edaeba5e64
Avoid clearing the EP_FromJoin flag from terms in ON clauses when flattening
...
sub-selects. Possible fix for [2df0107b].
FossilOrigin-Name: a427c4052820d90c3c8c23abf9097f973e564010
2016-12-01 19:58:01 +00:00
92ddb3bd02
Avoid clearing the EP_FromJoin flag from terms in ON clauses when flattening
...
sub-selects. Possible fix for [2df0107b].
FossilOrigin-Name: 8bed4cd549759a93c4a087d8d8c08c0068ba8d59
2016-12-01 19:38:05 +00:00
698a01ca2f
Faster version of patternCompare() that uses new return values rather than
...
an extra parameter to communicate wildcard information back up to parent
searches.
FossilOrigin-Name: a1e2b6ce3af690ae91bda3d056357205c4018da7
2016-12-01 18:49:40 +00:00
1a4a73764c
Modify the patternCompare() function (used for GLOB, LIKE) to better handle
...
patterns containing multiple wildcard characters ("*", "%").
FossilOrigin-Name: c5e5614d98a752738c081fecdd1e349a1a92b0e5
2016-12-01 17:34:59 +00:00
c9c81dc6d7
Add the remember(V,PTR) extension function which copies an SQL value into
...
an application variable.
FossilOrigin-Name: d2d30914d81022d7d4e1670caf9326524520deaf
2016-11-30 16:54:52 +00:00
77320ea48d
Fix then handling of the (oversized) integer literal -0x8000000000000000.
...
FossilOrigin-Name: 3816bb415ecfd4f36430d0fcbc878e382975de60
2016-11-30 14:47:37 +00:00
ab5be2e651
Change the OP_DecrJumpZero opcode back to its old behavior of always
...
decrementing, except top the decrementing when it reaches the largest negative
number.
FossilOrigin-Name: 9d0d8c2e7c529562889de02346733dcb532e9388
2016-11-30 05:08:59 +00:00
b5489b88b0
More improvements to boundary cases in the date/time functions, flowing out
...
of branch coverage testing.
FossilOrigin-Name: 1218005ab7b52ef45db1354d17fdd8a1a1af9854
2016-11-30 04:07:57 +00:00
64777ba834
Prevent a warning about integer overflow when using a very large negative
...
LIMIT.
FossilOrigin-Name: 96106d5620eae51474234f4eec1d2c5bd570d486
2016-11-30 01:05:41 +00:00
d76a902c87
Further changes to the date/time functions to suppress harmless signed
...
integer overflow warnings that could have occurred when doing out-of-range
date calculations which, according to the docs, give undefined results.
FossilOrigin-Name: dc453b3403450b1d8cc53daf0721fed025b9053c
2016-11-30 00:48:28 +00:00
3edb157e23
The documentation says that the built-in date-time functions give undefined
...
results for dates before 0000-01-01 and after 9999-12-31. Change the
actually implementation so that the answer given is really NULL. This also
avoids unnecessary hand-wringing over an signed integer overflow that might
otherwise occur when processing out-of-bound dates.
FossilOrigin-Name: d410a839752153c6d8be08f758abfbc16475745a
2016-11-29 20:39:48 +00:00
bc60368d6f
Fix broken hyperlinks to the sqlite3_snapshot objection definition
...
in the documentation. No changes to code.
FossilOrigin-Name: 9021f6875f897d8b609ebcc04162dc6e0b529a4a
2016-11-28 21:22:26 +00:00
dd5fa17d3c
Add the sqlite3_snapshot_recover() interface and related functionality.
...
FossilOrigin-Name: b70c85ce6d07b08e13f4ea99edb8f4855a6d7580
2016-11-26 19:44:40 +00:00
6412a4c8a5
Clarification of the behavior of sqlite3_stmt_readonly() on BEGIN IMMEDIATE
...
statements. The is comment changes only - no changes to code.
FossilOrigin-Name: a4205a83e4ed977a89ecae665604993711f7dd3f
2016-11-25 20:20:40 +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
cb3cabd01b
Refactor the sqlite3BtreeKey() and sqlite3BtreeData() internal interfaces
...
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
06a09a828a
Small performance increase and size reduction in the OP_Column opcode.
...
FossilOrigin-Name: a9498407e646305e7b60115d63e85c642bbd1c3f
2016-11-25 17:03:03 +00:00
e9bb566096
Performance enhancement to sqlite3_snprintf().
...
FossilOrigin-Name: c53dca7fadd81ea340fef776373cbb122c9ccd46
2016-11-25 15:47:53 +00:00
043e586e29
Performance improvement in sqlite3StrAccumFinish() for the common case where
...
no memory allocation is required.
FossilOrigin-Name: b6acf5d4ef016326a079463e70e71c2fc95a352d
2016-11-25 15:11:26 +00:00
36fd41e52b
Add a comment to help clarify the EP_FromJoin hack in exprCodeBetween().
...
FossilOrigin-Name: 6df7c5747e0247b14bf015ef4320ddcf6fccf694
2016-11-25 14:30:42 +00:00
36f49d0565
Fix the error message for invalid ".mode" arguments in the command-line shell,
...
so that it mentions the new "quote" mode.
FossilOrigin-Name: 9a603a18ef626b7d7a24b82eb961d6d8b4926195
2016-11-23 23:18:45 +00:00
4b72524072
Code constant vector components outside of any loops in CASE and BETWEEN
...
expressions. Fix for [1a684656].
FossilOrigin-Name: c08aff13ead3e6a8b92c0f031b08f7e556922e70
2016-11-23 19:31:18 +00:00
30642cf4d2
Correctly display the names of SQL functions in the VDBE_PROFILE output.
...
