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25,089 Commits 1,608 Branches 185 Tags
c7c5b8a508a2f941b00d43f5f1aa413e7cc1b171
Commit Graph

2491 Commits

Author SHA1 Message Date
drh
cdf011dcc4 Additional schema mutex checks for sqlite3RootPageMoved(). 
Reduce the scope of sqlite3ResetInternalSchema() in a few places.

FossilOrigin-Name: 39c00907833413c0d97d3e06fdda967b825d23ea
 2011-04-04 21:25:28 +00:00
drh
9bbc2e283e Minor comment typo corrections. Simplify an assert. No functional changes. 
FossilOrigin-Name: 82c2316240345167a571507d9392dfb6445ef523
 2011-04-04 20:40:22 +00:00
drh
2120608e0f Add a description of access rules for the Schema object and lots of asserts 
to verify that the access rules are followed.

FossilOrigin-Name: ae8374af057b6e6546e9265148cfffe32fcb0849
 2011-04-04 18:22:02 +00:00
drh
b6ee66072e Rename sqlite3SchemaFree() to sqlite3SchemaClear() to more accurately reflect 
its function.

FossilOrigin-Name: 71d7440023f67760d0bff4bd7459fe88bd226f30
 2011-04-04 13:40:53 +00:00
drh
b92fce1eae Merge the latest changes of trunk into the session branch. 
FossilOrigin-Name: 95d53c44320b9639f2623aa9cc88d0d3e1a3be8f
 2011-04-04 13:19:36 +00:00
drh
6412358526 Change the name of the "tAttachMask" datatype to "yDbMask". 
FossilOrigin-Name: 3d6f2e82358c0d8c0ca04e0da20b84fc65c3f7fa
 2011-04-02 20:01:02 +00:00
drh
9b1c62d416 Add the SQLITE_ENABLE_PREUPDATE_HOOK compile-time option. 
FossilOrigin-Name: 6634521461e6acff7cc778590e62d57831f9230d
 2011-03-30 21:04:43 +00:00
drh
d6ee353c84 If the keyword "unordered" appears at the end of the SQLITE_STAT1.STAT 
column for an index, then use that index for equality lookups only, never
for range queries or sorting.

FossilOrigin-Name: 3b964155f611c437d53d44feafa22f531942b1b4
 2011-03-29 15:00:17 +00:00
drh
9a48bf528d Merge in all the latest changes from the trunk, and especially the interface 
changes to the SystemCall methods of the VFS.

FossilOrigin-Name: 9c3a6e479988e96086bef00c79dbce508a14da0d
 2011-03-23 22:48:46 +00:00
drh
01c7dc887c Increase the upper bound on SQLITE_MAX_ATTACHED from 30 to 62. 
FossilOrigin-Name: 7aaf8772274422f5020fad9eea490e195170720f
 2011-03-23 18:22:34 +00:00
drh
8cc9c1aa15 Merge in the sqlite3_db_config() enhancements for enabling and disabling 
FKs and triggers from trunk.

FossilOrigin-Name: 2b3c8b9d9aa909f64a29ed8167de24c328c50d85
 2011-03-21 17:17:49 +00:00
drh
e83cafd2f0 Add the ability to enable and disable foreign key constraints and triggers 
using calls to sqlite3_db_config().

FossilOrigin-Name: 09e167f9c14625924b17bbb1f292f89ac9ddc93a
 2011-03-21 17:15:58 +00:00
drh
516ae18005 Merge the fix to ticket [f7b4edece25c99485] into the sessions branch. 
FossilOrigin-Name: 1b736ac2934f2361dee5062e9033cbf26b41fc3a
 2011-03-19 02:37:38 +00:00
drh
c2a75551ef Add a generation counter to the Schema object and enhance OP_VerifySchema 
to also check the Schema generation.  Fix for
ticket [f7b4edece25c99].

FossilOrigin-Name: 36c04dd1695f0899b53ce58738181b146fc005ed
 2011-03-18 21:55:46 +00:00
drh
304637c026 Fixes for compiler warnings. Minor code cleanup. 
FossilOrigin-Name: 9604d13001e0a195718c7f03fc0e73e352226caa
 2011-03-18 16:47:27 +00:00
drh
0639c34ecd Merge all the latest trunk enhancements into the sessions branch. 
FossilOrigin-Name: 94fd5bb6da5ef4d850c2ed4ad38afabc5569dae6
 2011-03-18 12:35:36 +00:00
dan
6566ebe1b6 Remove the sqlite3_transaction_hook() API. 
FossilOrigin-Name: b0015a1cfe63c924ee5f250aa08460522882009b
 2011-03-16 09:49:14 +00:00
drh
d50ffc416f Fix additional cases of possible signed integer overflow, especially with 
regard to negation.

