drh
9a65f2cd7d
Simplifications to vdbe.c and it service routines in support of coverage
...
testing. (CVS 6799)
FossilOrigin-Name: 308f2e61520ac7440700d93ca5bab4a844f2dc17
2009-06-22 19:05:40 +00:00
drh
aa73609f92
Simplifications to vdbe.c in support of coverage testing. (CVS 6794)
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FossilOrigin-Name: 16680f05bd169dfb1b4bf0eb082e69701f9b07ab
2009-06-22 00:55:30 +00:00
drh
37b89a0186
Make sure the sqlite3VdbeGetOp() subroutine works even when SQLite is
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compiled with SQLITE_OMIT_TRACE. (CVS 6784)
FossilOrigin-Name: 1c8ec2a6e4efbb3fdc58f999b7b725fa5dc4d0e9
2009-06-19 00:33:31 +00:00
shane
75ac1de0ad
Fix compiler warnings with MSVC build. (CVS 6741)
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FossilOrigin-Name: 0bd84e7387802c58c820369ff27ef54adbdf2e96
2009-06-09 18:58:52 +00:00
drh
35cd643cc7
Take care that a corrupt variable-length integer does not cause 32-bit
...
integer overflow when parsing a record format, nor cause excessively large
memory allocations. (CVS 6719)
FossilOrigin-Name: 38b20327a80996c7044b88be32161ac4ac0ec3a9
2009-06-05 14:17:21 +00:00
drh
20411ea700
Enhance the sqlite3VdbeGetOp() routine so that it always returns a pointer
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to VdbeOp, even following an OOM fault. This simplifies error handling in
callers. Cleanup to the column cache logic and the expr.c source module. (CVS 6691)
FossilOrigin-Name: ede06dacdf7acab23cd9666a0a0d092a637bcb78
2009-05-29 19:00:12 +00:00
shane
60a4b53823
Changes to silence compiler warnings under MSVC. (CVS 6613)
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FossilOrigin-Name: df599237e1ca8b4f361477a712cf761aa1fac3df
2009-05-06 18:57:09 +00:00
drh
3500ed6650
Make sure the left-shift operator never overflows. (CVS 6605)
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FossilOrigin-Name: 300da30178c46ab9f2ceb0c3e3ee3eac73d5d8e1
2009-05-05 15:46:43 +00:00
danielk1977
de630353d8
Speed up INSERT operations that add data to UNIQUE or PRIMARY KEY indexes by rationalizing duplicate seek operations. (CVS 6599)
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FossilOrigin-Name: cac4f3d812f0a02ca5c1fa78d366f694403929a8
2009-05-04 11:42:29 +00:00
drh
6149526c25
Change the OP_Rowid opcode so that a deferred OP_Seek is pending, it simply
...
pulls the rowid from the deferred seek target and does not actually move
the cursor or do a seek. Other where.c cleanups. (CVS 6536)
FossilOrigin-Name: 1c508a99822caa383e7e24b5d09a9bddd2ee3a00
2009-04-22 15:32:59 +00:00
drh
1b26c7ccfa
Remove the rowhash object from the code. Rowset now fills its role. (CVS 6535)
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FossilOrigin-Name: e963bed0fe3ce5fa32f04b930e5ed0956dc2aa47
2009-04-22 02:15:47 +00:00
danielk1977
1d46146b58
Attempt to optimize virtual table queries with 'OR' expressions in the WHERE clause. (CVS 6527)
...
FossilOrigin-Name: f61e4cd93682fd98bea2a71d346f9eaa68454390
2009-04-21 09:02:45 +00:00
shane
80167bf080
Fix MSVC compiler warning in vdbeaux.c. (CVS 6485)
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FossilOrigin-Name: d619465e31c2366b389fea6ee2ce6b1806738a0f
2009-04-10 15:42:36 +00:00
danielk1977
f7590db099
Changes to ensure that when running in shared-cache mode with a non-threadsafe build, the correct busy-handler callback is always invoked. (CVS 6481)
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FossilOrigin-Name: 683e4bd74783e6e3f6cf75f9582008c7b7e02a01
2009-04-10 12:55:16 +00:00
drh
8c5d152b53
Force 8-byte alignment of sqlite3_value objects in the
...
sqlite3VdbeUnpackRecord() primitive. Ticket #3777 . (CVS 6479)
FossilOrigin-Name: 2cc68272b1f70701268075cfa82fa64bb2a8179d
2009-04-10 00:56:28 +00:00
drh
3c6d9a48e0
Check-in (6450) introduced the possibility of calling memset() with a
...
negative 3rd argument. This fixes that bug. Ticket #3777 . (CVS 6452)
FossilOrigin-Name: 8ca612c42e0de3ef5b2f92d80a56db1bef34b1c6
2009-04-06 11:11:42 +00:00
drh
ea598cbd8d
Additional code to make sure and to assert that memory allocations have
...
