database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-16 23:02:26 +03:00
Code Activity
19,138 Commits 1,608 Branches 185 Tags
98b677f2cb15b1dff79920237b9961d7b5c05a5a
Commit Graph

13138 Commits

Author SHA1 Message Date
drh
6f17c09fcf Fix an assert() in sqlite3VarintLen(), even though it is impossible to hit 
in SQLite due to the way sqlite3VarintLen() is used.

FossilOrigin-Name: 251424c5869f43012fc1e1a545de362036b883db
 2016-03-04 21:18:09 +00:00
drh
2606aca80f Merge recent enhancements from trunk. Default page size is 4096. Writes 
to statement journals are avoided.

FossilOrigin-Name: 456df3365e2df60e34762f2024bb551538b3f72b
 2016-03-04 16:42:43 +00:00
drh
14520bfd23 Merge changes from trunk. 
FossilOrigin-Name: a87305dfd49ee17632d0bce66ce7c2e9407b7b3e
 2016-03-04 13:08:35 +00:00
drh
94580868f5 Change the default cache_size to -2000 (which means 2000*1024 bytes 
independent of page_size).

FossilOrigin-Name: 2682e8e413fadbca0673f242769af17bfd291559
 2016-03-04 04:01:43 +00:00
drh
9878fefd6f Change the default page size for new database files to 4096 (from 1024). 
Except, when building the testfixture, preserve the legacy page size.
Also fix a comment on SQLITE_MAX_ATTACHED.

FossilOrigin-Name: 2e8a9ca9d3d6efddc31f01074d14acae56568c37
 2016-03-04 03:43:10 +00:00
drh
79a2ca3944 Further fixes to the pread()/pwrite() enabling logic. 
FossilOrigin-Name: 38fb54e7854ac0500a88585ff9dd7487b4b2e586
 2016-03-04 03:14:39 +00:00
drh
a46cadc42e Fix the build for cases when pread()/pwrite() are not available. 
FossilOrigin-Name: 7d67d876b70c7a4199697c5b112d809c600e140e
 2016-03-04 03:02:06 +00:00
drh
e32a256acd Update the configure script to detect pread/pwrite and update os_unix.c to 
use those routines if they are available.

FossilOrigin-Name: 2cffb9e50bed77d1079603f5b4a71b7559de7294
 2016-03-04 02:38:00 +00:00
drh
ff6b826631 Get in-memory subjournals working for builds without SQLITE_ENABLE_ATOMIC_WRITE. 
FossilOrigin-Name: b5378dcea53d4cd1744d13ddee5e50869607b771
 2016-03-04 00:13:29 +00:00
drh
a05fc913ab Merge the latest updates from trunk. 
FossilOrigin-Name: 55c00f716dc98b188c91f3a5a010242c9497785f
 2016-03-03 21:29:10 +00:00
drh
862acaa3f4 Reduce the amount of heap memory required to store many schemas by storing 
the column datatype appended to the column name (with a \000 separator), 
rather than in separate memory allocation.

FossilOrigin-Name: 16fbf2e19c22df9441aef5c8b7f5670adc38a6b6
 2016-03-03 21:22:53 +00:00
drh
2b33f6e775 Allow the left-hand side of IN operators on virtual tables to have the 
aConstraintUsage[].omit flag clear.

FossilOrigin-Name: 3eb74342740cd393e03aa38cd01690ccab173b76
 2016-03-03 20:42:18 +00:00
drh
5b38201708 Merge 3.11.1 changes into trunk. 
FossilOrigin-Name: 7abc2dd953477797fa05421b061d73596aa025fb
 2016-03-03 17:54:30 +00:00
dan
512c09b0bd Add an extra test for the change on this branch. 
FossilOrigin-Name: d2d28251566d2a0ec1a07fe5b8ed047136840bfd
 2016-03-02 16:13:53 +00:00
dan
9cc24c8002 Enhance test_bestindex.c so that it can be used to test plans generated by xBestIndex. 
FossilOrigin-Name: 3c15a9bf45cd7dae2fbd99123b8dd75ce278d6e4
 2016-03-02 16:01:41 +00:00
drh
dbc49161c0 Allow the left-hand side of IN operators on virtual tables to have the 
aConstraintUsage[].omit flag clear.

FossilOrigin-Name: 1622623cbbfc4325c53d731aba78ca9c382ec612
 2016-03-02 03:28:07 +00:00
drh
7434b1dbf4 New test cases and infrastructure for testing the xBestIndex method of 
virtual tables.

