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ccf6e7d0f0cbcd829b13c482aa43c27a59ea335c
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1096 Commits

Author SHA1 Message Date
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
b052958657 Remove code not needed now that synchronous=OFF database files no longer 
trigger the use of a master journal.

FossilOrigin-Name: aa9f4c622af191edbeb6a535942944f8c91f5c37
 2016-02-22 23:44:42 +00:00
mistachkin
fad3039c51 Enhance ability to debug out-of-memory errors. 
FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28
 2016-02-13 23:43:46 +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
6841b1cb3d Add "PRAGMA synchronous=EXTRA" which syncs the directory containing the 
rollback journal when the rollback journal is deleted in order to commit a 
transaction in DELETE mode.

FossilOrigin-Name: af92401826f5cf49e62c278f344ab75252a18da2
 2016-02-03 19:20:15 +00:00
drh
164c957b09 Add the SQLITE_EXTRA_DURABLE compile-time option. 
FossilOrigin-Name: 30671345b1c1ee55a2d1aa17273213f1849efd81
 2016-01-25 13:55:47 +00:00
drh
b4acd6a8d6 Fix the build so that it works for SQLITE_OMIT_WAL again. 
FossilOrigin-Name: d55a557bc70460c46a67ae5acd9f8a8356a580c2
 2016-01-14 01:56:43 +00:00
drh
21d61853e7 Add the experimental SQLITE_FCNTL_JOURNAL_POINTER file control for obtaining 
the sqlite3_file pointer associated with a rollback journal or WAL file.

FossilOrigin-Name: a02ace9a746ff02fc1a5969bf13939b568624f93
 2016-01-08 02:27:01 +00:00
dan
fc1acf33b8 Add untested implementations of experimental APIs sqlite3_snapshot_get(), _open() and _free(). 
FossilOrigin-Name: 0715eb00aa8891400cd50a15509d3d7b13789626
 2015-12-05 20:51:54 +00:00
drh
790f287c53 Add the SQLITE_FCNTL_VFS_POINTER file control which obtains a pointer to 
the top-level VFS in use by a database connection.

FossilOrigin-Name: 7c6a809e25138950f50554e1fb96e0b6ebbe0bd4
 2015-11-28 18:06:36 +00:00
drh
9b0cf34f81 First attempt at enhancing the "PRAGMA cache_spill" statement to accept a 
cache threashold size.

FossilOrigin-Name: 549d42be0dac87dc04c3eeccfdc60615c3a6ad3f
 2015-11-12 14:57:19 +00:00
drh
9584f58cc2 Rename the sqlite3PagerAcquire() function to sqlite3PagerGet(). The former 
macro called sqlite3PagerGet() has been removed.

FossilOrigin-Name: 708253be34084b89987efe955c34557516171a3a
 2015-11-04 20:22:37 +00:00
dan
5596eb3020 Return immediately if sqlite3PagerWrite() is called when the pager is in PAGER_ERROR state. 
FossilOrigin-Name: a6695b008487aeb7badf572fa32bfcba3c9fab03
 2015-10-30 14:28:16 +00:00
dan
9fb13abc6e Do not attempt to flush the pages of an in-memory database to disk if sqlite3_db_cacheflush() is called. 
FossilOrigin-Name: 9b79a390440a23542a370b591e567b31ebb35c42
 2015-10-29 21:11:22 +00:00
dan
dbf6773e88 Avoid automatically rolling back the transaction if an SQLITE_IOERR or SQLITE_FULL error occurs within sqlite3_db_cacheflush(). 
FossilOrigin-Name: 370b5d520c6523526988d0db5299f1bd09567782
 2015-10-29 18:16:40 +00:00
dan
6fa255fd5c Add experimental API sqlite3_db_cacheflush(). 
FossilOrigin-Name: 65b86dc1fa4a57cc3cde86a820d9f848aa288a15
 2015-10-28 19:46:57 +00:00
drh
58cb6dbe0d Take care that the number of reserved bits per page is consistent between 
the source and destination databases when doing the back-copy on a VACUUM.

FossilOrigin-Name: 5b61b72f5424a2d9bb4e68eb95026cd63f003db9
 2015-09-23 19:17:23 +00:00
drh
95a0b37156 Change the pcache module to keep track of the total number of references to 
all pages rather than the number of pages references, for a performance
improvement and size reduction.