FossilOrigin-Name: 2d5800bd8cfc7d7f5578a71b1aeaa74b2ec4b372
 2011-03-08 02:38:28 +00:00
drh
158b9cb965 Fix all known instances of signed-integer overflow. Within SQL expressions, 
integer overflow now forces coercion to floating point.  The shift operators
work with any integer right-hand operand with negative values reversing
the direction of the shift.

FossilOrigin-Name: abf21394124a0af46f072793718964cee2ce55d0
 2011-03-05 20:59:46 +00:00
dan
21e8d0126d Add the experimental sqlite3_transaction_hook() API. 
FossilOrigin-Name: 093d8cd8e2f3a6af5d40cf810e396f4919eb5cef
 2011-03-03 20:05:59 +00:00
dan
46c47d4677 Add the experimental sqlite3_preupdate_hook() API. 
FossilOrigin-Name: 6145d7b89f83500318713779c60f79a7ab2098ba
 2011-03-01 18:42:07 +00:00
drh
87fa53ee8d Merge in the blocking-checkpoint enhancement, including the new 
sqlite3_wal_checkpoint_v2() interface and the
PRAGMA wal_checkpoint(full) statement.

FossilOrigin-Name: bac7342c368a7c4f5f2878e08d9581dcbf57dd58
 2011-02-02 16:34:08 +00:00
dan
27381bd519 Modify the trace callback mechanism so that SQL commands executed from within virtual table or user function callbacks are passed to the trace callback without parameter expansion and enclosed in SQL comments. 
FossilOrigin-Name: a764915b87564fa91ee68e9b1f41394ce0f1fc7e
 2011-01-22 13:32:29 +00:00
drh
0b12e7f860 Add additional DBSTATUS options for measuring the hit and miss rates against 
the lookaside memory pool - information useful in tuning the lookaside size.
Currently experimental pending analysis of performance impact.

FossilOrigin-Name: 34613f1dc54c638531ca2f5907b71fbe8841233e
 2010-12-20 15:51:58 +00:00
drh
f58ee7f1aa Add the ability to disable constant factoring using sqlite3_test_control(). 
Add a TCL interface to this new capability and add tests cases to the TCL
test scripts to actually use the new capability.

FossilOrigin-Name: ad8bc68197f2b47435149c3dbc035f4e7210fc76
 2010-12-06 21:06:09 +00:00
dan
ce7e189d24 Change the type of a variable in struct SrcList so that it fits in a 100 byte lookaside buffer on a 64-bit architecture. 
FossilOrigin-Name: 7df43f4892e628ecb8a83c5ed2dce5e24f6dd529
 2010-12-01 19:00:48 +00:00
drh
60ac3f426c Fix the max_page_count pragma so that it will not set to a value smaller 
than the current database size, as the documentation requires.  Also,
remove all occurances of atoi() from the core.

FossilOrigin-Name: 2031974b606ef713b5f34522b2221470d98687c5
 2010-11-23 18:59:27 +00:00
drh
27f9aba18c Merge the checkpoint_fullfsync pragma and the superlock demonstration into 
the checkpoint-v2 experimental branch.

FossilOrigin-Name: ebf74015f09fe241c1c6902dc8954f2b59ab41ec
 2010-11-19 18:51:31 +00:00
drh
c97d84638e Add the checkpoint_fullfsync pragma which enables F_FULLFSYNC on checkpoint 
operations only, not during ordinary commit fsyncs.

FossilOrigin-Name: a069867301de3ca2e1753bd4d2e426d27365be4c
 2010-11-19 18:23:35 +00:00
dan
cdc1f049bf Modify the interface to the blocking wal-checkpoint functionality. 
FossilOrigin-Name: 72787c010c8944e8fcf9c98aa4482f129142d8e9
 2010-11-18 12:11:05 +00:00
dan
a58f26f93f Add experimental command "PRAGMA wal_blocking_checkpoint", which uses the busy-handler to block until all readers have finished in order to ensure the next writer will be able to wrap around to the start of the log file. 
FossilOrigin-Name: 7e3fc2c833a5baa08820c499867b6902bdc2ed5a
 2010-11-16 18:56:51 +00:00
drh
95aa47b10a Use the estimated number of rows computed for subqueries in the cost 
computations for outer queries.

