110 static int dbpageBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){  in dbpageBestIndex()  argument
118   for(i=0; i<pIdxInfo->nConstraint; i++){  in dbpageBestIndex()
119     struct sqlite3_index_constraint *p = &pIdxInfo->aConstraint[i];  in dbpageBestIndex()
127     pIdxInfo->aConstraintUsage[i].argvIndex = 1;  in dbpageBestIndex()
128     pIdxInfo->aConstraintUsage[i].omit = 1;  in dbpageBestIndex()
136   pIdxInfo->estimatedCost = 1.0e6;  in dbpageBestIndex()
139   for(i=0; i<pIdxInfo->nConstraint; i++){  in dbpageBestIndex()
140     struct sqlite3_index_constraint *p = &pIdxInfo->aConstraint[i];  in dbpageBestIndex()
142       pIdxInfo->estimatedRows = 1;  in dbpageBestIndex()
143       pIdxInfo->idxFlags = SQLITE_INDEX_SCAN_UNIQUE;  in dbpageBestIndex()
144       pIdxInfo->estimatedCost = 1.0;  in dbpageBestIndex()
145       pIdxInfo->aConstraintUsage[i].argvIndex = iPlan ? 2 : 1;  in dbpageBestIndex()
146       pIdxInfo->aConstraintUsage[i].omit = 1;  in dbpageBestIndex()
151   pIdxInfo->idxNum = iPlan;  in dbpageBestIndex()
153   if( pIdxInfo->nOrderBy>=1  in dbpageBestIndex()
154    && pIdxInfo->aOrderBy[0].iColumn<=0  in dbpageBestIndex()
155    && pIdxInfo->aOrderBy[0].desc==0  in dbpageBestIndex()
157     pIdxInfo->orderByConsumed = 1;  in dbpageBestIndex()
159   sqlite3VtabUsesAllSchemas(pIdxInfo);  in dbpageBestIndex()