051575cbf4
Do not use virtual (and hence redundant) WHERE-clause terms to restrict the
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content of a automatic partial index. Show when an automatic partial index
is used in the EXPLAIN QUERY PLAN output.
FossilOrigin-Name: b9ad601eab1d7298d369267eb697c7fa1bc16985
2014-10-25 12:28:25 +00:00
31f4e99d44
Ensure that the "Any prior cache entry associated with newKey is guaranteed not to be pinned" guarantee made to xRekey implementations is not violated.
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FossilOrigin-Name: ecc3544e712041736af7c7b4f34864a1f2e30ff7
2014-10-24 20:57:03 +00:00
059b2d50e1
Enhance the automatic index logic so that it creates a partial index when
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doing so gives the same answer for less work.
FossilOrigin-Name: d95d0313c447f5baeabdb17284d8606331ab7d49
2014-10-24 19:28:09 +00:00
23eba45d23
Fix some issues in the new code on this branch related to the handling of corrupt databases.
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FossilOrigin-Name: 19736dd9fbbb7e252c4f8715e2277d48ac41f5bc
2014-10-24 18:43:57 +00:00
e6593d8e8c
Fix some minor formatting and code organization issues.
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FossilOrigin-Name: eab8706dc47aa0a44caf73619de858397c3e0b4e
2014-10-24 16:40:49 +00:00
4dd96a8315
Honor a high likelihood() on range constraints.
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FossilOrigin-Name: 401235edf40fcd665eaf426cf5155ac6855e8537
2014-10-24 15:26:29 +00:00
9769efcc4c
Get the likelihood() functions working on operators like BETWEEN that
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create virtual terms in the WHERE-clause analysis.
FossilOrigin-Name: 03d0498d0f24bec2383d5d79edf25069effecd59
2014-10-24 14:32:21 +00:00
5a5d120bcc
Fix two problems. Tests now passing.
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FossilOrigin-Name: 1c220b806d56e163842e17038c3331f71861bd9c
2014-10-24 12:37:00 +00:00
9ca95730e3
Add the SQLITE_ENABLE_API_ARMOR compile-time option. This is a work in
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progress and is not yet completely functional.
FossilOrigin-Name: c297a84bc678f81ffc0aa9139ab73f0ca87c1971
2014-10-24 00:35:58 +00:00
4f81bbb528
Implement sqlite3_create_collation() by invoking
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sqlite3_create_collation_v2() with a NULL destructor argument. This saves
a little space.
FossilOrigin-Name: 9762ad0639cca2fc1ef0573113fb613ce9e7e83e
2014-10-23 01:01:26 +00:00
b7288e28e4
Disable the use of strchrnul() unless specifically enabled by compile-time
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options.
FossilOrigin-Name: e580470db77d6da970c755102790e603fb26b3c6
2014-10-22 20:07:19 +00:00
d7d7147022
Change the 0x800 bit of SQLITE_TESTCTRL_OPTIMIZATIONS so that it disables
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the loading of STAT3 and STAT4 content, not just the using of that content.
Change the internal name of that bit to SQLITE_Stat34.
FossilOrigin-Name: ca3b00c44ec52d209642a5ba9ef82e085fac39db
2014-10-22 19:57:16 +00:00
cc8490d2cd
Merge latest trunk with this branch.
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FossilOrigin-Name: 854a54c6c21e800b0cd999023014813f7c50b23f
2014-10-22 18:42:31 +00:00
08e06b0b21
Add tests to check error handling in OTA.
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FossilOrigin-Name: ec7321ae482a8c4d893851a5edd17d67ef1a448b
2014-10-22 15:33:12 +00:00
9f07cf7b2e
Take steps to avoid misestimating range query costs based on STAT4 data
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due to the roundoff error of converting from integers to LogEst and back
to integers.
FossilOrigin-Name: 3c933bf95f291f7957580d823dce92c981375a5c
2014-10-22 15:27:05 +00:00
9f0da72b09
Sync the database file in sqlite3_ckpt_close(), even if the checkpoint has not finished.
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FossilOrigin-Name: e2729d623c6e9d0b3049049f3f3051bbb479184f
2014-10-22 11:30:08 +00:00
442c5cd3cf
Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and
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when synchronous=FULL in order to ensure that transactions are durable
across a power loss that happens moments after the commit. Proposed
fix for [https://bugzilla.mozilla.org/show_bug.cgi?id=1072773 ].
