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19,432 Commits 1,608 Branches 185 Tags
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161 Commits

Author SHA1 Message Date
dan
9a94722d48 Fix problem with window functions min() and max() when used with a PARTITION 
clause and a frame starting point other than "UNBOUNDED PRECEDING".

FossilOrigin-Name: 43eb1e75a4d7ac0973ed8589bbaf379c24cdc8eacc4e613610d2d4c24d385dc1
 2018-06-14 19:06:36 +00:00
dan
86fb6e1738 Start of experimental implementation of SQL window functions. Does not yet 
work.

FossilOrigin-Name: 3781e520854808fe02ad3fe77dd11fc917448c58ff1fd79123289dd91937decd
 2018-05-16 20:58:07 +00:00
drh
b2c8559fad Avoid many unnecessary calls to sqlite3ReadSchema() and sqlite3Init() when 
the schema is known to be valid already.

FossilOrigin-Name: 58cf812fd81329e82b3fdd61b7ad2040c9b90d2d80f592b9231e0e1902c8d577
 2018-04-25 12:01:45 +00:00
drh
4751b87f19 Ensure that there are no bind-parameters or incorrect schema references in 
the UPSERT portions of an INSERT within a TRIGGER.

FossilOrigin-Name: d47a6bdda0ce967a7b70bc6eb56278c8b79525622381ff4adcf04525eafc1461
 2018-04-23 13:28:55 +00:00
drh
84fbff18d0 Prohibit bound parameters in the arguments to table-valued functions within 
a trigger.  Problem discovered by OSSFuzz.

FossilOrigin-Name: b7178209152452e82f5908513385018524472640d67547927d6b4c0aa0c15a46
 2018-04-11 16:04:01 +00:00
drh
9c6396ecc7 Improved documentation for sqlite3_serialize() and sqlite3_deserialize(). 
Change the name of the compile-time option to enable these interfaces
from SQLITE_ENABLE_MEMDB to SQLITE_ENABLE_DESERIALIZE.

FossilOrigin-Name: f07e97aed435b02e1473053c0257ec5c89bf0b3e46076b7a9382de432bbc2497
 2018-03-06 21:43:19 +00:00
drh
8784efaea9 Handle some boundary cases in memdb associated with OOM faults. 
FossilOrigin-Name: b58ca4cb0c921e81efad527c80b220be120263cfdb04528ae26ecf8b8f66f44a
 2018-03-06 20:54:27 +00:00
drh
2825e4ebb1 Merge the latest enhancements from trunk. 
FossilOrigin-Name: c8083de14b54fba1071385f8530d03d5684efd4963fde0f83ddc53ae3118a75b
 2018-03-01 13:44:40 +00:00
drh
3993678d3d Remove a superfluous "#if 1". No logic changes. 
FossilOrigin-Name: caaffd32001ff44c31f2d6dbe921f9d294f869c2c4a81e943fdf3f43f8d9313c
 2018-02-20 16:39:11 +00:00
drh
713f34ace9 Do not allow parameters or schema references inside of WITH clause of 
triggers and views.  This fixes a bug discovered by OSSFuzz and present
since common-table-expressions were first added in 2014-02-03.

FossilOrigin-Name: b918d4b4e546d3903ff20efc3c8ca26dd9761cc8ed9ef7d2799b66ff9ae1ae51
 2018-02-15 21:00:37 +00:00
drh
a5bb43518b New test cases and fixes for minor problems. 
FossilOrigin-Name: e0da2cc382e0db33d0423372133115f52c77bd0093dbf816c7e88a0aad5f6582
 2018-01-03 23:40:02 +00:00
drh
99abe5c478 Miscellaneous code and comment cleanup. 
FossilOrigin-Name: fa6069fb3b0a4411fd6661dec7de40ece3064a2fe4b94ebfbda9e5e524e04e86
 2018-01-03 22:48:38 +00:00
drh
3ec8665e22 Replace sqlite3_memdb_config() with sqlite3_deserialize(). Remove the 
"db memdb" command from the TCL interface, replacing it with "db serialize"
and "db deserialize".

FossilOrigin-Name: 2f6e9df9f0c5a9e5b1acb99cfa9486850cc1822d35b0989e779a7a10f3b1f1ac
 2018-01-03 19:03:31 +00:00
drh
8c0833fb21 In the parse tree, combine LIMIT and OFFSET into a single expression rooted 
on a TK_LIMIT node, for a small code size reduction and performance increase,
and a reduction in code complexity.

