETE FROM <table-name>". (CVS 5844)
FossilOrigin-Name: e68e4282adb9003aa297d033aeb5d9cadee215cd
2008-10-27 13:59:33 +00:00
danielk1977
9a02fb444c Remove some if() conditions that are always true from delete.c. (CVS 5843)
FossilOrigin-Name: 297ad90dd3a69002e6e4175e9e3938b3a627574d
2008-10-27 08:24:38 +00:00
drh
f8cecdab84 Add the SQLITE_OMIT_TRUNCATE_OPTIMIZATION option. Other unrelated
documentation enhancements. (CVS 5798)

FossilOrigin-Name: fab4940d54fd1e5459a3d0d9b64b491e6972fd8d
2008-10-10 23:48:25 +00:00
shane
49ffdbf47e Further simplifications of the code for the LIMIT clause on an UPDATE or DELETE. Added a few test cases to wherelimit.test. (CVS 5797)
FossilOrigin-Name: 282c6a46b25f4e4278fd4c8b0b1cde1de28d8f51
2008-10-10 18:25:45 +00:00
shane
b235db9c7b Re-factored memory allocation failure handling in the sqlite3LimitWhere() function based on failures in the mallocJ.test script. (CVS 5791)
FossilOrigin-Name: 43507bbefbf79e8db8fe31319ad621d48247983f
2008-10-10 13:35:57 +00:00
shane
273f619b58 Updated LIMIT support for DELETE/UPDATE. Omit option changed to SQLITE_ENABLE_UPDATE_DELETE_LIMIT. (CVS 5788)
FossilOrigin-Name: c10e8a3c7ab7f21c95f24d0aba590f5b18a4b028
2008-10-10 04:34:16 +00:00
shane
4281bd4204 Initial support for LIMIT clause on DELETEs and UPDATEs. Changes likely with more testing. The code can be omitted with the define SQLITE_OMIT_UPDATE_DELETE_LIMIT. (CVS 5774)
FossilOrigin-Name: 9c8b132e34bc6024bc9898182f8f93127ca52ac9
2008-10-07 05:27:11 +00:00
danielk1977
b1c685b0c8 Allow INDEXED BY and NOT INDEXED to be used in UPDATE and DELETE statements. (CVS 5772)
FossilOrigin-Name: 83a7e446b2d4846a6f92bd831a2adaa265f5a786
2008-10-06 16:18:39 +00:00
danielk1977
85574e31cb Allow INDEXED BY and NOT INDEXED clauses in SELECT statements. (CVS 5766)
FossilOrigin-Name: 98ca5580f5acd2e7b3ce512520ec0527f221505e
2008-10-06 05:32:18 +00:00
shane
fa4e62f3d8 Omit prototype for and calls to sqlite3MaterializeView() if !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER). (CVS 5655)
FossilOrigin-Name: 9cf484fc17944ffa14335e391112d82d2390d116
2008-09-01 21:59:42 +00:00
drh
8b213899e8 Avoid reevaluating WHERE and ORDER BY expressions that alias terms in the
result set.  Ticket #3343.  Note that aliased GROUP BY expressions are still
evaluated twice. (CVS 5637)

FossilOrigin-Name: ab0292caa5887cc1bdc0e8c9d3f3502b83975440
2008-08-29 02:14:02 +00:00
drh
2a5d825ea2 Allow the WHERE clause in an UPDATE or DELETE against a view with an
INSTEAD OF trigger to refer to the view by name.  Ticket #3298. (CVS 5589)

FossilOrigin-Name: 7360e5d1f37ed6672f336b625b3c90d060e0a020
2008-08-22 12:30:52 +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
a9671a22b3 Remove obsolete code from select.c, including the "affinity" parameter
to the sqlite3Select() module. (CVS 5380)

