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我可以在运行时在ormlite中构建自定义查询吗? 例如我可以在运行时在Ormlite中构建自定义查询吗?
public class SearchCriteria
{
public string FieldName { get; set; }
public MatchType MatchType { get; set; }
public object value1 { get; set; }
public object value2 { get; set; }
}
public enum MatchType { StartsWith, Contains, Between, GreaterThan } // ... etc.
public class OrderCriteria
{
public string FieldName { get; set; }
public OrderDirection OrderDirection { get; set; }
}
public enum OrderDirection { Ascending, Descending }
,然后我会打电话与
SearchCriteria[] sCrit = new SearchCriteria[2];
sCriteria[0] = new SearchCriteria{ FieldName = "Description", MatchType = MatchType.Contains, value1 = "vip" }
sCriteria[1] = new SearchCriteria{ FieldName = "Description", MatchType = MatchType.Contains, value1 = "client" }
OrderCriteria[] oCrit = new OrderCriteria[] { new OrderCriteria{ FieldName = "Description", OrderDirection = OrderDirection.Ascending} };
repo.GetItemsList(sCriteria, oCrit);
库,并留下实际LINQ创作是库的责任。
如果可能,这会影响ormlite的性能吗?