drh
be37c12423
Have the sqlite3VdbeSerialType() function go ahead and compute the serial
...
length as well, since it is always needed. This avoids unnecessary calls
to sqlite3VdbeSerialTypeLen().
FossilOrigin-Name: 2ad72be12477b0e8e33e56a9a17e29abbd283ec1
2015-10-16 14:54:17 +00:00
drh
faf3727904
Use a lookup table to compute the content length for serial types less
...
than 128, for a 1.2% performance improvement.
FossilOrigin-Name: 3395724814099d28829ef6875ca1ba77d6fe7ffa
2015-10-16 14:23:42 +00:00
drh
95fa606616
Simplify the OP_Column logic slightly. One very small performance
...
improvement added.
FossilOrigin-Name: 0114b45dc286c13db0d640f0486d8a5bef9ff078
2015-10-16 13:50:08 +00:00
drh
848a3326f7
OP_Column optimization: Do not check for an oversize row header unless the
...
row header size is larger than the content available on the local page.
FossilOrigin-Name: 8125b74cb46c372b9a319f6270f1c396767accd7
2015-10-16 12:53:47 +00:00
drh
c6ce388301
Performance optimization for the OP_Column opcode.
...
FossilOrigin-Name: 076be5474df628bbbfd2b645adba30e1e093acd0
2015-10-15 21:30:24 +00:00
drh
ce78bc6e7e
Enhance the use of the column cache for UPDATE statements, making them
...
more efficient for the case where a column is modified to be an expression
of other unmodified columns.
FossilOrigin-Name: 871e091df651b2275a672c35ff938bd4b6db0d7f
2015-10-15 19:21:51 +00:00
drh
fed7ac6f04
Add the OP_IntCopy opcode - an optimized version of OP_SCopy that only works
...
for integer values.
FossilOrigin-Name: 3a2f73a4924860fde8ee41ad646e7a02d29ad9d5
2015-10-15 18:04:59 +00:00
drh
9eef8c6934
Optimization to the out2Prerelease() helper routine in the VDBE engine.
...
FossilOrigin-Name: 79298fe8c42f64b6a6110a70b84033873ac0630d
2015-10-15 17:31:41 +00:00
drh
59a052359d
Remove a superfluous conditional from the memory allocation initialization.
...
FossilOrigin-Name: 9ccf8f8d35723f2a9b59010b6d5f37a14164a188
2015-10-15 17:21:35 +00:00
drh
039ca6ab59
Performance optimizations to the sqlite3MallocSize() by requiring the
...
argument to always be non-NULL.
FossilOrigin-Name: cb65989b0710c65e4df69063b346344fdb1d12c7
2015-10-15 16:20:57 +00:00
drh
b02392e6f0
Change sqlite3StatusSet() into sqlite3StatusHighwater() so that only the
...
highwater mark is recorded. This gives a small size reduction and
performance improvement.
FossilOrigin-Name: 6422d223dd10018703c6b083d29a3c35c837fc97
2015-10-15 15:28:56 +00:00
mistachkin
cdabd7bd50
Fix harmless compiler warnings.
...
FossilOrigin-Name: 1c46c194a2da24fe613d77b5a8d727cc2fc9faa4
2015-10-14 20:34:57 +00:00
drh
58a8a9236e
Change all references to 3.8.12 into 3.9.0. Comment changes only - no
...
changes to code.
FossilOrigin-Name: 6f2858f6817ca70c132f0437ac2f0f74deb273d2
2015-10-12 04:56:12 +00:00
drh
bfad7be78a
Detect and report circularly defined views even if the views have the
...
columns defined in the CREATE VIEW statement.
FossilOrigin-Name: 9ab9c8c6d747647f8ade58c2c4812fc69a813368
2015-10-11 20:39:46 +00:00
drh
2906490b71
Remove an unreachable branch in the query flattener substitution logic.
...
FossilOrigin-Name: 46ee3453a31b5e793d5aaad471cec1b1a11ab2cf
2015-10-11 20:08:31 +00:00
drh
d12b636330
Improved substitution logic in the query flattener. Saves code space, and
...
(more importantly) works correctly with table-valued functions.
FossilOrigin-Name: 3d0bd95e977db50c314d33ec292f99e0539d7b4a
2015-10-11 19:46:59 +00:00
drh
48310f8c51
Work around a "security feature" bug in memcpy() on OpenBSD.
...
FossilOrigin-Name: fab6f09044d033dd09ed8a22e06bc6a7851bbabf
2015-10-10 16:41:28 +00:00
drh
728e0f91bb
Compiler warning fixes: Rename some local variables from "j1" to avoid a
...
name collision with the j1() bessel function in the math library. Omit a
dummy initializer that gcc 4.6.3 does not like.
