public void InvariantCultureNpgsqlCopySerializer()
{
// Test for https://github.com/npgsql/Npgsql/pull/92
// SetCulture is used to set a culture where a comma is used to separate decimal values (0,5) which will cause problems if Npgsql
// doesn't convert correctly to use a point. (0.5)
var cmd = new NpgsqlCommand("COPY data (field_int4, field_int8, field_float4) FROM STDIN", Conn);
var npgsqlCopySerializer = new NpgsqlCopySerializer(Conn);
var npgsqlCopyIn = new NpgsqlCopyIn(cmd, Conn, npgsqlCopySerializer.ToStream);
npgsqlCopyIn.Start();
npgsqlCopySerializer.AddInt32(300000);
npgsqlCopySerializer.AddInt64(1000000);
npgsqlCopySerializer.AddNumber(0.5);
npgsqlCopySerializer.EndRow();
npgsqlCopySerializer.Flush();
npgsqlCopyIn.End();
NpgsqlDataReader dr = new NpgsqlCommand("select field_int4, field_int8, field_float4 from data", Conn).ExecuteReader();
dr.Read();
Assert.AreEqual(300000, dr[0]);
Assert.AreEqual(1000000, dr[1]);
Assert.AreEqual(0.5, dr[2]);
}
public void Bug188BufferNpgsqlCopySerializer()
{
var cmd = new NpgsqlCommand("COPY data (field_int4, field_text) FROM STDIN", Conn);
var npgsqlCopySerializer = new NpgsqlCopySerializer(Conn);
var npgsqlCopyIn = new NpgsqlCopyIn(cmd, Conn, npgsqlCopySerializer.ToStream);
string str = "Very long string".PadRight(NpgsqlCopySerializer.DEFAULT_BUFFER_SIZE, 'z');
npgsqlCopyIn.Start();
npgsqlCopySerializer.AddInt32(12345678);
npgsqlCopySerializer.AddString(str);
npgsqlCopySerializer.EndRow();
npgsqlCopySerializer.Flush();
npgsqlCopyIn.End();
NpgsqlDataReader dr = new NpgsqlCommand("select field_int4, field_text from data", Conn).ExecuteReader();
dr.Read();
Assert.AreEqual(12345678, dr[0]);
Assert.AreEqual(str, dr[1]);
}
public void Bug221MillisecondsFieldNotCopied()
{
// Test for https://github.com/npgsql/Npgsql/issues/221
// The milliseconds field is not properly copied in NpgsqlCopySerializer.cs in method AddDateTime
var cmd = new NpgsqlCommand("COPY data (field_timestamp) FROM STDIN", Conn);
var npgsqlCopySerializer = new NpgsqlCopySerializer(Conn);
var npgsqlCopyIn = new NpgsqlCopyIn(cmd, Conn, npgsqlCopySerializer.ToStream);
var testDate = DateTime.Parse("2002-02-02 09:00:23.005");
npgsqlCopyIn.Start();
npgsqlCopySerializer.AddDateTime(testDate);
npgsqlCopySerializer.EndRow();
npgsqlCopySerializer.Flush();
npgsqlCopyIn.End();
NpgsqlDataReader dr = new NpgsqlCommand("select field_timestamp from data", Conn).ExecuteReader();
dr.Read();
Assert.AreEqual(testDate, dr[0]);
}
protected void InsertDataToDbBulkMethod(DataTable table)
{
List<string> columns_names = new List<string>();
for (int i = 0; i < table.Columns.Count; i++)
columns_names.Add(table.Columns[i].ColumnName);
string sql = string.Format("COPY {0}({1}) FROM STDIN", table.TableName, string.Join(",", columns_names.ToArray()));
_cmd = CreateCommand(sql);
_cmd.CommandType = CommandType.Text;
var serializer = new NpgsqlCopySerializer(_conn as NpgsqlConnection);
NpgsqlCopyIn copyIn = new NpgsqlCopyIn((_cmd as NpgsqlCommand), (_conn as NpgsqlConnection), serializer.ToStream);
try
{
copyIn.Start();
foreach (DataRow dr in table.Rows)
{
for (int i = 0; i < table.Columns.Count; i++)
AddValueToSerializer(serializer, dr[i]);
serializer.EndRow();
serializer.Flush();
}
copyIn.End();
serializer.Close();
}
catch (Exception e)
{
try
{
copyIn.Cancel("Exception has occured!");
}
catch (NpgsqlException ex)
{
if (ex.BaseMessage.Contains("Exception has occured!"))
throw new Exception(string.Format("Copy was uncanceled. exception1: {0};exception2: {1}", e.Message, ex.Message));
}
}
}
