cb9a364390
Experimental change to invoke the preupdate hook when WITHOUT ROWID tables are
...
written.
FossilOrigin-Name: 856f8604c59c8fdd9bfb7d86fc0e212f091ab49a
2017-01-30 19:44:53 +00:00
d447dced96
Trim NULL values off the end of records when the SQLITE_ENABLE_TRIM_NULLS
...
compile-time option is used. Increase the size of the P5 operand to 16 bits.
Fix a problem with short records in the sessions extension.
FossilOrigin-Name: 4801bd59a01dcc11a3eb9e776e7599b36f162d2a
2017-01-25 20:55:11 +00:00
585ce1923c
Experimental enhancement to automatically trim NULL values from the end of
...
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
f91c1318f4
Changes to allow some multi-row UPDATE statements to avoid the two-pass
...
approach.
FossilOrigin-Name: 46db23ccd116ce5b9d949f9293be8a2818411b46
2017-01-10 20:04:38 +00:00
e7b554d615
Modify the OP_RowData opcode so that when P3!=0 it is allowed to hold an
...
ephemeral copy of the content. This avoids unnecessary memcpy() operations
in the xfer-optimization and VACUUM.
FossilOrigin-Name: 6e106acd74da3baa5c308a76443d2f0a7c904e5e
2017-01-09 15:44:25 +00:00
68116939eb
Improvements to the iIdxNoSeek optimization of sqlite3GenerateRowDelete()
...
so that it is automatically disabled for BEFORE triggers but works in all
other cases.
FossilOrigin-Name: 3178ec4c27efc4ff84bcd17ddb17ec50a6ac96b3
2017-01-07 14:47:03 +00:00
4cef5b1c81
Critical fix to the previous check-in so that it works when there are
...
BEFORE triggers that move the cursor before the OP_Delete has a chance to
be applied.
FossilOrigin-Name: db2c0960ffb3b396b20e0441d3edb812254c82bc
2017-01-07 14:26:28 +00:00
ad1d9a8707
Avoid an unnecessary btree seek while deleting an index entry due to a conflict
...
on a REPLACE operation.
FossilOrigin-Name: f0495c5133d0dc04d63521136d6b9ca440792cdf
2017-01-07 03:26:50 +00:00
f9a12a106b
Fix some problems with foreign key processing within REPLACE ops on WITHOUT
...
ROWID tables with no triggers or auxiliary indexes.
FossilOrigin-Name: c1220b1af62629d7fc2178512786d613cd7ea711
2017-01-05 06:57:42 +00:00
801f55d837
Improved the comment on the block of code the provides the performance
...
optimization originally added by check-in [925840cfdb]. The original
check-in omitted condition 4, which was the cause of bug [30027b613b].
FossilOrigin-Name: c6506b82aa6583ccde5f673c79526d5f3920b67a
2017-01-04 22:02:56 +00:00
4e1f0efb4d
Possible fix for 30027b61. There may still be problems surrounding foreign key
...
processing.
FossilOrigin-Name: 71ccb1f4c490fdebc7008e884384e7809b849742
2017-01-04 20:13:51 +00:00
2700acaacd
More changes to take advantage of the sqlite3VdbeAppendP4() method.
...
FossilOrigin-Name: 83bc5e40af9b20afeed008bf3e2669b7ac9e2dc8
2016-12-08 01:38:24 +00:00
f14b7fb73b
Add the sqlite3VdbeAppendP4() method for adding P4 content to the most recently
...
coded instruction.
FossilOrigin-Name: 28883e8f3e92a8015fb5f6c8ae8580833931543d
2016-12-07 21:35:55 +00:00
9057fc7c7f
Remove the OP_RowKey opcode. Use OP_RowData in its place.
...
FossilOrigin-Name: 6ac7b07a4aff2e1a9031289e3dafdb9ac0071c24
2016-11-25 19:32:32 +00:00
60ffc80756
Remove unnecessary OP_Close opcodes at the end of INSERT operations, resulting
...
in smaller and faster code.
FossilOrigin-Name: abeddb6d5a4040e1d0a87a4f32ad79794ba0842b
2016-11-21 21:33:46 +00:00
c10b9dac84
Fix harmless compiler warnings.