FossilOrigin-Name: 161192f17273f32f1b3b82d41135aaca047e9a83
2016-11-23 14:19:11 +00:00
4b4ffadb43
Merge bug fixes and enhancements from trunk.
...
FossilOrigin-Name: e2c4bdf54fc1b9605226c7d6c79ef4f8302d6213
2016-11-22 22:23:56 +00:00
bc88711d08
Enclose the sqlite3WalSnapshotRecover() routine within
...
FossilOrigin-Name: e7be3183eb25e0f9f04b9e251ff37fa5e50cc1a7
2016-11-22 21:11:59 +00:00
65f38d960d
Remove unnecessary OP_Close opcodes for a size reduction and performance
...
increase.
FossilOrigin-Name: 32be7aae92ee48bf2cd260ea41e79c2bc62738f9
2016-11-22 01:26:42 +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
0f85b2ff09
Prevent a possible use-after-free bug in the query optimizer.
...
FossilOrigin-Name: 0a98c8d76ac86412d5eb68de994658c250989349
2016-11-20 12:00:27 +00:00
93f5113290
Remove the requirement to open the wal file before sqlite3_snapshot_recover()
...
is called. Also add some comments to new functions.
FossilOrigin-Name: 28393c413cc4505b94411730e728583c5d4baaae
2016-11-19 18:31:37 +00:00
6a9e7f16eb
Fix a problem causing sqlite3_snapshot_recover() to return
...
SQLITE_IOERR_SHORT_READ.
FossilOrigin-Name: 525f75fa9fd4a95acc3fb3b0a01dabe2be39b383
2016-11-19 16:35:53 +00:00
5b4009f637
Fix a bug in sqlite3_snapshot_recover() that could cause subsequent read
...
transactions to use out-of-data cache entries.
FossilOrigin-Name: 9abeb7980a34cec11a3420e14ad98a4ec0d9c599
2016-11-19 14:53:22 +00:00
1158498dce
Add experimental sqlite3_snapshot_recover() API.
...
FossilOrigin-Name: 174a6076a8d7bebe5efebf55f3fdc5d87c589cc7
2016-11-18 20:49:43 +00:00
edace5d4f1
Require that the database handle be in autocommit mode for
...
sqlite3_snapshot_get() to succeed. This is because it may open a read
transaction on the database file.
FossilOrigin-Name: 83b658dad091211ade3594d1e8d00ce525882506
2016-11-18 18:43:39 +00:00
25accbca72
Enhance existing snapshot tests to serialize/deserialize snapshots. No new
...
tests.
FossilOrigin-Name: 16b9bf92741e4c62874cffd7c6a61763c5054c7a
2016-11-18 14:38:41 +00:00
54cda4edbe
Disable the query flattener optimization for SELECT statements that are on
...
the RHS of vector IN operators. This is a hack that fixes the bug
described in ticket [da7841375186386c]. A better solution that does not
disable the query flattener is needed, but this will server for the time
being.
FossilOrigin-Name: 005d5b870625d175fdf3c0e87d974006c569d9e1
2016-11-17 13:13:25 +00:00
ba6eb8769f
Experimental changes toward making snapshots serializable.
...
FossilOrigin-Name: b6a81fa1fc1fb78a65894129851a4ec3986640de
2016-11-15 17:37:56 +00:00
d6ef5afe3f
Change the OP_Last opcode so that it is a no-op if the cursor is already
...
pointing at the end of the b-tree.
FossilOrigin-Name: 663473850c4274270445b3771911fa773a8c405f
2016-11-15 04:00:24 +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
588429a87d
Fix a potential use-after-free error during parsing of malformed
...
CREATE TABLE statement.
FossilOrigin-Name: c5dbc599b910c02a961675b12b273b8df6d29450
2016-11-14 20:08:00 +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
48c286fc61
Fix harmless compiler warnings in test code for MSVC.
...
FossilOrigin-Name: 7b76be4117f4e57091b03fafcf42d17bce81160d
2016-11-11 20:37:27 +00:00
66adb0a848
Avoid storing redundant fields in sorter records when the sort-key
...
and data have fields in common.
FossilOrigin-Name: b835cf3e507b910b6a3e0f802ce2c40a72d0c227
2016-11-11 19:08:00 +00:00
04cd7aa373
Merge trunk with this branch.
...
FossilOrigin-Name: dd62d2de6eb12dc1902d6df050c395b1dcac01b4
2016-11-11 18:45:55 +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
9af90b7231
Reenable the SQLITE_EXPR_REF optimization for "SELECT DISTINCT ... ORDER BY"
...
queries.
FossilOrigin-Name: 6e2e9d383f5fc4a0cbf05fe83ec7425812c0f556
2016-11-11 18:08:59 +00:00
79297d1d59
Merge enhancements and bug-fixes from trunk.
...
FossilOrigin-Name: 5515b827dc1805a3010018cd6abf222b03525d24
2016-11-11 17:52:57 +00:00
4a5bad572a
Fix a problem with switching from wal to rollback mode when
...
SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE is configured.
FossilOrigin-Name: 46e0016207b8e7df2ae6c7491fd0f3c2926eed21
2016-11-11 17:08:51 +00:00
3bafdede8a
Handle some obscure "row value misused" cases that could cause segfaults or
...
assertion failures.
FossilOrigin-Name: fba5fddb1c40af75634b01c1f06d2610df697e01
2016-11-11 15:49:01 +00:00
4e8142c726
Back out the "--raw" option on ".read" in the command-line shell. Instead,
...
fix the command-line shell so that if EOF is reached without seeing a
final semicolon, it goes ahead and passes the accumulated SQL text to
SQLite.
FossilOrigin-Name: f98c8ac8c485098f163400d3a92d6afb4008adbe
2016-11-11 14:54:22 +00:00
dan