FossilOrigin-Name: 3925facd942c9df663f9b29b1e6f94f6be14af8c2b99eb691bfc836b4c220826
 2017-11-14 23:48:23 +00:00
drh
cf201488a5 Allow ATTACH and DETACH to occur inside of a transaction. 
FossilOrigin-Name: ac1fd6beb6c804af5faf1e06a51177a8316007ff9e718c398bd7a24d2ecc4ed3
 2017-07-26 18:26:44 +00:00
drh
ba87c6c2cd Minor refactoring change to clarify how ATTACH works. No functional changes. 
FossilOrigin-Name: 3944a32e1dd90ff903bcbaaa7cb497cebcfcb2ba2a326726ec2268505e524ae3
 2017-06-16 18:31:30 +00:00
drh
38eef32172 Avoid unnecessary calls to sqlite3BtreeEnterAll() and sqlite3BtreeLeaveAll() 
when no btree is using shared-cache.

FossilOrigin-Name: cfb3158204628eb2fd170090a7f212df0e4ce6c9
 2017-01-02 18:19:29 +00:00
drh
4360fcea6d Take care not to try to generate code for the ATTACH and DETACH commands 
if there were syntax errors during parsing.
Fix for ticket [2f1b168ab4d4844]

FossilOrigin-Name: b0ff183b8ffdbebece06cfea1c6781fc0e8e8547
 2016-11-11 03:37:24 +00:00
drh
209bc522b0 Add the EP_Leaf flag bit to the Expr.flags field to indicate Expr 
nodes that do not have substructure.  Use that bit to avoid unnecessary
recursion.

FossilOrigin-Name: 8a6ea455cd1bf42ae0a7f1f1789baf88d782db13
 2016-09-23 21:36:24 +00:00
drh
7152cc0641 If no KEY is specified on ATTACH, copy the main schema key if the key size 
is non-zero.  In other words, allow for -1 as a valid key size in support
of the --textkey to SEE.

FossilOrigin-Name: 03573887dbf357f8aa54e4a1cd03b82b0ded8139
 2016-09-16 19:42:47 +00:00
drh
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
drh
c2ae2073d9 Make the SQLITE_DEFAULT_SYNCHRONOUS and SQLITE_DEFAULT_WAL_SYNCHRONOUS 
values zero-based to agree with PRAGMA synchronous.

FossilOrigin-Name: 592d2104361500e5002783ba329a2609389c57b9
 2016-03-08 15:30:01 +00:00
drh
50a1a5aaca Add compile-time options SQLITE_DEFAULT_SYNCHRONOUS and 
SQLITE_DEFAULT_WAL_SYNCHRONOUS used to specify the default synchronous
settings for all database connections.

FossilOrigin-Name: 1fefa967aa93372d232b96b1e0232b7b855d6d00
 2016-03-08 14:40:11 +00:00
drh
6702f761ea Fix ATTACH to use the symbolic name PAGER_SYNCHRONOUS_FULL rather than 
an integer literal.

FossilOrigin-Name: c4e192a0e5a408e198dbacb2752859a00d2b572f
 2016-03-08 14:16:23 +00:00
drh
32c49904a6 Add the SQLITE_NOMEM_BKPT macro to enhance the ability to debug OOM errors. 
Only effective with compiling with SQLITE_DEBUG.

FossilOrigin-Name: 9b3454762d142113f5923d754ca6bd2edefbd362
 2016-02-15 18:15:15 +00:00
drh
80738d9c3e Improvements to the application-defined function mechanism so that it is 
more compact and runs faster, especially when the application defines
thousands of new SQL functions.

FossilOrigin-Name: 3201fbcc5105d23132e6b8b7ac825e66af4f8a39
 2016-02-15 00:34:16 +00:00
mistachkin
fad3039c51 Enhance ability to debug out-of-memory errors. 
FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28
 2016-02-13 23:43:46 +00:00
drh
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
drh
4a642b6060 Improvements to the way that OOM errors are processed. 
FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
 2016-02-05 01:55:27 +00:00
drh
6d258995e6 Refinements to synchronous logic: 
(1) Use PAGER_SYNCHRONOUS_FULL rather than the corresponding magic number.
(2) Honor SQLITE_NO_SYNC on xDelete calls with sync
(3) Count xDelete syncs during testing
(4) Fix #ifs on SQLITE_EXTRA_DURABLE so that directory syncs on journal
unlink are off by default.

FossilOrigin-Name: e3157cb5ad0d22758e766a95fb1463a7810f7d7f
 2016-02-04 09:48:12 +00:00
drh
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
drh
2d80151f32 Combine the xFunc and xStep pointers of the FuncDef object into a single 
pointer xSFunc.

FossilOrigin-Name: 0d1b3d7d3ca66cb0b97493f1aeade1703af3c9f4
 2016-01-14 22:19:58 +00:00
drh
9c7c913cd6 Cache the sqlite3_context structure in the P4 operand of VDBE programs 
for faster SQL function dispatch.

FossilOrigin-Name: 2abc44eb3b9d489321baa50bc25e17dafbda3687
 2015-06-26 18:16:52 +00:00
drh
97ab32bcd3 Remove unnecessary parser error count increments. Let the sqlite3ErrorMsg() 
take care of doing that.

