cb9a364390
Experimental change to invoke the preupdate hook when WITHOUT ROWID tables are
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written.
FossilOrigin-Name: 856f8604c59c8fdd9bfb7d86fc0e212f091ab49a
2017-01-30 19:44:53 +00:00
d08406477a
Performance optimization in sqlite3VdbeCloseStatement().
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FossilOrigin-Name: 1e96e5ec1ee617cb5b5cbdc5a2ee79c8cc35821d
2017-01-26 17:11:18 +00:00
2a86c1962c
Fix a problem with the pre-update hook on this branch.
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FossilOrigin-Name: 6fc4fbfa29cfa795edf32e4a1f2d0eceb3007f68
2017-01-25 17:44:13 +00:00
585ce1923c
Experimental enhancement to automatically trim NULL values from the end of
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records, for a reduced disk footprint. This change also involves increasing
the P5 operand from 8 to 16 bits.
FossilOrigin-Name: 118ded403b95050b74ae2b03919c43d614094a32
2017-01-25 14:58:27 +00:00
9e1ab1a8a4
Ensure that sqlite3_column_count() returns 0 for the "set" mode of "get/set"
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PRAGMA statements that do not return a value in that case (e.g. page_size,
cache_size, auto_vacuum).
FossilOrigin-Name: 5c05d8ec5e895661dae2de30c73dfdeaff93511e
2017-01-05 19:32:48 +00:00
f326d66d61
Fix the VList object so that it actually works.
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FossilOrigin-Name: 9dcd85698af46fd5ba34004ca690d368c4ae3078
2016-12-23 13:30:53 +00:00
9bf755cc44
Use the VList object to replace Parse.azVar for tracking the mapping between
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SQL parameter names and parameter numbers. There is a performance
improvement, though there are still a few hiccups in the current code.
FossilOrigin-Name: 68ecafa1425a41358c88f41efea3262f1b4490f2
2016-12-23 03:59:31 +00:00
a582b01698
Simplifications to the way UnpackedRecord objects are allocated. Smaller
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and faster code that also fixes a subtle (currently unreachable) bug.
FossilOrigin-Name: f7ab01f254cd9d7006b8dec29adb234a671b8e6f
2016-12-21 19:45:54 +00:00
fbd8cbdcf5
Reorder the fields in the VdbeCursor object so that those that need to be
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bulk zeroed on allocation are grouped at the beginning, and the memset()
only runs over those fields that really need it.
FossilOrigin-Name: 8165f88bb1d40693d67005a8d5dc499085f64b91
2016-12-10 12:58:15 +00:00
f14b7fb73b
Add the sqlite3VdbeAppendP4() method for adding P4 content to the most recently
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coded instruction.
FossilOrigin-Name: 28883e8f3e92a8015fb5f6c8ae8580833931543d
2016-12-07 21:35:55 +00:00
861b1307cb
The use P4_DYNAMIC in place of the P4_MPRINTF operand type.
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FossilOrigin-Name: 3954f83798ed78527280c9db6360c62a5134b9ec
2016-12-07 20:22:31 +00:00
bdaa1ee2ee
Performance optimization for sqlite3VdbeAddOp4().
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FossilOrigin-Name: 04716c907bf9fc9b827e18fdc7b4e1069e201536
2016-12-07 20:09:51 +00:00
cb3cabd01b
Refactor the sqlite3BtreeKey() and sqlite3BtreeData() internal interfaces
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into sqlite3BtreePayload() and sqlite3BtreePayloadChecked(), respectively.
This is a continuation of the optimization started by check-in
[2d831074cf]. The result is a slightly smaller and faster binary.
FossilOrigin-Name: 49ebc219faea30eaa61def4a3fba2817b9c58a86
2016-11-25 19:18:28 +00:00
30642cf4d2
Correctly display the names of SQL functions in the VDBE_PROFILE output.
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FossilOrigin-Name: 161192f17273f32f1b3b82d41135aaca047e9a83
2016-11-23 14:19:11 +00:00
e43635aaa7
In the sessions module, avoid recording a change if an UPDATE statement
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overwrites a column with REAL affinity containing an integer value with the same value.
FossilOrigin-Name: b861328ab9ceec6926d97658c3606e6ae9ad39bf
2016-10-21 21:21:45 +00:00
230368c30d
Remove an unnecessary memset() call.
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FossilOrigin-Name: a76bff74ce47c9c98106566bde5d781992657e22
2016-10-01 19:32:54 +00:00
d8e4b13256
Use sqlite3DbMallocRawNN() where appropriate, instead of
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sqlite3DbMallocRaw().
