本文整理汇总了C#中System.Data.Entity.Core.Metadata.Edm.EntitySet.Scan方法的典型用法代码示例。如果您正苦于以下问题:C# EntitySet.Scan方法的具体用法?C# EntitySet.Scan怎么用?C# EntitySet.Scan使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.Entity.Core.Metadata.Edm.EntitySet
的用法示例。
在下文中一共展示了EntitySet.Scan方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreateDefiningQuery
// internal for testing
internal static string CreateDefiningQuery(EntitySet entitySet, MetadataWorkspace workspace, DbProviderServices providerServices)
{
Debug.Assert(entitySet != null, "entitySet != null");
Debug.Assert(workspace != null, "workspace != null");
Debug.Assert(providerServices != null, "providerServices != null");
var inputBinding = entitySet.Scan().BindAs(entitySet.Name);
var projectList = new List<KeyValuePair<string, DbExpression>>(entitySet.ElementType.Members.Count);
foreach (var member in entitySet.ElementType.Members)
{
Debug.Assert(member.BuiltInTypeKind == BuiltInTypeKind.EdmProperty, "Every member must be a edmproperty");
var propertyInfo = (EdmProperty)member;
projectList.Add(
new KeyValuePair<string, DbExpression>(
member.Name,
inputBinding.Variable.Property(propertyInfo)));
}
var query = inputBinding.Project(DbExpressionBuilder.NewRow(projectList));
var dbCommandTree = new DbQueryCommandTree(workspace, DataSpace.SSpace, query);
return providerServices.CreateCommandDefinition(dbCommandTree).CreateCommand().CommandText;
}