FossilOrigin-Name: cbd3c1585b7a8f8042aa1448fe1be87de056c41a
2008-07-08 23:40:20 +00:00
drh
4f3dd1502e Make sure that transactions are started on all virtual tables that
changes in a single statement, not just the first.  Ticket #3083.
Need to add test cases. (CVS 5063)

FossilOrigin-Name: 133b7ee50ea6012739ebe0e334374c5d9b1fcc7f
2008-04-28 18:46:43 +00:00
drh
f93d99990c Do not attempt to omit unused columns of a view in an instead-of trigger
since sometimes those columns can be used in ways that we do not expect.
Ticket #3055. (CVS 5012)

FossilOrigin-Name: f5fc42e96d36b78797d7fa10b01d22b8501112b1
2008-04-15 14:36:42 +00:00
drh
3a200e0a44 Avoid the use of uninitialized variables in sqlite3GenerateRowIndexDelete.
Ticket #3048. (CVS 4991)

FossilOrigin-Name: a93b7a344a713a9ed9d72be4707eb28c2979648c
2008-04-11 19:18:24 +00:00
drh
da250ea599 Fix the CSE mechanism so that it takes into account column affinity
changes that might be imposed by comparison operators. (CVS 4949)

FossilOrigin-Name: 91cc646e2b0c1d62a1989405cc9384a2c22d98d0
2008-04-01 05:07:14 +00:00
drh
e55cbd7228 Avoid duplicate OP_Column opcodes by remembering prior results.
This is similar to CSE, but only applies to columns. (CVS 4943)

FossilOrigin-Name: c29ee0fed23dcdbd9dde6b1e42b603100ea2389c
2008-03-31 23:48:03 +00:00
drh
e14006d0de Modify the {quote: IdxDelete} opcode so that it takes an array of registers rather
than a record formed using {quote: MakeRecord.}  This avoids a needless packing
and unpacking of the record to be deleted. (CVS 4916)

FossilOrigin-Name: ee381b43563e1b0637ee74389d076dff77deddf9
2008-03-25 17:23:32 +00:00
danielk1977
cd3e8f7ce9 Use a vdbe memory cell to allocate the space required for vdbe cursors. (CVS 4912)
FossilOrigin-Name: 047153648155654b0cd70b811935209d2e21776c
2008-03-25 09:47:35 +00:00
drh
f39d958829 Undefine the "isView" macro when compiling with SQLITE_OMIT_VIEW so that
the macro does not interfer with subsequent modules in the amalgamation. (CVS 4888)

FossilOrigin-Name: a42caa8f83ce19af1e569c4545ea8b2449152430
2008-03-19 20:42:13 +00:00
drh
0f35a6b529 When materializing a view for an UPDATE or DELETE make use of the WHERE
clause to limit the number of rows materialized.  Ticket #2938. (CVS 4782)

FossilOrigin-Name: 5ab71c3a79cac04cb2c576f83a62218d05571006
2008-02-12 16:52:14 +00:00
drh
ca4241140c Error messages says "no such view" instead of "no such table" when
trying to DROP a VIEW that does not exist. (CVS 4750)

FossilOrigin-Name: 50815a82e0ec9a5c1399f5fe6ef416434b55a821
2008-01-25 15:04:48 +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
1db639cef3 Registerification of the WHERE clause logic. (CVS 4716)
FossilOrigin-Name: b3a141b2b0c09bf3c7704deeade290d71b7c9b77
2008-01-17 02:36:28 +00:00
drh
b765411161 Continuing work toward converting the VM into a register machine. (CVS 4707)
FossilOrigin-Name: a6dddebcc5ccbbf3009c9d06163a8b59036331de
2008-01-12 12:48:07 +00:00
drh
2d401ab8f9 More work toward converting the VM into a register-based machine. (CVS 4704)
FossilOrigin-Name: 8cbd46517f407b3b1ce187b623db10f00aa415ea
2008-01-10 23:50:11 +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
3557335658 Registerify the comparison opcodes. (CVS 4697)
FossilOrigin-Name: 8862ce9ceefba4f5d1ffbd51d824c05f42a58c22
2008-01-08 23:54:25 +00:00
drh
aa9b8963b5 Progress toward registerification of the constraint checking logic for
INSERT and UPDATE. (CVS 4693)