FossilOrigin-Name: 54a449a41d8d32da2f8b73689227ced866974a18
2016-10-01 19:21:56 +00:00
8dfef1175e
Make sure deleting an unused prepared statement does not reference
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uninitialized fields in the structure.
FossilOrigin-Name: 7983eef0422439bfc85950554b000d46a9767ee3
2016-10-01 16:53:45 +00:00
ab3182f7c4
Avoid unnecessary zeroing of fields in the Vdbe object when it is allocated.
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FossilOrigin-Name: 1e21bbe836539e64d24857f4faa3d12cd607dc7e
2016-10-01 00:37:50 +00:00
9b40d13f43
Fix the Parse.aColCache column cache so that all of the valid entries are
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in the first Parse.nColCache slots.
FossilOrigin-Name: 6028502059ccbd3699637b7a70a6d8ce1b7c3dad
2016-09-30 20:22:27 +00:00
2a1df937ab
Avoid unnecessary Mem initializations when generating a new sqlite3_stmt
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object.
FossilOrigin-Name: 47ae1cda8dc255d100aeb8cb90ea4c9e449509be
2016-09-30 17:46:44 +00:00
dd3bfe8648
Small size and performance optimization to sqlite3VdbeChangeP5().
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FossilOrigin-Name: 3c93c8f5bbf54ed2a331079b28fdd94eb0e59e69
2016-09-29 20:28:34 +00:00
2831c4d123
Remove the peep-hole optimization of removing OP_Close opcodes that come
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before OP_Halt, as the extra work of removing those opcodes uses more cycles
than just running them.
FossilOrigin-Name: 984a96d79656c1b095aba1f88aca4bb787ba0bd8
2016-09-29 19:50:02 +00:00
8aaf7bcc8d
Avoid unnecessary calls to ExpandBlob() for smaller and faster code.
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FossilOrigin-Name: 5e196fd18169e84806cd45dd1a8190339323e772
2016-09-20 01:19:18 +00:00
9e5eb9c8cc
Revise the implementation of OP_Once so that it is smaller, faster, and uses
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less memory. This also fixes an obscure bug introduced 3 days ago by check-in
[5990a1bdb4a073].
FossilOrigin-Name: 6bf5ba10d28f1b0a32aa9a560ae3143a1235eadb
2016-09-18 16:08:10 +00:00
72ceae01e5
Slight size reduction and performance increase in sqlite3VdbeHalt().
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FossilOrigin-Name: 5990a1bdb4a0734ff23015ada71cf02d0cb1381f
2016-09-15 00:32:42 +00:00
5f6eb1a0dc
Optimization to vdbeRecordCompareInt() makes it slightly smaller and faster.
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FossilOrigin-Name: 5a2a7712cb8e0b686942dfab4e9e67b5ea7b2be3
2016-09-15 00:04:46 +00:00
64caee4086
Performance improvements to the comparison operators in the bytecode engine.
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FossilOrigin-Name: 37803b19d219f4107f29b240d5d314600e4bd236
2016-09-09 19:33:00 +00:00
1ad78c5791
Fix the extra comments (added with -DSQLITE_ENABLE_EXPLAIN_COMMENTS) so that
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the sense of <, <=, >, and >= tests is correct and so that the
SQLITE_STOREP2 version is shown correctly. These changes are already in the
rowvalue branch but are added here since they are technically unrelated to
rowvalue.
FossilOrigin-Name: 4d43c4698eef4e3db7556813f0274b4018c7c2b9
2016-08-27 14:05:12 +00:00
557341e8fa
Add requirements marks to the sqlite3_trace_v2() interface documentation.
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FossilOrigin-Name: ebd388e94da4a2b29c2a546f832d359619803ec5
2016-07-23 02:07:26 +00:00
cf1e395acb
Fix sqlite3VdbeExpandSql() so that it handles OOMs by always returning NULL.
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FossilOrigin-Name: 5a027fe4127d498e0dc0d9439131c6a29085cf0a
2016-07-23 00:43:14 +00:00
9a8b9ec51c
Be sure to hold the database connection mutex while calling sqlite3VdbeExpand()
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from within sqlite3_expanded_sql().
FossilOrigin-Name: 527b5ba68c0b0185958b945b197f9022951d9379
2016-07-22 20:45:03 +00:00
8d85364261
The sqlite3_expanded_sql() function compiles, but always returns NULL, when
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the SQLITE_OMIT_TRACE compile-time option is used.
FossilOrigin-Name: 53c25ebe34e6776a12260078852973b1d581d20f
2016-07-15 10:01:06 +00:00
0129a54a16
Fix copy/paste typo in the new sqlite3_expanded_sql() function.
