本文整理汇总了C#中System.Data.Odbc.OdbcConnection.OpenAsync方法的典型用法代码示例。如果您正苦于以下问题:C# OdbcConnection.OpenAsync方法的具体用法?C# OdbcConnection.OpenAsync怎么用?C# OdbcConnection.OpenAsync使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.Odbc.OdbcConnection
的用法示例。
在下文中一共展示了OdbcConnection.OpenAsync方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ExecHqlCmd
static async Task ExecHqlCmd(string traceId, string hqlCmd, string[] settings = null, bool skipResults = true)
{
Trace.TraceInformation(traceId + " : strated");
var connectionString = OdbcUnitTests.GetConnectionString(OdbcUnitTests.HiveDsnConnectionString, settings);
Trace.TraceInformation("{0} Using connection string => {1} ", traceId, connectionString);
using (OdbcConnection conn = new OdbcConnection(connectionString))
{
var startTime = DateTimeOffset.UtcNow;
await conn.OpenAsync();
using (OdbcCommand cmd = conn.CreateCommand())
{
cmd.CommandText = hqlCmd;
using (DbDataReader dr = await cmd.ExecuteReaderAsync())
{
var completionTime = DateTimeOffset.UtcNow;
var execTime = completionTime.Subtract(startTime);
Trace.TraceInformation(traceId + " : execution time (sec) -> " + execTime.TotalSeconds);
if (!skipResults)
{
while (dr.Read())
{
var columns = new List<string>();
for (int i = 0; i < dr.VisibleFieldCount; i++)
{
columns.Add(dr.GetValue(i).ToString());
}
Trace.TraceInformation(traceId + " : " + string.Join(", ", columns));
}
}
}
}
}
Trace.TraceInformation(traceId + " : completed");
}