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Refactor the sqlite3PcacheFetch() routine into three separate routines,

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which are significantly faster overall and about 100 bytes smaller in
size as well.

FossilOrigin-Name: bdb6e4978d1a26d5f795262172605184264ede9c
This commit is contained in:
drh
2014-08-27 23:18:01 +00:00
parent a1dc42aa91
commit bc59ac0e26
5 changed files with 155 additions and 80 deletions
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4
src/pcache.h
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@@ -88,7 +88,9 @@ int sqlite3PcacheSize(void);
/* One release per successful fetch. Page is pinned until released.
** Reference counted.
*/
int sqlite3PcacheFetch(PCache*, Pgno, int createFlag, PgHdr**);
sqlite3_pcache_page *sqlite3PcacheFetch(PCache*, Pgno, int createFlag);
int sqlite3PcacheFetchStress(PCache*, Pgno, sqlite3_pcache_page**);
PgHdr *sqlite3PcacheFetchFinish(PCache*, Pgno, sqlite3_pcache_page *pPage);
void sqlite3PcacheRelease(PgHdr*);
void sqlite3PcacheDrop(PgHdr*); /* Remove page from cache */