优化域名排行查询速度

internal/db/models/stats/server_domain_hourly_stat_dao.go

@@ -184,6 +184,7 @@ func (this *ServerDomainHourlyStatDAO) FindTopDomainStatsWithClusterId(tx *dbs.T
 				Table(table).
 				Attr("clusterId", clusterId).
 				Between("hour", hourFrom, hourTo).
+				UseIndex("hour").
 				Result("domain, MIN(serverId) AS serverId, SUM(bytes) AS bytes, SUM(cachedBytes) AS cachedBytes, SUM(countRequests) AS countRequests, SUM(countCachedRequests) AS countCachedRequests, SUM(countAttackRequests) AS countAttackRequests, SUM(attackBytes) AS attackBytes").
 				Group("domain").
 				Desc("countRequests").
@@ -233,6 +234,7 @@ func (this *ServerDomainHourlyStatDAO) FindTopDomainStatsWithNodeId(tx *dbs.Tx,
 				Table(table).
 				Attr("nodeId", nodeId).
 				Between("hour", hourFrom, hourTo).
+				UseIndex("hour").
 				Result("domain, MIN(serverId) AS serverId, SUM(bytes) AS bytes, SUM(cachedBytes) AS cachedBytes, SUM(countRequests) AS countRequests, SUM(countCachedRequests) AS countCachedRequests, SUM(countAttackRequests) AS countAttackRequests, SUM(attackBytes) AS attackBytes").
 				Group("domain").
 				Desc("countRequests").
@@ -282,6 +284,7 @@ func (this *ServerDomainHourlyStatDAO) FindTopDomainStatsWithServerId(tx *dbs.Tx
 				Table(table).
 				Attr("serverId", serverId).
 				Between("hour", hourFrom, hourTo).
+				UseIndex("hour").
 				Result("domain, MIN(serverId) AS serverId, SUM(bytes) AS bytes, SUM(cachedBytes) AS cachedBytes, SUM(countRequests) AS countRequests, SUM(countCachedRequests) AS countCachedRequests, SUM(countAttackRequests) AS countAttackRequests, SUM(attackBytes) AS attackBytes").
 				Group("domain").
 				Desc("countRequests").

internal/db/models/stats/server_domain_hourly_stat_dao_test.go

@@ -38,6 +38,9 @@ func TestServerDomainHourlyStatDAO_IncreaseHourlyStat(t *testing.T) {
 
 	for i := 0; i < 1_000_000; i++ {
 		var f = string([]rune{int32(rands.Int('0', '9'))})
+		if i % 30 > 0 {
+			f = string([]rune{int32(rands.Int('a', 'z'))})
+		}
 
 		err := NewServerDomainHourlyStatDAO().IncreaseHourlyStat(nil, 18, 48, 23, f+"rand"+types.String(i%500_000)+".com", timeutil.Format("Ymd")+fmt.Sprintf("%02d", rands.Int(0, 23)), 1, 1, 1, 1, 1, 1)
 		if err != nil {