database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-16 23:02:26 +03:00
Code Activity
12,265 Commits 1,608 Branches 185 Tags
e18e90ebafe89d444c0524f91088b0c9316cbbc0
Commit Graph

264 Commits

Author SHA1 Message Date
drh
b2771ce24c Reuse space left-over opcode space at the end of the VDBE opcode array to 
store memory cells, VDBE cursors, and other content needed by the VDBE.
This reduces the memory required by a prepared statement. (CVS 6307)

FossilOrigin-Name: 58a1809257ccfb7d9112a35f79ca2f82b3daa878
 2009-02-20 01:28:59 +00:00
danielk1977
6ab3a2ec8a Changes to reduce the heap space consumed by triggers, views and tables in the in-memory representation of the schema. Also to reduce the space used by prepared statements slightly. (CVS 6305) 
FossilOrigin-Name: d9f6ffbc5ea090ba0daac571fc9a6c68b9c864e4
 2009-02-19 14:39:25 +00:00
drh
4b9421af6f Remove the text of the sqlite3VdbeMemSanity() routine, which was already 
commented out. (CVS 6238)

FossilOrigin-Name: a3c260772bda68007b73feee6612495a704c84f5
 2009-02-03 15:39:01 +00:00
drh
68ac65ecdc Make sure the MEM_Zero flags is cleared whenever removing MEM_Blob. (CVS 6111) 
FossilOrigin-Name: b2131e868a3a948ba81f7458270493085da1ae60
 2009-01-05 18:02:27 +00:00
drh
8df32841de Suppress more silly compiler warnings. (CVS 5995) 
FossilOrigin-Name: 1522c2c6677b97edfa09dd64b4f9ed139aeb5bec
 2008-12-09 02:51:23 +00:00
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
64202cfec6 Modifications to avoid signed/unsigned warnings in vdbe.c. (CVS 5912) 
FossilOrigin-Name: 9939dd839ac13708f9b5b877c48729b1781eedf3
 2008-11-17 15:31:47 +00:00
drh
ad4a4b8047 The COMMIT command now works even if there are pending queries, as long 
as the pending queries are reading and not writing the database. (CVS 5864)

FossilOrigin-Name: 51f04aaff2803487933b9dfcf39f27a249f18a98
 2008-11-05 16:37:34 +00:00
drh
dfe88ece74 Change the name of the Cursor object to VdbeCursor. (CVS 5857) 
FossilOrigin-Name: fdb98fd8c1706085ebeef8e48ac6737839bed5e5
 2008-11-03 20:55:06 +00:00
drh
d1d384888b Add the experimental sqlite3_stmt_status() interface. (CVS 5781) 
FossilOrigin-Name: de473efb35ffdf9a8222a70a84dfd7d3198c87c1
 2008-10-07 23:46:38 +00:00
drh
e63d999189 Additional changes toward fixing ticket #3292. (CVS 5562) 
FossilOrigin-Name: 0b92cbf5255020d4fde382f81590ff0488936667
 2008-08-13 19:11:48 +00:00
drh
701bb3b4f0 Additional coverage testing. Fix a segfault following OOM in 
sqltie3_load_extension(). (CVS 5523)

FossilOrigin-Name: f1e44eb323f05495cbae25113aebcc50d16b40df
 2008-08-02 03:50:39 +00:00
drh
dab898f8e4 Remove unused sqlite3VdbeMemDynamicify() function from the VDBE. (CVS 5500) 
FossilOrigin-Name: aee63308312bcebb79e15cfdf942ee23694444b0
 2008-07-30 13:14:55 +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
danielk1977
161546c7e5 Fix a case where database corruption was causing an invalid reference. (CVS 5484) 
FossilOrigin-Name: 7aecabacf924ad8c1f9f4e707d0c56e433e3a434
 2008-07-26 18:26:10 +00:00
drh
0acb7e4849 The compound-select merge optimization passes quick.test with no errors. (CVS 5299) 
FossilOrigin-Name: 8bbfa97837a74ef0514e0c92ea2a6576f02cc361
 2008-06-25 00:12:41 +00:00
drh
16ee60fff9 Add new Compare and Jump codes to the virtual machine. Use them in the 
implementation of aggregate queries. (CVS 5257)

