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sunkaixuan
2017-05-19 20:28:51 +08:00
parent 28e160a49c
commit b536bb40b3
3 changed files with 22 additions and 8 deletions
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7
SqlSugar/Abstract/Core/SqlBuilder/DMLBuilder/UpdateBuilder.cs
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@@ -12,6 +12,7 @@ namespace SqlSugar
{
this.sql = new StringBuilder();
this.DbColumnInfoList = new List<DbColumnInfo>();
this.SetValues = new List<KeyValuePair<string, string>>();
}
public SqlSugarClient Context { get; set; }
public ILambdaExpressions LambdaExpressions { get; set; }
@@ -21,6 +22,7 @@ namespace SqlSugar
public string TableName { get; set; }
public string TableWithString { get; set; }
public List<DbColumnInfo> DbColumnInfoList { get; set; }
public List<KeyValuePair<string, string>> SetValues { get; set; }
public bool IsUpdateNull { get; set; }
public bool IsReturnIdentity { get; set; }
@@ -87,13 +89,16 @@ namespace SqlSugar
return result;
}
}
public virtual ExpressionResult GetExpressionValue(Expression expression, ResolveExpressType resolveType)
public virtual ExpressionResult GetExpressionValue(Expression expression, ResolveExpressType resolveType,bool isMapping=true)
{
ILambdaExpressions resolveExpress = this.LambdaExpressions;
this.LambdaExpressions.Clear();
if (isMapping)
{
resolveExpress.MappingColumns = Context.MappingColumns;
resolveExpress.MappingTables = Context.MappingTables;
resolveExpress.IgnoreComumnList = Context.IgnoreColumns;
}
resolveExpress.Resolve(expression, resolveType);
this.Parameters = new List<SugarParameter>();
this.Parameters.AddRange(resolveExpress.Parameters);

16
SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
View File

@@ -32,8 +32,15 @@ namespace SqlSugar
public IUpdateable<T> ReSetValue(Expression<Func<T, bool>> setValueExpression)
{
var expResult=UpdateBuilder.GetExpressionValue(setValueExpression, ResolveExpressType.WhereSingle);
var expResult = UpdateBuilder.GetExpressionValue(setValueExpression, ResolveExpressType.WhereSingle);
var resultString=expResult.GetResultString();
LambdaExpression lambda = setValueExpression as LambdaExpression;
var expression = lambda.Body;
Check.Exception(!(expression is BinaryExpression), "Expression format error");
var leftExpression = (expression as BinaryExpression).Left;
Check.Exception(!(leftExpression is MemberExpression), "Expression format error");
var leftResultString=UpdateBuilder.GetExpressionValue(leftExpression, ResolveExpressType.WhereSingle).GetString();
UpdateBuilder.SetValues.Add(new KeyValuePair<string, string>(leftResultString, resultString));
return this;
}
@@ -61,7 +68,10 @@ namespace SqlSugar
{
return this;
}
public IUpdateable<T> Where(Expression<Func<T, bool>> expression)
{
return this;
}
public IUpdateable<T> With(string lockString)
{
return this;

1
SqlSugar/Interface/IUpdateable.cs
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@@ -20,6 +20,5 @@ namespace SqlSugar
IUpdateable<T> ReSetValue(Expression<Func<T, bool>> setValueExpression);
IUpdateable<T> UpdateRange(List<T> InsertObjs);
KeyValuePair<string,List<SugarParameter>> ToSql();
object Where(Func<object, bool> p);
}
}