/// <summary>
/// 把一个 Linq 查询转换为 IQuery 查询。
/// </summary>
/// <param name="queryable"></param>
/// <returns></returns>
public IQuery ConvertToQuery(IQueryable queryable)
{
if (queryable.Provider != Repo.LinqProvider)
{
throw new InvalidProgramException(string.Format("查询所属的仓库类型应该是 {0}。", Repo.GetType()));
}
var expression = queryable.Expression;
expression = Evaluator.PartialEval(expression);
var builder = new EntityQueryBuilder(this.Repo);
var query = builder.BuildQuery(expression);
return query;
}
/// <summary>
/// 把一个 Linq 查询转换为 IQuery 查询。
/// </summary>
/// <param name="queryable"></param>
/// <returns></returns>
protected IQuery ConvertToQuery(IQueryable queryable)
{
if (queryable.Provider != Repo.RdbDataProvider.LinqProvider)
{
throw new InvalidProgramException(string.Format("查询所属的仓库类型应该是 {0}。", Repo.GetType()));
}
var expression = queryable.Expression;
expression = Evaluator.PartialEval(expression);
var builder = new EntityQueryBuilder
{
_repo = this.Repo,
};
builder.BuildQuery(expression);
var query = builder.Result;
return(query);
}