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我一直在尝试使用Npgsql版本3.1.2来实现对postgre数据库的批量插入操作,但我面临一个问题('留在消息中的数据不足') 数据类型未匹配postgre表中的列paymentdone(位(1))数据类型。我曾尝试使用bool,char,integer数据类型(C#),但也有同样的错误。在NpgSql插入位数据类型使用BeginBinaryImport批量数据插入
Code For bulk data insertion
public void BulkInsert(string connectionString, DataTable dataTable)
{
using (var npgsqlConn = new NpgsqlConnection(connectionString))
{
npgsqlConn.Open();
var commandFormat = string.Format(CultureInfo.InvariantCulture, "COPY {0} {1} FROM STDIN BINARY", "logging.testtable", "(firstName,LastName,LogDateTime,RowStatus,active,id,paymentdone)");
using (var writer = npgsqlConn.BeginBinaryImport(commandFormat))
{
foreach (DataRow item in dataTable.Rows)
{
writer.WriteRow(item.ItemArray);
}
}
npgsqlConn.Close();
}
}
DataTable Function
private static void BulkInsert()
{
DataTable table = new DataTable();
table.Columns.Add("firstName", typeof(String));
table.Columns.Add("LastName", typeof(String));
table.Columns.Add("LogDateTime", typeof(DateTime));
table.Columns.Add("RowStatus", typeof(int));
table.Columns.Add("active", typeof(bool));
table.Columns.Add("id", typeof(long));
table.Columns.Add("paymentdone", typeof(bool));
var dataRow = table.NewRow();
dataRow[0] = "Test";
dataRow[1] = "Temp";
dataRow[2] = DateTime.Now;
dataRow[3] = 1;
dataRow[4] = true;
dataRow[5] = 10;
dataRow[6] = true;
table.Rows.Add(dataRow);
BulkInsert(ConfigurationManager.ConnectionStrings["StoreEntities"].ConnectionString, table);
}
感谢它的工作 –