Golang Expression.Evaluate示例

示例#1

文件： base.go 项目： latinojoel/tuqtng

func (this *BaseOperator) Evaluate(e ast.Expression, item *dparval.Value) (*dparval.Value, error) {
	// first ensure the query is avaliable
	item.SetAttachment("query", this.query)
	return e.Evaluate(item)
}

示例#2

文件： expression_sargable.go 项目： latinojoel/tuqtng

func (this *ExpressionSargable) evaluateConstant(e ast.Expression) (*dparval.Value, error) {
	return e.Evaluate(dparval.NewValue(map[string]interface{}{}))
}