FossilOrigin-Name: 3e922208b68563489c7766abb9afb4885113e7b8
2014-10-21 21:56:06 +00:00
d6446a0abe
Test that sqlite3ota_open() works with URI paths. Fix some other issues.
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FossilOrigin-Name: 6fd09854feb46739f42b7e7a5e76680d5f9b8c5a
2014-10-21 19:35:03 +00:00
f7f2e84a9c
Further tuning of the cost estimates for skip-scan loops, especially for cases
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when skip-scan loops are in competition with regular loops.
FossilOrigin-Name: a27861c28c4791e51d797aa37e9cca806cb58775
2014-10-21 18:16:21 +00:00
5e3fc6e99f
Add tests for another application writing the database while an ota update is ongoing.
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FossilOrigin-Name: 2402baa0027ca65e9a5106b8b9c4e10f40d2cbc3
2014-10-21 18:09:58 +00:00
1b131b7a7a
Improvements to the WHERETRACE debugging logic.
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FossilOrigin-Name: ec1e942f08548695ff02645b3f3cd6bb2516bc9a
2014-10-21 16:01:40 +00:00
c8bbce1e6a
If a skip-scan is a proper subset of some other scan, then adjust the
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cost of the skip-scan upward so that it is more costly than the other scan.
Such a cost imbalance can arise under STAT4 because of difficulties in getting
an accurate estimate for skip-scans.
FossilOrigin-Name: f4b22a2620a5dc48949048c2ecbd226755d4b2c3
2014-10-21 01:05:09 +00:00
ae0151c5a7
Merge version-3.8.7 changes with this branch.
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FossilOrigin-Name: d380a6482a46478ebdf97e08b2fcf78b5d126dde
2014-10-20 16:34:03 +00:00
d2f5ee20f0
Have the ota extension perform an incremental checkpoint after generating the wal file.
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FossilOrigin-Name: 0bf1301aacb3b717b4cc020fbda9fab0bae331c3
2014-10-20 16:24:23 +00:00
40253262e0
Fix a (probably harmless) but in the CSV output mode of the command-line
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shell.
FossilOrigin-Name: 19fe4a0a475bd94f491031aea7a183f7c0515cf3
2014-10-17 21:35:05 +00:00
bc2866ca7a
Merge all version 3.8.7 updates from trunk.
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FossilOrigin-Name: f4de9e07be3819db222317725e62ea997cd22a20
2014-10-17 11:53:22 +00:00
81b567a4c7
Version 3.8.7
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FossilOrigin-Name: e4ab094f8afce0817f4074e823fabe59fc29ebb4
2014-10-17 11:24:17 +00:00
7bdc9749d5
Work around MSVC not being able to deduce that a local variable was initialized in a called function.
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FossilOrigin-Name: 06c576c152c4013080c255cbbeb45bf2e298be9f
2014-10-16 21:39:17 +00:00
92c2e0da8f
Changes to work around Win32 and MSVCRT APIs that are not present on Windows CE 200x.
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FossilOrigin-Name: 1418c006e377d7915a50577d4ccb21125b750bae
2014-10-16 18:34:50 +00:00
facd5fd622
Update the vdbe-compress.tcl script to account for expressions of the form (123>var), where "var" should be replaced with a reference to a union member.
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FossilOrigin-Name: 640345d880c6178f8434e3ce40329b7527588843
2014-10-16 11:45:14 +00:00
abae0c4f1d
Fix a problem causing sqlite3changeset_concat() to fail to detect attempts to concatenate patchsets which changesets.
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FossilOrigin-Name: 236704a9d1551a50a55bd6e0b6473191a7a7dd21
2014-10-15 20:02:21 +00:00
f11b256b0b
Merge latest trunk changes with this branch.
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FossilOrigin-Name: 1b2824f1d11ac336779372e322aecfb36fb2a31d
2014-10-15 19:37:13 +00:00
5d510d4c41
Update releasetest.tcl so that x86-64 runs a superset of the x86 tests.
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FossilOrigin-Name: 3c1e70f4d55bc009ed9ed4cf6d756d7061985851
2014-10-15 15:28:27 +00:00
f41652419e
Fix a problem causing lock5.test to fail in mmap-mode.
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FossilOrigin-Name: b3e7b446bdb47cf9d7fe43dc37e3b4f8010ee09e
2014-10-15 14:45:34 +00:00
92787cf042
Add a four-byte prefix to the BtShared.pTmpSpace buffer to avoid reading
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before the beginning of an allocation.