FossilOrigin-Name: 9ddef84d432813f3ece8012047d08441caa3315d
2015-10-10 14:41:28 +00:00
dan
0008ce7cc5
Makefile and fts5 changes so that fts5 works with main.mk. Still does not work with Makefile.in.
...
FossilOrigin-Name: 6ebac32d8378e46f44a6eb55aaa30baf4d7dde7d
2015-10-09 11:09:47 +00:00
drh
c306e08ad5
Json1 tests are working. Builds without FTS5 enabled. Still some problems
...
building with FTS5.
FossilOrigin-Name: 2928f8e87d2e5d121e6e7e5993cbb773bb2b0603
2015-10-08 23:37:00 +00:00
dan
056d7acf25
Fix a couple of errors in fts5 compilation. This branch still does not build with -Wall -Werror.
...
FossilOrigin-Name: e9e76e12812b9b42b1142246b71cea98e26903aa
2015-10-08 20:11:42 +00:00
drh
50065656f7
First attempt to add json1 and fts5 to the amalgamation. This check-in does
...
not compile.
FossilOrigin-Name: d820a1bd1b8dd702d1b3a099af393530cc5a5d51
2015-10-08 19:29:18 +00:00
drh
d7fd6aa4ba
Remove two unused lines of code - discovered by scan-build.
...
FossilOrigin-Name: 77b707b77496a08703fe9405e8e4521a4e5b419e
2015-10-08 02:44:42 +00:00
mistachkin
91a3ecb0ad
Fix typo in comments. No changes to code.
...
FossilOrigin-Name: a05f903c64edeba8a9748aad68f5981943e68b3c
2015-10-06 21:49:55 +00:00
drh
8b0cf38a12
Simplifications to the VDBE bytecode that handles LIMIT and OFFSET.
...
FossilOrigin-Name: 041df7c2f14b95868a08090354ebb3308050790e
2015-10-06 21:07:06 +00:00
drh
9f1ef45f6a
Fix the LIMIT and OFFSET handling for UNION ALL queries that contain a
...
subquery with ORDER BY on the right-hand side. Fix for ticket
[b65cb2c8d91f668584].
FossilOrigin-Name: 4b631364354068af95a01630469cb6fbfe8b52fd
2015-10-06 17:27:18 +00:00
mistachkin
8d9837acd5
Adjustments to sqlite3MemoryBarrier() when compiling with MSVC and/or WinCE.
...
FossilOrigin-Name: 3168326ebfa1c961d8fc6435453b02be23d910cc
2015-10-06 01:44:53 +00:00
drh
9b5351d439
Fix an assert() in btree.c that is only true for non-corrupt databases.
...
FossilOrigin-Name: 29f7227ff127202c53fe7c3b6558b3c101b0a7bc
2015-09-30 14:19:08 +00:00
dan
e755e10a78
Clear the BTCF_ValidNKey flag when putting a cursor into REQUIRESEEK state. Fix for [1b266395].
...
FossilOrigin-Name: a6d5e4e8693bea3739c35fe9769ac9abfb9ed056
2015-09-30 12:59:12 +00:00
dan
d95bb39c52
Improve error handling in shell command ".tables".
...
FossilOrigin-Name: 31a91ee7d32af8580a170903eb857ed9222fdb0a
2015-09-30 11:19:05 +00:00
drh
4b92f98ccc
Use symbolic names XN_ROWID and XN_EXPR in place of the (-1) and (-2)
...
magic numbers in Index.aiColumn[]. Add asserts to help verify that
Index.aiColumn[] is always used correctly. Fix one place in FK processing
where Index.aiColumn[] was not being used correctly.
FossilOrigin-Name: 7d272aa62cd4cbbf4b5d04e3b918de27671e8301
2015-09-29 17:20:14 +00:00
dan
e60856980a
Add the sqlite3_index_info.idxFlags field, allowing xBestIndex() implementations to specify to SQLite that a strategy may visit at most one row. Add support for this to fts3/4. Omit the statement journal from virtual table UPDATE and DELETE operations that are guaranteed not to affect more than one row.
...
FossilOrigin-Name: a1d08fd3d0419da8c22355d48c6d83eed6fd7e07
2015-09-29 16:47:53 +00:00
dan
65c4f591be
Ensure that the xSavepoint() virtual table method is correctly invoked if there are already open savepoints (or statement transactions) the first time a virtual table is written within a transaction.
...
FossilOrigin-Name: 77948b5eceab92a77c39d0864ac15ad453a76fd7
2015-09-29 16:41:23 +00:00
drh
e2b7d7a0a1
Remove dead code, replacing with assert() statements that make sure the
...
code really was dead.
