修复部分bug,增加DB SUM函数，以及优化IN性能，增加分析接口

db/hotimedb.go

@@ -702,7 +702,7 @@ func (that *HoTimeDB) Select(table string, qu ...interface{}) []Map {
 			}
 		}
 
-		if reflect.ValueOf(qu[0]).Type().String() == "common.Slice" {
+		if reflect.ValueOf(qu[0]).Type().String() == "common.Slice" || strings.Contains(reflect.ValueOf(qu[0]).Type().String(), "[]") {
 			qu0 := ObjToSlice(qu[0])
 			for key, _ := range qu0 {
 				v := qu0.GetMap(key)
@@ -849,6 +849,31 @@ func (that *HoTimeDB) Count(table string, qu ...interface{}) int {
 var condition = []string{"AND", "OR"}
 var vcond = []string{"GROUP", "ORDER", "LIMIT"}
 
+// Count 计数
+func (that *HoTimeDB) Sum(table string, column string, qu ...interface{}) float64 {
+	var req = []interface{}{}
+	if len(qu) == 2 {
+		req = append(req, qu[0])
+		req = append(req, "SUM("+column+")")
+		req = append(req, qu[1])
+	} else {
+		req = append(req, "SUM("+column+")")
+		req = append(req, qu...)
+	}
+
+	//req=append(req,qu...)
+	data := that.Select(table, req...)
+	//fmt.Println(data)
+	if len(data) == 0 {
+		return 0
+	}
+	//res,_:=StrToInt(data[0]["COUNT(*)"].(string))
+	res := ObjToStr(data[0]["SUM("+column+")"])
+	count := ObjToFloat64(res)
+	return count
+
+}
+
 //where语句解析
 func (that *HoTimeDB) where(data Map) (string, []interface{}) {
 
@@ -942,11 +967,12 @@ func (that *HoTimeDB) where(data Map) (string, []interface{}) {
 					where += k
 				}
 
-				if reflect.ValueOf(v).Type().String() == "common.Slice" {
-					for i := 0; i < len(v.(Slice)); i++ {
-						where += " " + ObjToStr(v.(Slice)[i]) + " "
+				if reflect.ValueOf(v).Type().String() == "common.Slice" || strings.Contains(reflect.ValueOf(v).Type().String(), "[]") {
+					vs := ObjToSlice(v)
+					for i := 0; i < len(vs); i++ {
+						where += " " + vs.GetString(i) + " "
 
-						if len(v.(Slice)) != i+1 {
+						if len(vs) != i+1 {
 							where += ", "
 						}
 
@@ -1078,16 +1104,18 @@ func (that *HoTimeDB) varCond(k string, v interface{}) (string, []interface{}) {
 					k = "`" + k + "` "
 				}
 				where += k + " NOT BETWEEN ? AND ? "
-				res = append(res, v.(Slice)[0])
-				res = append(res, v.(Slice)[1])
+				vs := ObjToSlice(v)
+				res = append(res, vs[0])
+				res = append(res, vs[1])
 			case "[<>]":
 				k = strings.Replace(k, "[<>]", "", -1)
 				if !strings.Contains(k, ".") {
 					k = "`" + k + "` "
 				}
 				where += k + " BETWEEN ? AND ? "
-				res = append(res, v.(Slice)[0])
-				res = append(res, v.(Slice)[1])
+				vs := ObjToSlice(v)
+				res = append(res, vs[0])
+				res = append(res, vs[1])
 			default:
 				if !strings.Contains(k, ".") {
 					k = "`" + k + "` "
@@ -1098,6 +1126,98 @@ func (that *HoTimeDB) varCond(k string, v interface{}) (string, []interface{}) {
 						return where, res
 					}
 
