protected Query()
{
Type t = typeof(T);
ValuePairs = EntityTableMapper.GetColumns(t);
Reduce = new QueryParameterReduce();
Reduce.AddTable(t);
}
/// <summary>
/// 根据主键查询数据
/// </summary>
/// <param name="pkValue"></param>
/// <returns></returns>
public T Get(Object pkValue)
{
Type t = typeof(T);
String name = EntityTableMapper.GetPkColumn(t);
Expression <Func <T, Boolean> > expression = PropertyValueExpression <T> .BuildExpression(name, pkValue);
return(_executeBatch.Query(_query.Select().Where(expression).End()));
}
private void SetQueryOtherTable <T1>(Expression <Func <T1, Object> > query = null)
{
lock (_lock)
{
Type tablename = typeof(T1);
var valuePairs = EntityTableMapper.GetColumns(tablename);
if (query == null)
{
foreach (var item in valuePairs)
{
Reduce.AddQuery(tablename, item.Key);
}
}
else
{
Reduce.AddQuery(query);
}
}
}
static Query()
{
EntityTableMapper.Add(typeof(T));
}
static Renewal()
{
EntityTableMapper.Add(typeof(T));
}