FossilOrigin-Name: 083113652ff8f69b18cf1611710fdbbe5fbd9fef
 2008-06-20 18:13:25 +00:00
drh
2eb95377ef Remove the subroutine return stack from the VDBE. Return addresses 
for subroutines are now stored in registers. (CVS 5191)

FossilOrigin-Name: ef1956eebcaf5aca51af8c3b406b1fd4b1f391a7
 2008-06-06 15:04:36 +00:00
danielk1977
822a51628f Add more version tags to files that lack them. Ticket #3120. (CVS 5137) 
FossilOrigin-Name: 81a8c70ed7a86abf286706fdbc251f31c9c53382
 2008-05-16 04:51:54 +00:00
drh
e265b08458 Fix harmless compiler warnings. (CVS 5073) 
FossilOrigin-Name: 227a6f67c21c87a7cf98f84b9d57a6dc9da93ebb
 2008-05-01 17:03:49 +00:00
danielk1977
751de567c1 Allow OP_MoveGt and similar to use an array of registers instead of a serialized record. Modify one type of index range scan to use this. (CVS 5028) 
FossilOrigin-Name: c448f15aa5ed3dec511426775e893efea324faa1
 2008-04-18 09:01:15 +00:00
danielk1977
5f09613545 Changes to the Mem structure to reduce the frequency of freeing and reallocating the dynamic buffer. (CVS 4928) 
FossilOrigin-Name: d0bf73d81453da1d8e602e0445064d9f5e348063
 2008-03-28 15:44:09 +00:00
danielk1977
9882d99993 Allow creation of ephemeral pseudo-tables - pseudo-tables that copy a pointer to a row when inserted instead of copying the row data. (CVS 4924) 
FossilOrigin-Name: 1a58a87023f7780aee813ac64dda1a80021002a7
 2008-03-27 17:59:01 +00:00
danielk1977
dfb316d432 Changes to delay freeing buffers associated with vdbe memory cells until either sqlite3_finalize() or sqlite3_release_memory() is called. (CVS 4922) 
FossilOrigin-Name: 8c2f69521f13bc24cf005520efbe0589eeadd763
 2008-03-26 18:34:43 +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
drh
1e968a0cbf Removed the direct btree tests - part of the ongoing effort to test by 
calling only public interfaces.  Modify the sqlite3VdbeRecordCompare
interface to used a pre-parsed second key - resulting in a 13%
performance improvement on speed1p.test. (CVS 4911)

FossilOrigin-Name: 0e1d84f2f456e7680bb667266745b629ddf3605f
 2008-03-25 00:22:21 +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
9d36b4da99 Fix an incorrect comment on the Mem object in vdbeInt.h. (CVS 4752) 
FossilOrigin-Name: 50c9cf9bbbe858d53697b4d3a0c1ec2d63ff5b18
 2008-01-28 15:19:26 +00:00
drh
643167ff21 Add the fault injector module in fault.c. Use it as a basis for memory 
allocation failure testing. (CVS 4742)

FossilOrigin-Name: 1a335e180183b414fcc3510ce28b98b21cd134a6
 2008-01-22 21:30:53 +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
3a40f696d4 Replace the NOPUSH_MASKs with a bit-vector mechanism that can contain 
several different properties about each opcode. (CVS 4677)

FossilOrigin-Name: 042dcb9621934d0318a7c6e9cd08b20a569db367
 2008-01-04 16:50:09 +00:00
danielk1977
2dca4ac1d3 Change the VdbeOp.p4 union to include specific pointer types for the various values of VdbeOp.p4type. (CVS 4667) 
FossilOrigin-Name: 7e8330c8044dc7718e720dbd33f6e2fe970ead77
 2008-01-03 11:50:29 +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
drh
4cf7c7f7e7 The shared_err test runs with no errors. But a potential deadlock has been 
discovered and is still unfixed. (CVS 4317)

