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Remove an obsolete optimization in pcache that due to more recent changes

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was recently making the code a little slower.

FossilOrigin-Name: c4e7e175eecfd79015f4fae99618dfce6baf97c21bf3c909ea535d4e12dcaaad
This commit is contained in:
drh
2017-09-01 12:57:33 +00:00
parent f0dae6d0a2
commit dfcdc663f2
3 changed files with 8 additions and 12 deletions
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6
src/pcache.c
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@@ -510,11 +510,7 @@ void SQLITE_NOINLINE sqlite3PcacheRelease(PgHdr *p){
if( (--p->nRef)==0 ){
if( p->flags&PGHDR_CLEAN ){
pcacheUnpin(p);
}else if( p->pDirtyPrev!=0 ){ /*OPTIMIZATION-IF-FALSE*/
/* Move the page to the head of the dirty list. If p->pDirtyPrev==0,
** then page p is already at the head of the dirty list and the
** following call would be a no-op. Hence the OPTIMIZATION-IF-FALSE
** tag above. */
}else{
pcacheManageDirtyList(p, PCACHE_DIRTYLIST_FRONT);
}
}