FossilOrigin-Name: 1d41c161165006d6c2af47e476f05fb13039f8b8
 2016-03-01 22:48:00 +00:00
drh
4fb48e4eb1 Improved debugging output with wheretrace. Fix some typos in test script 
comments.

FossilOrigin-Name: 13a37fd487ce7d4f98a12f7a67a9c05dadc66557
 2016-03-01 22:41:27 +00:00
dan
23c3c38dd6 Fix a memory leak in the test code on this branch. 
FossilOrigin-Name: 7a1add56341f43dc41adc7b370e58860f4dd50a3
 2016-03-01 18:35:55 +00:00
dan
a3a44dd379 Allow test_bestindex.c to set the omit flag for a constraint. 
FossilOrigin-Name: 759b9d5b22aa60cc1d6b606f81eb7366c28cbcbe
 2016-03-01 18:24:36 +00:00
dan
8e4251b633 Add test code useful for testing the planners use of teh virtual table xBestIndex() method. 
FossilOrigin-Name: de034c0db66298454ae8418949d58eb6e223c0de
 2016-03-01 18:07:43 +00:00
dan
6e76326d18 When using a temporary file for a statement journal, store the first 64KiB in memory. If the file grows larger than that, flush it to disk and free the memory. Hardcoding to 64KiB is just an experiment to check that the memjournal.c code works. 
FossilOrigin-Name: 44b2dc18e200e87cf062cb8f1659727c53fa36e9
 2016-02-29 20:18:21 +00:00
dan
5f37ed5121 Fix minor problems with new code in memjournal.c. 
FossilOrigin-Name: 9fd3f7b9c93325a83cdbe7dc9ee312b22a9c2898
 2016-02-29 20:00:13 +00:00
drh
94eaafa9ce Reduce the amount of heap required to store many schemas by storing each 
column datatype appended to the column name, rather than as a separate
allocation.

FossilOrigin-Name: 842b21162713bb141b845b01c136457a31af4ab0
 2016-02-29 15:53:11 +00:00
drh
986dde7052 Further simplifications to the grammar. 
FossilOrigin-Name: 519fd03b845c9b53df9e5397282df2e99f36a672
 2016-02-29 13:37:21 +00:00
drh
2881ab6298 Update the parser so that it pulls out the column name and type all in one 
go, rather than using separate reductions.

FossilOrigin-Name: ad3ffe2eec8e8ea2591a78c723d2665735553cb0
 2016-02-27 23:25:36 +00:00
drh
94fa9c414a Eliminate the need for the Column.zDflt (using Column.pDflt instead) to reduce 
the amount of memory needed to hold the schema.

FossilOrigin-Name: d8c94a46dfa94930732c2de2aa79675c5087d36e
 2016-02-27 21:16:04 +00:00
dan
2491de28f1 Extend the code in memjournal.c so that it subsumes the role of journal.c. And (untested) can flush journal or statement journal files to disk after they grow to a specified size. 
FossilOrigin-Name: e0b0b4316531fc8afa74b4882d9c74a91030ec69
 2016-02-27 20:14:55 +00:00
drh
fc1a84c57b Tighter description of I/O stats in the shell. Show I/O stats on speedtest1.c. 
FossilOrigin-Name: f681d800340e0e710f73d0f7c09101f899249183
 2016-02-27 19:19:22 +00:00
drh
3478490332 Enhance the ".stats" command in sqlite3.exe to show one-time stats information 
if invoked with one argument.  Also show /proc/PID/io information if run on
Linux.

FossilOrigin-Name: 3c36948f16b58fe8042c37d0df634308b4e48217
 2016-02-27 17:12:36 +00:00
drh
d892ac97bb Enhance documentation of sqlite3_snapshot_open() to explain that the database 
connection must have participated in at least one read operation prior to
the beginning of the transaction for which the snapshot is to be opened.
Add test cases for this fact.

FossilOrigin-Name: 33dd671cb9c17f08dbc61aed91e80eaeb84bfaf5
 2016-02-27 14:00:07 +00:00
drh
d42908fb0e Provide the new SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER option to 
sqlite3_db_config() that can be used to activate the two-argument version
of fts3_tokenizer() for a specific database connection at run-time.

FossilOrigin-Name: 374b5108087a2eae03676c0f3469b37a272145bf
 2016-02-26 15:38:24 +00:00
drh
5f7d411e98 Fix a typo in a comment (though an important comment in that it is used 
to generate documentation).