+					if len(vs) == 1 {
+						where += k + "=? "
+						res = append(res, vs[0])
+						return where, res
+					}
+
+					min := int64(0)
+					isMin := true
+					IsRange := true
+					num := int64(0)
+					isNum := true
+
+					where1 := ""
+					res1 := Slice{}
+					where2 := k + " IN ("
+					res2 := Slice{}
+					for kvs := 0; kvs <= len(vs); kvs++ {
+						vsv := int64(0)
+						if kvs < len(vs) {
+							vsv = vs.GetCeilInt64(kvs)
+							//确保是全部是int类型
+							if ObjToStr(vsv) != vs.GetString(kvs) {
+								IsRange = false
+								break
+							}
+						}
+
+						if isNum {
+							isNum = false
+							num = vsv
+						} else {
+							num++
+						}
+						if isMin {
+							isMin = false
+							min = vsv
+						}
+						//不等于则到了分路口
+						if num != vsv {
+							//between
+							if num-min > 1 {
+								if where1 != "" {
+									where1 += " OR " + k + " BETWEEN ? AND ? "
+								} else {
+									where1 += k + " BETWEEN ? AND ? "
+								}
+								res1 = append(res1, min)
+								res1 = append(res1, num-1)
+							} else {
+								//如果就前进一步就用OR
+								where2 += "?,"
+								res2 = append(res2, min)
+							}
+							min = vsv
+							num = vsv
+						}
+
+					}
+
+					if IsRange {
+
+						where3 := ""
+
+						if where1 != "" {
+							where3 += where1
+							res = append(res, res1...)
+						}
+
+						if len(res2) == 1 {
+							if where3 == "" {
+								where3 += k + " = ? "
+							} else {
+								where3 += " OR " + k + " = ? "
+							}
+							res = append(res, res2...)
+						} else if len(res2) > 1 {
+							where2 = where2[:len(where2)-1]
+							if where3 == "" {
+								where3 += where2 + ")"
+							} else {
+								where3 += " OR " + where2 + ")"
+							}
+							res = append(res, res2...)
+						}
+
+						if where3 != "" {
+							where += "(" + where3 + ")"
+						}
+
+						return where, res
+					}
+
 					where += k + " IN ("
 					res = append(res, vs...)
 
@@ -1131,6 +1251,100 @@ func (that *HoTimeDB) varCond(k string, v interface{}) (string, []interface{}) {
 			if len(vs) == 0 {
 				return where, res
 			}
+
+			if len(vs) == 1 {
+				where += k + "=? "
+				res = append(res, vs[0])
+				return where, res
+			}
+
+			//In转betwin和IN，提升部分性能
+			min := int64(0)
+			isMin := true
+			IsRange := true
+			num := int64(0)
+			isNum := true
+
+			where1 := ""
+			res1 := Slice{}
+			where2 := k + " IN ("
+			res2 := Slice{}
+			for kvs := 0; kvs <= len(vs); kvs++ {
+				vsv := int64(0)
+				if kvs < len(vs) {
+					vsv = vs.GetCeilInt64(kvs)
+					//确保是全部是int类型
+					if ObjToStr(vsv) != vs.GetString(kvs) {
+						IsRange = false
+						break
+					}
+				}
+
+				if isNum {
+					isNum = false
+					num = vsv
+				} else {
+					num++
+				}
+				if isMin {
+					isMin = false
+					min = vsv
+				}
+				//不等于则到了分路口
+				if num != vsv {
+					//between
+					if num-min > 1 {
+						if where1 != "" {
+							where1 += " OR " + k + " BETWEEN ? AND ? "
+						} else {
+							where1 += k + " BETWEEN ? AND ? "
+						}
+						res1 = append(res1, min)
+						res1 = append(res1, num-1)
+					} else {
+						//如果就前进一步就用OR
+						where2 += "?,"
+						res2 = append(res2, min)
+					}
+					min = vsv
+					num = vsv
+				}
+
+			}
+
+			if IsRange {
+
+				where3 := ""
+
+				if where1 != "" {
+					where3 += where1
+					res = append(res, res1...)
+				}
+
+				if len(res2) == 1 {
+					if where3 == "" {
+						where3 += k + " = ? "
+					} else {
+						where3 += " OR " + k + " = ? "
+					}
+					res = append(res, res2...)
+				} else if len(res2) > 1 {
+					where2 = where2[:len(where2)-1]
+					if where3 == "" {
+						where3 += where2 + ")"
+					} else {
+						where3 += " OR " + where2 + ")"
+					}
+					res = append(res, res2...)
+				}
+
+				if where3 != "" {
+					where += "(" + where3 + ")"
+				}
+
+				return where, res
+			}
+
 			where += k + " IN ("
 			res = append(res, vs...)