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sunkaixuan 2017-01-27 17:18:30 +08:00
parent a928677842
commit 4553bae9b0
8 changed files with 35 additions and 11 deletions
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.vs/SqlSugar/v14/.suo
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12
OrmTest/ExpressionTest/Select.cs
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@ -20,23 +20,27 @@ namespace OrmTest.ExpressionTest
single();
Multiple();
singleDynamic();
MultipleDynamic();
MultipleDynamic();
}
DateTime e = DateTime.Now;
Console.WriteLine("Count: "+ count + "\r\nTime: "+(e-b).TotalSeconds+ " Seconds ");
Console.WriteLine("Count: " + count + "\r\nTime: " + (e - b).TotalSeconds + " Seconds ");
}
private static void Multiple()
{
Expression<Func<Student,School, object>> exp = (it,school) => new Student() { Name = "a", Id = it.Id, SchoolId = school.Id };
Expression<Func<Student, School, object>> exp = (it, school) => new Student() { Name = "a", Id = it.Id, SchoolId = school.Id,TestId=it.Id+1 };
ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.SelectMultiple);
expContext.Resolve();
var selectorValue = expContext.Result.GetString();
var pars = expContext.Parameters;
if (selectorValue.Trim() != " @constant1 AS Name , it.Id AS Id , school.Id AS SchoolId ".Trim())
{
throw new Exception("Multiple Error");
}
}
private static void MultipleDynamic()
{
Expression<Func<Student, School, object>> exp = (it, school) => new{ Name = "a", Id = it.Id/2, SchoolId = school.Id };
Expression<Func<Student, School, object>> exp = (it, school) => new { Name = "a", Id = it.Id / 2, SchoolId = school.Id };
ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.SelectMultiple);
expContext.Resolve();
var selectorValue = expContext.Result.GetString();

1
OrmTest/Models/Student.cs
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@ -20,5 +20,6 @@ namespace OrmTest.Models
[SugarColumn(MappingKeys = "id,SchoolId")]
public virtual School School { get; set; }
public int TestId { get; set; }
}
}

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OrmTest/bin/Debug/SqlSugar.dll
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33
SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
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@ -44,26 +44,45 @@ namespace SqlSugar
throw new NotSupportedException();
}
MemberAssignment memberAssignment = (MemberAssignment)binding;
var memberName = memberAssignment.Member.Name;
var item = memberAssignment.Expression;
if (item.NodeType == ExpressionType.Constant || (item is MemberExpression) && ((MemberExpression)item).Expression.NodeType == ExpressionType.Constant)
{
base.Expression = item;
base.Start();
string parameterName = this.Context.SqlParameterKeyWord + "constant" + i;
parameter.Context.Result.Append(parameterName);
parameter.Context.Result.Append(base.Context.GetAsString(memberName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
}
else if (item is MemberExpression)
{
base.Expression = memberAssignment.Expression;
base.Start();
if (base.Context.Result.IsLockCurrentParameter == false)
{
base.Context.Result.CurrentParameter = parameter;
base.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
base.Expression = item;
base.Start();
parameter.IsAppendResult();
base.Context.Result.Append(base.Context.GetAsString(memberName, parameter.CommonTempData.ObjToString()));
base.Context.Result.CurrentParameter = null;
}
}
else if (item is BinaryExpression)
{
base.Expression = item;
parameter.CommonTempData = "simple";
base.Start();
parameter.CommonTempData = null;
if (base.Context.Result.IsLockCurrentParameter == false)
{
base.Context.Result.CurrentParameter = parameter;
base.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
base.Expression = item;
parameter.CommonTempData = "simple";
base.Start();
parameter.CommonTempData = null;
parameter.IsAppendResult();
base.Context.Result.Append(base.Context.GetAsString(memberName, parameter.CommonTempData.ObjToString()));
base.Context.Result.CurrentParameter = null;
}
}
else
{