FossilOrigin-Name: 3f3b0f683af2fbee83811536f6bef770ff919385
 2015-04-17 18:22:53 +00:00
drh
2647dfa292 On a DETACH statement, keep all schemas intact except fo the one that is 
being detached, and thus avoid unnecessary schema reparsing.

FossilOrigin-Name: 661db19b34566642dd44ee4cff4ebc093cb8a552
 2015-04-13 22:26:55 +00:00
drh
ad0961b31b Keep track of the optimal number of reserved bytes (by looking at reserve 
byte requests in calls to sqlite3BtreeSetPageSize()) and then change the
reserve byte count to the optimal when doing a VACUUM or when using the
backup API.

FossilOrigin-Name: 28c2b726285ea88b334acfd6390a057d2d244838
 2015-02-21 00:19:25 +00:00
drh
5942b01611 Make sure the Btree mutex is held when setting the locking mode and the 
secure delete flag when attaching a shared-cache database.

FossilOrigin-Name: 6bef7ede2bbf0a51729e1943b0b0c895cb57c718
 2014-12-12 00:40:58 +00:00
drh
a000ca681a All interfaces working and tested. 
FossilOrigin-Name: 96ea5c0b3cd1dec81d490f2f958ebd2e47a24921
 2014-09-11 15:25:02 +00:00
drh
32c6a48b5e Add support for the extra parameter on the sqlite3_set_authorizer() callback 
and support for failing an ATTACH with an authentication-required database
using bad credentials.  The extension is now feature complete, but much
testing and bug-fixing remains.

FossilOrigin-Name: 596e728b0eb19a34c888e33d4d37978ca2bf1e00
 2014-09-11 13:44:52 +00:00
drh
aed1819875 Allow any arbitrary expression as the filename in an ATTACH statement, 
including functions and subqueries.

FossilOrigin-Name: df70a1f30393b34146d6b8bf1df5a76aaf362efe
 2013-12-20 14:48:12 +00:00
drh
d100f6912d The sqlite3FixInit() routine cannot fail. So change the return type from "int" 
to "void".

FossilOrigin-Name: 500c5932fe3f5fcd0940522f7839d581c555e0eb
 2013-10-03 15:39:44 +00:00
dan
46539d7cfa Return an error if an attempt is made to create a trigger with an SQL variable embedded within it. If such a variable reference is found within a trigger definition loaded from the sqlite_master table, silently replace it with a NULL. 
FossilOrigin-Name: f35f6ae3da77dbdf5f7a4a9927475659fc6e0ca6
 2013-10-03 12:29:38 +00:00
drh
c5cd124900 Increase the number of bits available in Expr.flags. Other tweaks aimed at 
making expression processing more robust.

FossilOrigin-Name: 579a512538528cf4bb4381ba393c5d9e7310086b
 2013-09-12 16:50:49 +00:00
drh
d36e104112 Combine the FuncDef.iPrefEnc and FuncDef.flags fields into a single 
new FuncDef.funcFlags field.

FossilOrigin-Name: 97b10e66e98e84755aa577f8da017bf1aea2056c
 2013-09-06 13:10:12 +00:00
drh
feb56e0e17 Adjust #ifdefs to get SQLITE_OMIT_AUTOMATIC_INDEX and SQLITE_OMIT_PAGER_PRAGMAS 
to build.

FossilOrigin-Name: ed310201628cf79c0f57674ae7478ee6738b1c6e
 2013-08-23 17:33:46 +00:00
drh
d3605a4f20 The fullfsync, checkpoint_fullfsync, and cache_spill pragmas apply to all 
files of a database connection, including those opened by future ATTACH
statements.

FossilOrigin-Name: d07c4331a28d44deca1ece8a34118f5b121b3ee2
 2013-08-17 15:42:29 +00:00
mistachkin
48864df97d Many spelling fixes in comments. No changes to code. 
FossilOrigin-Name: 6f6e2d50941e444ebc83604daddcc034137a05b7
 2013-03-21 21:20:32 +00:00
drh
7f5febc729 Make sure memory is freed using a routine that is compatible with the 
routine used to allocate the memory.  The SQLITE_MEMDEBUG compile-time
option enforces this.

FossilOrigin-Name: 9f6c68856b694373b7ffb124abd996e519ba5921
 2012-12-05 14:31:13 +00:00
dan
41fb5cd103 Shared-cache mode fixes for views and virtual tables. 
FossilOrigin-Name: 2b370dea704b59262c604af0efcef5660b194454
 2012-10-04 19:33:00 +00:00
drh
81028a455d The former sqlite3ResetInternalSchema() routine was really two different 
routines, selected by parameter, each with a confused mission.  So split
this routine up into three separate smaller routines, calling each
separately as needed.  Hopefully this will make further refactoring and
schema reset collateral damage containment easier.

FossilOrigin-Name: aa0c3493d3647d7efe527067e9fcccefda8e3008
 2012-05-15 18:28:27 +00:00