8-byte alignment. Ticket #3777 . (CVS 6450)
FossilOrigin-Name: 208382e032134d9c78fe1cfcb98ce9defb4e3e26
2009-04-05 12:22:08 +00:00
danielk1977
357864ecb6
Fix a problem preventing sqlite3_extended_errcode() from working correctly. (CVS 6385)
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FossilOrigin-Name: de469c46f55bf772ab8a49a185dc1b87360a937f
2009-03-25 15:43:08 +00:00
danielk1977
bc73971db6
Use the ROUND8() macro to round an integer up to the nearest multiple of 8 and ROUNDDOWN8() macro to round down to the nearest multiple of 8. This is a cosmetic change. (CVS 6372)
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FossilOrigin-Name: db1d4d2f5083adf5438c7f387b115180800e7bd9
2009-03-23 04:33:32 +00:00
danielk1977
c926b6a65b
Fix an assert failure introduced by (6355). (CVS 6365)
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FossilOrigin-Name: a08324d16d1e9a4e7c1b294bc71fc939d173f826
2009-03-20 14:42:11 +00:00
danielk1977
bd43455c38
Fix some cases where executing SQL from within a user-function callback could cause problems related to statement-transactions. (CVS 6355)
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FossilOrigin-Name: a60f4191791dd7bb49d5c95b350a9924845b59a8
2009-03-18 10:33:00 +00:00
danielk1977
404ca07578
Add the sqlite3_unlock_notify() API. (CVS 6348)
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FossilOrigin-Name: b649a6cc5bfefddd6a04b1183647d2923e0a0daa
2009-03-16 13:19:36 +00:00
shane
be21779385
Corrected typos and misspellings. Ticket #3702 . (CVS 6336)
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FossilOrigin-Name: 6404afa0c515a6536fc2e878d4fb451e4dc06942
2009-03-05 04:20:31 +00:00
shane
c0688ea172
Removed compiler warnings from MSVC builds. Ticket #3701 . (CVS 6335)
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FossilOrigin-Name: 5477833ec7f707ea9937d3fd6a6d8ab49f2016f1
2009-03-05 03:48:06 +00:00
drh
b45f65db8f
Fix a critical bug in the VDBE opcode array resizer introduced by
...
check-in (6307). Bug detected by regression testing. (CVS 6330)
FossilOrigin-Name: ec3b18acaecabae6eb04eda006870e602faacb8c
2009-03-01 19:42:11 +00:00
danielk1977
d336e222f4
Instead of using SetNumColumns, specify the number of columns in a table or index using the P4 argument. (CVS 6310)
...
FossilOrigin-Name: e43ed649630cbc49a6f2a25a26a4a6b5fce84c48
2009-02-20 10:58:41 +00:00
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)
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FossilOrigin-Name: d9f6ffbc5ea090ba0daac571fc9a6c68b9c864e4
2009-02-19 14:39:25 +00:00
danielk1977
0410302e58
Commit first version of the 'backup' feature. (CVS 6241)
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FossilOrigin-Name: 663479b417fc06ba1790a544f28694f8797cee57
2009-02-03 16:51:24 +00:00
danielk1977
bea2a94850
Big change to make pager.c easier to follow. Unused variables removed, comments improved, etc. (CVS 6197)
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FossilOrigin-Name: 12f7346c13c180ed73d7a2e3b590be457360254a
2009-01-20 17:06:27 +00:00
danielk1977
78ca0e7eb4
When not compiling for an EBCDIC system, use built-in alternatives to the tolowe
...
r(), toupper() and other ctype.h library functions. Ticket #3597 . (CVS 6196)
FossilOrigin-Name: 1041abd6784d283bebf646c54e93599522f7889d
2009-01-20 16:53:39 +00:00
danielk1977
45d6882fd9
Revert (6187). (CVS 6188)
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FossilOrigin-Name: a353c1ab376b159c4d12532412365318cdbdcc60
2009-01-16 16:23:38 +00:00
danielk1977
443c0597fe
This commit is an error. Reverted by (6188). (CVS 6187)
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FossilOrigin-Name: aa67fd0cdb4f53a0c6e15c001d37554d15006718
2009-01-16 15:21:05 +00:00
danielk1977
fc158bf920
Fix savepoint related bugs. A rollback caused by an IO error or "OR ROLLBACK" clause while one or more savepoints were open was leaving the sqlite3 structure in an invalid state. (CVS 6128)
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FossilOrigin-Name: e5d42c69a3b325ca12f53184e33964230acbdd1f
2009-01-07 08:12:16 +00:00
drh
853799a26e
When the commit_hook calls a query recursively, make sure the commit_hook
...
