public SqlLam <T2> Join <T2>(Expression <Func <T, T2, bool> > expression)
{
var joinQuery = new SqlLam <T2>(_builder, _resolver);
_resolver.Join(expression);
return(joinQuery);
}
public IEnumerable <TEntity> GetPagingList(Pagination p, Expression <Func <TEntity, bool> > expression, Expression <Func <TEntity, object> > orderBy)
{
var sql = this.GetSqlLam().Where(expression).OrderBy(orderBy);
// TODO: (已实现) 修复用户管理列表查询出错 - Roc Qing
//var sqlCount = new SqlLam<TEntity>().Where(expression);
var sqlCount = new SqlLam <TEntity>().Where(expression).Count();
return(this.GetPagingList(p, sql, sqlCount));
}
public IEnumerable <TEntity> GetPagingList(Pagination p, SqlLam <TEntity> sql, SqlLam <TEntity> sqlCount)
{
string sqlText = sql.QueryPage(p.rows, p.page) + @";" + sqlCount.SqlString;
var reader = connection.QueryMultiple(sqlText, sql.Parameters);
var list = reader.Read <TEntity>();
var records = reader.Read <int>().FirstOrDefault();
p.records = records;
return(list);
}
public SqlLam <TResult> Join <T2, TKey, TResult>(SqlLam <T2> joinQuery,
Expression <Func <T, TKey> > primaryKeySelector,
Expression <Func <T, TKey> > foreignKeySelector,
Func <T, T2, TResult> selection)
{
var query = new SqlLam <TResult>(_builder, _resolver);
_resolver.Join <T, T2, TKey>(primaryKeySelector, foreignKeySelector);
return(query);
}
public SqlLam <TEntity> GetSqlLam()
{
string key = typeof(TEntity).FullName;
ICache cache = CacheFactory.Cache();
SqlLam <TEntity> sql = cache.GetCache <SqlLam <TEntity> >(key);
if (sql == null)
{
sql = new SqlLam <TEntity>();
cache.WriteCache <SqlLam <TEntity> >(sql, key);
}
else
{
sql.Clear();
}
return(sql);
}
public IEnumerable <TEntity> GetList(SqlLam <TEntity> sql)
{
return(connection.Query <TEntity>(sql.SqlString, sql.Parameters));
}
public TEntity Get(SqlLam <TEntity> sql)
{
return(connection.Query <TEntity>(sql.SqlString, sql.Parameters).FirstOrDefault());
}