/// <summary>
/// 删除列集合(不支持)
/// </summary>
/// <param name="connection">SQL连接</param>
/// <param name="columnCollection">删除列集合</param>
internal unsafe override bool deleteFields(DbConnection connection, columnCollection columnCollection)
{
fastCSharp.log.Error.Throw(log.exceptionType.ErrorOperation);
return(false);
}
/// <summary>
/// 创建索引(不支持)
/// </summary>
/// <param name="connection">SQL连接</param>
/// <param name="tableName">表格名称</param>
/// <param name="columnCollection">索引列集合</param>
internal override bool createIndex(DbConnection connection, string tableName, columnCollection columnCollection)
{
log.Error.Add("Excel 表格 " + tableName + " 不支持索引", new System.Diagnostics.StackFrame(), false);
return(false);
}
