nPinned          40605 ext/sqlite3/libsqlite/sqlite3.c   unsigned int nPinned;
nPinned          40611 ext/sqlite3/libsqlite/sqlite3.c   nPinned = pCache->nPage - pCache->nRecyclable;
nPinned          40615 ext/sqlite3/libsqlite/sqlite3.c         nPinned>=pGroup->mxPinned
nPinned          40616 ext/sqlite3/libsqlite/sqlite3.c      || nPinned>=pCache->n90pct
nPinned          40617 ext/sqlite3/libsqlite/sqlite3.c      || (pcache1UnderMemoryPressure(pCache) && pCache->nRecyclable<nPinned)