/// <summary>
/// 将一个 <see cref="IList"/> 批量插入到数据库中。
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="database">提供给当前插件的 <see cref="IDatabase"/> 对象。</param>
/// <param name="list">要写入的数据列表。</param>
/// <param name="tableName">要写入的数据表的名称。</param>
/// <param name="batchSize">每批次写入的数据量。</param>
/// <param name="completePercentage">已完成百分比的通知方法。</param>
public async Task InsertAsync <T>(IDatabase database, IEnumerable <T> list, string tableName, int batchSize = 1000, Action <int> completePercentage = null, CancellationToken cancellationToken = default)
{
try
{
await database.Connection.TryOpenAsync(cancellationToken : cancellationToken);
//给表名加上前后导符
using var bulk = new SqlBulkCopy((SqlConnection)database.Connection, SqlBulkCopyOptions.KeepIdentity, (SqlTransaction)database.Transaction)
{
DestinationTableName = tableName,
BatchSize = batchSize
};
using var reader = new EnumerableBatchReader <T>(bulk, list);
await bulk.WriteToServerAsync(reader, cancellationToken);
}
catch (Exception exp)
{
throw new BatcherException(list.ToList(), exp);
}
}
/// <summary>
/// 将一个 <see cref="IList"/> 批量插入到数据库中。
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="database">提供给当前插件的 <see cref="IDatabase"/> 对象。</param>
/// <param name="list">要写入的数据列表。</param>
/// <param name="tableName">要写入的数据表的名称。</param>
/// <param name="batchSize">每批次写入的数据量。</param>
/// <param name="completePercentage">已完成百分比的通知方法。</param>
public void Insert <T>(IDatabase database, IEnumerable <T> list, string tableName, int batchSize = 1000, Action <int> completePercentage = null)
{
try
{
database.Connection.TryOpen();
//给表名加上前后导符
using (var bulk = new SqlBulkCopy((SqlConnection)database.Connection, SqlBulkCopyOptions.KeepIdentity, (SqlTransaction)database.Transaction)
{
DestinationTableName = tableName,
BatchSize = batchSize
})
using (var reader = new EnumerableBatchReader <T>(bulk, list))
{
bulk.WriteToServer(reader);
}
}
catch (Exception exp)
{
throw new BatcherException(list.ToList(), exp);
}
}