is not invoked recursively. Ticket #3564 . (CVS 6107)
FossilOrigin-Name: 27ae406537c07073db46ecde40c65c78fbb73170
2009-01-03 14:04:38 +00:00
shane
153015969b
Fix a compile error in an assert() and a warning with MSVC builds. (CVS 6032)
...
FossilOrigin-Name: 8b8f6a6ab597e06e60557ab56c6ee7f8522ed570
2008-12-16 17:20:38 +00:00
drh
88a003e28e
Guard against attacks from deliberately corrupted database files. (CVS 6021)
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FossilOrigin-Name: da2ec96422b1f9de2e47d3b8c19ed20579742a9b
2008-12-11 16:17:03 +00:00
drh
ea6788322e
Never use strlen(). Use our own internal sqlite3Strlen30() which is
...
guaranteed to never overflow an integer. Additional explicit casts to
avoid nuisance warning messages. (CVS 6007)
FossilOrigin-Name: c872d554930ecf221ac2be5f886d5d67bb35288c
2008-12-10 19:26:22 +00:00
drh
dc5ea5c785
Remove or rename local variables that shadow other variables or parameters. (CVS 6005)
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FossilOrigin-Name: e7e9fa4fa1b7fc0668f4e3a51873ee5d11893f42
2008-12-10 17:19:59 +00:00
drh
8df32841de
Suppress more silly compiler warnings. (CVS 5995)
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FossilOrigin-Name: 1522c2c6677b97edfa09dd64b4f9ed139aeb5bec
2008-12-09 02:51:23 +00:00
drh
6a1e071f3d
Make use of sqlite3DbMallocSize to maximize the size of growable buffers
...
after each reallocation. Added new comments and testcase() macros to
where.c. (CVS 5981)
FossilOrigin-Name: 46f2d08959423e130a5b346138311649d92f0fde
2008-12-05 15:24:15 +00:00
drh
3d4501e573
Replace the VDBE Fifo object with the new RowSet object. (CVS 5977)
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FossilOrigin-Name: 39a0750b49cf55e9c0927169ca47db909f5c16ea
2008-12-04 20:40:10 +00:00
danielk1977
6c359f071d
Fix the OOM handling for explain statements so that it is the same as for regular statements if the OOM error occurs from within a call to sqlite3_column_text() or text16(). (CVS 5941)
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FossilOrigin-Name: 891b14e138c4d6cac0dfb234d8aedc5dabe376ab
2008-11-21 16:58:03 +00:00
danielk1977
00e136135e
Modifications to avoid unsigned/signed comparisons in various files. (CVS 5914)
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FossilOrigin-Name: 8009220c36635dd9b6efea7dc13281ca9625c40a
2008-11-17 19:18:54 +00:00
danielk1977
093e0f6ffe
Avoid committing a transaction from within the xSync() method of a virtual table. Fix for #3497 . (CVS 5902)
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FossilOrigin-Name: eabb8b7591eab164c637d78ca4df00fcb5bd3c5b
2008-11-13 18:00:14 +00:00
drh
0793f1bdb4
Fix memory allocation problems when string length exceeds limits. (CVS 5865)
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FossilOrigin-Name: b568e325205acaa2f63bce2d6cc2808edc9f2e01
2008-11-05 17:41:19 +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
c46f52034f
Avoid a segfault when OOM on a simple EXPLAIN query. Ticket #3478 . (CVS 5860)
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FossilOrigin-Name: acf26cc0f77b3a308d86f6dc02ecda66a4b12fd0
2008-11-04 14:25:06 +00:00
drh
dfe88ece74
Change the name of the Cursor object to VdbeCursor. (CVS 5857)
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FossilOrigin-Name: fdb98fd8c1706085ebeef8e48ac6737839bed5e5
2008-11-03 20:55:06 +00:00
danielk1977
e435975093
Modify an assert() statement to fix #3473 . No other code changes. (CVS 5856)
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FossilOrigin-Name: aca6b260c0dd1a1515b70f3567a0653b6bcdeea2
2008-11-03 09:39:45 +00:00
