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19,138 Commits 1,607 Branches 185 Tags
98b677f2cb15b1dff79920237b9961d7b5c05a5a
Commit Graph

1063 Commits

Author SHA1 Message Date
drh
74c3302fd1 Avoid compiler warnings and excess opcodes when SQLITE_ENABLE_PREUPDATE_HOOK 
is not used.  Fix the EXPLAIN output for P4_TABLE opcodes.

FossilOrigin-Name: 5ab46d760dff327491703478d6d7c7c44a0147ca
 2016-03-30 12:56:55 +00:00
drh
dbf8a16cb3 Merge 3.12.0 beta changes from trunk. 
FossilOrigin-Name: 3296a0ceedef43c2790f0b36471f91138a575243
 2016-03-21 15:32:19 +00:00
drh
3cdce92c38 Remove an unreachable branch. Improvements to comments. 
FossilOrigin-Name: c5677ecd5cd2637d92a831ec6bd5b002f8d75626
 2016-03-21 00:30:40 +00:00
drh
9f6168b6a3 Change the Vdbe.aMem array so that it is zero-based instead of one-based. 
FossilOrigin-Name: e07b0c47eb5a39623f5fe0e66b939bba0906691c
 2016-03-19 23:32:58 +00:00
drh
f71a366407 Some pragmas can be reused without an automatic reprepare. 
FossilOrigin-Name: db1ce7e13e656fcd2766f1b1f225cbfefe8f73ad
 2016-03-16 20:44:45 +00:00
drh
d3e1af4aa0 Merge all the latest changes from trunk. 
FossilOrigin-Name: b86590043e17705ada90562cf30f69b3e3ef65a4
 2016-02-25 18:54:30 +00:00
drh
b052958657 Remove code not needed now that synchronous=OFF database files no longer 
trigger the use of a master journal.

FossilOrigin-Name: aa9f4c622af191edbeb6a535942944f8c91f5c37
 2016-02-22 23:44:42 +00:00
drh
b9626cfa70 Always use the sqlite3VdbeDeleteAuxdata() routine for clearing auxdata on 
function parameter, rather than having a separate deleteAuxdataFromFrame()
for doing the job for trigger frames.

FossilOrigin-Name: 64386fa339adb91439da979d74062f67a6ec68fd
 2016-02-22 16:04:31 +00:00
drh
8e6cf0a7c5 Avoid creating a master journal unless two or more databases in the 
transaction can actually benefit from that master journal.

FossilOrigin-Name: 3ed1890612bd45bd9c72f670d2cbb0b8fbd35d92
 2016-02-22 14:57:38 +00:00
dan
3200132add Use a separate list of aux-data structures for each trigger program at the VDBE level. Fix for [dc9b1c91]. 
FossilOrigin-Name: c4295725015d394f01b8563f47236e0890f1cc0d
 2016-02-19 18:54:29 +00:00
mistachkin
fad3039c51 Enhance ability to debug out-of-memory errors. 
FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28
 2016-02-13 23:43:46 +00:00
drh
1a606f8246 Merge enhancements and fixes from trunk. 
FossilOrigin-Name: f040a5bb62f3473fba6450c97c68f538d1df21ef
 2016-02-09 15:44:18 +00:00
drh
2fade2f791 Make sure every co-routines has its own set of temporary registers and does 
not share temporaries, since a co-routine might expect the content of a
temporary register to be preserved across an OP_Yield.
Proposed fix for ticket [d06a25c84454a].

FossilOrigin-Name: ca72be8618e5d466d6f35819ca8bbd2b84269959
 2016-02-09 02:12:20 +00:00
drh
0ac7cfaf99 Merge enhancements from trunk. 
FossilOrigin-Name: a533608cb0de3cbc1e28a794aab99864b8c249f4
 2016-02-05 14:15:34 +00:00
drh
575fad6500 Add the slightly faster sqlite3DbMallocRawNN(db,n) routine for the majority 
cases where db is guaranteed to be not NULL.

FossilOrigin-Name: 0a802e96ab06e2643834b83671fa8353da1a348d
 2016-02-05 13:38:36 +00:00
drh
b84e574c89 Further performance improvements that fall out of the mallocFailed changes. 
FossilOrigin-Name: d94416ddca8f7ed727dd335d38155ea5945a86b7
 2016-02-05 02:42:54 +00:00
drh
4a642b6060 Improvements to the way that OOM errors are processed. 
FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
 2016-02-05 01:55:27 +00:00
drh
1b32554b80 Enhance the internal sqlite3VdbeAddOpList() interface to automatically update 
jump destinations.  Use this feature to simplify the AUTOINCREMENT code
generator.