FossilOrigin-Name: b9bf509e39f5ac38c2149d2a648f68e5df5ae9e3
2008-01-08 02:57:55 +00:00
drh
1013c9320d Registerify the SRT_Subroutine destination for SELECT results. (CVS 4690)
FossilOrigin-Name: 8201f71729c3afbb41764cea3cda65b03150cb0c
2008-01-06 00:25:21 +00:00
danielk1977
a9d1ccb9b0 First pass at optimizing max()/min() as described in #2853. Some refinements to come. (CVS 4687)
FossilOrigin-Name: c449e04f1870b1ff726c95c0bf1c6c6a22ca588a
2008-01-05 17:39:29 +00:00
drh
8558cde1ab Register-ify the OP_AddImm and all casting opcodes. Omit the
OP_MemIncr opcode. (CVS 4683)

FossilOrigin-Name: 3e8a07dd3cc9921ad39e379576abb0b485a42202
2008-01-05 05:20:10 +00:00
drh
b1fdb2adea Get rid of OP_Dup, OP_MemStore, OP_MemLoad, and OP_MemMove. Replace
with OP_Copy, OP_SCopy, and OP_Move.  Add the infrastructure for
operation properties in1, in2, in3, out2, and out3 but do not yet
use any of these. (CVS 4682)

FossilOrigin-Name: cc149eb9ca3c672cc6fea3528353234ac2ed5745
2008-01-05 04:06:03 +00:00
drh
4c583128bd Implement the out2-prerelease opcode design pattern. (CVS 4681)
FossilOrigin-Name: fe057a88d0038ac349ea41883b979ceba6ae410a
2008-01-04 22:01:03 +00:00
danielk1977
287fb61c6b Some modifications to insert.c to work without using the stack. (CVS 4678)
FossilOrigin-Name: d9ac6beef538376d0ea0a1daa95cf1dfe36143cf
2008-01-04 19:10:28 +00:00
danielk1977
dd2fb29be8 Modify FifoRead and FifoWrite to work exclusively with memory cells. (CVS 4676)
FossilOrigin-Name: 2c913908a47e7ace7d964067e3566d232ee2d494
2008-01-04 13:57:26 +00:00
danielk1977
96cb76fc7a Modify the code generated for a DELETE to use registers instead of the vdbe stack. (CVS 4675)
FossilOrigin-Name: 173f281334d340290e1978abea5d1ea804141910
2008-01-04 13:24:28 +00:00
drh
0a07c107a6 Registers (aka memory cells) in the VM are now numbered starting with 1
instead of 0.  A register number of 0 means "no such register". (CVS 4669)

FossilOrigin-Name: 0b849805c3a0f562d50623f406279b400d335639
2008-01-03 18:03:08 +00:00
danielk1977
2a339ff677 Modify OP_VUpdate to read arguments from a range of memory cells instead of from the stack. (CVS 4668)
FossilOrigin-Name: 955b15a020e9ea6401fe03a36f5139a03ea80b8a
2008-01-03 17:31:44 +00:00
danielk1977
1f4aa337cd Change the OP_Insert opcode to read the key and data to insert from memory cells, not the stack. (CVS 4666)
FossilOrigin-Name: 46501f490a5f5577ea31c758df749e02c7c65f39
2008-01-03 09:51:55 +00:00
danielk1977
207872a488 Change OP_OpenRead and OP_OpenWrite so that the database number is read from the P3 operand, not the stack. (CVS 4663)
FossilOrigin-Name: 35da261daf602b1e938f05bbad1ff99213d9f4b9
2008-01-03 07:54:23 +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
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