4270   RtreeCheck check;               /* Common context for various routines */  in rtreeCheckTable()  local
4276   memset(&check, 0, sizeof(check));  in rtreeCheckTable()
4277   check.db = db;  in rtreeCheckTable()
4278   check.zDb = zDb;  in rtreeCheckTable()
4279   check.zTab = zTab;  in rtreeCheckTable()
4285     check.rc = sqlite3_exec(db, "BEGIN", 0, 0, 0);  in rtreeCheckTable()
4290   if( check.rc==SQLITE_OK ){  in rtreeCheckTable()
4291     pStmt = rtreeCheckPrepare(&check, "SELECT * FROM %Q.'%q_rowid'", zDb, zTab);  in rtreeCheckTable()
4296     if( check.rc!=SQLITE_NOMEM ){  in rtreeCheckTable()
4297       check.rc = SQLITE_OK;  in rtreeCheckTable()
4302   pStmt = rtreeCheckPrepare(&check, "SELECT * FROM %Q.%Q", zDb, zTab);  in rtreeCheckTable()
4305     check.nDim = (sqlite3_column_count(pStmt) - 1 - nAux) / 2;  in rtreeCheckTable()
4306     if( check.nDim<1 ){  in rtreeCheckTable()
4307       rtreeCheckAppendMsg(&check, "Schema corrupt or not an rtree");  in rtreeCheckTable()
4309       check.bInt = (sqlite3_column_type(pStmt, 1)==SQLITE_INTEGER);  in rtreeCheckTable()
4312     if( rc!=SQLITE_CORRUPT ) check.rc = rc;  in rtreeCheckTable()
4316   if( check.nDim>=1 ){  in rtreeCheckTable()
4317     if( check.rc==SQLITE_OK ){  in rtreeCheckTable()
4318       rtreeCheckNode(&check, 0, 0, 1);  in rtreeCheckTable()
4320     rtreeCheckCount(&check, "_rowid", check.nLeaf);  in rtreeCheckTable()
4321     rtreeCheckCount(&check, "_parent", check.nNonLeaf);  in rtreeCheckTable()
4325   sqlite3_finalize(check.pGetNode);  in rtreeCheckTable()
4326   sqlite3_finalize(check.aCheckMapping[0]);  in rtreeCheckTable()
4327   sqlite3_finalize(check.aCheckMapping[1]);  in rtreeCheckTable()
4332     if( check.rc==SQLITE_OK ) check.rc = rc;  in rtreeCheckTable()
4334   *pzReport = check.zReport;  in rtreeCheckTable()
4335   return check.rc;  in rtreeCheckTable()