FossilOrigin-Name: ae8b9d2edf1b5aef6108e729754911db7682b6a3
 2016-02-03 01:55:44 +00:00
drh
33c1eb6477 Merge all recent enhancements from trunk. 
FossilOrigin-Name: f3f9200115caf4b356f90ec97c351d1afbcb9bf6
 2016-02-02 02:22:30 +00:00
drh
ed94af5eb9 Number VDBE opcodes starting with 0 instead of 1, as this obviates the 
lower-bound test on "switch(opcode){...}", making the code smaller and faster.

FossilOrigin-Name: 4c9222f75bfac47f5422fff86b2d69a61933b3a2
 2016-02-01 17:20:08 +00:00
drh
b0c886510f Minor simplification to the OP_AutoCommit opcode. Fix some code comments 
related to transaction control.

FossilOrigin-Name: a9b6a0672f84dd205f9333951e4c2a608d027d71
 2016-02-01 13:21:13 +00:00
drh
5f4a686f8c Simplification and size reduction to the printf logic. Remove the bFlags 
parameter from sqlite3VXPrintf() and sqlite3XPrintf().  Use sqlite3XPrintf()
instead of sqlite3_snprintf() for rendering P4 values in EXPLAIN output.

FossilOrigin-Name: 0bdb41c45aa1cc8e5c136aaa6605d54b401483bd
 2016-01-30 12:50:25 +00:00
drh
b17020265b Change the P4_INTARRAY so that always begins with a length integer. Print 
the content of the INTARRAY on EXPLAIN output.

FossilOrigin-Name: 6c520d5726e80b4251338c43c405270d150ea81e
 2016-01-30 00:45:18 +00:00
dan
de892d9660 Experimental attempt to make better use of covering indexes within OR queries. 
FossilOrigin-Name: a323ac3a9d42bd5cb38d724c7e1180584b91054c
 2016-01-29 19:29:45 +00:00
dan
d5cafb380e Remove a duplicate "p->magic = VDBE_MAGIC_RUN;" line from vdbeaux.c. 
FossilOrigin-Name: 688eb3b400a3f2f8005c341e8259f4c1485cb0ed
 2016-01-28 08:58:45 +00:00
drh
a7dc4a321d Small simplification to the prepare statement opcode memory reuse logic. 
Easier to read, and slightly smaller and faster.

FossilOrigin-Name: 8a1deae497edf3fa43fa96152d140405398c5ed6
 2016-01-25 02:15:02 +00:00
drh
20f272c96f Merge recent enhancements from trunk. 
FossilOrigin-Name: 327af5f644a49b2f41d5456958f9d61a2b704e1c
 2016-01-20 11:33:37 +00:00
dan
5c3aa0517e Improve performance of sqlite3VtabImportErrmsg(). 
FossilOrigin-Name: 18d61c8e40ed1466b6a3a2f53bf0eeb09687c20e
 2016-01-20 08:47:55 +00:00
drh
939e778bc8 Suppress the display of the P4 operand in EXPLAIN output when an opcode 
has been converted into a No-op.

FossilOrigin-Name: 9f8297f862a110ded686d091854fae20c6bc393c
 2016-01-20 02:36:12 +00:00
drh
4b31bda2c5 Remove an unnecessary memset() for a small size reduction and speed improvement. 
FossilOrigin-Name: 730d7efb6fef54ed7c1f4ae27e3b55778ea6ff01
 2016-01-20 02:01:02 +00:00
drh
6d664b4bb3 During compilation, transfer the azVar[0..nzVar-1] array from Parse to Vdbe 
rather than copying it.  Smaller and faster code.

FossilOrigin-Name: 80dd495f378614e4eca72e71e43061b1b94ee450
 2016-01-20 01:48:25 +00:00
drh
b8763639bb Fix two harmless compiler warnings about comparisons of dangling pointers. 
FossilOrigin-Name: 86944f193f1f06b64471953bb5713ecea7f3d803
 2016-01-19 17:54:21 +00:00
drh
dad300d8e1 Fix a problem with SQLITE_TEST_REALLOC_STRESS. 
FossilOrigin-Name: 0aaf3febb00f622c5ef0853b2491d69f7ca7a21e
 2016-01-18 00:20:26 +00:00
drh
2ce1865dd8 Improvements to the way sqlite3VdbeAddOpList() works, resulting in a slightly 
smaller and faster binary.

