dan
b2d3de3bf4
Use mmap() to read from the database file in rollback mode. This branch is unix only for now.
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FossilOrigin-Name: 6f21d9cbf5d457e63a7282015a89ae785526cf6d
2013-03-14 18:34:37 +00:00
drh
a451017d62
Data structure cleanup. Remove unused fields. Rearrange other files for
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tighter packing and reduced memory usage.
FossilOrigin-Name: 0bc594e861ae1142e8c6c83f39b095e1432856bf
2012-02-02 15:50:17 +00:00
drh
09419b4bae
Add the sqlite3_db_release_memory() interface and the shrink_memory pragma.
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FossilOrigin-Name: 3f58e7c8895d1252eff56282c08b1a6f1194452c
2011-11-16 19:29:17 +00:00
dan
22e21ff4fc
Experimental change to the pcache interface to allow page buffers to be allocated separately from their associated container structures.
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FossilOrigin-Name: c275c9d323cb1dccb031b199d413ac3a0b244fea
2011-11-08 20:08:44 +00:00
drh
c81c11f62c
Remove the obsolete "$Id:$" RCS identifier strings from the source code.
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FossilOrigin-Name: f6c045f649036958078cb15cd9d5453680c82b0c
2009-11-10 01:30:52 +00:00
danielk1977
750e87df2e
Add files that should have gone in with the previous checkin. (CVS 6935)
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FossilOrigin-Name: 64c7afc704e95e13fb3315be402525d277a0d8d8
2009-07-25 11:46:48 +00:00
danielk1977
bea2a94850
Big change to make pager.c easier to follow. Unused variables removed, comments improved, etc. (CVS 6197)
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FossilOrigin-Name: 12f7346c13c180ed73d7a2e3b590be457360254a
2009-01-20 17:06:27 +00:00
danielk1977
45d6882fd9
Revert (6187). (CVS 6188)
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FossilOrigin-Name: a353c1ab376b159c4d12532412365318cdbdcc60
2009-01-16 16:23:38 +00:00
danielk1977
443c0597fe
This commit is an error. Reverted by (6188). (CVS 6187)
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FossilOrigin-Name: aa67fd0cdb4f53a0c6e15c001d37554d15006718
2009-01-16 15:21:05 +00:00
danielk1977
f3d3c27a0c
Fix some compiler warnings that show up when building the amalgamation only. (CVS 5927)
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FossilOrigin-Name: d1abe8a1c9a990b02c71d6c249436381c9fde443
2008-11-19 16:52:44 +00:00
danielk1977
bc2ca9eb39
Add an API to support custom page cache implementations. (CVS 5899)
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FossilOrigin-Name: 47866d6708e9b69e367937fd85f93580fd025447
2008-11-13 14:28:28 +00:00
danielk1977
b3175389c7
Add "pragma journal_mode=memory". Change the way rollback works for in-memory databases so that it reuses the journal_mode=memory code. (CVS 5830)
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FossilOrigin-Name: 39ebf01addf9d0867daafd06a38719e725128f9c
2008-10-17 18:51:52 +00:00
drh
419fcf66db
Conditionally omit prototypes in pcache.h when the corresponding routines
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are not used. Ticket #3430 . (CVS 5805)
FossilOrigin-Name: 977ae12c365846e1bc582fd17146151953b5ed68
2008-10-11 17:42:28 +00:00
danielk1977
71d5d2cd49
Instead of storing a pointer to the parent page in the MemPage structure, have each B-Tree cursor keep track of the ancestry of the current page. (CVS 5747)
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FossilOrigin-Name: 40425e93421286cca1965d7a5769084526210c7a
2008-09-29 11:49:47 +00:00
danielk1977
eaa06f6970
Avoid parsing the structure of b-tree pages (in sqlite3BtreeInitPage) more than is necessary. (CVS 5720)
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FossilOrigin-Name: 6b998f3066754e219c266501327e5578c9406b63
2008-09-18 17:34:44 +00:00
drh
b3df2e1cfe
Speed improvements for in-memory databases by omitting flag clearing on pages
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where it is impossible for the flag to be set and by avoiding assert()s on
non-debugging builds. Ticket #3384 . (CVS 5715)
FossilOrigin-Name: a7fd9e622bc1050e78f227ec42b6ba90c87c865a
2008-09-17 20:06:26 +00:00
danielk1977
062d4cb0ae
If a page is made eligible for recycling when more than the configured maximum number of pages are allocated, free it immediately instead of adding it to the LRU list. (CVS 5638)
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FossilOrigin-Name: 4b12922dcb4547bf3a7276d0542b2e1d12ad338d
2008-08-29 09:10:02 +00:00
drh
a85f7e36e8
Miscellaneous cleanup in the new pcache code. (CVS 5629)
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FossilOrigin-Name: da1777259f53c2e20c7ced06bf6f2a550f0ea0fc
2008-08-28 02:26:07 +00:00
danielk1977
a1fa00d95f
Use a bitvec object to store the set of pages with the 'always-rollback' property for a transaction. (CVS 5622)
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FossilOrigin-Name: 9e9325997e11a0368721ed7860f4c37de3502a9b
2008-08-27 15:16:33 +00:00
danielk1977
d491e1bfd1
Simplify the pcache module by only recycling clean pages from 'other' caches. This commit causes errors in test files ioerr5.test and malloc5.test because they test recycling dirty pages from other caches. (CVS 5615)
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FossilOrigin-Name: 9e511e161bcb077450d31fca5dd20c2557f103b3
2008-08-26 18:05:48 +00:00
danielk1977
33e3216a3d
Instead of marking a page as clean when sqlite3PagerDontWrite() is called, set a dedictated flag - PGHDR_DONT_WRITE. (CVS 5604)
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FossilOrigin-Name: a323bd29a600abddbcc2cc9961ab84d82cccc5e5
2008-08-23 18:53:08 +00:00
danielk1977
a858aa2e8c
When recycling a page, try to find one that does not require a call to xSync() on the journal file. Also simplify some of the mutex related things in pcache. (CVS 5597)
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FossilOrigin-Name: 93dbc5427bebaa0b3d726731027caad3f70611c7
2008-08-22 16:22:17 +00:00
drh
777c5386c3
Move date+time functions to start-time initialization. Additional
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start-time function cleanup. (CVS 5585)
FossilOrigin-Name: 80d6a31cb3851704c09ac9d99fe4bc241df3c180
2008-08-21 20:21:34 +00:00
danielk1977
67e3da7ad4
Fix the functionality associated with sqlite3_release_memory() and sqlite3_soft_heap_limit(). It is automatically disabled if the SQLITE_CONFIG_PAGECACHE option is used. (CVS 5576)
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FossilOrigin-Name: d025866b09352b32a6d35b97144eaad2fafb7165
2008-08-21 12:19:44 +00:00
danielk1977
8c0a791a58
Add the pcache module from the experimental branch. Also change things so that most of the built-in SQL functions are kept in single static hash-table, rather than creating and populating a separate hash table for each open database connection. (CVS 5566)
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FossilOrigin-Name: cb494e10d71852024647aaa254203579ad438ea9
2008-08-20 14:49:23 +00:00
