iUprIdx          118611 ext/sqlite3/libsqlite/sqlite3.c       int iUprIdx = -1;   /* aSample[] for the upper bound */
iUprIdx          118664 ext/sqlite3/libsqlite/sqlite3.c           iUprIdx = whereKeyStats(pParse, p, pRec, 1, a);
iUprIdx          118680 ext/sqlite3/libsqlite/sqlite3.c           if( iLwrIdx==iUprIdx ) nNew -= 20;  assert( 20==sqlite3LogEst(4) );