5251   Index *pIdx;  in sqlite3IndexedByLookup()  local
5255   for(pIdx=pTab->pIndex;   in sqlite3IndexedByLookup()
5256       pIdx && sqlite3StrICmp(pIdx->zName, zIndexedBy);   in sqlite3IndexedByLookup()
5257       pIdx=pIdx->pNext  in sqlite3IndexedByLookup()
5259   if( !pIdx ){  in sqlite3IndexedByLookup()
5265   pFrom->u2.pIBIndex = pIdx;  in sqlite3IndexedByLookup()
6389   Index *pIdx                     /* Index used to optimize scan, or NULL */  in explainSimpleCount()  argument
6392     int bCover = (pIdx!=0 && (HasRowid(pTab) || !IsPrimaryKeyIndex(pIdx)));  in explainSimpleCount()
6396         bCover ? pIdx->zName : ""  in explainSimpleCount()
7729         Index *pIdx;                         /* Iterator variable */  in sqlite3Select()  local
7748           for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){  in sqlite3Select()
7749             if( pIdx->bUnordered==0  in sqlite3Select()
7750              && pIdx->szIdxRow<pTab->szTabRow  in sqlite3Select()
7751              && pIdx->pPartIdxWhere==0  in sqlite3Select()
7752              && (!pBest || pIdx->szIdxRow<pBest->szIdxRow)  in sqlite3Select()
7754               pBest = pIdx;  in sqlite3Select()