FossilOrigin-Name: 56bbc539246a6dc9f1ae1edb898db7a4f6f6d322
 2010-11-16 02:49:15 +00:00
dan
4a07e3db27 Further enhancements and fixes for explain query plan. 
FossilOrigin-Name: 73c93f5a2a32ee8c5d07c9ba33b2641e72626627
 2010-11-09 14:48:59 +00:00
dan
2ce224535f Experimental changes to EXPLAIN QUERY PLAN. 
FossilOrigin-Name: f4747eb83dacce6430ad6e5eb20155ffad975514
 2010-11-08 19:01:16 +00:00
shaneh
5f1d6b616e Changes to remove sqlite3FitsIn64Bits(). 
FossilOrigin-Name: 43fef1cab6315f837782ea601d5a2aeb9843ab3c
 2010-09-30 16:51:25 +00:00
drh
9339da1f22 Rework the text to numeric conversion routines so that they work with either 
UTF8 or UTF16 and do not require a NULL terminator.  This allowed text to
numeric conversion without reallocating the string.

FossilOrigin-Name: 14eed3a0e0a45c6f2904a3a134aa27c159916f7b
 2010-09-30 00:50:49 +00:00
drh
6ac78a0d9f Fix several harmless compiler warnings. 
FossilOrigin-Name: 7be03ecc04235420e54fed8a88742243278de160
 2010-09-28 14:26:36 +00:00
drh
7445ffe2da Simplifications to the expression code generator. Remove about 80 lines of 
older and obsolete code.

FossilOrigin-Name: 53f5cfe11516d0496c7760378b6305c3088d479f
 2010-09-27 18:14:12 +00:00
drh
155640552b Enhance the ANALYZE command so that it gathers statistics in the sqlite_stat1 
table even for tables that are empty or have no indices.

FossilOrigin-Name: a7645d293801da64a7579737d0a8b48117af2e2c
 2010-09-25 22:32:56 +00:00
drh
f82ccf6437 Added the sqlite3_soft_heap_limit64() interface. Deprecate the older 
sqlite3_soft_heap_limit() interface.

FossilOrigin-Name: 82268a2c3d75431cd40de6ad09d398729de32a29
 2010-09-15 17:54:31 +00:00
drh
38c67c3683 Improved documentation of SQLITE_THREADSAFE and sqlite3_column_text() and 
evidence marks for each.

FossilOrigin-Name: 0d7a53894866e536616e78473d253a9e9c29b1bc
 2010-09-08 02:30:27 +00:00
drh
75c014c321 Remove the sqlite3BtreeFactor() wrapper routine. All modules now call 
sqlite3BtreeOpen() directly.

FossilOrigin-Name: 0900e35348f4b9bf327d6ae2884c4ddbb6345d8d
 2010-08-30 15:02:28 +00:00
dan
d2199f0f8d Add the sqlite3_create_function_v2() API, a version of create_function that allows a destructor to be specified. 
FossilOrigin-Name: 9a724dfbe822c77e76721abe3443c9cb018bb2e2
 2010-08-27 17:48:52 +00:00
drh
50d1b5f363 Remove unnecessary code from malloc.c. Enhance pcache1.c so that is tries 
to reuse existing pages, rather than create new pages, when SQLite is under
memory pressure.  "Memory pressure" means that SQLITE_CONFIG_PAGECACHE memory
is nearly exhausted or sqlite3_soft_heap_limit() has been reached.

FossilOrigin-Name: 51049479a8577e03cc353f71f6e13a10c8323d91
 2010-08-27 12:21:06 +00:00
drh
9b8d02727a Fix typos in comments. No functional changes to the code. 
FossilOrigin-Name: 9cebaf2dca6dc35e489537fe7c55474e1029a98e
 2010-08-09 15:44:21 +00:00
drh
3bb9b93f1f Change two automatic array variables into static constant arrays. 
Update and reformat some comments for cleaner presentation.

FossilOrigin-Name: a7a15547cccb4aeb719aba19641f31390c316d8c
 2010-08-06 02:10:00 +00:00
dan
d19c933e8e Change the way SubProgram objects are deleted so that the code is the same for deletion and measurement. 
FossilOrigin-Name: 00e55102a8309eb6df08ad4a8937ba02688bac62
 2010-07-26 12:05:17 +00:00
drh
174b9a166d Make sure all memory from sqlite3DbMalloc() is freed by sqlite3DbFree() 
and all memory from sqlite3_malloc() is freed by sqlite3_free().

FossilOrigin-Name: 629e38a8c9e31111e351fe4625a5835576d23584
 2010-07-26 11:07:20 +00:00
drh
b975598ea0 Make sure all memory from sqlite3DbMalloc() is freed by sqlite3DbFree() and 
all memory from sqlite3_malloc() is freed by sqlite3_free().

FossilOrigin-Name: ac1f37a647e9ed1c00a901d26d9956a86c40117a
 2010-07-24 16:34:37 +00:00
dan
d46def77db Experimental code to measure memory consumed by database schemas and prepared statements. 
FossilOrigin-Name: 9aa30342f4de4eff630520ea8e07ad253d3f0877
 2010-07-24 11:28:28 +00:00