/// <summary>
/// 生成where命令。
/// </summary>
/// <param name="operator">逻辑操作符。</param>
/// <param name="expressions">表达式。</param>
/// <returns></returns>
public virtual IWhereExpression Where(WhereOperators @operator, params string[] expressions)
{
if (expressions != null)
{
foreach (string expression in expressions)
{
if (string.IsNullOrEmpty(expression))
{
continue;
}
string key = _dialect.ReplaceKeyword(expression);
if (_wheres.ContainsKey(key))
{
continue;
}
_wheres.Add(key, @operator);
}
}
return(this);
}