FossilOrigin-Name: f00a9e1e998c4bd249a45444dc2d71a7e4903b8b
 2015-09-03 20:43:55 +00:00
drh
98c5f8795a A simple optimization and size reduction in sqlite3PagerAcquire(). 
FossilOrigin-Name: 618d8dd4ff44cce10cc4688a2134715ff66cc562
 2015-09-03 18:20:10 +00:00
drh
c98a4cc8b6 Change the Pager.hasBeenUsed flag into Pager.hasHeldSharedLock in order to 
take it off the critical path in sqlite3PagerAcquire().

FossilOrigin-Name: b79096be7cb02aae2f303db33a8bf19e69204374
 2015-09-03 17:54:32 +00:00
drh
e05b3f8f0b Simplification of PRAGMA integrity_check logic. Make sure that the depth 
of the right-most subtree is correct.  Size reduction and performance increase,
with no change in output.

FossilOrigin-Name: 550705fcb64e7ad637686e47cabe2621d65851bf
 2015-07-01 17:53:49 +00:00
drh
3169906d06 Change an unreachable branch into an assert() in sqlite3PagerAcquire() 
and optimize sqlite3PcacheOpenSavepoint() by factoring out rarely used code
into a subroutine.

FossilOrigin-Name: b406b20ecdf0bff63c5c222fab11cb9acee86765
 2015-06-30 11:07:32 +00:00
drh
d8c0ba3b02 Optimization to the sqlite3PcacheFetch() logic. 
FossilOrigin-Name: d9a0481ce0fd9824b1566f182d68ec46ef091b1b
 2015-06-30 03:57:59 +00:00
drh
50642b1deb Put all variable declarations for sqlite3PagerWrite() 
at the beginning of the block.  Syntax only - no logic changes.

FossilOrigin-Name: a0fa6b3ba59716e53b8c035b497602050ed0ccb8
 2015-06-30 03:34:13 +00:00
drh
b34755308c Add a bypass path in sqlite3PagerWrite() for pages with the PGHDR_WRITEABLE 
bit set, for about a 1% performance increase.

FossilOrigin-Name: ba425a6abb9886e6af87b5f6205202db450beba8
 2015-06-29 20:53:18 +00:00
drh
60e32edba5 Combine subjRequiresPage() and subjournalPage() into a single 
subjournalPageIfRequired() routine.

FossilOrigin-Name: 3b65eb56c422855ca47f709247205f0c77d98a5c
 2015-06-29 19:08:18 +00:00
drh
1aacbdb374 Add the PGHDR_WRITEABLE bit for PgHdr.flags which is used to 
distinguish between pages that are on the dirty list and pages that are
safe to modify.

FossilOrigin-Name: 7c4ef7b7c8744af19075bb96d1e0b63e35978ed1
 2015-06-29 18:29:10 +00:00
drh
e399ac2e1e Fix over-length source code lines in pager.c. 
FossilOrigin-Name: 14de3d39267a4005a0fa900bab4adc4c104e4084
 2015-06-29 18:14:02 +00:00
drh
82ef8775c7 Simplifications and performance improvement in pager_write(). 
FossilOrigin-Name: ab7aeeead395a05b91a921ef9ebe9252fffad667
 2015-06-29 14:11:50 +00:00
drh
b84c14d07c Comment typo fix and minor cleanup in the pager. No logic changes. 
FossilOrigin-Name: 94ef17012855b7be725594c34bcea75f34c40190
 2015-06-28 17:33:11 +00:00
drh
af80a1c8e7 Fix an obsolete comment - no changes to code. 
FossilOrigin-Name: 4e4228c47f862c7f1fb078bf1b8c1d604f09d365
 2015-05-25 10:29:52 +00:00
dan
929b923388 Fix an assert() failure caused by setting "PRAGMA journal_mode=off" on an database in exclusive-mode that has already opened the journal file. 
FossilOrigin-Name: 40db3e40126db1035fcc12989026915744dc5651
 2015-05-01 16:57:24 +00:00
mistachkin
8e18922f12 Fix harmless compiler warnings seen with MSVC 2015. 
FossilOrigin-Name: d05becd873a03a366843a34e7f4c732dd8f88c86
 2015-04-19 21:43:16 +00:00
drh
542d55865c Make sure PRAGMA data_version is updated even if the cache is empty when 
another connection changes the database.