FossilOrigin-Name: 9386bfca128023583a24303e5f1d832987a49d43
2014-10-15 11:55:51 +00:00
74439167cb
Rearrange an expression in vdbemem.c to avoid a (harmless) reference to a possibly unitialized variable.
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FossilOrigin-Name: 4a7b3fa049a9aa0668e318287edd4a78c0588bf8
2014-10-15 11:31:35 +00:00
5604cc0d3b
Make sure new sqlite3_vtab objects created by the xCreate() virtual table
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method are initialized by the system, in accordance with the documentation.
FossilOrigin-Name: eab82330631187dcc3e5d2dddd23dbda5752904b
2014-10-14 20:25:43 +00:00
8e9ba0c335
Fix some code duplication issues on this branch. Add minor optimizations to the new code.
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FossilOrigin-Name: 58d7793bd5d608ba9fc3a2cd44b9d9512e0332ba
2014-10-14 17:27:04 +00:00
92fe38ece5
Merge recent trunk micro-optimizations and the DESC index GROUP BY ORDER BY
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bug fix into the sessions branch.
FossilOrigin-Name: 83d4114f2aa404e670ced33511183baacd813a01
2014-10-14 13:41:32 +00:00
8dd8362d64
Optimize a database corruption test inside of the OP_Column opcode.
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FossilOrigin-Name: 005e5b388a8a97bca6d1f0e06c40d68d92aa1212
2014-10-13 23:39:02 +00:00
facf47a891
Use the padding word in the Mem object as temporary storage for
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serial_type value in OP_Record, and thus avoid a redundant computation of
the serial_type for each column.
FossilOrigin-Name: 4b3b65ee5ea61e9b9671ca027940bf02689cb890
2014-10-13 20:12:47 +00:00
d0b8f93b5f
Merge trunk changes into this branch.
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FossilOrigin-Name: d5b7c5a88dd58de85b3060a1f28b6d96e6e21207
2014-10-13 18:09:13 +00:00
d7b545bbcb
Further work on balance_nonroot().
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FossilOrigin-Name: 6594f9b420e2fa642737722ff8521f756ecef227
2014-10-13 18:03:27 +00:00
f526dcad29
Three small optimizations to vdbeaux.c.
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FossilOrigin-Name: 04892f8ba6c55cec4fe37bfe59b6349fd2a40698
2014-10-13 17:42:05 +00:00
c22284f4b3
Reduce the CPU load imposed by sqlit3VdbeCursorMoveto() by factoring out
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some of its functions and by avoiding unnecessary calls.
FossilOrigin-Name: c2799aece17d347c64217a0e407bb10e50c184a3
2014-10-13 16:02:20 +00:00
6cf4a7dfa6
Remove the OPFLAG_CLEARCACHE flag from OP_Column. In its place, change the
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P3 parameter of OP_SorterData to be the index of the pseudo-table cursor whose
record header cache is to be cleared. This gives a small size reduction
and performance increase.
FossilOrigin-Name: 20062f49428a2349a2dd705af570c60b499a3eef
2014-10-13 13:00:58 +00:00
b53a5a9e50
Remove the VdbeCursor.lastRowid cache of the current rowid, since maintaining
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the correct cache value uses more CPU cycles than just recomputing the rowid
on the occasions when it is actually needed. Replace it with the
VdbeCursor.aOffset field which used to be computed from VdbeCursor.aType
when needed. Saves 100 bytes of code space and runs 0.2% faster.
FossilOrigin-Name: 91384a7d727ef0f285cd430e829ba9f3852db50e
2014-10-12 22:37:22 +00:00
c81aa2e120
Performance optimization and very slight size reduction for OP_Column.
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FossilOrigin-Name: 869c30e45cc87063be423c650f16b99e8adb3df0
2014-10-11 23:31:52 +00:00
09c6840153
Attempt to further reduce memcpy() in balance_nonroot().
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FossilOrigin-Name: fec849dcca3aead2bc2d4ecffeda750684d32fb0
2014-10-11 20:00:24 +00:00
d6176c4131
Simplification to the insertCell() routine in btree.c, resulting in a
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performance boost and a very small size decrease. It turns out that the
extra work involved in sometimes avoiding an memcpy() of the first four bytes
of a record takes more time than just unconditionally copying those
four bytes.
FossilOrigin-Name: 66de15580d3c289601e67debfe1edee286f4db5f
2014-10-11 17:22:55 +00:00
drh