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Commits on Nov 22, 2018

• Fix a problem reading from temp databases in SQLITE_DIRECT_OVERFLOW_READ

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Commits on Sep 1, 2017

• Small size and performance improvement in pcacheManageDirtyList() by not

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  D. Richard Hipp

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Commits on May 31, 2017

• Reorder fields in the PgHdr object for a performance increase.

  

  D. Richard Hipp

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Commits on May 13, 2016

• Remove the unused PGHDR_NEED_READ flag. Add invariant checking (during

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  D. Richard Hipp

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Commits on May 11, 2016

• For in-memory databases, it does not matter if pcache entries are marked

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  D. Richard Hipp

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Commits on Apr 21, 2016

• Add a function prototype in order to fix a compiler warning.

  

  D. Richard Hipp

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Commits on Apr 13, 2016

• On commit, flush dirty temp-file pages only if the file is already open and 25% or more of the cache is dirty.

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Commits on Jan 9, 2016

• If a single page is written to the wal file more than once, have each subsequent copy overwrite the original frame.

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Commits on Nov 12, 2015

• First attempt at enhancing the "PRAGMA cache_spill" statement to accept a

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  D. Richard Hipp

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Commits on Jun 29, 2015

• Add the PGHDR_WRITEABLE bit for PgHdr.flags which is used to

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  D. Richard Hipp

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• Add the new PGHDR_CLEAN bit to PgHdr.flags in pcache.c. This bit is always

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Commits on Nov 4, 2014

• Add the SQLITE_CONFIG_PCACHE_HDRSZ option for sqlite3_config().

  

  D. Richard Hipp

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Commits on Aug 27, 2014

• Refactor the sqlite3PcacheFetch() routine into three separate routines,

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  D. Richard Hipp

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Commits on Aug 26, 2014

• Change the page cache so that a new sqlite3_pcache object is allocated as

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Commits on Mar 14, 2013

• Use mmap() to read from the database file in rollback mode. This branch is unix only for now.

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Commits on Feb 2, 2012

• Data structure cleanup. Remove unused fields. Rearrange other files for

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Commits on Nov 16, 2011

• Add the sqlite3_db_release_memory() interface and the shrink_memory pragma.

  

  D. Richard Hipp

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Commits on Nov 8, 2011

• Experimental change to the pcache interface to allow page buffers to be allocated separately from their associated container structures.

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Commits on Nov 10, 2009

• Remove the obsolete "$Id:$" RCS identifier strings from the source code.

  

  D. Richard Hipp

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Commits on Jul 25, 2009

• Add files that should have gone in with the previous checkin. (CVS 6935)

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Commits on Jan 20, 2009

• Big change to make pager.c easier to follow. Unused variables removed, comments improved, etc. (CVS 6197)

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Commits on Jan 16, 2009

• Revert (6187). (CVS 6188)

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• This commit is an error. Reverted by (6188). (CVS 6187)

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Commits on Nov 19, 2008

• Fix some compiler warnings that show up when building the amalgamation only. (CVS 5927)

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Commits on Nov 13, 2008

• Add an API to support custom page cache implementations. (CVS 5899)

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Commits on Oct 17, 2008

• 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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Commits on Oct 11, 2008

• Conditionally omit prototypes in pcache.h when the corresponding routines

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Commits on Sep 29, 2008

• 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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Commits on Sep 18, 2008

• Avoid parsing the structure of b-tree pages (in sqlite3BtreeInitPage) more than is necessary. (CVS 5720)

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Commits on Sep 17, 2008

• Speed improvements for in-memory databases by omitting flag clearing on pages

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  D. Richard Hipp

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Commits on Aug 29, 2008

• 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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Commits on Aug 28, 2008

• Miscellaneous cleanup in the new pcache code. (CVS 5629)

  

  D. Richard Hipp

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Commits on Aug 27, 2008

• Use a bitvec object to store the set of pages with the 'always-rollback' property for a transaction. (CVS 5622)

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Commits on Aug 26, 2008

• 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…

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Commits on Aug 23, 2008

• Instead of marking a page as clean when sqlite3PagerDontWrite() is called, set a dedictated flag - PGHDR_DONT_WRITE. (CVS 5604)

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