FossilOrigin-Name: 0e317dda5dfd35b742afd70dacb5bfb39aa3fc4a
2015-09-29 15:50:04 +00:00
drh
c149f18f4d
Create the sqlite3IsToplevel(Parse*) interface to check to see if a top-level
...
VDBE is being coded (versus a trigger) and use that interface.
FossilOrigin-Name: 59662cd2b65255a30e1a420331c07c51b644621a
2015-09-29 13:25:15 +00:00
drh
94f26a1e22
Fix compiler warnings.
...
FossilOrigin-Name: d1a0783854d2e9272320d9ddfa58362532f58d1a
2015-09-29 12:32:56 +00:00
dan
91742c45a9
Merge latest trunk change into this branch.
...
FossilOrigin-Name: b519c0d67a8fc39d65c17eccc9300a6187bd5661
2015-09-29 11:59:25 +00:00
dan
b3deb4ea64
Change the name of the new sqlite3_index_info.flags field to "idxFlags". Add documentation for the same to sqlite.h.in.
...
FossilOrigin-Name: f61203bc0fb0b62e12d6270e8d9063e445a5a252
2015-09-29 11:57:20 +00:00
dan
354474ad6d
Add tests for fts3 and onepass update/delete operations. Also fix a problem with onepass updates that do not affect any rows.
...
FossilOrigin-Name: 820c804468abff692742952de670c5d906a50956
2015-09-29 10:11:26 +00:00
dan
0f40037eee
Also allow UPDATE on virtual tables to use the onepass strategy.
...
FossilOrigin-Name: 1aa27d706db9b2e21737ce4b94b47ecd12c2570f
2015-09-28 20:03:49 +00:00
drh
a722821eb5
Extra information provided by .wheretrace on input flags to the query planner
...
and on the result of sqlite3WhereOkOnePass().
FossilOrigin-Name: c5566bb39c8d9b58f77380b81a873429575c7d5c
2015-09-28 17:05:22 +00:00
dan
076e0f9674
Changes to allow DELETE operations on virtual tables to use the onepass strategy under some circumstances.
...
FossilOrigin-Name: e73f919fae1833c6ffb36eddbc76d9a8d9324214
2015-09-28 15:20:58 +00:00
drh
63c85a7a66
Fix a database corruption bug caused by the ONEPASS optimization added
...
in check-in [8b93cc5937000535]. Bug detected (prior to release) by
[https://www.sqlite.org/sqllogictest |sqllogictest]. Test cases to follow.
FossilOrigin-Name: 9d057f52217e7ef9c3f3eb84117abe3365503f44
2015-09-28 14:40:20 +00:00
drh
2f20e13b83
Enable adding JSON1 by appending the json1.c source file to the amalgamation
...
and compiling with -DSQLITE_ENABLE_JSON1
FossilOrigin-Name: 33404b2029120d4aabe1e25d484871810777e934
2015-09-26 17:44:59 +00:00
drh
32498f1321
Fix a memory leak that can occur following a syntax error in CREATE VIEW.
...
FossilOrigin-Name: f4704035a6134f702c00110358e36f1579e2ea78
2015-09-26 11:15:44 +00:00
drh
c4cdb29a0e
Fix the title of the documentation on sqlite3_value_subtype(). This is a
...
comment change only.
FossilOrigin-Name: b79023542458f7e839469c5e313694f1e4cf223a
2015-09-26 03:31:47 +00:00
drh
539482b76a
Expand the header comment to clarify the purpose for the
...
sqlite3MemoryBarrier() function.
FossilOrigin-Name: b89495ae09aa0e9652475b2ba1943dfd87c73e07
2015-09-26 03:23:29 +00:00
drh
17db155fed
Remove an assert in the windows worker-thread logic that can fail in a race
...
condition.
FossilOrigin-Name: d7bfb96092a6b812af194f32b22283a0f6a7da96
2015-09-26 01:28:46 +00:00
drh
2ea31b1286
Fix threads.c so that setting sqlite3FaultSim(200) using the
...
SQLITE_TESTCTRL_FAULT_INSTALL callback causes both unix and windows worker
threads to be sequential and deterministic, so that they can be tested
reliably.
FossilOrigin-Name: 2d867c054d6d3e1e841ba9ca524e986bc6993ac3
2015-09-25 23:40:01 +00:00
drh
68391acd5f
Fix PRAGMA integrity_check so that it works with a UNIQUE index over
...
expressions.
FossilOrigin-Name: 113181cec4db418b07640d6b1967923992efd71a
2015-09-25 20:49:16 +00:00