...
FossilOrigin-Name: b3b7b42d9a4a0e7e2be8b2933328a7bec2f49a81
2016-11-20 17:59:59 +00:00
c9b9deaee2
Make the VACUUM command about 9% faster by avoiding unnecessary calls
...
to sqlite3BtreeMovetoUnpacked() while copying rowid tables.
FossilOrigin-Name: 5ed0bd387699a0f3b477d4f3cfcb460a6a44cb84
2016-11-15 02:46:39 +00:00
2adb878b1f
Avoid unnecessary calls to sqlite3ExprCacheAffinityChange() when generating
...
OP_MakeRecord opcodes that do not change any register affinities.
FossilOrigin-Name: e211c579b2f092e3283edd5fb9add7c5183bac35
2016-11-14 15:28:56 +00:00
d95ef5cb5a
Remove obselete and unused logic in the update code generator.
...
Fix the sqlite3BtreeMovetoUnpacked() routine so that it remembers the
rowid of the row that it landed on.
FossilOrigin-Name: 1a587d72f981cb7064cfd8916a52a83ad9ba6074
2016-11-11 18:19:05 +00:00
c6c9e158c5
When doing a REPLACE on a WITHOUT ROWID table with no secondary indexes,
...
bypass the OP_NoConflict/OP_Delete sequence and directly overwrite any
preexisting row, for a performance increase.
FossilOrigin-Name: f7041cbb63b912f9ecad538804b6f2383efbec4e
2016-11-10 17:01:36 +00:00
bf2f5739c9
Remove C++ style comments. No code changes.
...
FossilOrigin-Name: 42f8aa6231bf4ed74bebdc85aa79d23dc20b3c14
2016-11-10 16:07:43 +00:00
2c4dfc3095
Add the unpacked key fields to OP_IdxInsert for INSERT and UPDATE statements.
...
FossilOrigin-Name: 67602e40f122cbb6354048a64c5d3a72b2855ec7
2016-11-10 14:24:04 +00:00
7405fa745e
Fix a simple comment typo. No changes to code.
...
FossilOrigin-Name: 51d0aed8d63d0710e4aa8925ff18cf3c45dc9e42
2016-11-09 16:03:36 +00:00
9b4eaebc68
Enhance the OP_IdxInsert opcode to optionally accept unpacked key material.
...
FossilOrigin-Name: 89d958abbac45f2ca5954080cd9e74ec9a07ebb2
2016-11-09 00:10:33 +00:00
3b908d41a0
Avoid superfluous cursor seeks in "INSERT OR REPLACE" statements.
...
FossilOrigin-Name: bec5b6d4d083556d111a89186b4f7b35b5e7cebf
2016-11-08 19:22:32 +00:00
1dd518cfcd
Make sure the sqlite_sequence table is updated when an optional xfer
...
optimization is used. Fix for ticket [7b3328086a5c1].
FossilOrigin-Name: 81e4d4f897553f6fee540a38c3e83ceac5ba9b78
2016-10-03 02:59:33 +00:00
a0daa751f8
Fix SQLITE_OMIT_AUTHORIZATION so that it compiles cleanly.
...
FossilOrigin-Name: a3e3b3e1c57178ccd38fc7375ec1de8e8ae45372
2016-09-16 11:53:10 +00:00
61441c3493
Fix a problem in internal function sqlite3OpenTableAndIndices causing an operand of an unrelated VM instruction to be overwritten. Fix for [ef360601].
...
FossilOrigin-Name: 7090147903337864d54ecfb2cd84a3f823973167
2016-08-26 12:00:50 +00:00
9ef5e7708a
Add the capability to VACUUM an attached database by specifying the schema
...
name as an argument to the VACUUM command. Since version 2.0, VACUUM has
accepted an argument which was silently ignored. Now it has meaning.
FossilOrigin-Name: 29d63059b4d2bb612523ac55ebfef040d054a64f
2016-08-19 14:20:56 +00:00
69c338263a
Rename the Db.zName field to Db.zDbSName to make it more descriptive and to
...
distinguish it from all of the other "zName" variables scattered throughout
the code.