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FossilOrigin-Name: e7d18c70d2b8f09c9f5b978fe3d69d1088e42322
2016-07-14 09:22:16 +00:00
fca760c841
Add the sqlite3_expanded_sql() interface. Refinements to the
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sqlite3_trace_v2() interface to make it more useful.
FossilOrigin-Name: 99ee7ee58d45b29a0000492306ddc0b90563ff51
2016-07-14 01:09:08 +00:00
a7c90c42ea
Change the sqlite3BtreeKeySize() interface into sqlite3BtreeIntegerKey() and
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make it only work for table btrees. Change sqlite3BtreeDataSize() into
sqlite3BtreePayloadSize() and make it work for all btrees. Combine
sqlite3BtreeDataFetch() and sqlite3BtreeKeyFetch() into a single
sqlite3BtreePayloadFetch() routine. These changes seem to make the
b-tree interface more rational and they reduce both binary size and
CPU usage.
FossilOrigin-Name: bef35e18dd19732f7859287b097feeb593e5900f
2016-06-04 20:37:10 +00:00
f431a87c7c
Performance optimization and size reduction on the freeP4() routine.
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FossilOrigin-Name: 4dc56e8684e0c74fb311c7f0ef1c367da8c7bf70
2016-05-20 15:53:47 +00:00
c310db39ff
Rename the OP_MX_JUMP macro to SQLITE_MX_JUMP_OPCODE to avoid confusing the
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opcode name generator.
FossilOrigin-Name: e554a4c38bda9c73bf129bb7c665c53ccc4d96a8
2016-04-11 16:35:05 +00:00
7cc84c2cdd
Remove the VdbeOp.opflags field and its associated initialization overhead.
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Update mkopcodeh.tcl to reorder opcode numbers to help the resolveP2Values()
routine run faster.
FossilOrigin-Name: 099478fa7521ba52262ef2bf24dd8f0114ce92e1
2016-04-11 13:36:42 +00:00
be5000d6bf
Instead of just commenting out the unneeded code in the previous check-in,
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remove it completely.
FossilOrigin-Name: 8415d4848ab36ca33b23d1fad6b063544de04a3b
2016-04-07 14:05:20 +00:00
3b42be9178
Remove an unnecessary test for a NULL pointer in freeP4().
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FossilOrigin-Name: e84e88e31b67afe42e2494d984ab1cafd107465a
2016-04-07 14:01:10 +00:00
74c3302fd1
Avoid compiler warnings and excess opcodes when SQLITE_ENABLE_PREUPDATE_HOOK
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is not used. Fix the EXPLAIN output for P4_TABLE opcodes.
FossilOrigin-Name: 5ab46d760dff327491703478d6d7c7c44a0147ca
2016-03-30 12:56:55 +00:00
dbf8a16cb3
Merge 3.12.0 beta changes from trunk.
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FossilOrigin-Name: 3296a0ceedef43c2790f0b36471f91138a575243
2016-03-21 15:32:19 +00:00
3cdce92c38
Remove an unreachable branch. Improvements to comments.
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FossilOrigin-Name: c5677ecd5cd2637d92a831ec6bd5b002f8d75626
2016-03-21 00:30:40 +00:00
9f6168b6a3
Change the Vdbe.aMem array so that it is zero-based instead of one-based.
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FossilOrigin-Name: e07b0c47eb5a39623f5fe0e66b939bba0906691c
2016-03-19 23:32:58 +00:00
f71a366407
Some pragmas can be reused without an automatic reprepare.
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FossilOrigin-Name: db1ce7e13e656fcd2766f1b1f225cbfefe8f73ad
2016-03-16 20:44:45 +00:00
d3e1af4aa0
Merge all the latest changes from trunk.
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FossilOrigin-Name: b86590043e17705ada90562cf30f69b3e3ef65a4
2016-02-25 18:54:30 +00:00
b052958657
Remove code not needed now that synchronous=OFF database files no longer
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trigger the use of a master journal.
FossilOrigin-Name: aa9f4c622af191edbeb6a535942944f8c91f5c37
2016-02-22 23:44:42 +00:00
b9626cfa70
Always use the sqlite3VdbeDeleteAuxdata() routine for clearing auxdata on
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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
8e6cf0a7c5
Avoid creating a master journal unless two or more databases in the
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transaction can actually benefit from that master journal.
FossilOrigin-Name: 3ed1890612bd45bd9c72f670d2cbb0b8fbd35d92
2016-02-22 14:57:38 +00:00
dan