FossilOrigin-Name: ff3d7f845e1875d6729f64f5231db1c376892f31
 2016-02-26 13:22:21 +00:00
drh
26bcc7cf40 Ephemeral tables used to hold manifested views may not be unordered since 
they might be subject to an ordered comparison if they are part of a join.

FossilOrigin-Name: 3ef6a3153267d5328202fea24fd29ff4d5409295
 2016-02-26 04:13:39 +00:00
drh
8c098e61b6 Fix an incorrect cost computation for sorting (introduced just a few 
check-ins ago).  Should be NlogN, not NloglogN.

FossilOrigin-Name: 2459d3238853951bc3a507dd975e7ec921cf8446
 2016-02-25 23:21:41 +00:00
mistachkin
9d970c3c93 Small optimization in FK handling. 
FossilOrigin-Name: e0d25913b73a813f5987aa70b364b00f19351663
 2016-02-25 21:38:28 +00:00
drh
d566c95179 Change the "PRAGMA stats" command to report size values in LogEst units. 
The eliminates the need for sqlite3LogEstToInt() unless non-standard
compile-time options are used, so leave it out except in those cases.

FossilOrigin-Name: 832c237fcbe83dd4f5a18a06acb0aeb7e2b9e712
 2016-02-25 21:19:03 +00:00
dan
aa9ffaba4a Disable the RESTRICT foreign key action if "PRAGMA defer_foreign_keys" is set. 
FossilOrigin-Name: 9ffff484bb4b67c29dda6180d7d766ad13988fe1
 2016-02-25 20:17:55 +00:00
dan
fd37e67b16 Disable the RESTRICT foreign key action if "PRAGMA defer_foreign_keys" is set. 
FossilOrigin-Name: 8fea1166016c659ece83e0045bc348f478a9ba6a
 2016-02-25 19:52:11 +00:00
drh
d3e1af4aa0 Merge all the latest changes from trunk. 
FossilOrigin-Name: b86590043e17705ada90562cf30f69b3e3ef65a4
 2016-02-25 18:54:30 +00:00
drh
5a6f5ede81 Improvement on the previous check-in: disallow automatic indexes for any 
loop that is expected to run less than twice.

FossilOrigin-Name: aab53a21894ba51d325fd8f8f4bb4163ece74391
 2016-02-25 18:22:09 +00:00
drh
87eb919d05 Do not use an automatic index on an outer loop that only runs once. 
FossilOrigin-Name: 5957e793414ff80ed01a7a67e70c3fd096a3f6e0
 2016-02-25 18:03:38 +00:00
drh
c3489bbf77 Take the LIMIT clause into account when estimating the cost of sorting. 
FossilOrigin-Name: d491745cab951e0de70f1f79b7640ea8aff6e8bb
 2016-02-25 16:04:59 +00:00
drh
d8c22ac655 In the command-line shell: When the ".import" command is creating a new 
table using column names from the first row of CSV input, make sure 
double-quotes in the name are properly escaped.

FossilOrigin-Name: 2e67a1c823c7003e7d2619c7d8b6db6ce046c527
 2016-02-25 13:33:02 +00:00
dan
f769cd61b2 Extend [3e9ed1ae] so that covering indexes on WITHOUT ROWID tables are also identified. 
FossilOrigin-Name: e721975faa0925be4029330550ff2a9666041ff7
 2016-02-24 20:16:28 +00:00
drh
6ad224e91e Change a char* to const char* in order to suppress some harmless 
compiler warnings.

FossilOrigin-Name: 56f62e34ae9d5c7db07367f0007df258b2e76bd2
 2016-02-24 19:57:11 +00:00
drh
87993148bd When an index complete covers a table, it can be used as a covering index 
even if columns past the 63rd column are indexed and accessed.

FossilOrigin-Name: 3e9ed1aea43e8ce2eb74bb845ea2c05b5882e36e
 2016-02-24 17:18:51 +00:00
dan
a73086dd9e Fix a problem with handling identifiers that start with "x" if SQLITE_OMIT_BLOB_LITERAL is defined. 
FossilOrigin-Name: b65217c69c59cbe9cd1494e2eb42ecf22c336399
 2016-02-24 16:14:07 +00:00
drh
e1dd060898 Identify indexes that complete cover their table. 
FossilOrigin-Name: 71d488b599cbde817de369efac4412569a55b43d
 2016-02-24 15:43:05 +00:00
drh
0e0089679f Add the SQLITE_BITMASK_TYPE compile-time option. 
FossilOrigin-Name: 0064a8c77b2b048c71277d1cfd1ba3975b513b70
 2016-02-23 16:28:34 +00:00