FossilOrigin-Name: 92a22f01343a898455fd61c3b8e7d7c954f5b569
2016-08-18 14:33:11 +00:00
2606aca80f
Merge recent enhancements from trunk. Default page size is 4096. Writes
...
to statement journals are avoided.
FossilOrigin-Name: 456df3365e2df60e34762f2024bb551538b3f72b
2016-03-04 16:42:43 +00:00
94fa9c414a
Eliminate the need for the Column.zDflt (using Column.pDflt instead) to reduce
...
the amount of memory needed to hold the schema.
FossilOrigin-Name: d8c94a46dfa94930732c2de2aa79675c5087d36e
2016-02-27 21:16:04 +00:00
d8b7d6e44c
Merge the changes for the 3.11.0 release candidate from trunk.
...
FossilOrigin-Name: 4d7a802e73ef0352f840bc8d74c560afb7666ff7
2016-02-13 14:07:56 +00:00
05723a9e3c
Add testcase() macros to the CHECK constraint avoidance logic. Avoid creating
...
an unused VDBE label during CHECK constraint code generation.
FossilOrigin-Name: 970881befd5da6cc837c474d6e917de0bf029350
2016-02-10 19:10:50 +00:00
98bfa16db2
Fix to previous check-in: Make sure CHECK constraints involving the ROWID
...
are not ignored when the ROWID changes.
FossilOrigin-Name: 7782cb1dd5914b867caf5ff2f0f837407abbfd7a
2016-02-10 18:24:05 +00:00
2a0b527b37
Omit unnecessary CHECK constraints in UPDATE statements, when none of the
...
columns referenced in the CHECK constraint are modified.
FossilOrigin-Name: 02fbdbc782dd98f080bf4482d820f36c0ef3d519
2016-02-10 16:52:24 +00:00
bdb00225ab
Omit NOT NULL checks on unchanging columns in an UPDATE.
...
FossilOrigin-Name: 6a3aaedfb41735996470abbae6d3cd1be1f508b3
2016-02-10 16:03:20 +00:00
1a606f8246
Merge enhancements and fixes from trunk.
...
FossilOrigin-Name: f040a5bb62f3473fba6450c97c68f538d1df21ef
2016-02-09 15:44:18 +00:00
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
0ac7cfaf99
Merge enhancements from trunk.
...
FossilOrigin-Name: a533608cb0de3cbc1e28a794aab99864b8c249f4
2016-02-05 14:15:34 +00:00
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
4a642b6060
Improvements to the way that OOM errors are processed.
...
FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
2016-02-05 01:55:27 +00:00
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
33c1eb6477
Merge all recent enhancements from trunk.
...
FossilOrigin-Name: f3f9200115caf4b356f90ec97c351d1afbcb9bf6
2016-02-02 02:22:30 +00:00
b89aeb6aa2
Add assert() statements on the nExtraDelete variable in vdbe.c to try to verify
...
that the FORDELETE and IDXDELETE flags are being generated correctly. Those
flags are not currently generated correctly, and so the assert()s trip on this
check-in.
FossilOrigin-Name: dde1db0dd2e2cf04706117629756c352b178ebb8
2016-01-27 15:49:32 +00:00
20f272c96f
Merge recent enhancements from trunk.
...
FossilOrigin-Name: 327af5f644a49b2f41d5456958f9d61a2b704e1c
2016-01-20 11:33:37 +00:00
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
8de1d77c60
Merge the latest enhancements from trunk.
...
FossilOrigin-Name: c0be246a740c8f33a7c07e1414688364dee56ece
2016-01-01 13:25:06 +00:00
f19aa5fa6f
Changes to the way that the default BINARY collating sequence is recorded
...
result in a slightly smaller and slightly faster executable. More work could
be done to make this cleaner.
FossilOrigin-Name: 2081d75767dc590b4c8457e5f8e5f18ba5f8eaa7
2015-12-30 16:51:20 +00:00
0472af91ec
Simplification to the xfer-optimization logic.
...
FossilOrigin-Name: f35ba018da843897acca58f70541b940598bc271
2015-12-30 15:18:16 +00:00
dan