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

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"clean" or "writable".

FossilOrigin-Name: 06c1e27ca868f247f8c27b03eb19aac004f28650
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drh
2016-05-12 12:08:48 +00:00
parent 42bee5f4d6 72e6a39907
commit 91ef8ad42c
5 changed files with 19 additions and 12 deletions
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8
src/pcache.c
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@@ -14,7 +14,13 @@
#include "sqliteInt.h"
/*
** A complete page cache is an instance of this structure.
** A complete page cache is an instance of this structure. Every
** entry in the cache holds a single page of the database file. The
** btree layer only operates on the cached copy of the database pages.
**
** A page cache entry is "clean" if it exactly matches what is currently
** on disk. A page is "dirty" if it has been modified and needs to be
** persisted to disk.
**
** pDirty, pDirtyTail, pSynced:
** All dirty pages are linked into the doubly linked list using