FossilOrigin-Name: 88ceb588bcdb3ca86d0c58cfdeb61b5fe070872f
 2016-01-16 20:50:21 +00:00
drh
9b34abee30 Use sqlite3VdbeAddOp4() rather than a separate sqlite3VdbeChangeP4() call, for 
a slightly smaller and faster binary.

FossilOrigin-Name: a4258cd4613c55acacb5c7b61faa3de7eb0759d2
 2016-01-16 15:12:35 +00:00
drh
cb75bff3f7 Merge the latest fixes and enhancements from trunk. 
FossilOrigin-Name: 007e5c6df60f9743ac6914332f59925e4a7a861c
 2016-01-14 14:48:17 +00:00
drh
00dcecab19 Performance optimization in the sqlite3VdbeChangeP4() routine of the 
code generator.

FossilOrigin-Name: 28bd8d5fc541464b69886b7e886939035b42a869
 2016-01-11 22:58:50 +00:00
drh
604ce70448 Merge recent enhancements, and especially the WAL overwrite change, from trunk. 
FossilOrigin-Name: c4a858b228a164be2f89f5b01833f0b5e0d7735b
 2016-01-11 13:10:41 +00:00
dan
20d876fa1c Have the vdbe layer call sqlite3BtreeEnter() on all b-trees in use from within sqlite3VdbeExec() even in SQLITE_THREADSAFE=0 builds. This ensures that BtShared.db is set correctly. 
FossilOrigin-Name: d0214602d44d6b84b7463d530720e2560aee6edf
 2016-01-07 16:06:22 +00:00
drh
f56a2a07ff Merge changes for version 3.10.0. 
FossilOrigin-Name: fa4705c91f9650ecd7ec967dbbf0028aabd8a98c
 2016-01-06 15:14:53 +00:00
drh
0816905cdd Another attempt to get reuse of excess opcode array space working correctly 
on all architectures and platforms.

FossilOrigin-Name: 2f8583748abab1e15029d3a8693ba9a66c978c2b
 2016-01-05 03:39:25 +00:00
drh
11e3e538d6 Fix a corner case in the opcode-array reuse logic where the number of bytes of 
reusable space might be computed to be a negative number, due to unusual
system alignment restrictions and rounding error.

FossilOrigin-Name: 1aa530144643582658c8c1dd66548662f950efe3
 2016-01-04 23:43:47 +00:00
drh
721f26dc9a Merge in last-minute patches for the 3.10.0 beta. 
FossilOrigin-Name: c785cd7813e4ef6d6f2cb362a0f822713db6bcea
 2016-01-04 19:02:47 +00:00
drh
bd57308eef Remember the size of the Vdbe.aOp[] array in bytes, to avoid unnecessary 
calls to sqlite3_msize().

FossilOrigin-Name: 3e852804c85a5c9f4c4ffafd55d03af6d19fe5cc
 2016-01-01 16:42:09 +00:00
drh
3c19bb60d1 Avoid misaligned memory allocations on Sparc in sqlite3VdbeMakeReady(). 
FossilOrigin-Name: a304e34675404aee860fcc97fa4ffcc57c014812
 2016-01-01 16:26:22 +00:00
drh
8de1d77c60 Merge the latest enhancements from trunk. 
FossilOrigin-Name: c0be246a740c8f33a7c07e1414688364dee56ece
 2016-01-01 13:25:06 +00:00
drh
e5520e2f06 Small size and performance optimization to the VDBE comparison opcodes. 
FossilOrigin-Name: 7a0b9413fa94d3f4fa9751ddf9b213a1238954f1
 2015-12-31 04:34:26 +00:00
drh
173b60999e Merge recent enhancements from trunk. 
FossilOrigin-Name: f6c9273cab877b8b6b327250195f3392393d060a
 2015-12-16 19:47:54 +00:00
drh
567a43bbc3 Simplified alignment constraints in the memory reuse logic of 
sqlite3VdbeMakeReady().

FossilOrigin-Name: e998513e442ce1206b12dc28bdc996d7b5f9f94d
 2015-12-11 13:51:02 +00:00
drh
9b810ae8f3 Fix a memory allocation bug introduced last week by check-in 
[a9e819082ba].  The bug only appears on systems where the size of a structure
is not always a multiple of 8 - which in practice means only on 32-bit 
windows systems.

FossilOrigin-Name: 96d3e99ffe59b5280b8b7fc269c94a72e15c345b
 2015-12-11 04:11:17 +00:00