public ISugarQueryable <T> Queryable <T>(string tableName) where T : class, new()
{
ISugarQueryable <T> queryable = new SqlServerQueryable <T>();
queryable.QueryableCore = _db.Queryable <T>(tableName);
return(queryable);
}
/// <summary>
/// 获取ISugarQueryable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="type"></param>
/// <returns></returns>
public static ISugarQueryable <T> GetISugarQueryableByType <T>(DbType type) where T : class, new()
{
switch (type)
{
case DbType.SqlServer:
var queryableSql = new SqlServerQueryable <T>();
queryableSql.QueryableCore = new SqlSugar.Queryable <T>();
return(queryableSql);
case DbType.Sqlite:
var queryableLite = new SqliteQueryable <T>();
queryableLite.QueryableCore = new SQLiteSugar.Queryable <T>();
return(queryableLite);
case DbType.MySql:
var queryableMySql = new MySqlQueryable <T>();
queryableMySql.QueryableCore = new MySqlSugar.Queryable <T>();
return(queryableMySql);
case DbType.Oracle:
var queryableOracle = new OracleQueryable <T>();
queryableOracle.QueryableCore = new OracleSugar.Queryable <T>();
return(queryableOracle);
default:
return(null);
}
}
public ISugarQueryable <TResult> Select <T2, T3, T4, T5, TResult>(System.Linq.Expressions.Expression <Func <T, T2, T3, T4, T5, TResult> > expression)
{
this.QueryableCore = ((Queryable <T>) this.QueryableCore).Select <T2, T3, T4, T5, TResult>(expression);
SqlServerQueryable <TResult> reval = new SqlServerQueryable <TResult>();
reval.QueryableCore = this.QueryableCore;
return(reval);
}
public ISugarQueryable <T2> Select <T2>(string select)
{
this.QueryableCore = ((Queryable <T>) this.QueryableCore).Select <T2>(select);
SqlServerQueryable <T2> reval = new SqlServerQueryable <T2>();
reval.QueryableCore = this.QueryableCore;
return(reval);
}