/// <summary>
/// 设置Is Null查询条件
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="expression">列名表达式</param>
/// <returns></returns>
public ISqlBuilder IsNull <TEntity>(Expression <Func <TEntity, object> > expression) where TEntity : class
{
WhereClause.IsNull(expression);
return(this);
}
public void TestIsNull_1()
{
_clause.IsNull("Name");
Assert.Equal("Where [Name] Is Null", GetSql());
}
/// <summary>
/// 设置Is Null查询条件
/// </summary>
/// <param name="column">列名</param>
/// <returns></returns>
public ISqlBuilder IsNull(string column)
{
WhereClause.IsNull(column);
return(this);
}