sqlbulkcopy using sql CE

c# sqlbulkcopy sql-server-ce

Question

Is it possible to use SqlBulkcopy with Sql Compact Edition e.g. (*.sdf) files?

I know it works with SQL Server 200 Up, but wanted to check CE compatibility.

If it doesnt does anyone else know the fastest way of getting a CSV type file into SQL Server CE without using DataSets (puke here)?

Expert Answer

No, I don't think that SqlBulkCopy is supported (see MSDN). Perhaps throw the data in as xml and strip it apart at the server? SQL/XML is pretty good in 2005/2008.

You might also want to look at table-value-parameters, but I doubt that CE supports these.


Popular Answer

BULKCOPY is not supported in SQL CE. Here is the fastest way if you have a huge number of rows in your table; insert is too slow!

using (SqlCeConnection cn = new SqlCeConnection(yourConnectionString))
{
    if (cn.State == ConnectionState.Closed)
        cn.Open();

    using (SqlCeCommand cmd = new SqlCeCommand())
    {
        cmd.Connection = cn;
        cmd.CommandText = "YourTableName";
        cmd.CommandType = CommandType.TableDirect;

        using (SqlCeResultSet rs = cmd.ExecuteResultSet(ResultSetOptions.Updatable | ResultSetOptions.Scrollable))
        {
            SqlCeUpdatableRecord record = rs.CreateRecord();

            using (var sr = new System.IO.StreamReader(yourTextFilePath))
            {
                string line;
                while ((line = sr.ReadLine()) != null)
                {
                    int index = 0;
                    string[] values = line.Split('\t');

                    //write these lines as many times as the number of columns in the table...
                    record.SetValue(index, values[index++] == "NULL" ? null : values[index - 1]);
                    record.SetValue(index, values[index++] == "NULL" ? null : values[index - 1]);
                    record.SetValue(index, values[index++] == "NULL" ? null : values[index - 1]);

                    rs.Insert(record);
                }
            }
        }
    }
}

Benchmark: table with 34370 rows

  • with inserts: 38 rows written per second

  • this way: 260 rows written per second



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