FossilOrigin-Name: f84550be0a0c9e5859b852863b9a8f8ed3fd6919
 2007-08-28 23:28:07 +00:00
drh
d0679edc7a Clean up the locking in the btree logic. (CVS 4316) 
FossilOrigin-Name: 967ab229af462a8ae663090ea36b4cc10e351653
 2007-08-28 22:24:34 +00:00
drh
900b31ef49 Work toward correct btree locking in a multithreaded environment. (CVS 4307) 
FossilOrigin-Name: b8cc493b47e618648f645ab73eb0253739e03fcd
 2007-08-28 02:27:51 +00:00
drh
46c99e0f5d Work around problem with forward declarations of constants in MSVC 
in the amalgamation.  Ticket #2574. (CVS 4304)

FossilOrigin-Name: dc80b2e1f4e1d31479aad9f39e651e62f2601fb8
 2007-08-27 23:26:59 +00:00
drh
b21c8cd4f6 The sqlite3_value object now carries an sqlite3* pointer to use for 
recording malloc failures.  This eliminates the need to pass sqlite3*
pointers into many internal interfaces.  Also added more mutexing. (CVS 4263)

FossilOrigin-Name: 9287276191a582c1cf7cf6b71d8399727d8e534d
 2007-08-21 19:33:56 +00:00
drh
abb6fcabcb Combine sqlite3DbOfVdbe() and sqlite3VdbeDb() into a single function. (CVS 4236) 
FossilOrigin-Name: ba80ee59a72afe36817997de705ef81d876b6f35
 2007-08-16 12:24:01 +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
danielk1977
182c4ba979 Allow ALTER TABLE on virtual tables. (CVS 4142) 
FossilOrigin-Name: 37d1f9f37ea9d2e8a4dbe0ec67c0d6eb7fcc5f3f
 2007-06-27 15:53:34 +00:00
danielk1977
246ad31db6 Omit some extra code when OMIT_INCRBLOB is defined. (CVS 4014) 
FossilOrigin-Name: 1d89be287d34423b1a405cde0490260e7c731f07
 2007-05-16 14:23:00 +00:00
drh
87cc3b3180 Remove compiler warnings in the amalgamation. (CVS 3960) 
FossilOrigin-Name: c5754530c6b1a8151c558f33d27fed70c95a988b
 2007-05-08 21:45:27 +00:00
drh
cf1023c08d Disable tracing pragmas when not in debug mode. This eliminates an external 
dependency on stdout. (CVS 3959)

FossilOrigin-Name: 5a0fe9854849bf3f04008a5dbb7a74e7d0d815ca
 2007-05-08 20:59:49 +00:00
drh
023ae03a72 Begin adding code to explicitly limit the size of strings and blobs. (CVS 3943) 
FossilOrigin-Name: 031a5915b68ec6827fee38b8b9dc74a9e0e09302
 2007-05-08 12:12:16 +00:00
drh
fdf972a9ba Add support for zero-blobs to the OP_MakeRecord opcode. 
First test cases of zeroblob functionality. (CVS 3897)

FossilOrigin-Name: e6d560ddeeb48fb0cbd9f5a10612280b055baef7
 2007-05-02 13:30:27 +00:00
drh
8cff382e7d Fix some compiler warnings. Add the (untested) zeroblob() SQL function. (CVS 3895) 
FossilOrigin-Name: 6f4f8ba7ec15f214f36fa78e593dd4522ab717f5
 2007-05-02 02:08:28 +00:00
drh
b026e05eb2 Begin adding the zeroblob API to support incremental blob i/o. (CVS 3894) 
FossilOrigin-Name: 7a01836dde45098796693bc6cb6045c4059adf1a
 2007-05-02 01:34:31 +00:00