FossilOrigin-Name: cf48eb608af9102a8def2a5b7f5f7b348548116f
 2014-12-31 14:18:48 +00:00
drh
d7107b3852 Update the PRAGMA data_version command so that it reponse to changes made 
by a shared-cache database connection, and also to changes made by the same
database connection.  Add test cases to verify the new behavior.

FossilOrigin-Name: 44ee538374940c50198949f2cbb9213ba2375b6a
 2014-12-20 14:34:02 +00:00
drh
9161856495 Experimental "PRAGMA data_version" command for detecting when another process 
has changed the database file.

FossilOrigin-Name: 43db1f44bce5a0ee50197b95ab0d844540b69d86
 2014-12-19 19:28:02 +00:00
drh
dd90d7ee81 Add evidence marks and assert()s used as evidence for checkpoint requirements. 
FossilOrigin-Name: b2da8afc7657266fbe8e683c6e50fe18216cbcf3
 2014-12-03 19:25:41 +00:00
drh
113762a284 Add new requirements marks associated with the file format documentation. 
No changes to code.

FossilOrigin-Name: 6d00bcca6ed1903fb17275752cab71c14392355b
 2014-11-19 16:36:25 +00:00
dan
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. 
FossilOrigin-Name: ecc3544e712041736af7c7b4f34864a1f2e30ff7
 2014-10-24 20:57:03 +00:00
dan
e6593d8e8c Fix some minor formatting and code organization issues. 
FossilOrigin-Name: eab8706dc47aa0a44caf73619de858397c3e0b4e
 2014-10-24 16:40:49 +00:00
dan
cc8490d2cd Merge latest trunk with this branch. 
FossilOrigin-Name: 854a54c6c21e800b0cd999023014813f7c50b23f
 2014-10-22 18:42:31 +00:00
drh
442c5cd3cf Call fsync() right after ftruncate() when in journal_mode=TRUNCATE and 
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
dan
d0b8f93b5f Merge trunk changes into this branch. 
FossilOrigin-Name: d5b7c5a88dd58de85b3060a1f28b6d96e6e21207
 2014-10-13 18:09:13 +00:00
dan
33ea486603 Change the balance_nonroot() routine to reduce the amount of memcpy work that takes place. This is a work in progress. 
FossilOrigin-Name: 29304499ea4b72dbb6701e10cc19b5d41f7e5ac9
 2014-10-09 19:35:37 +00:00
drh
6a15440378 Ensure that the Pager.pTmpSpace allocation is correct even if an OOM error 
occurs while reducing the page size.

FossilOrigin-Name: e4b43967fd9a0b4944be9ab5575bff3678be8ed5
 2014-10-08 13:34:21 +00:00
dan
9675d5dabc Modify an assert() within sqlite3PagerWalFramesize(), a function only ever used by zipvfs, to account for recent zipvfs changes. 
FossilOrigin-Name: 3bd7c1b2faa2d4cc95b255633204006849bfd5e0
 2014-09-18 09:59:28 +00:00
drh
da4ca9d19c Add new APIs that take 64-bit length parameters: 
sqlite3_malloc64(),
sqlite3_realloc64(),
sqlite3_bind_blob64(),
sqlite3_bind_texte64(),
sqlite3_result_blob64(),
and sqlite3_result_texte64().
Internal memory allocation routines also now use 64-bit unsigned length
parameters for safety.
Also add the sqlite3_msize() interface.
Fix the sqlite3_get_table() to use sqlite3_realloc64() to avoid a
integer overflow problem.

FossilOrigin-Name: 94954850cf2e1ec0b7f590c7f46cdc54c72558ce
 2014-09-09 17:27:35 +00:00
peter.d.reid
60ec914c74 Fix typos in comments. No code changes. 
FossilOrigin-Name: e62aab5e9290503869e1f4d5e0fefd2b4dee0a69
 2014-09-06 16:39:46 +00:00
drh
60da72741a Do not require a page-size change if the attempt to change the page size 
failed due to an OOM error.

FossilOrigin-Name: 4d4fb197dc438a486cf5d967cf435f1132902c63
 2014-09-06 03:38:51 +00:00
drh
bc59ac0e26 Refactor the sqlite3PcacheFetch() routine into three separate routines, 
which are significantly faster overall and about 100 bytes smaller in
size as well.

FossilOrigin-Name: bdb6e4978d1a26d5f795262172605184264ede9c
 2014-08-27 23:18:01 +00:00