/// <summary>
/// 判断两个Sql语句参数是否相同
/// </summary>
/// <param name="obj">待比较的Sql语句参数</param>
/// <returns>两个Sql语句参数是否相同</returns>
public override Boolean Equals(Object obj)
{
if (obj == null)
{
return(false);
}
DataParameter param = obj as DataParameter;
if (param == null)
{
return(false);
}
if (this._isUseParameter != param._isUseParameter)
{
return(false);
}
if (this.DataType != param.DataType)
{
return(false);
}
if (!String.Equals(this.ColumnName, param.ColumnName))
{
return(false);
}
if (!String.Equals(this.ParameterName, param.ParameterName))
{
return(false);
}
if (!Object.Equals(this.Value, param.Value))
{
return(false);
}
return(true);
}
/// <summary>
/// 创建新的Sql语句参数类
/// </summary>
/// <param name="database">数据库</param>
/// <param name="columnName">字段名</param>
/// <param name="parameterIndex">参数索引</param>
/// <param name="dataType">字段类型</param>
/// <param name="value">赋值内容</param>
/// <returns>Sql语句参数类</returns>
internal static DataParameter InternalCreate(AbstractDatabase database, String columnName, String parameterIndex, DataType dataType, Object value)
{
DataParameter param = new DataParameter(database, columnName, parameterIndex, value);
param._parameter.DbType = DataParameter.GetDbType(dataType);
return param;
}