using System; using System.Collections.Generic; using System.Linq; using System.Linq.Expressions; using System.Text; namespace SqlSugar { public class SubSelect : ISubOperation { public bool HasWhere { get; set; } public string Name { get { return "Select"; } } public Expression Expression { get; set; } public int Sort { get { return 200; } } public ExpressionContext Context { get;set; } public string GetValue(Expression expression = null) { var exp = expression as MethodCallExpression; var entityType = (exp.Arguments[0] as LambdaExpression).Parameters[0].Type; if (this.Context.InitMappingInfo != null) { this.Context.InitMappingInfo(entityType); this.Context.RefreshMapping(); } return SubTools.GetMethodValue(this.Context, exp.Arguments[0],ResolveExpressType.FieldSingle); } } }