chore: caculate item support const expr

fix: Date Type format error

@@ -71,7 +71,7 @@ func (t *DataTable) OptionalValue(args ...string) []string {
 			if len(match) > 0 && !strings.Contains(t.Data[i][0], match) {
 				continue
 			}
-			if filedType == Float.ToString() {
+			if filedType == Float.ToString() || filedType == Date.ToString() {
 				values = append(values, RoundFieldValue(&Field{SQLType: filedType}, t.Data[i][0]))
 				continue
 			}

@@ -272,6 +272,10 @@ func RoundFieldValue(f *Field, v string) string {
 		}
 		return utils.AssertString(fv) //fmt.Sprintf("%v", fv)
 	}
+	// TODO:计算表 Count(日期)类型是日期类型,0 的话下面日期解析成当前时间，计算表类型需要修改
+	if fv, err := strconv.ParseFloat(v, 64); err == nil {
+		return utils.AssertString(fv)
+	}
 	if f.SQLType == Datetime.ToString() {
 		fv, err := xtime.Parse(v)
 		if err != nil {
@@ -336,6 +340,11 @@ func MakeToInterfaces(fields []*Field) func([]string) []interface{} {
 				if fields[i].SQLType == Float.ToString() {
 					v = RoundFieldValue(fields[i], v)
 				}
+				if fields[i].SQLType == Date.ToString() {
+					v = RoundFieldValue(fields[i], v)
+					output[i] = v
+					continue
+				}
 				convValue, err := ValueToType(v, fields[i].SQLType)
 				if err == nil {
 					output[i] = convValue

@@ -140,7 +140,7 @@ func NewFormulaCalculate(table *domain.Table, queryComponent *domain.QueryCompon
 	}
 	if queryComponent.Formula != nil {
 		formula := queryComponent.Formula
-		res.DatabaseTableName = formula.TableFields[0].TableSqlName
+		// res.DatabaseTableName = formula.TableFields[0].TableSqlName
 		// TODO:支持常量
 		res.DatabaseTableName = ""
 		if len(formula.TableFields) > 0 {
@@ -158,6 +158,14 @@ func NewFormulaCalculate(table *domain.Table, queryComponent *domain.QueryCompon
 				CalculateFieldName:  table.DataFields[0].SQLName,
 			})
 		}
+		if len(queryComponent.Formula.TableFields) == 0 && len(queryComponent.Formula.ExprSql) > 0 {
+			res.FormulaCalculateFields = append(res.FormulaCalculateFields, &FormulaCalculateField{
+				DatabaseTableName:   "",
+				FieldSchema:         NewFieldSchema(domain.TableField{}),
+				CalculateExpression: exprSql,
+				CalculateFieldName:  table.DataFields[0].SQLName,
+			})
+		}
 		//res.FormulaCalculateFields = append(res.FormulaCalculateFields, &FormulaCalculateField{
 		//	DatabaseTableName:   res.DatabaseTableName,
 		//	FieldSchema:         NewFieldSchemaFromField(table.DataFields[0]),